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Mathematics 18 Online
OpenStudy (anonymous):

HELP FINDING THE MIDPOINT

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)???

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 !!

OpenStudy (anonymous):

xD

OpenStudy (anonymous):

(-3,-3)(3,4)

OpenStudy (anonymous):

Yeah xD

OpenStudy (anonymous):

wait no

OpenStudy (anonymous):

(-3,-3)(3,-4)

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!!

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?

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

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

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

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

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