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marissa [1.9K]
3 years ago
11

How can you check to see if two ratios form a proportion? Explain the method you used to find the answer to the previous problem

.
Mathematics
2 answers:
antiseptic1488 [7]3 years ago
6 0

Answer:

In problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. To find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

Step-by-step explanation:

In problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. To find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

Sedaia [141]3 years ago
3 0

Answer:

Write a proportion using the ratios.

Step-by-step explanation:

Find the cross products. If the cross products are equal, then the ratios form a proportion.

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Simplify the following expression. show your work.<br> (-y + 5.3) + (7.2y - 9)
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Answer:

6.2y - 3.7

Step-by-step explanation:

−y+5.3+7.2y−9

Subtract 9 from 5.3 to get −3.7.

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Combine −y and 7.2y to get 6.2y.

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kogti [31]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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