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xeze [42]
3 years ago
10

What is -3m - 8(m + 1)?

Mathematics
2 answers:
Verizon [17]3 years ago
6 0

Hi!

<em><u>Answer:</u></em>

<em><u>-11m-8</u></em>

<em><u>*The answer must have a negative sign.*</u></em>

Step-by-step explanation:

Distributive property: a(b+c)=ab+ac

First, you expand.

-8(m+1)=-8m-8

Then you rewrite the problem down.

-3m-8m-8

Finally, you add by the numbers and similar elements.

-3m-8m=-11m

3+8=11

Final answer is -11m-8

I hope this helps you!

Have a nice day! :)


alexira [117]3 years ago
4 0

Answer: -11m-8


Step-by-step explanation:

-3m x -8m= -11m-8


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Mars is extremely far from the Earth. Scientists estimate that it could take astronauts 245​​​​​​​ days to travel from Earth to
Ksivusya [100]

Answer:

Step-by-step explanation:

We would liken the given scenario to distance speed and time relationship. The formula for determining average speed is

Total Distance/ total time

Since the distance between Earth and Mars is 108 million miles(108 × 10^6) the trip takes 245 days, then on average, the number of miles that the astronauts would travel each day would be

108 × 10^6/245 = 440816 miles per day

Writing in powers of 10, it becomes 4.4 × 10^5 miles per day

Rounding to the nearest whole number, it becomes 4 × 10^5 miles per day

3 0
3 years ago
Use the parabola tool to graph the quadratic function f (x) = 2x2 - 4x + 6.
lubasha [3.4K]

Answer:

Vertex plot is (1,4)

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Step-by-step explanation:

You can use the the desmos graph calculator by entering quadratic function f(x) = 2x^2 − 4x + 6

3 0
3 years ago
What is the volume of a sphere that has a 12m diameter?
lesya [120]
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I hope this helps.</span>
5 0
3 years ago
Find the exact value of cos 120° in simplest form with a rational<br> denominator.
IRINA_888 [86]

Given:

cos 120°

To find:

The exact value of cos 120° in simplest form with a rational  denominator.

Solution:

We have,

\cos 120^\circ

It can be written as

\cos 120^\circ=\cos (90^\circ+30^\circ)

\cos 120^\circ=-\sin 30^\circ             [\because \cos (90^\circ-\theta)=-\sin \theta]

\cos 120^\circ=-\left(\dfrac{1}{2}\right)             [\because \sin 30^\circ=\dfrac{1}{2}]

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3 years ago
HELP PLZZZ
zhuklara [117]

none of the above, -90 and 270 are the same position on the unit circle


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