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vichka [17]
3 years ago
15

Marta walked at 3.9 miles per hour for 0.72 hours. How far did she walk?

Mathematics
2 answers:
yuradex [85]3 years ago
4 0
This is a porportion, she is walking 3.9 every hour so that is 3.9/1 (1 representing the one hour) and she only walked .72 hours and we dont know far she walked for, so its x/.72 we cross multiply (not cross cancel) and we get 3.9×.72=x
we multiply those decimals and we get 2.808 miles she had walked. Hope that helps.
prohojiy [21]3 years ago
3 0
3.9 x 0.72 = 2.808????????
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svlad2 [7]
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7 0
3 years ago
Given the lengths of two sides of a triangle, find the range for the length of the third side. (Range means find between which t
Sidana [21]
<h3>Answer:  5 < x < 21</h3>

Explanation:

Let x be the length of the third side. We can't find the exact value of x, as we don't have enough info, but we can find possible values for x.

The lower boundary for x is 13-8 = 5. It must be larger than this value.

At the same time, x must be smaller than 13+8 = 21 as well.

So x > 5 and x < 21 becomes 5 < x < 21

In short, x is between 5 and 21. It cannot equal either endpoint.

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sergeinik [125]
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which similar triangle, the ratios of all theee pairs of corresponding sides add never equal true or false
faltersainse [42]

The ratio of all the corresponding sides of the triangle are equal to each other.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

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Also, the ratio of all the corresponding sides of the triangle are equal to each other.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

4 0
2 years ago
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Step-by-step explanation:

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