If you multiply the top equation by -2 you get:

-4x -14y = 14 => -4x = 14+14y

now you can plug in the -4x into the second equation:

14+14y - 3y = -19 => 11y = -33 => y=-3

Fill in y=-3 in either equation to find x:

2x - 21 = -7 => 2x = 14 => x=7

So your ordered pair is (7,-3)

7 0

3 years ago

Put in order from greatest to least: -5, -10, -1/2, -2.5, -0.25

Sindrei [870]

Answer:

-0.25, -1/5, -2.5, -5, -10

Step-by-step explanation:

6 0

2 years ago

Find the volume of a pyramid with a square base with a perimeter of the base is 5.7 cm in the height of the pyramid is 8.6

dexar [7]

Answer:

try 28.4 inches to the 3rd power

Step-by-step explanation:

4 0

2 years ago