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2 years ago

Select each expression that has a value of 15 when x = 15.

Mathematics

2 answers:

Tatiana [17]2 years ago

6 0

what are the expressions?

please put the expressions so that i can help you! c:

Rama09 [41]2 years ago

4 0

Answer:

A: x/3 + 10 C:(3,015 * x) - 186 ( / means its a fraction)

Step-by-step explanation:

For A all your doing is 15/3 which gives u a whole of 5. Then your going to add the 10 to the 5. 10+5=15. For C, your going to divide 3,015 by 15. Then you will get 201. After you will subtract 201 - 186. Then your final answere will be 15. Hope this helped!

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There are 31 coins of dimes and quarters. If the number of dimes is 5 more than the number of quarters, how many quarters are th

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Answer:

13 Quarters and 18 Dimes

Step-by-step explanation:

Let D and Q stand for the numbers of Dimes(D) and Quarters(Q). Give x and y a break, and make it easier to remember which is which.

D + Q = 31

D = Q + 5

Therefore:

D + Q = 31

(Q+5) + Q = 31

2Q + 5 = 31

2Q = 26

Q = 13

Then D = (13+5) or 18

================

Check:

D + Q = 31 ?

18 + 13 = 31 YES

----------------------

D = Q + 5 ?

18 = 13 + 5 YES

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2 years ago

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Answer:

Step-by-step explanation:

The scale blueprint of a rectangular pool is drawn 1/8 in - 1 foot. If the pool is 34 feet long, what is the measure of the pool's length on the blueprint

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the scale drawing is usually reduced at a constant dimension

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3 years ago

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Step-by-step explanation:

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