Answer:
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Step-by-step explanation:
You need to do the exponent first.
7^2= 49
4(49)^x
That is equivalent to 4(7)^2x
I hope this helps!
~kaikers
One little tool that you should always remember when you work
with percents is this:
The symbol ' % ' means ' /100 ' .
So ' 32% ' means ' 32/100 ' . There's your fraction.
If you want to simplify the fraction, divide the top and bottom numbers
by their greatest common factor. The greatest common factor of 32
and 100 is 8.
32/100 = 4/25 . There's your simplified fraction.
To find the decimal, you have two choices:
Choice #1:
A fraction always means division. Whenever you see a fraction,
it means "the top number divided by the bottom number".
Take one of the fractions ... 32/100 or 4/25 ... and do the division,
with your pencil or your calculator. The quotient will be the decimal.
Choice #2:
Another little tool that you should always remember
when you work with percents:
To change a decimal into a percent, move the
decimal point two places that way ==> . 0.25 = 25.%
To change a percent into a decimal, move the
decimal point two places this way <== . 32.% = 0.32
There's your decimal.
Answer:
![Surface\ area = 6728.3125(pi)\\\\Surface\ area = 21137.6171211](https://tex.z-dn.net/?f=Surface%5C%20area%20%3D%206728.3125%28pi%29%5C%5C%5C%5CSurface%5C%20area%20%3D%2021137.6171211)
Step-by-step explanation:
The lateral surface area of an object is the surface area of the subject excluding the base and the top of the 3-dimensional figure. The surface area of the object is the 2-dimensional space of an object, in essence, if one was going to wrap the object, the amount of material they would need to cover the object. To find the lateral surface area of a cylinder, one must find the circumference of the circle at the top of the cylinder, and then multiply it by the height of the cylinder. The circumference of a circle is the distance around it, the perimeter.
The formula one would use is,
![A_s = (pi)(r^2)(h)](https://tex.z-dn.net/?f=A_s%20%3D%20%28pi%29%28r%5E2%29%28h%29)
Were (pi) represent the value (3.1415...), (r) represent the radius of the base, that is the distance from the center point of the circle on the base, to the outside distance of the circle. The radius of a circle is always half of the diameter. (h) represents the height of the figure.
![A_s = (pi)(r^2)(h)\\\\= (pi)((\frac{3.5}{2})^2))(13)\\\\= (pi)(1.75)^2(13)\\\\= (517.5625)(13)(pi)\\\\=(6728.3125)(pi)\\\\= ~21137.6171211](https://tex.z-dn.net/?f=A_s%20%3D%20%28pi%29%28r%5E2%29%28h%29%5C%5C%5C%5C%3D%20%28pi%29%28%28%5Cfrac%7B3.5%7D%7B2%7D%29%5E2%29%29%2813%29%5C%5C%5C%5C%3D%20%28pi%29%281.75%29%5E2%2813%29%5C%5C%5C%5C%3D%20%28517.5625%29%2813%29%28pi%29%5C%5C%5C%5C%3D%286728.3125%29%28pi%29%5C%5C%5C%5C%3D%20~21137.6171211)
The answer is 3.925 i believe that is the answer