The answer is D, it's (4x^2)^3
Answer:
468
Step-by-step explanation:
make a proportion:
13/20 = x/720
20x?=720
20x36=720
whatever you do to the bottom you do to the top
13x36=468
468/720 residents claim to recycle
Answer:
C multiply the first equation by 3
Step-by-step explanation:
3x-y =5
2x+3y = 10
We want to eliminate y
Since the first equation has a negative 1y and the second equation has 3y
I would multiply the first equation by 3 and then the y's cancel
3(3x-y =5)
9x -3y = 15
2x+3y = 10
------------------
11x = 25
Answer:
D
Step-by-step explanation:
30x-100=120x
30x-120x=100
<u>-90x</u><u>=</u><u>1</u><u>0</u><u>0</u>