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liq [111]
3 years ago
6

Find the greatest common factor of 7 and 21.

Mathematics
1 answer:
sertanlavr [38]3 years ago
6 0

Answer: 7

Step-by-step explanation:

Factors of 7 are, 1, and 7. The factors of 21 are, 1, 3, 7, and 21, making 7 the gcf.

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If the simple interest on ​$3,000 for 8 years is ​$1,680​, then what is the interest​ rate?
madam [21]

We need to use the formula for simple interest which is
I= prt
Where I is the amount of money you earned or pay in interest
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r is the interest rate expressed as a decimal
t is time in terms of years

In this problem, I= 1,680
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Substituting the numbers into the simple interest formula, we get
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8 0
3 years ago
The quotient of 6+n and 3-f is 11
Goryan [66]
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6 0
4 years ago
How many 3/8 mile laps does shandra need to run to complete 6 miles?
vladimir2022 [97]

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We can just divide 6 by 3/8

6/1 divided by 3/8

6/1 * 8/3

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