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Flauer [41]
3 years ago
7

Sara has 13 books in her library. She bought several books at a yard sale over the weekend. She now has 63 books in her library.

How many books did she buy at the yard sale?
Mathematics
1 answer:
Musya8 [376]3 years ago
7 0

Your answer would be 50

You would subtract 13 from 63

because she began with 13 books and added 50 to he collection which gives her 63

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The boy the apartment building is filling a pool 30 ft long 20 feet wide and 5 feet deep it has been filled 4 ft deep how many m
inn [45]
Capacity of the pool = 30 x 20 x  5 = 3000 ft³

Amount of water already filled = 30 x 20 x 4 = 2400 ft²

Amount of water needed to full the pool = 3000 - 2400 = 600 ft²


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Answer: 600 ft² of water is needed to fill up the pool.
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4 0
4 years ago
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Given the two expressions shown below:
kobusy [5.1K]
<h2>Answer: A. Both are rational.</h2>

Step-by-step explanation:

Although both expressions have square roots, the result of each square root is an integer, which can be expressed as a fraction.

In this sense:

Rational numbers are all numbers that can be represented as the quotient (division) of two integer numbers. This means they can be represented as a fraction in which the denominator is nonzero.

If we solve both expressions, we will be able to see that the result is an integer that can be expressed as a fraction with two integers:

\sqrt{4} + \sqrt{25}=2 + 5= 7 The result is an integer

7=\frac{7}{1}

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7 0
3 years ago
An amount of 41,000 is borrowed for 15 years at 8.5% interest, compounded annually. If the loan is paid in full at the end of th
bazaltina [42]

Answer: $139390 must be paid back.

Step-by-step explanation:

We would apply the formula for determining compound interest which is expressed as

A = P(1 + r/n)^nt

Where

A = amount to be played back at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount borrowed.

From the information given,

P = 41000

r = 8.5% = 8.5/100 = 0.085

n = 1 because it was compounded once in a year.

t = 15 years

Therefore,

A = 41000(1 + 0.085/1)^1 × 15

A = 41000(1 + 0.085)^15

A = 41000(1.085)^15

A = $139390

3 0
3 years ago
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The 1st Option Is A Function
3 0
4 years ago
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A spherical storage tank has a diameter of 14 ft. How many cubic feet of water will it hold?. ______ cubic ft.
AlladinOne [14]
V<span>=(</span><span>4/</span><span>3)</span><span>πr^</span><span>3
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Diameter= 2 times R
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R=7 ft
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3 years ago
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