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3 years ago

Please help me idk this

Mathematics

1 answer:

mezya [45]3 years ago

6 0

Answer: 0.4675

Step-by-step explanation: caculator

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Find the measurement of angle a. ∠a =

Softa [21]

To find the measure of angle a, subtract 151 from 180. (Reason: line w equals 180º, and the second angle is the same size as the 151º angle.)

180 - 151 = 29

<h2>Answer:</h2>

Angle a = 29º

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3 years ago

A basketball player made 80 out of 100 attempted free throws. What percent of free throws was made?

Mrac [35]

Percent of free throws = (number of free throws made / total attempts) x 100

Percent = (80/100) x 100 = 80%

The answer is 80%

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3 years ago

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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.

Area of the octagon

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

where:

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

Given:

n = 8
l = 13
a = 15.69

Substitute the given values into the formula and solve for A:

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

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

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

Area of the square

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

Area of the shaded region

= 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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What does it mean by mean number

Alona [7]

Mean number simply means average.

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3 years ago

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What is the result when you multiply a nonzero number by the reciprocal of its negation?

alukav5142 [94]

Answer:

it will always be equals to -1

Step-by-step explanation:

2 x - 1/2 = -1

17 x - 1/17 = -1

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3 years ago