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dybincka [34]
2 years ago
12

How to reciprocate a whole number ​

Mathematics
1 answer:
Brums [2.3K]2 years ago
5 0

Answer: To find the reciprocal of a whole number, just convert it into a fraction in which the original number is the denominator and the numerator is 1. The reciprocal of 2/3 is 3/2. The product of 2/3 and its reciprocal 3/2 is 1. The reciprocal of a whole number 7 is 1/7 because 7 x 1/7 = 1.

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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2 years ago
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The local newspaper has letters to the editor from 70 people. If this number represents 5% of all of the​ newspaper's readers, h
Alex Ar [27]

Answer:

This shows us that there are 1400 readers.

Step-by-step explanation:

To work this out you would first need to find how many times 5% goes into 100%, You can do this by dividing 100 by 5, this gives you 20. This is because the whole amount  is equivalent to 100%.

To work out the total number of readers you would multiply 70 by 20, this gives you 1400. This is because we know that 70 is equivalent to 5% and that 5% goes into 100% 20. So by multiplying 70 by 20 we are working out the total (100%), and that this shows us there are 1400 readers.

1) Divide 100 by 5.

100/5=20

2) Multiply 70 by 20.

70*20=1400

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3 years ago
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If a polygon has an interior angle of 144, what kind of polygon is it? (find the # of sides first
ikadub [295]
<span>Each Interior Angle = <span>(<span>(Number of Sides -2) • 180 degrees<span>)<span> ÷ (Number of Sides)

Solving for number of sides
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<span>Each Interior Angle / 180 = <span>(N -2) <span>/ (N)

144 / 180 = (n-2) / n

144 * n = 180n -360
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n = 10 the number of sides

Source:
http://www.1728.org/polygon.htm

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Answer:

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