Answer:
12
Step-by-step explanation:
60-36=24
24/2=12
Looking at the given diagram, angle AEC and angle DEB share the same vertex, E. They are described as vertically opposit angles. In geometry, vertically opposite angles are equal. This means that
Angle DEB = angl AEC = 50 degrees
To find volume, we will use the following equation: V=4/3piR^3
The correct answer should be 1436.76
Answer:

Step-by-step explanation:
Given



Required
Determine the coordinates of C
To do this, we make use of:

Where:
---- 
---- 

So:


Multiplication and division with the powers of ten
So, when multiply powers of ten, all you have to do add up the powers.
The reverse goes when you are dividing. You would subtract the powers.
9 x 10^7 => 3 x 10^3
The words " how many times as large as " indicates that we are going to divide the two, making it look like this:

Divide the 9 by 3 you get 3
Then subtract 10^3 from 10^7
Therefore, the answer is 3 x 10^4, or A