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Minchanka [31]
3 years ago
6

What is the value of the expression 3y-4xy^2 when x=3 and y=-6

Mathematics
1 answer:
Rama09 [41]3 years ago
8 0
-450 and can i get brainliest
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Let x be the yearly salary of an architect. Then the yearly salary of a lawyer is 2x-20000.

We can build an equation now! x+(2x-20000)=211000, because the yearly salary of an architect plus the yearly salary of a lawyer is 211000.

We combine like terms to get 3x-20000=211000.

We add 20000 to both sides to get 3x=231000.

We divide both sides by 3 to get x=77000, so the average yearly salary of a lawyer is 77000.

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3 years ago
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A rectangular garden's length is 5 feet longer than its width. If its perimeter can be represented using the function P(x) = 4x
lara31 [8.8K]
4x+10=38
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3 years ago
A function has the rule y= -2x+11
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She would spend 52.5$

Step-by-step explanation:

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