251.2 =
(3.14)(r^2)(15)
251.2 =
(47.1) (r^2)
251.2 = (15.7)(r^2)
251.2 ÷ 15.7 = 16 15.7 ÷ 15.7 = 1
16 ≈ r^2
4 ≈ r
Answer: the radius is 4 inches
Well think of it this way
which is bigger 21 or 40?
40 correct
this rule applies to decimals as well, as long as they are not a negative integer
this number is not negative, and therefore, the number that looks bigger actually is bigger
and we know that 4 is bigger than 2, and since there both are written in the hundredth place of the decimal, we can safely conclude that 0.04 is bigger than 0.021
Answer:
approximately 2.86 inches
Step-by-step explanation:
i got this out of my math book in the back of the book w the definitions
R=18
y o u r a n s w e r i s C .18
Answer:
y = 1x + 6
Step-by-step explanation:
y = 1x + b
-1 = 1(-7) + b
-1 = -7 + b
6 = b
