context stringlengths 545 71.9k | questionsrc stringlengths 16 10.2k | question stringlengths 11 563 |
|---|---|---|
let 's solve another 2nd order linear homogeneous differential equation . and this one -- well , i wo n't give you the details before i actually write it down . so the differential equation is 4 times the 2nd derivative of y with respect to x , minus 8 times the 1st derivative , plus 3 times the function times y , is e... | we 're solving a differential equation . our solution has e in it . we 're taking derivatives and we 're doing all sorts of things . | is it possible that there exists a third solution for any second ordered d.e ? |
let 's solve another 2nd order linear homogeneous differential equation . and this one -- well , i wo n't give you the details before i actually write it down . so the differential equation is 4 times the 2nd derivative of y with respect to x , minus 8 times the 1st derivative , plus 3 times the function times y , is e... | i think you see what i did . 2nd derivative r squared . 1st derivative r. no derivative -- you could say that 's r to the 0 , or just 1 . | does the order you assign the r values matter ? |
let 's solve another 2nd order linear homogeneous differential equation . and this one -- well , i wo n't give you the details before i actually write it down . so the differential equation is 4 times the 2nd derivative of y with respect to x , minus 8 times the 1st derivative , plus 3 times the function times y , is e... | we 're solving a differential equation . our solution has e in it . we 're taking derivatives and we 're doing all sorts of things . | given that we assumed from the start that e^rx is the solution form , are there any other forms of solution ? |
let 's solve another 2nd order linear homogeneous differential equation . and this one -- well , i wo n't give you the details before i actually write it down . so the differential equation is 4 times the 2nd derivative of y with respect to x , minus 8 times the 1st derivative , plus 3 times the function times y , is e... | this differential equations problem was literally just a problem in using the quadratic equation . and once you figure out the r 's you have your general solution . and now we just have to use our initial conditions . | how do we know that our general solution is the only one ? |
let 's solve another 2nd order linear homogeneous differential equation . and this one -- well , i wo n't give you the details before i actually write it down . so the differential equation is 4 times the 2nd derivative of y with respect to x , minus 8 times the 1st derivative , plus 3 times the function times y , is e... | you have a system of linear equations which is algebra i . and then you solve them for the two constants , c1 and c2 , and you end up with your particular solution . and that 's all there is to it . | how do i solve for c1 and c2 when i have imaginary numbers ? |
let 's solve another 2nd order linear homogeneous differential equation . and this one -- well , i wo n't give you the details before i actually write it down . so the differential equation is 4 times the 2nd derivative of y with respect to x , minus 8 times the 1st derivative , plus 3 times the function times y , is e... | let 's solve another 2nd order linear homogeneous differential equation . and this one -- well , i wo n't give you the details before i actually write it down . | why is n't there anymore tests in second order linear equations on out in your subject matter on differential equations ? |
let 's solve another 2nd order linear homogeneous differential equation . and this one -- well , i wo n't give you the details before i actually write it down . so the differential equation is 4 times the 2nd derivative of y with respect to x , minus 8 times the 1st derivative , plus 3 times the function times y , is e... | and now , let 's subtract -- well , i do n't want to confuse you , so let 's just subtract the bottom from the top , so this cancels out . what 's 1/2 minus 3/2 ? 1/2 minus 1 and 1/2 . | what is the particular solution to ( d^2 ) y/ ( dx ) ^2=12*x^2-cos ( x ) if y'=2 , y=3 and x=0 ? |
let 's solve another 2nd order linear homogeneous differential equation . and this one -- well , i wo n't give you the details before i actually write it down . so the differential equation is 4 times the 2nd derivative of y with respect to x , minus 8 times the 1st derivative , plus 3 times the function times y , is e... | let 's solve another 2nd order linear homogeneous differential equation . and this one -- well , i wo n't give you the details before i actually write it down . | how would you solve a 2nd order linear equation that is not equal to zero ? |
let 's solve another 2nd order linear homogeneous differential equation . and this one -- well , i wo n't give you the details before i actually write it down . so the differential equation is 4 times the 2nd derivative of y with respect to x , minus 8 times the 1st derivative , plus 3 times the function times y , is e... | and now , let 's subtract -- well , i do n't want to confuse you , so let 's just subtract the bottom from the top , so this cancels out . what 's 1/2 minus 3/2 ? 1/2 minus 1 and 1/2 . | a question on the coefficient determination : if i was given , for instance , y ( 0 ) =2 and y ( 2 ) =3 , could i work out ( given the general equation ) what the coefficients are , or is the gradient at a point a requirement for solving unambiguously ? |
