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3 years ago

What is 5 + 2 ? 51/2 + 21/7

Mathematics

2 answers:

Ghella [55]3 years ago

8 0

Well 5+2 is 7 and 51/2+21/7 is 57/2

Degger [83]3 years ago

7 0

5+2=7
51/2 + 21/7 = 357/14 + 42/14 = 399/14

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Item 19 The scale on a map is 1 cm:30 mi. The distance on the map between San Francisco, CA, and Chicago, IL, is 61.9 cm. What i

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Step-by-step explanation:

We have been given that the scale on a map is 1 cm:30 mi. The distance on the map between San Francisco, CA, and Chicago, IL, is 61.9 cm. We are asked to find the actual distance between San Francisco and Chicago.

We will use proportions to solve our given problem.

$\frac{\text{Actual distance}}{\text{Map distance}}=\frac{30\text{ miles}}{1\text{ cm}}$

Upon substituting map distance between San Francisco and Chicago, we will get:

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