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3 years ago

11

The owner of a car wash combines x gallons of a 2% liquid soap and 98% water mix with y gallons of a 7% liquid soap and 93% wate

r mix to make 500 gallons of a 5% liquid soap and 95% water mix. Write a system of linear equations that represent the situation.

1 answer:

Diano4ka-milaya [45]3 years ago

6 0

X(2+98) + y(7+93)= 500(5+95)

Not sure if it’s right or not!!!

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3 years ago

What is the product?<br> (-2x- 9y2 )(-4x-3)

lara [203]

Answer:

$36xy^2 + 8x^2 + 27y^2 + 6x$

Step-by-step explanation:

Use the FOIL method of multiplying binomials.

First term in each binomial: $-2x * -4x = 8x^2$

Outside terms: $-2x * -3 = 6x$

Inside terms: $-9y^2 * -4x = 36xy^2$

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This is our final answer, since it can not be simplified any more.

4 0

3 years ago

Use Gcf to factor 36y-48

QveST [7]

Answer:

6

Step-by-step explanation:

$36y - 48 \\ = 6(6y - 8) \\ \because \: 6 \: is \: common \: from \: both \: the \: terms \\ \therefore \: gcf = 6$

8 0

3 years ago

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