let 's solve another 2nd order linear homogeneous differential equation . and this one -- well , i wo n't give you the details before i actually write it down . so the differential equation is 4 times the 2nd derivative of y with respect to x , minus 8 times the 1st derivative , plus 3 times the function times y , is e... | this differential equations problem was literally just a problem in using the quadratic equation . and once you figure out the r 's you have your general solution . and now we just have to use our initial conditions . | is there a more general way of how we approach these types of problems ? |
let 's solve another 2nd order linear homogeneous differential equation . and this one -- well , i wo n't give you the details before i actually write it down . so the differential equation is 4 times the 2nd derivative of y with respect to x , minus 8 times the 1st derivative , plus 3 times the function times y , is e... | so we know that y of 0 is equal to 2 , and y prime of 0 is equal to 1/2 . those are our initial conditions . so let 's use that information . | if you are only given the initial conditions y=1 and y ' ( 0 ) =10 , for example , how would you find the specific solution ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | so the difference between a histogram and a bar graph is that histograms are numerical and its bars are connected , and bar graphs are catagorical and separted because it 's different topics ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | what is the difference between a histogram and bar graph ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | so once again , this is just a way of visualizing things . we took a lot of data that can take multiple data points . instead of plotting each data point , like we might do in a dot plot , instead of saying how many one-year-olds are there ? | if the data given is discontinuous like 1 - 9 , 10 - 15 , 16 - 19 on the x axis how can i make the data continuous ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | how do you calculate the median of a histogram ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | could you use a histogram to show how many people bought that each year , rather than the age range ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | why is a histogram called a histogram ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | so on this axis , let 's see , the largest category has six . so this the number , number of folks . and it 's gon na go one , two , three , four , five , six . | how to determine appropriate number of bins and their width ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | can somebody explain what a histogram is ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | what is the difference between a bar graph and a histogram ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | alright . so let 's just make buckets . let 's make them 10 year ranges . | basically , do you have to calculate the average change between the numbers in your set to make the buckets or not ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | is it possible to create a histogram without buckets ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | how do i make a histogram when the data is in the thousands ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | is n't the values for a histogram on the x axis supposed to be the upper boundary/lower boundary of the classes ( buckets ) ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | 10 to 19 , i guess you could call them adolescents or roughly teenagers , although , obviously if you 're 10 you 're not quite a teenager yet . and then all the different age groups . and then when i counted the number in each bucket and i plotted it , now i can visually get a sense of how are the ages distributed in t... | i 'm sure you have to work out the class width and then the frequency density , as a result the bars will be different sized ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and i think you see where this is going . what about 20 to 29 ? so that 's one , two , three , four , five people . | does the lower bracket get the number when the scale is 0 , 10 , 20 , 30 , and not 0-9 , 10-19 , 20-29 ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and so when you just look at these numbers it really does n't give you a good sense of it . it 's just a bunch of numbers . and so how could you do that ? | can the negitiv numbers go as hight as positiv numbers ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | in what situations would a histogram be 'so much more useful ' than a bar graph ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | how do i sort my data with the ti-84 calculator before starting the histogram process ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | what is the difference between a histogram and bar graph ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | alright . so let 's just make buckets . let 's make them 10 year ranges . so let 's say the first one is ages zero to nine . | so do you always have to make histographs ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | what is the difference of a histogram and histograph ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | what are histogram used for ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and i think you see where this is going . what about 20 to 29 ? so that 's one , two , three , four , five people . | should n't the histogram graph be written in exclusive form with