68 - 42.5 is 25.5
25.5 / 68 is 0.375
convert that to percent
The percentage change from 68 miles to 42.5 is 37.5% decrease.
Hope this helps :)
Answer:
B
Step-by-step explanation:
when you flip across the y axis you change the signs of the x coordinate but not the y coordinate.
C= pi x d
d= C / pi
where C is the circumference and d is the diameter
d= C/ pi
d= 30 in./3.14159....
d=9.549...
so when rounded to the nearest hundredth the answer is 9.54 in.
Answer:
28.57%
Step-by-step explanation:
Given data
Initial cost =$28
Final cost =$36
Required
The percentage change in cost
Percent change =final - initial/initial*100
Substitute
Percent change =36-28/28*100
Percent change =8/28*100
Percent change =0. 2857*100
Percent change =28.57%
<u>Given</u>:
Given that the diameter of the hemisphere is 12.6 cm
The radius of the hemisphere is given by
We need to determine the volume of the hemisphere.
<u>Volume of the hemisphere:</u>
Let us determine the volume of the hemisphere.
The volume of the hemisphere can be determined using the formula,
Substituting the values, r = 6.3 and π = 3.14, we have;
Simplifying the values, we have;
Dividing, we have;
Rounding off to the nearest tenth, we get;
Thus, the volume of the hemisphere is 523.5 cm³