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3 years ago

8

Identify the number that does not belong with the other three. Explain your reasoning. 26.6 repeating 6, square root 48, negativ

e 51 over 2, negative 55.1

1 answer:

frosja888 [35]3 years ago

4 0

The square root of 48 is the only irrational number in that group

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Which expression is NOT equivalent to the expression 8m + 12?

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2 years ago

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2 years ago

What property describes the number sentence 6+0=6

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3 years ago

39. Find the length of each arc shown in red. Leave your answer in simplified radical form.

andre [41]

Answer:

The length of the arc shown in red is $\frac{22}{9}\pi\ in$

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference is equal to

$C=2\pi r$

we have

$r=4\ in$

substitute

$C=2\pi (4)$

$C=8\pi\ in$

step 2

Find the length of the arc in red

Remember that the length of the circumference subtends a central angle of 360 degrees

so

by proportion find the length of the arc by a central angle of 110 degrees

$\frac{8\pi}{360}=\frac{x}{110}\\ \\x=8\pi*110/360\\ \\x=\frac{880}{360}\pi\ in$

Simplify

$\frac{880}{360}\pi=\frac{22}{9}\pi\ in$

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3 years ago