M% of n write a expression
1 answer:
The <u>percentage</u> of a given <em>number</em> in another implies the fraction of the given <em>numbe</em>r to that other number <em>with respect </em>to 100%. Thus the required <u>expression</u> is: x n
When a given number is written in<em> percentage</em>, it implies that the<em> fraction</em> of the number to the<u> total </u>number in relation to 100%. For example, to determine the <em>percentage</em> of a number r in s, -we have:
x 100%
Therefore in the given question, the required <em>expression</em> is;
m% =
So that;
m% of n can be <em>expressed</em> as;
x n
For further clarifications on percentage, visit: brainly.com/question/843074
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Circular pen means you are going to use Area = Pi(r^2).
So 78.5 = pi(r^2). Divide by pi on both sides to get r^2 = 78.5/pi. Take the square root of that to get r or radius = approximately 4.99. If you need an exact answer then use
for the next part because you are not done yet.
Plug whatever R you use into the circumference formula of Circumference = 2(pi)(r).
If you use 4.99, you do 2(pi)(4.99) which is approximately 31.35. If you use the exact answer, you do 2(pi)(
) which gives you approximately 31.41.
Either way you'll need about 31 meters of chicken wire but the 31.40796 or ~31.41 is closer to the exact answer.
So 78.5 = pi(r^2). Divide by pi on both sides to get r^2 = 78.5/pi. Take the square root of that to get r or radius = approximately 4.99. If you need an exact answer then use
Plug whatever R you use into the circumference formula of Circumference = 2(pi)(r).
If you use 4.99, you do 2(pi)(4.99) which is approximately 31.35. If you use the exact answer, you do 2(pi)(
Either way you'll need about 31 meters of chicken wire but the 31.40796 or ~31.41 is closer to the exact answer.