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3 years ago

Mary had 74 dollars to spend on 7 books after buying them she had 11 dollars how much did each book cost

Mathematics

2 answers:

Blababa [14]3 years ago

8 0

Answer: $9

Step-by-step explanation: 74 - 11 = 63. 63 divided by 7 equals 9. So each book cost $9

Minchanka [31]3 years ago

4 0

Answer: Each book costs $9

Step-by-step explanation:

74-11 = 63

63 divided by 7 = 9

That's the answer

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4 years ago

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3 years ago

If an arena hosts a concert for the same artist two years in a row and earns $1,500,000 in revenue during year one and $975,000

user100 [1]

The percentage decrease is 35%.

Step-by-step explanation:

Given,

Revenue generated in first year = Old value = $1,500,000

Revenue generated in second year = New value = $975,000

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The negative sign indicates the decrease.

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3 years ago

Alan had read 40 percent of a book. He has 6 more pages to finish. How many pages are there in the book?

irina1246 [14]

Answer:

The book has 10 pages.

Step-by-step explanation:

Let b represent the number of pages in the entire book.

Alan has read 40% but has 60% left to read.

60% of b is 6 pages (given).

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The book has 10 pages.

7 0

3 years ago

Read 2 more answers

Suppose a triangle has two sides of length 2 and 3 and that angle between these two sides is 60 degrees. What is the length of t

Arturiano [62]

Answer:

Apply cosine rule:

c²=b²+a²-2ba cosC

C= pi/3 = 180/3 = 60 degrees

cosine 60 deg = 0.5

c²=2²+3²-[2×2×3×0.5]

c²=7

c=√7

c=2.645 ;length of third side of angle

Step-by-step explanation:

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3 years ago