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Lesechka [4]
3 years ago
6

Determine if each pair of rates are equivalent. 12 postersfoe 36 students; 21 posters for 63 students

Mathematics
1 answer:
AysviL [449]3 years ago
7 0

Answer:

Yes

Step-by-step explanation:

Determine whether 12/36 = 21/63.

Note that 12/36 reduces to 1/3, and that 21/63 also reduces to 1/3.  So, yes, the  given rates are equivalent.

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Debbie found a suitcase that was originally 129 but now is on sale for 30% off. If sales tax is 8.75%, what is her final cost?
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Step-by-step explanation:

To find the answer we first multiply 129 by 0.7 since the price descresed 30 percent. each percent is equal to 0.01.

129 * 0.7 = 90.3

Then we multiply 90.3 by 1.0875 since that is the sales tax

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The sum S of the first n integers is given by the formula S=1/2n(n+1). How many integers must be taken to have a sum of
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Answer:

25

Step-by-step explanation:

We require to solve for n, hence

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multiply both sides by 2 to eliminate the fraction

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subtract 650 from both sides to have equation in standard form

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3 years ago
So the problem I got was "Ben is splitting 2 quarts of icecream with 9 members of the team. If the icecream is split evenly how
posledela

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8/9 of a cup

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8 cups of icecream to be divided among 9 people, so they can't have full cups.

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