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Alika [10]
3 years ago
5

Will give BRAINLIEST!!!! Answer fast!!! If a + b + c =−2 and x + y = 10, what is -9a + 2x - 9b - 9c + 2y?

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
5 0
A^5b^3 is your answer

 
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How many pounds of a 23% zinc alloy must be mixed with a 42% zinc alloy to make 516 pounds of a 37.25% zinc alloy?
nydimaria [60]

Answer:

(A)129 Pounds

Step-by-step explanation:

Let x be the number of 23% zink alloy

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