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Licemer1 [7]
4 years ago
12

Earths circumference is approximately 25,000 miles. If you could dig a tunnel to the center of earth, how long will the title be

? Round to the nearest 10th mile.
Mathematics
1 answer:
shtirl [24]4 years ago
3 0

Answer:

r ≈ 3,980 miles

Step-by-step explanation:

C = 2 r π

C = 25,000

r = C / (2π) = 25,000 / (2π)

r = 3,978.87357678

r ≈ 3,980 miles

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Ab is 10. 8 units long if ABC is dilated by a scale factor of k equals 1.3 what is the length of a'b'
Marizza181 [45]
ANSWER


The length of

A'B'=14.04 \: units

EXPLANATION

The object length given to us is,

|AB|=10.8 \: units

The scale factor of the dilation is,

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The image length can be calculated using the formula

|A'B'| = k \times  |AB|

We substitute the given values into the formula to get,

|A'B'| = 1.3\times 10.8


We multiply out to obtain,

|A'B'| = 14.04 \: units
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