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Murljashka [212]
3 years ago
15

Is -14n-7=7 true or false

Mathematics
1 answer:
Margaret [11]3 years ago
5 0
-14n-7=7
add 7 to both sides
-14n=14
divide by -14 to both sides
n=-1
plug -1 to the equation and its true
7=7
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In order to find if a fraction would result in a repeating decimal, recall that a fraction is a division problem written vertically. All that you have to do is divide the numerator by the denominator. Also, remember that a repeating decimal will result in the same number after the decimal point as long as the calculator can handle. 

3 ÷ 4 = 0.75

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As you can see, two out of your four answer choices give you a repeating decimal. B gives you a repeated number of "1" while C gives you "45". D doesn't count since there is no pattern of repeated numbers that it follows. 

Both B and C fall into the category of repeating decimal. If you're only able to choose one answer, I would ask your teacher, a parent, or a peer what they think. 

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3 years ago
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7 0
3 years ago
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