I hope this helps you
-20-(4x-1)=-15
-20-4x+1=-15
-20+1+15=4x
-4=4x
x=-1
Answer:
uuuuh 7
Step-by-step explanation:
Your answer is 31.2 hope that helps
Answer:
x=-3 or x=-7/3
Step-by-step explanation:
The formula of pyramid:

Where v is the volume, a is the base area and h is the height.
We can then put the given information into the formula:
176 = (1/3)(3x × x)(11)
(176 × 3) / 11 = 3x^2
3x^2 = 48
x^2 = 48/3
x = _/16
x = 4