I hope this helps you
3^x=3^2
x=2
Answer:
A
Step-by-step explanation:
50 percent is 50/100 and you are trying to find x which is half of 70. A would make the most sense. X should =35
Answer: 50.24 square centimeters.
Step-by-step explanation:
Given: The radius of the circular lens of a magnifying glass = 4 centimeters
The area of a circle is given by :-
, where r is the radius of the circle.
Then the area of the circular lens of a magnifying glass is given by :-

Hence, the area of the circular lens of a magnifying glass = 50.24 square centimeters.
The area of a circle is pi * r^2
The radius of the circle is 6
So the area of the full circle is pi*36
1/4 of the circle is cut off so we have to take a fourth off the area.
36pi * 3 / 4 = 27pi
Or 84.823 cm^2