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mixas84 [53]
3 years ago
15

If 9:3 is equal to 3:1 and then what is 12:4 equal to ?

Mathematics
1 answer:
avanturin [10]3 years ago
4 0

Answer:

36:12 or 3:1

Step-by-step explanation:

12:4= 36: 12

or 12:4 simplify= 3:1

hope it helps

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10. The perimeter of a regular nonagon is 162 inches. The apothem is 97.8 inches. Find the area.
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Answer:

The area of the regular nonagon is 7921.8 square inches.

Step-by-step explanation:

Geometrically speaking, the area of a regular polygon is determined by following area formula:

A = \frac{p\cdot a}{2} (1)

Where:

A - Area of the regular polygon, in square inches.

p - Perimeter, in inches.

a - Apothem, in inches.

If we know that p = 162\,in and a = 97.8\,in, then the area of the regular nonagon is:

A = 7921.8\,in^{2}

The area of the regular nonagon is 7921.8 square inches.

8 0
3 years ago
What do both Christians and Muslims believe the Almighty gave people? Why?​
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Talja [164]

Answer:

The additive inverse of the polynomial  being subtracted is -0.612-8+181

Step-by-step explanation:

Given expression : (1.32 +0.412 – 241) – (0.612 + 8 - 181)

Now the polynomial being subtracted : (0.612 + 8 - 181)

Additive inverse : The number in the set of real numbers that when added to a given number will give zero.

So, Additive inverse of 0.612 = -0.612

Additive inverse of 8 = -8

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So, The additive inverse of polynomial being subtracted : -0.612-8+181

So, Option B is true

Hence the additive inverse of the polynomial  being subtracted is -0.612-8+181

5 0
3 years ago
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kolbaska11 [484]

Answer:

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Find the mean of the number set.<br> 93, 81, 94,78, 89, 92, 94,99
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Answer: 90

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So to find the mean of the data set

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Adding the numbers, we get 720.

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So the mean of the data set shown here is 90.

8 0
4 years ago
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