Answer:
area= 78.5 cm²
circumference= 31.4 cm
Step-by-step explanation:
Given that the radius is 5cm, r= 5. Substitute r= 5 and π as 3.14 into the equation:
Area of circle
= 3.14(5²)
= 78.5 cm²
Circumference of circle
= 2(3.14)(5)
= 31.4 cm
For another question on area of circle, you might want to check out this question here: brainly.com/question/14068861
Answer:
A
Step-by-step explanation:
In this problem, first u would have to keep the base of 3, then multiply the two powers together to get -28.
However, u can't leave a negative power in the numerator, so u bring the base and the power down into the denominator, change the sign of the power to make it positive, and put a 1 in the numerator.
It is A: Exponential Growth!
Answer with Step-by-step explanation:
We are given that
Height of ball after t seconds is given by
a.Substitute the value of t=1
b.Differentiate w.r.t x
Again differentiate w.r.t t
Hence, the height is maximum at t=2.5 s
Maximum height of the baseball=27 ft