1st:x
2nd x+2
3rd: x+4
(x)+(x+2) = 3(x+4)-31
distribute
2x+2 = 3x+12-31
2x+2 =3x-19
subtract 2x from each side
2 = x-19
add 19 to each side
21 =x
Answer: 21,23,25
Answer:
54 percent
Step-by-step explanation:
23 over 50 is .54
If the elevator stopped at the 18th floor and she got in and went 14 floors down and got off, she got off on the 4th floor
Answer: m = 29
Step-by-step explanation:
first, swap the sides.
4m = 116
then, simply divide both sides.
m = 29
Answer:
Step-by-step explanation:
The volume for a sphere is
. Our radius is 21 inches, so
and
. Multiplying straight across the top, using the fact that 3.14 is pi:
and divide to get that
V = 38772.72 in^3