Mathematics
18 Online
OpenStudy (anonymous):
HELP FINDING THE MIDPOINT
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OpenStudy (anonymous):
OpenStudy (anonymous):
HELPP
OpenStudy (anonymous):
\[\huge \left( \frac{ x _{1}+x _{2} }{ 2 },\frac{ y _{1}+y _{2} }{ 2 }\right)\]
OpenStudy (anonymous):
Take the two points
OpenStudy (anonymous):
(-3,3.5) (4,-4)???
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OpenStudy (anonymous):
No
OpenStudy (anonymous):
Try reading the graph again, it's important.
OpenStudy (anonymous):
(0,-2)(3,2)
OpenStudy (anonymous):
huh?
OpenStudy (anonymous):
wrong graph !!
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OpenStudy (anonymous):
xD
OpenStudy (anonymous):
(-3,-3)(3,4)
OpenStudy (anonymous):
Yeah xD
OpenStudy (anonymous):
wait no
OpenStudy (anonymous):
(-3,-3)(3,-4)
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OpenStudy (anonymous):
@iambatman
OpenStudy (anonymous):
help with the work
OpenStudy (anonymous):
Yeah that's right xD
OpenStudy (anonymous):
Just plug it in, you're basically just finding the average.
OpenStudy (anonymous):
i can't get it!!
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OpenStudy (anonymous):
YES YOU CAN!
OpenStudy (anonymous):
nooo!!!
OpenStudy (anonymous):
\[\huge \left( \frac{ x _{1}+x _{2} }{ 2 },\frac{ y _{1}+y _{2} }{ 2 }\right)\]
OpenStudy (anonymous):
i did that
OpenStudy (anonymous):
What did you get?
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OpenStudy (anonymous):
You can compare your answer to the graph =P
OpenStudy (anonymous):
So what did you get as the midpoint?
OpenStudy (anonymous):
im not doing this right
OpenStudy (anonymous):
i think I'm supposed to get square root answers
OpenStudy (anonymous):
@iambatman
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OpenStudy (anonymous):
Huh? No just plug it in the formula and it's basic arithmetic.
\[\frac{ -3+3 }{ 2 }, \frac{ -3-4 }{ 2 } =?\]
OpenStudy (anonymous):
0,-7/2
OpenStudy (anonymous):
Yes, you can even see in your graph that is the middle point :)
OpenStudy (anonymous):
See for yourself!
OpenStudy (anonymous):
got it!! i need help with 1 more
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OpenStudy (anonymous):
number 64
OpenStudy (anonymous):
Area of square = a^2
Area of triangle = hb/2
OpenStudy (anonymous):
8.7/2??
OpenStudy (anonymous):
a= 4.35km??
OpenStudy (anonymous):
Oh wait that's not a square XD the dimensions are different, guess we'll consider it as a rectangle, Area = w*l
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OpenStudy (anonymous):
is that right??
OpenStudy (anonymous):
No the 3.7 km is the height, and 8.7 km is the base.
\[Area = \frac{ hb }{ 2} \implies \frac{ (3.7)(8.7) }{ 2 } km^2\]
OpenStudy (anonymous):
16???
OpenStudy (anonymous):
Yes lol