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2 years ago

Need help! Urgent help

Mathematics

1 answer:

Fed [463]2 years ago

7 0

Answer:

1808.64 in²

Step-by-step explanation:

We can first convert 9 cm into 24 in using the scale. From there on outwards, we know that the area of a circle is equal to πr², so we just plug in 3.14 for π and 24 in for r. Then, we get 576(3.14) and finally 1808.64 in².

By the way, the scale is wrong. It should be 8 cm = 3 in, not 3 cm = 8 in.

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2 years ago

Find the distance between the two points.

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Answer:

The answer is

<h2> $\sqrt{17} \: \: \: units$ </h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

$d = \sqrt{ ({x1 - x2})^{2} + ({y1 - y2})^{2} } \\$

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From the question the points are

(-2 , 3) and ( 2 , 4 )

The distance between them is

$d = \sqrt{ ({ - 2 - 2})^{2} + ({ 3 - 4})^{2} } \\ = \sqrt{ ({ - 4})^{2} + ( { - 1})^{2} } \\ = \sqrt{16 + 1} \\ = \sqrt{17} \: \: \: \: \: \: \: \:$

We have the final answer as

$\sqrt{17} \: \: \: units$

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