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umka2103 [35]
2 years ago
7

Some one explain this to me

Mathematics
1 answer:
lubasha [3.4K]2 years ago
4 0
7.50
25% also equals 1/4 so divide 130.00 by 4 which equals 32.50
subtract 32.50 from 130.00 which equals the cost, 97.50
97.50 minus 90$ is 7.50, therefore that is the answer
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5 magazines and 3 books cost $41.50. 2 magazines and 5 books cost $42.25. Find the cost of each item.
WINSTONCH [101]

Answer:

The Magazines each costed $8.30 and the books cost $13.80 for the amount of $41.50. and the 2 magazines and 5 books for $42.25 the 2 magazines is $21.12 for each and $8.45 for each book.

Step-by-step explanation:I got the answers by taking the total cost and taking the number of books or if it was a a magazine and I would divide it by lets just say you have 42.25 dollars you would divide that by 3 and you would do it for every item with the total cost.

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2 years ago
Suppose P varies directly with q and that P=36 when q=9 . <br> What is the value of P when q=3?
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Answer:

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Step-by-step explanation:

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3 years ago
Which point on the number line best represents the approximate value of 38?
Genrish500 [490]

Answer: Q

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4 0
2 years ago
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What is a key purpose of using simulation when comparing two populations?
neonofarm [45]

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B) Observing how probability works with real items

Step-by-step explanation:

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2 years ago
Find the area of the composite figure.
irga5000 [103]

Answer:

Option C, 488 square centimeters

Step-by-step explanation:

<u>Step 1:  Determine the area of the rectangle</u>

A = l * w

A = 22\ cm * 17\ cm

A = 374\ cm^2

<u>Step 2:  Determine the area of the triangle</u>

A=\frac{h*b}{2}

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Answer:  Option C, 488 square centimeters

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1 year ago
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