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3 years ago

Which of the following is not a correct factorization of the binomial 10x2 + 40x ?

Mathematics

1 answer:

meriva3 years ago

5 0

B. To be careful, use brackets: 10(1*2) + 4x which will be 20 + 40x or as you have it, 10*2 + 40x.

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Answer:

13. 3/4 = 75/100 = 75%

14. 1/2 = 50/100 = 50%

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Step-by-step explanation:

For this question, you do the opposite of what you did in the other problem. You put the percentage over a denominator of 100. For example,

75 ⇒ 75/100

50 ⇒ 50/100

85 ⇒ 85/100

Then, to find the reduced fraction, you cross-multiply to find the numerator of the fraction.

75 × 4 = 300 / 100 = 3 ⇒ 3/4

50 × 2 = 100 / 100 = 1 ⇒ 1/2

85 × 20 = 1700 / 100 = 17 ⇒ 17/20

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