Answer:
-11
Step-by-step explanation:
3x+10=2x-1
3x-2x+10=-1
x+10=-1
x=-1-10
x=-11
Expressions do not have an equal sign (although they can have operators such as plus or minus).
is an expression.
is an equation since it has an equal sign.
Answer:
500π in^3
Step-by-step explanation:
The radius is half the diameter, so the radius is 5 in. Since the height is four times that, the height is 20 in.
The equation for the volume of a cylinder is:
We can plug in the radius and height:
Answer:-5d-6u-3
Step-by-step explanation:
-5d+(-6)u-3
-5d-6u-3
Answer:
x = 21
Step-by-step explanation:
11x – 32 = 31 + 8x
11x = 63 + 8x
3x = 63
x = 21