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Mashutka [201]
3 years ago
7

Simplify 15y^-7/18y^-3 Assume y≠0

Mathematics
2 answers:
weeeeeb [17]3 years ago
6 0
The first step for simplifying the above fraction is to divide the terms with the same base by subtracting their exponents. 
\frac{15}{18y^{-3-(-7)} }
Remember that when there is a "-" sign in front of the parenthesis,, we need to change the sign of each term in the parenthesis. This changes the fraction to the following:
\frac{15}{18y^{-3+7 } }
Calculate the sum of the exponents.
\frac{15}{18 y^{4} }
Lastly,, reduce the fraction with 3 to find your final answer.
\frac{5}{6 y^{4} }
Let me know if you have any further questions.
:)
cupoosta [38]3 years ago
3 0

it's B, I got it on edgenuit y

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iogann1982 [59]

Answer:

1.92 Pounds per dictionary


Step-by-step explanation:

Since 6 dictionaries weigh 11.52 pounds, and each of the dictionaries weigh the same, this is a simple division problem.

11.52/6=1.92


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natka813 [3]

Answer:

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2 years ago
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jonny [76]

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Step-by-step explanation:

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