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katrin [286]
3 years ago
12

Check each relation below that is a direct variation.

Mathematics
1 answer:
guapka [62]3 years ago
4 0

Answer: option A and option D

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The difference between two numbers is 16. Three times the larger number is seven times the smaller. What are the numbers?​
slavikrds [6]

Answer:

12 and 28

Step-by-step explanation:

Represent the numbers using x and y.  Then y - x = 16.  (y is the larger one.)

Then 3y = 7x, and y = (7/3)x.

Substituting (7/3)x for y in y - x = 16, we get:

(7/3)x - x = 16.

Eliminate the fraction by multiplying all three terms by 3:

7x - 3x = 48, or 4x = 48, yielding x = 12.  Then y = (7/3)(12) = 28.

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One less than a number, which is then divided by 5, is -7. What is the number?
Paladinen [302]

Answer:

Work backwords.

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Which proportion represents the situation below?
denis-greek [22]

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maybe it is 47 boys

Step-by-step explanation:

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