# 10th grade math

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solve each equation for y. do x and y vary directly? if so indentify the constant of variation.
1.4x=5y
2.2x+3y=6

• 10th grade math - ,

the area of a parallelogram is 85 square meters and its base is 17 meters long.
what is the height of the parallelogram?

• 10th grade math - ,

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area of a parallelogram = base x height
85 = 17(height)
height = ...

• 10th grade math - ,

i need help with math

• 10th grade math - ,

4x - 5y = 0 (#1)
4x + 6y = 12 (#2 x 2)

-11y = -12 I subtracted them
y = 12/11

back in #1
4x = 5(12)/11
x = 15/11

• 10th grade math - ,

it is about inequalities. i have to solve them graphically and shade the solution set.then i have to identify teo points within the solution set and two points not within the solution set. they are y is less than 2x-3
and y is greater than or equal to -3x. how do you solve for those equations ?

• 10th grade math - ,

express the following as positive exponets

• 10th grade math - ,

what is the solution set for x^2-25 is less than or equal to 0

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