Step-by-step explanation:
28.75-20=8.75
8.75/7= 1.25
each cup costs $1.25
Answer:
thats 8 with the power of three or a fraction of 3 and if your subtracting 8 the so called "hidden" number is 8 meaning that it would equal 0
Step-by-step explanation:
Answer:
Last option: Square both sides of the equation in step 1 to eliminate the square root.
Step-by-step explanation:
The error is in the process of subtracting 3 from both sides, since +3 is inside the root.
In order to be able to operate with the terms that are inside the root, we need to eliminate the root, and for that we need to square both sides of the equal sign.
