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3 years ago

6

What is the gcf of 36 and 45

2 answers:

bearhunter [10]3 years ago

6 0

For the values 36 and 45, the GCF = 9

notka56 [123]3 years ago

3 0

36 = 2² × 3²
45 = 3² × 5
GCF : 3² = 9

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2 years ago

xz_007 [3.2K]

Answer:

1) $n = 84$

2) $n = 78$

3) $n = 24$

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Step-by-step explanation:

To solve each proportion, we apply cross multiplication.

Question 1:

$\frac{5}{12} = \frac{35}{n}$

$5n = 35*12$

Simplifying both sides by 5

$n = 7*12 = 84$

Question 2:

$\frac{n}{52} = \frac{180}{120}$

$120n = 52*180$

Simplifying both sides by 20

$6n = 52*9$

Simplifying by 3

$2n = 52*3$

Simplifying by 2

$n = 26*3 = 78$

Question 3:

$\frac{18}{n} = \frac{21}{28}$

$21n = 18*28$

Simplifying both sides by 7

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Simplifying both sides by 3

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Question 4:

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$\frac{n}{4} = 4$

$n = 16$

Question 5:

$\frac{10}{16} = \frac{n}{56}$

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Simplifying by 2, both sides

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Simplifying by 8, both sides

$n = 7*5 = 35$

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3 years ago