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hjlf
2 years ago
15

Which of the following is a PRIME factor of 180? A. 7 B. 4 C. 5 D. 9

Mathematics
2 answers:
QveST [7]2 years ago
6 0

Answer:

5

Step-by-step explanation:

4 and 9 are composite numbers, so that automatically rules them out. The last two Prime numbers are 7 & 5, right?

180/7 = 25.71 - Since this ends up being a decimal, it cannot be a factor.

180/5 = 36

5 is both a prime number, and it factors evenly: this makes 5 the correct answer.

Hope I could help!

adelina 88 [10]2 years ago
5 0

Answer:

C

Step-by-step explanation:

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Zinaida [17]

Answer:

it's 2

Step-by-step explanation:

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2 years ago
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Step-by-step explanation:

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pashok25 [27]
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6 0
3 years ago
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Given -3x + 2y = 1 and x = 5, solve for y.<br><br> a.-7<br><br> b.7<br><br> c.-8<br><br> d.8
eduard

Answer:

d. 8

Step-by-step explanation:

Given: -3x + 2y = 1 and x = 5

Now plug x =5 in the given equation and find the value of y.

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2 years ago
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Oksana_A [137]

Answer:

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3 years ago
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