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zvonat [6]
2 years ago
5

Use the prime factorizations of 72 and 120 to find their gcf

Mathematics
2 answers:
Olin [163]2 years ago
5 0
72 = 2 * 2* 2 * 3 * 3

120 = 2 * 2 * 2 * 3 * 5

The greatest common factor (GCF) would be gotten from the factors common to both 72 and 120.

The common =  2 * 2 * 2 = 8

The GCF = 8
Bond [772]2 years ago
4 0
The gcf is 24 because that's the highest number you can multiply multiple times to get both those numbers.
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Answer:

<h2>{7}^{3} (as \: a \: single \: power \: of \: 7)</h2>

Step-by-step explanation:

<em><u>Given</u></em><em><u> </u></em><em><u> </u></em>

{7}^{4}  \div 7

<em><u>Since</u></em><em><u>,</u></em>

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2 years ago
charity is four times as old as her daughter. she is also six years younger than her husband. The sum of their ages ten years to
Pachacha [2.7K]

Answer:

36years

Step-by-step explanation:

Let charity present age be x

Charity daughter present age be y

Charity husband present age be z

If the sum of their ages ten years to come is 117, then;

10+x+10+y+10+z = 117

30+x+y+z = 117

x+y+z = 87 ... 1

If charity is four times as old as her daughter, then;

x = 4y

y = x/4 ... 2

If she is also six years younger than her husband, then;

x = z- 6

z = x+6 .. 3

Substitute 2 and 3 into 1;

x + x/4 + (x+6) = 87

Multiply through by 4

4x + x + 4(x+6) = 4(87)

5x+4x+24 = 348

9x = 348 - 24

9x = 324

x = 324/9

x = 36

hence Charity is 36years old today

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LenaWriter [7]

Answer:

3

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3 years ago
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