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mestny [16]
3 years ago
12

3(r+5) simplify your answer ​

Mathematics
1 answer:
Lena [83]3 years ago
6 0

Answer:

 3 • (r + 5)

Step-by-step explanation:

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Factor 64f - 64g + 96 to identify the equivalent expressions.
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Answer:


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The diagram below shows a square inside a regular octagon. The apothem of the octagon is 15.69 units. To the nearest square unit
Musya8 [376]

Answer:

C.  647 square units

Step-by-step explanation:

To find the shaded area, subtract the area of the unshaded square from the area of the octagon.

<u>Area of the octagon</u>

\textsf{Area of a regular polygon}=\dfrac{n\:l\:a}{2}

where:

  • n = number of sides
  • l = length of one side
  • a = apothem

Given:

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  • l = 13
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Substitute the given values into the formula and solve for A:

\implies \textsf{Area}=\sf \dfrac{8 \cdot 13 \cdot 15.69}{2}

\implies \textsf{Area}=\sf \dfrac{1631.76}{2}

\implies \textsf{Area}=\sf 815.88\:\:square \:units

<u>Area of the square</u>

\implies \textsf{Area}=\sf 13^2=169 \:\:square \:units

<u>Area of the shaded region</u>

= area of the octagon - area of the square

= 815.88 - 169

= 646.88

= 647 square units (nearest square unit)

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2 years ago
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3 years ago
Find the Length of arc . Round to the nearest hundredth.
pshichka [43]
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Step-by-step explanation:

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3 years ago
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