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melisa1 [442]
2 years ago
7

I got -4 but I don't see it on here, did I do something wrong??​

Mathematics
2 answers:
jek_recluse [69]2 years ago
8 0

Answer: no, you are absolutely correct, it is -4. but is there any wy the screen could have been a typo?

Step-by-step explanation:

Ira Lisetskai [31]2 years ago
5 0

Answer:

it is -4

Step-by-step explanation:

but the answer is not on there so the answer will be D.

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6 0
3 years ago
Simply the product -7x/5y * 5x/-7
ch4aika [34]
We are asked to simplify the expression \frac{-7x}{5y} \cdot  \frac{5x}{-7}, 

what we do is, we form a single fraction where the numerator is the product of the numerators, and the denominator is the product of the denominators, that is:

\frac{-7x}{5y} \cdot \frac{5x}{-7}= \frac{-7\cdot5 \cdot x \cdot x}{5 \cdot(-7) \cdot y}

simplify the common numbers and terms in the numerator and denominator:

\frac{-7\cdot5 \cdot x \cdot x}{5 \cdot(-7) \cdot y}=\frac{5 \cdot x \cdot x}{5  \cdot y}=\frac{x \cdot x}{y}= \frac{ x^{2} }{y}


Answer: \frac{ x^{2} }{y}

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