3 years ago

Simplify. 3x+8−x−6 Enter your answer in the box.

Mathematics

1 answer:

Stolb23 [73]3 years ago

6 0

Answer: 52x

Explanation

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1) y = 2x – 17<br> -3x – y=-13

scoray [572]

Answer:

Step-by-step explanation:

$\left\{\begin{array}{ccc}y=2x-17&\text{subtract}\ 2x\ \text{from both sides}\\-3x-y=-13\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}-2x+y=-17\\-3x-y=-13\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad-5x=-30\qquad\text{divide both sides by (-5)}\\.\qquad\boxed{x=6}\\\\\\\text{Substitute the value of x to the first equation}\\\\y=2(6)-17\\y=12-17\\\boxed{y=-5}$

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3 years ago

A car is traveling at a speed of 100 kilometers per hour. What is the approximate speed in meters per second?

ruslelena [56]

<span>(100 km/hour) x (1,000 m/km) x (1 hour/3600 sec) = 27 and 7/9 meters per sec.

If you round the number, it could become approximately 27.8 or even 28 .</span>

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4 years ago

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brilliants [131]

-6.8 is the answer.

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2 years ago

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Government intervention to affect the production of a good is

slamgirl [31]

The answer is For this question is D you are welcome