3 years ago

Help !! which one is it?

Mathematics

1 answer:

kaheart [24]3 years ago

5 0

The third one is correct

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What is the slope that passes through (-9,-8) and (-15,-16)

guapka [62]

Answer:

Slope = $\frac{4}{3}$

Step-by-step explanation:

(-9, -8) & (-15 , -16)

Slope = $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$= \frac{-16-[-8]}{-15-[-9]}\\\\= \frac{-16+8}{-15+9}\\\\= \frac{-8}{-6}\\\\= \frac{4}{3}$

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3 years ago

12-5u=(-48) <br><br><br> what is "u"

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Answer:

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Solve the two-step equation. -9x + 0.4 = 4 Which operation must be performed to move all the constants to the right side of the

Alexandra [31]

Answer:

x = -0.4

Step-by-step explanation:

We have the equation:

-9x + 0.4 = 4

First, the operation to move all the constants to the right side is subtraction since we would have to subtract 0.4 from each side, let's see this:

$-9x+0.4=4\\-9x+0.4-0.4=4-0.4\\-9x=3.6$

Now, we have all the constants on the right side of the equation.

Now, the operation we need to perform to isolate the variable is division (since the x has a -9 that is being multiplied by x) we need to do the opposite operation:

$-9x=3.6\\\frac{-9x}{-9} =\frac{3.6}{-9} \\x=-0.4$

<h3>Thus, the answer to this equation is x= -0.4</h3>

4 0

3 years ago

Read 3 more answers

Please help!!!! I’m about to fail and I don’t want to

adelina 88 [10]

Answer:

But, you didn't ask any question.

Step-by-step explanation:

Remember to post your question next time.

6 0

3 years ago

Bruh what is (-4×-6)-4²

olga nikolaevna [1]

Answer:

Step-by-step explanation:

the anwser is you use the formal

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3 years ago