class limit like 10-20 , 20-30 , 30-40 etc and not in inclusive form with class limit like 0-9 , 10-19 , 20-29 , 30-39 etc ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . | why would you go around a restaurant asking peoples ages ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | in the creating a histogram exercise , am i supposed to use the scratch pad to draw one ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | well there 's only one one-year old . how many three-year-olds are there ? there 's only one three-year old . | how many animals you have ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . | is it any better to use histograms rather than box and whisker plots in certain situations ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | so , i like , sometimes it 's called a bin . so the bucket , i like to think of it more of as a bucket , the bucket and then the number in the bucket . the number in the bucket . | do the bucket intervals need to have the same value ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | in my test , i had a question like '' '' what is the greatest possible value for the range and the last number on the histogram was 90.so is the greatest possible value is 90 ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and actually , i wrote histogram . i wrote histograph , i should have written histogram . so a histogram . | is histograph really a thing ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | can a dot plot also have bucket , kind of like the histogram ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | why does the word histogram have the suffix gram in the stead of graph ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | we have two people . 40 to 49 , two people . so , it looks like this . | if there is , for example , 30- 40 , are n't you not able to use 40 until 40- 50 ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | can data be represented that is on a histogram be represented by other graphs ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | why is a histogram much better than making a bar graph ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | is it possible to create a histogram without buckets ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | we have one person . one person . and then we have 40 to 49 . | in a frequency distribution table is it okay that one class limit has no frequency ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . | do we always use intervals in histograms ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | and also what is the difference between dot plots and histogram ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | but as a histogram , we 're able to put them into buckets . everybody was like , hey , you know generally between the ages zero and nine we have six people . and so you see that plotted out , just like that . | how did sal know how to separate the intervals ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | what is the difference between a histogram and a histograph ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | so 10 to 19 , there are three people . so i 'll do a bar , like this . then , 20 to 29 , i have five people . | what are the differences between bar graphs and histograms ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . | when do you use histograms ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | so , can the data represented on a histogram be represented by a bar graph ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | so , i like , sometimes it 's called a bin . so the bucket , i like to think of it more of as a bucket , the bucket and then the number in the bucket . the number in the bucket . | and how can you throw ages into a bucket ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | so let 's say the first one is ages zero to nine . so how many people ... why do n't we just define all of the buckets here ? so the next one is ages 10 to 19 , then 20 to 29 , then 30 to 39 , and 40 to 49 , 50 to 59 , let me make sure you can read that properly , then you have 60 to 69 . | how do you determine how many buckets you should have ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | so on this axis , let 's see , the largest category has six . so this the number , number of folks . and it 's gon na go one , two , three , four , five , six . | how did you determine the number range for the buckets ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | so , when you make a histogram , can you also use pie charts to show what percentage of the people in the restaurant are what age ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . | what is the difference between frequency tables and histograms ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | in bar graph the group in the y axis are different in histogram 's y axis ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and so when you just look at these numbers it really does n't give you a good sense of it . it 's just a bunch of numbers . and so how could you do that ? | why did you circle those numbers ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | is a histogram a type of bar graph or is there a difference ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | what is the origin of the word histogram ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | are there other ways to draw a histogram ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | and the visualization that we 're gon na create , this is called a histogram . histogram . histogram . | is n't a histogram the same thing as a bar graph ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | so on this axis , let 's see , the largest category has six . so this the number , number of folks . and it 's gon na go one , two , three , four , five , six . | what is number of bins ? |
