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3 years ago

If twice a number, added to 3 is divided by the number plus 7, the result is three halves. Find the number.

Mathematics

1 answer:

morpeh [17]3 years ago

6 0

The answer to the question

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Leilani practiced piano for 3/5 of an hour. Sarah practiced piano for 7/8 of an hour.

ivolga24 [154]

Answer:

The number of hours did Sarah practice more than Leilani is $\dfrac{11}{40}$ hours .

Step-by-step explanation:

Given as :

The time for which Leilani practiced piano = $\dfrac{3}{5}$ hours

The time for which Sarah practiced piano = $\dfrac{7}{8}$ hours

Let the number of hours did Sarah practice more than Leilani = T hours

<u>Now, According to question</u>

The number of hours did Sarah practice more than Leilani = $\dfrac{7}{8}$ hours - $\dfrac{3}{5}$ hours

Or, T = $\dfrac{35-24}{40}$ hours

Or, T = $\dfrac{11}{40}$ hours

So,The number of hours did Sarah practice more than Leilani = T = $\dfrac{11}{40}$ hours

Hence, The number of hours did Sarah practice more than Leilani is $\dfrac{11}{40}$ hours . Answer

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3 years ago

I will give branlyest

Anon25 [30]

Answer:

15 3 over 100

$2 \frac{1}{2} + 4 \frac{1}{4} + 9 \frac{1}{4} = 15 \frac{3}{10}$

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3 years ago

Principal is __________.

bearhunter [10]

Answer:

B. the initial amount of money invested

Step-by-step explanation:

Principal is the money invested or the money that a lender lend the borrower. Such money is the basis on which the interest payable will be calculated after considering the numbers of years and installments.

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3 years ago

McKayla checked out 11 books from the library on Tuesday. On Wednesday, she went back to the library and checked out 23 more boo

tresset_1 [31]

Answer:

i would say about 33 books in total from tuesday to wednesday

Step-by-step explanation:

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3 years ago

What is the mean? <br> 19, 16, 24, 12, 16, 21, 18

attashe74 [19]

I'm pretty sure it's 12.

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3 years ago

Read 2 more answers

If twice a​ number, added to 3 is divided by the number plus 7​, the result is three halves. Find the number.

If twice a number, added to 3 is divided by the number plus 7, the result is three halves. Find the number.