Answer:
C
Step-by-step explanation:
x is the original grade, divided by 2 or half, then 20 points are added to that score.
Answer:
C = 60pi cm or approximately 188.4 cm
Step-by-step explanation:
The circumference of a circle is given by
C = 2 * pi *r
C = 2* pi * 30
C = 60 pi
We can approximate pi by 3.14
C is approximately 60*3.14 or 188.4
Answer:
See below in bold.
Step-by-step explanation:
a) h = -3t^2 + 15t = 0
-3t(t - 5) = 0
t = 0, 5 are the zeroes of the relation.
b) The ball hits the ground when h = 0 so it is after 5 seconds.
c) The path of the ball is a parabola which opens downwards so the maximum height is when x = 5/2 = at 2.5 seconds.
d) this maximum height is -3(2.5)^2 + 15(2.5) = 18.75 meters.
Answer:
The common difference of the given AP is d=5.
Step-by-step explanation:
Given the sequence
An Arithmetic sequence has a constant difference 'd' and is defined by
Computing the common difference of all the adjacent terms
As the difference between all the adjacent terms is the same and equal to
Therefore, the common difference of the given AP is d=5.
(a+10)+44=2a
a+54=2a
-a. -a
54=a