so let 's say you were to go to a restaurant and just out of curiosity you want to see what the makeup of the ages at the restaurant are . so you go around the restaurant and you write down everyone 's age . and so these are the ages of everyone in the restaurant at that moment . and so you 're interested in somehow p... | there 's only one three-year old . that would n't give us much information . we would just have these single dots if we were doing a dot plot . | why would we need histograms in other real-life situation ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | but another way to think about this is that 3 times 60 is the same thing as 3 times -- instead of thinking of it as 60 , you could think of 60 as 6 times 10 . 3 times 6 times 10 . now , when you 're multiplying three numbers like this , it does n't matter what order you multiply them in . | can we say that 50x7 is ( 1/2 ( =one half ) times 100 ) x 7 what is the same thing as half times 700 ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | so i have to multiply by 10 again , or i have to throw that 0 at the end of it to get that 0 right over here . so 50 times 7 is 350 . | is the easiest way to multiply 50 times 7 is 5 times 7 and add 0 ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | you just need to realize that 50 is the same thing as 10 times 5 . so we could write this as 10 times 5 , and then we 're multiplying that times 7 . once again , the order that we multiply does not matter . | do you guys do 5 times 7 add the zero behind the 35 ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . | where does the word multiplication come from ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | now , when you 're multiplying three numbers like this , it does n't matter what order you multiply them in . so we could multiply the 3 times 6 first and get 18 and then multiply that times 10 . and 18 times 10 is just going to be 180 . | what do you get when you multiply 5 x 6 x 4 ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | now , the more practice you get here , you 'll realize , hey , i could have just said 3 times 6 is 18 , but i have to worry about this 0 right over here . so i 'm going to put one more zero at the end . it 's going to be 180 . | how do you multiply 70*105 with the removing-the-zero-then-multiplying-the-number-then-put-back-the-zero ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | but another way to think about this is that 3 times 60 is the same thing as 3 times -- instead of thinking of it as 60 , you could think of 60 as 6 times 10 . 3 times 6 times 10 . now , when you 're multiplying three numbers like this , it does n't matter what order you multiply them in . | what is 40 times 2 ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . | how can you visualize the multiplicalion laid out in your head ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . | is it best i do the turtle neck trick for multiplication ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | now , when you 're multiplying three numbers like this , it does n't matter what order you multiply them in . so we could multiply the 3 times 6 first and get 18 and then multiply that times 10 . and 18 times 10 is just going to be 180 . | thanks sal :3 1 question , can you multiply or add or subtract anything ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | 3 times 6 times 10 . now , when you 're multiplying three numbers like this , it does n't matter what order you multiply them in . so we could multiply the 3 times 6 first and get 18 and then multiply that times 10 . and 18 times 10 is just going to be 180 . | wait ca n't we just do 6x3=18 than add a 0 in the first problem ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . | what is a fact family ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | it 's going to be 180 . same answer that we got right over there . let 's do another one of these . | if you can answer correctly your a genius ... .. 567 x 786 + 876 - 234 x 4 = ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . | how are mutiplecation facts usfull ? |
let 's see if we can figure out 3 times 60 . well , there 's a couple of ways you could think about it . you could literally view this as 60 three times . so you could view this as 60 plus 60 plus 60 . and you might be able to compute this in your head . 60 plus 60 is 120 , plus another 60 is 180 . and you 'd be done .... | but another way to think about this is that 3 times 60 is the same thing as 3 times -- instead of thinking of it as 60 , you could think of 60 as 6 times 10 . 3 times 6 times 10 . now , when you 're multiplying three numbers like this , it does n't matter what order you multiply them in . | would you always use add the 10 no matter what problem ? |
