Answer:
the number is 10
Step-by-step explanation:
3x + 10 = 6x-20
20+10=6x-3x
30=3x
x=10
V= 1/3 pi r^2h
Find the radius
r=d/2
r=8/2
r= 4
V= 1/3 pi (4)^2•6
V=32pi or 100.53
Answer:
Step-by-step explanation:
As a fraction: 250/100
Dividing both the numerator and the denominator with common factor 50
5/2
And changing it to a mixed fraction it becomes 2 whole number 1/2
As a decimal it is 2.50
Answer:
7
Step-by-step explanation: