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nirvana33 [79]
3 years ago
8

last year she had 12 records in her collection. now she has 15. what is the percent increase of her collection

Mathematics
1 answer:
pochemuha3 years ago
7 0

Answer:

Her percent increase would be 25%.

Step-by-step explanation:

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EASY QUESTIONS ON THE EARTH
Leni [432]

Question #10:

To find what fraction of an onion is used per serving, divide the total amount of onion by the total number servings.

1/2 ÷ 6 = 1/12

Therefore, 1/12 of an onion was used per serving.

Question #12:

1/2 of 3/4 means that we multiply 1/2 to 3/4.

3/4 * 1/2 → 3/8

3/4 of 1/2 means we multiply 3/4 to 1/2.

1/2 * 3/4 → 3/8

Therefore, both expressions are similar.

Best of Luck!

3 0
3 years ago
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Explain why 3/4 and 9/12 are equivalent?
Nikitich [7]
They’re equivalent because 3 • 3 is 9 and whatever you do to the top, you do to the bottom, therefore 4 • 3 is 12. That would equal 9/12.
8 0
3 years ago
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Find the constant of proportionality on the graph.
Goryan [66]

Answer : 2.5

Step - by - step explanation :

X / Y = COP

5 / 2 = 2.5 or 2 1/2

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7 0
2 years ago
Please answer correctly !!!!!!!!!! Will mark brainliest !!!!!!!!!!!!
inn [45]

Answer:

economy class = 260

business class = 100.

Step-by-step explanation:

for every 13 economy seats, there are 5 business class seats

EC = 13

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divide 360 by 18 to get the number of groups created.

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you can confirm by adding the seats to see if you will get 360.

5 0
3 years ago
Solve this equation. 5n+7=7(n+1)-2n
9966 [12]
Distribute 7 to both n and 1

7(n + 1) = 7n + 7

5n + 7 = 7n + 7 - 2n

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5n + 7 = 7n - 2n + 7

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If you want to solve for n, subtract 7 from both sides

5n + 7 (-7) = 5n + 7 (-7)

5n = 5n

then divide 5 from both sides

5n/5 = 5n/5

n = n

Effectively, this equation is <em>unsolvable</em>

hope this helps
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3 years ago
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