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chubhunter [2.5K]
3 years ago
7

−9(−2x − 3) Apply the distributive property to simplify the expression.

Mathematics
2 answers:
Arada [10]3 years ago
4 0

Answer:

18x+27

Step-by-step explanation:

serg [7]3 years ago
3 0

Answer:

18x+ 27

Step-by-step explanation:

Thinking process:

The distributive property states that:

You can multiply a sum by multiplying each addend separately and then adding the products.  

Let's look at the expression again:

−9(−2x − 3)

This is equals to = -9 * (-2x) + -9* (-3)

The rule let's us distribute the -9 to both -2x and -3

This gives the two numbers: +18x + 27

                                                 = 18x+ 27

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Solve for m:<br> 2 (m + 7) = -4- m<br> Your answer
Leokris [45]

Answer:

m = -6

Step-by-step explanation:

2 (m + 7) = -4 - m

2m + 14 = -4 - m

3m + 14 = -4

3m = -18

m = -6

Hopefully this helps!

Brainliest please?

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3 years ago
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Ali was asked to simplify the expression 3(x - 6) + (4x + 12) - 6x. His work is shown below.
Alexxandr [17]

Answer:

x= -2

Step-by-step explanation:

3(x-6) + (4x+12) -6x

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4 0
3 years ago
The revenue equation (in hundreds of millions of dollars) for barley production in a certain country is approximated by R(x) = 0
STatiana [176]

Answer:

The marginal-revenue equation is R'(x)=0.1226x+1.1584.

The marginal revenue for the production of 200,000,000 bushels is R'(x)=1.4036.

The marginal revenue for the production of 650,000,000 bushels is R'(x)=9.1274.

Step-by-step explanation:

The derivative R'(x) of the revenue function is called the marginal revenue function and is the rate of change of revenue with respect to the number of units sold.

We know the revenue function, R(x) = 0.0613x^{2} +1.1584x+2.4813. Therefore, the marginal revenue function is

R'(x)=\frac{d}{dx}R(x) = \frac{d}{dx}(0.0613x^{2} +1.1584x+2.4813)\\\\=\frac{d}{dx}\left(0.0613x^2\right)+\frac{d}{dx}\left(1.1584x\right)+\frac{d}{dx}\left(2.4813\right)\\\\R'(x)=0.1226x+1.1584

To find the marginal revenue for the production of:

200,000,000 bushels we use x = 2, since x is in units of hundreds of million of dollars.

R'(x)=0.1226\cdot \:2+1.1584\\\\R'(x)=0.2452+1.1584\\\\R'(x)=1.4036

650,000,000 bushels we use x = 65, since x is in units of hundreds of million of dollars.

R'(x)=0.1226\cdot \:65+1.1584\\\\R'(x)=7.969+1.1584\\\\R'(x)=9.1274

3 0
3 years ago
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tatuchka [14]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
You and your friend are standing back-to-back. Your friend runs 16 feet forward and then 12 feet right. At the same time, you ru
frez [133]

Answer:

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Step-by-step explanation:

I imagined it as a grid.

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Then you set up your equation and solve.

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Hope this helps :)

3 0
3 years ago
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