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Mathematics 13 Online
OpenStudy (skittles_for_life6422):

CHECK ANSWER WILL GIVE MEDAL!!! Suppose that y varies inversely with x and that y = 2 when x = 8. What is an equation for the inverse variation? (1 point)

Nnesha (nnesha):

what's the equation for inverse variation ?

OpenStudy (skittles_for_life6422):

is it \[y=\frac{ 16 }{ x }\]

Nnesha (nnesha):

:-)

OpenStudy (anonymous):

yes

OpenStudy (skittles_for_life6422):

yay B) can i ask a couple more questions

Nnesha (nnesha):

yeah

OpenStudy (skittles_for_life6422):

one sec

OpenStudy (skittles_for_life6422):

what is the side length of b in the triangle shown below?

OpenStudy (skittles_for_life6422):

|dw:1431555874958:dw|

OpenStudy (skittles_for_life6422):

yes

Nnesha (nnesha):

is it a right triangle ?

OpenStudy (skittles_for_life6422):

forgot the small square

OpenStudy (skittles_for_life6422):

|dw:1431555954243:dw|

Nnesha (nnesha):

\[\huge\rm a^2 +b^2 =c^2\] apply Pythagorean theorem where c is the longest side of right triangle (hypotenuse)

OpenStudy (skittles_for_life6422):

which side is a and c on

Nnesha (nnesha):

|dw:1431555989437:dw| hypotenuse(c) is the longest side of right triangle

Nnesha (nnesha):

|dw:1431556063176:dw|

OpenStudy (skittles_for_life6422):

ok

Nnesha (nnesha):

yep now use that formula to find 3rd side :-)

OpenStudy (skittles_for_life6422):

ok one sec

Nnesha (nnesha):

okay

OpenStudy (skittles_for_life6422):

i got 3600

Nnesha (nnesha):

okay one more step

OpenStudy (skittles_for_life6422):

ok

OpenStudy (skittles_for_life6422):

for a sec i though that was the answer

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