5. Which numbers below are composite? 13 15 17 27 Help

Mathematics

1 answer:

yan [13]2 years ago

7 0

Answer:

15 and 27 are composite

Step-by-step explanation:

prime numbers only factor into 1(x) and x(1)

13 = 1(13), 13(1)

15 = 1(15), 3(5), 5(3), 15(1)

17 = 1(17), 17(1)

27 = 1(27), 3(9), 9(3), 27(1)

hope this helps

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geniusboy [140]

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What is (x+4)(3x+7)/(x+4)(x+2) simplified?

iren2701 [21]

Answer:

$\frac{3x+7}{x+2}$

Step-by-step explanation:

Given the following question:

$\frac{(x+4)(3x+7)}{(x+4)(x+2) }$

In order to simplify the expression given we can only cancel the common factor which is four.

$\frac{(x+4)(3x+7)}{(x+4)(x+2) }$
$cf=(x+4)$
$\frac{x+4}{x+4}$
$=\frac{3x+7}{x+2}$

Cannot be simplified further due to it not having any more common factors. Your answer is "3x + 7 / x + 2."

Hope this helps.