T=10 in 1990. Hope this helps:)
250 and 120 both adds up to 370 but 350 of the male play sports. So u answer can't be sloved
It is called evaluating expression. In order to find the value of an algebraic expression you need to substitute a number for each variable and perform the arithmetic operations and the letters can stand for the numbers and it is called evaluating the expression.
Answer:
20
Step-by-step explanation:
Circumference formula:
Since the diameter is 20, the radius will be half of the diameter
r=d/2, where d=20
r=20/2=10
C=
C=2(10)
C=20