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student
ok hold on
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student
ok im ready
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volunteer
ok, so what is 7 - 2 ?
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student
5
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volunteer
yes! so that's you're answer
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student
oh ok
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volunteer
want to do one more then I gotta go
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volunteer
?
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volunteer
are you still there?
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volunteer
I'm going to drop off now
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volunteer
keep up the good work!
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volunteer
Hello
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student
hello could u help with this
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volunteer
Sure
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volunteer
Do you know what supplementary angles are?
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student
3 and 4?
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volunteer
yes
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volunteer
3 and 4 are supplementary
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volunteer
3 and 2 are also supplementary
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volunteer
which means that angle 3 and 4 add up 180 degrees, and same with 3 and 2
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student
is that all
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volunteer
2 and 1 are also supplementary
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volunteer
and 4 and 1 are supplementary
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student
so their all equal?
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volunteer
3 and 1 are equal
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volunteer
and 2 and 4 are equal
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student
what do I do after that
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volunteer
if angle 3 is 36 degrees and angle 3 and 2 add up 180
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volunteer
then what is angle 2 equal to
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student
2 equals 144
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volunteer
yes
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student
do I do that for the others
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volunteer
yes
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volunteer
just keep repeating
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student
thank you
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student
this is the work
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student
yes
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volunteer
Hello!
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student
you help my friend
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student
he said you are a good teach
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student
can u help
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volunteer
I'll try my best
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volunteer
can you please zoom in the pictures, they are a bit blurry for me to see the questions
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student
I worked but it is wrong
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student
ok
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volunteer
a bit more please
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student
is this good
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volunteer
yes
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student
k
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volunteer
please give me a moment to analyze the question
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student
k
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volunteer
is that what it says
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student
ft/square root of 2
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volunteer
ft/s^2 right?
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student
yeah
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volunteer
okay got it
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volunteer
that is the function for the height of the firework
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student
ok
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volunteer
now the axis of symmetry equation is y= -b/2a
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volunteer
and we can interpret it into the terms of t
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student
ok
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volunteer
like f(x) = ax^2+ bx + c
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volunteer
to find -b/2a
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volunteer
those are our a,b and c values
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student
oh ok
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volunteer
so that means at 4 seconds, the fireworks reaches the highest point
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student
so the first answer is 4?
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volunteer
so to find the value of the highest point the fireworks reach, we need to use the original equation and plug the value of t=4 in
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student
oh
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volunteer
axis of symmetry is 4
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volunteer
the vertex is what we are finding now
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student
k
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volunteer
do you want to try solving that equation?
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volunteer
it will be at the bottom of the board
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student
no pls
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student
my brain is cooked from all this work!
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volunteer
no problem
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volunteer
this is a lot of work, I don't blame you
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volunteer
so that will be our vertex
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volunteer
(4, 257)
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volunteer
does that make a little better to understand?
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student
yes
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volunteer
that is great
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volunteer
do you have any other quesitons?
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student
no
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volunteer
great
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student
but do u know what I put on the last part
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volunteer
which one?
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student
the max is 4
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student
no
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volunteer
the height is 257
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student
the maximum is 257
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student
and that is after 4 sec
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student
right?
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volunteer
we reach the highest peak at 4 seconds, which is the height 257
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volunteer
yes
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student
on the first part
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student
it says 2 sec is the same height as blank sec
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student
as it is after*
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volunteer
it will 6 seconds
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