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Setler79 [48]
3 years ago
7

A pair of sneakers is regularly at $52. The store sells it for $78. What is the percent increase?

Mathematics
1 answer:
san4es73 [151]3 years ago
8 0

The answer is A.33.33%.

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Work out 12+8÷(9-5) 0.018÷0.06 Express as single fraction 5/7÷2/5
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Step-by-step explanation:

I don't know if the first set of numbers is all in one set, but I'll do my best to give you an answer.

Really all you need to do is use PEMDAS for the first question.

(Parentheses, exponents, multiply, divide, add, subtract. In that order)

1 2 + 8 \div (9 - 5) \\ 12 + 8 \div 4 \\ 12 + 2 \\ 14

Then to simplify that fraction next to it, notice that 0.018 is 3x 0.06.

that's a 3:1 ratio, so it ends up simplifying to this:

\frac{3}{1}

Lastly, to solve the division of that fraction. If you divide by a fraction, you multiply whatever it's dividing by its inverse.

So...

\frac{5}{7}  \div  \frac{2}{5}  \\  \frac{5}{7}  \times  \frac{5}{2}  \\  \frac{25}{14}

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3 years ago
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Step-by-step explanation:

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3 years ago
I don’t understand this question
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Step-by-step explanation:

step 1. a polynomial must have whole non negative exponents

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This problem the anwser is (11,-2)
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