How much greater is the area of a circle with a radius of 6.1 inches than the area of a square with a side length of 4 inches?
1 answer:
Answer:
The area of the circle is 100.8394 square inches greater than the area of the square.
Step-by-step explanation:
Given:
The radius of the circle 6.1 inches
side of the square= 4 inches
Finding the area of the circle
Area of the circle=
=
= 116.8394 square inches
Area of the square= side*side
The area of the circle is 100.8394 square inches greater than the area of the square.
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Answer:
78%
Step-by-step explanation:
Ok to solve this we can write this as
80 =
We put the equation like this because were finding out how much he needs to get on his 5th test x in order to get a 80%
Your grade is the average of all of your scores hence the divided by 5
We next multiply both sides of the equation by 5 to get
400 = 72+82+85+83+x
400= 322+ x
78 = x
He must get a 78% minimum on his next test to get 80%
Hope that helps!