- diabetes mellitus is a group of disorders that 's caused by improper function of insulin , which is a hormone produced by the pancreas . and insulin is responsible for helping regulate blood sugar , or glucose levels , in the blood . now since it 's a group of diseases , there are actually multiple different underlyi... | and then second , these cells have to respond to the insulin in order to unlock them so that the glucose can be taken out of the blood to decrease the blood glucose levels . now , diabetes mellitus can be caused by dysfunction at either of these two steps . so if the beta cells are n't functioning properly or they 're ... | is this a form of diabetes mellitus where some beta cells are dysfunctional and some do produce insulin but all the cells that have the glut4 protein ( which does n't include the liver and brain ) are resistant to the insulin that is produced and is thus a combination of type 1 and type 2 diabetes ? |
- diabetes mellitus is a group of disorders that 's caused by improper function of insulin , which is a hormone produced by the pancreas . and insulin is responsible for helping regulate blood sugar , or glucose levels , in the blood . now since it 's a group of diseases , there are actually multiple different underlyi... | and your body is currently absorbing all of those nutrients from your digestive system into your bloodstream . now one of these nutrients is glucose , and as your body absorbs it , that glucose starts building up in the blood stream . and in this feeding or absorptive state , your body wants to store this glucose in pl... | does the extra glucose effect the heart in anyway ? |
- diabetes mellitus is a group of disorders that 's caused by improper function of insulin , which is a hormone produced by the pancreas . and insulin is responsible for helping regulate blood sugar , or glucose levels , in the blood . now since it 's a group of diseases , there are actually multiple different underlyi... | well one of the most important ones is actually genetics . in fact , having a family history , say in someone 's parents or grandparents , of type 2 diabetes is one of the biggest risk factors for developing type 2 diabetes . other factors include obesity , hypertension , and increasing age . | i read pathophysiology books kathryn l. mccance page 734 it says aldosteronoma leads to diabetes mellitus type ii , can you explain its mechanism ? |
- diabetes mellitus is a group of disorders that 's caused by improper function of insulin , which is a hormone produced by the pancreas . and insulin is responsible for helping regulate blood sugar , or glucose levels , in the blood . now since it 's a group of diseases , there are actually multiple different underlyi... | well one of the most important ones is actually genetics . in fact , having a family history , say in someone 's parents or grandparents , of type 2 diabetes is one of the biggest risk factors for developing type 2 diabetes . other factors include obesity , hypertension , and increasing age . | can you be perfectly healthy but still develop type 2 diabetes ? |
- diabetes mellitus is a group of disorders that 's caused by improper function of insulin , which is a hormone produced by the pancreas . and insulin is responsible for helping regulate blood sugar , or glucose levels , in the blood . now since it 's a group of diseases , there are actually multiple different underlyi... | - diabetes mellitus is a group of disorders that 's caused by improper function of insulin , which is a hormone produced by the pancreas . and insulin is responsible for helping regulate blood sugar , or glucose levels , in the blood . | is there a way you can avoid being diabetic ? |
alright , we are asked to choose the graph of the function . and the function is f ( x ) is equal to two , times three to the x and we have three choices here . so , pause this video and see if you can determine which of these three graphs actually is the graph of f ( x ) . let 's work through this together . so , whe... | alright , we are asked to choose the graph of the function . and the function is f ( x ) is equal to two , times three to the x and we have three choices here . | how do you graph an exponential function with a table ? |
alright , we are asked to choose the graph of the function . and the function is f ( x ) is equal to two , times three to the x and we have three choices here . so , pause this video and see if you can determine which of these three graphs actually is the graph of f ( x ) . let 's work through this together . so , whe... | in the graph of y is equal to f ( x ) , when x is equal to zero , y is equal to two . or another way to think about it is this value in exponential function , sometimes called the initial value , if you were thinking of the x-axis . instead of the x-axis , you 're thinking about the time axis or the t-axis . | so is the y-value always going to be 1 when the x-value is 0 ? |
- let 's talk a little bit about groups of the periodic table . now , a very simple way to think about groups is that they just are the columns of the periodic table , and the standard convention is to number them . this is the first column , so that 's group one , second column , third group , fourth , fifth , sixth ,... | but what 's interesting ? why do we go to the trouble about calling one of these columns , about calling these columns a group ? this is what 's interesting about the periodic table is that all of the elements in a column , for the most part , and there 's tons of exceptions , but for the most part the elements in the ... | what does sal mean when he says to `` backfill '' the d columns ? |
