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lorasvet [3.4K]
3 years ago
13

Find the value of the expression if x=9 and y=1 Xy^2/-5

Mathematics
1 answer:
lesantik [10]3 years ago
3 0

Answer:

-9/5

Step-by-step explanation:

Xy^2/-5 becomes (9)(1^2) / (-5) when x = 9 and y = 1.

This simplifies to -9/5

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1.\\2n+3n+7=-41\\5n=-41-7\\5n=-48\\n=-48:5\\\boxed{n=-9.6}\\------------------\\2.\\2x-5x+6.3=-14.4\\-3x=-14.4-6.3\\-3x=-20.7\\x=(-20.7):(-3)\\\boxed{x=6.9}\\------------------

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