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elena-s [515]
3 years ago
10

100 POINTS!!! must be correct!

Mathematics
2 answers:
bixtya [17]3 years ago
7 0

Answer:

we \: have \: 5x + 6x + y + y + 3y + 4 + 6 + 2 \\ x \: terms = 5x + 6x = 11x \\ y \: terms = y + y + 3y  = 5y \\ constant = 4 + 6 + 2 = 12 \\ then \: 11x + 5y  + 12 \\ option \: (c) \\ thank \: you

suter [353]3 years ago
5 0

Answer:

C. 11x + 5y + 12

Step-by-step explanation:

You have to combine all like terms For example:

5x + 6x + y + y + 3y + 4 + 6 + 2

First add 5x and 6x

5x + 6x = 11x

Then you get:

11x + y + y + 3y + 4 + 6 + 2

Next add all of the y's

y + y + 3y = 5y

then you get

5x + 6x + 5y + 4 + 6 + 2

Finally add 4, 6, and 2

4 + 6 + 2 = 12

So your final solution should be 11x + 5y + 12

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Suppose y varies inversely with x, and y = -1 when x = 6. What inverse variation equation relates x and y?
snow_tiger [21]

Answer:

\displaystyle \text{d. }y=\frac{-6}{x}

Step-by-step explanation:

If two values x and y are inversely proportional, their product is <em>always</em> some maintained constant (the product of x and y is always maintained). This way, if one goes up, the other must go down by the same extent. By definition, this represents an inversely proportional relationship.

Therefore, we can simply find this constant by multiplying the given values of x and y:

xy=k,\\6\cdot (-1)=-6

The constant -6 must be maintained as the product of x and y for all values of x and y for them to be inversely proportional. Thus, we have the equation:

xy=-6

Divide both sides by x to isolate y:

\boxed{y=\frac{-6}{x}}

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3 years ago
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4 years ago
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Answer:

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Step-by-step explanation:

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Answer:

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