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3 years ago

Simplify x^2-4x-32/x^2+7x+12

Mathematics

2 answers:

Nimfa-mama [501]3 years ago

8 0

<span>Simplify x^2-4x-32/x^2+7x+12
Answer see form:</span>

Katarina [22]3 years ago

7 0

It equals to:

(x - 8)(x + 4) / (x+3)(x+4)

If x ≠ -4

Then it equals to:

(x-8) / (x+3)

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Person A can paint the neighbor's house 5 times as fast as Person B. The year A and B worked together, it

LenKa [72]

Answer:

Person A paints the house in 12 days.

person B paints the house in 60 days.

Step-by-step explanation:

The together rate is the sum of each separate rate.

Person A can paint the neighbor's house 5 times as fast as Person B.

This means that the rate of person A is 1/x, and the rate of person B is 1/5x.

The year A and B worked together, it took them 10 days.

This means that:

$\frac{1}{x} + \frac{1}{5x} = \frac{1}{10}$

Multiplying everything by 10x

$10 + 2 = x$

$x = 12$

This means that:

Person A paints the house in 12 days.

person B paints the house in 60 days.

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3 years ago

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3 years ago

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nata0808 [166]

3 1/6 / 1/3 =

19/6 / 1/3 =

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Is (1, 4) a solution to the equation y = 7x?

olga nikolaevna [1]

Answer:

not a solution

Step-by-step explanation:

Substitute the point into the equation and see if it is true

y = 7x

4 = 7*1

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Answer:

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Step-by-step explanation:

2(x-4)=6x-6

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