- let 's talk a little bit about groups of the periodic table . now , a very simple way to think about groups is that they just are the columns of the periodic table , and the standard convention is to number them . this is the first column , so that 's group one , second column , third group , fourth , fifth , sixth ,... | these right over here are the alkali . alkali metals . now why do all of these have very similar reactions ? | why are the group 2 elements are called alkali `` earth '' metals , why earth ? |
- let 's talk a little bit about groups of the periodic table . now , a very simple way to think about groups is that they just are the columns of the periodic table , and the standard convention is to number them . this is the first column , so that 's group one , second column , third group , fourth , fifth , sixth ,... | how many valence electrons does it have ? well , in its second shell , its outermost shell , it has two plus two . it has four valence electrons . | i know that copper ( cu ) and chromium ( cr ) are two exceptions , because they like to fill or half fill their 3d shell , leaving their 3s shell half full , but does this trend continue downward with molybdenum ( mo ) , silver ( ag ) , tungsten ( w ) , gold ( au ) , seaborgium ( sg ) , and roentgenium ( rg ) ? |
- let 's talk a little bit about groups of the periodic table . now , a very simple way to think about groups is that they just are the columns of the periodic table , and the standard convention is to number them . this is the first column , so that 's group one , second column , third group , fourth , fifth , sixth ,... | how many electrons does it have in its outermost shell ? once again its outermost shell is its fourth shell , is its fourth shell . these are , you could argue , higher energy electrons that fills this ... | does the f shell begin to half fill before the s shell ? |
- let 's talk a little bit about groups of the periodic table . now , a very simple way to think about groups is that they just are the columns of the periodic table , and the standard convention is to number them . this is the first column , so that 's group one , second column , third group , fourth , fifth , sixth ,... | because they 're so reactive it 's hard to find them where they have n't reacted with other things . let 's keep looking at the other groups . if we move one over to the right this group two right over here , these are called the alkaline earth metals . | why does sal use 18 groups , we were taught to use 8 groups in our school , is our school wrong or is sal wrong.. ? |
- let 's talk a little bit about groups of the periodic table . now , a very simple way to think about groups is that they just are the columns of the periodic table , and the standard convention is to number them . this is the first column , so that 's group one , second column , third group , fourth , fifth , sixth ,... | well , in its second shell , its outermost shell , it has two plus two . it has four valence electrons . that 's going to be true for the things in this group . | why do 8 valence electrons of noble gases feel stable ? |
- let 's talk a little bit about groups of the periodic table . now , a very simple way to think about groups is that they just are the columns of the periodic table , and the standard convention is to number them . this is the first column , so that 's group one , second column , third group , fourth , fifth , sixth ,... | - let 's talk a little bit about groups of the periodic table . now , a very simple way to think about groups is that they just are the columns of the periodic table , and the standard convention is to number them . | how do we classify the elements in different blocks in the periodic table ? |
- let 's talk a little bit about groups of the periodic table . now , a very simple way to think about groups is that they just are the columns of the periodic table , and the standard convention is to number them . this is the first column , so that 's group one , second column , third group , fourth , fifth , sixth ,... | if we go with group one , group one ... and hydrogen is a little bit of a strange character because hydrogen is n't trying to get to eight valence electrons . hydrogen in that first shell just wants to get to two valence electrons like helium has . hydrogen is kind of ... it does n't share as much in common with everyt... | why hydrogen have two valenced electron ? |
- let 's talk a little bit about groups of the periodic table . now , a very simple way to think about groups is that they just are the columns of the periodic table , and the standard convention is to number them . this is the first column , so that 's group one , second column , third group , fourth , fifth , sixth ,... | - let 's talk a little bit about groups of the periodic table . now , a very simple way to think about groups is that they just are the columns of the periodic table , and the standard convention is to number them . | what can be a precise definition of halogen ? |
- let 's talk a little bit about groups of the periodic table . now , a very simple way to think about groups is that they just are the columns of the periodic table , and the standard convention is to number them . this is the first column , so that 's group one , second column , third group , fourth , fifth , sixth ,... | - let 's talk a little bit about groups of the periodic table . now , a very simple way to think about groups is that they just are the columns of the periodic table , and the standard convention is to number them . | what are the colors in the periodic table meant for ? |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.