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3 years ago

Does this graph represent a function?

Mathematics

2 answers:

Taya2010 [7]3 years ago

8 0

Answer:

yes

Step-by-step explanation:

Alina [70]3 years ago

3 0

Answer:

yes

Step-by-step explanation:

because none of the lines go over each other or touch

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4 • 7 – 6 2 ÷ 3 also show your work

sesenic [268]

Answer:

7 1/3

Step-by-step explanation:

Lets do this in steps ok? K!

Important!!!: Look what operation is first in order of operation no parentheses or exponents so division and multiplication is first!

Step 1-- 4 x 7=28

Step 2-- 62 divided by 3 = 20 2/3

Step 3-- 28- 20 2/3

Step 4-- 27 3/3 - 20 2/3= 7 1/3

Hope this helps ∞<3

8 0

3 years ago

Read 2 more answers

38.07 is 9% of what number?

Nataliya [291]

$38.07 = \frac{9}{100} x$

$38.07 \times \frac{100}{9} = x$

$\frac{3807}{9} = x$

$423 = x$

6 0

3 years ago

Read 2 more answers

Find the midsegment of triangle ABC so that it is parallel to side BC and label it as segment EG on the graph.

Lelechka [254]

Answer:

Coordinate of E:(-2,3) Coordinate of G: (2.5,1.5)

Parallel: slopes both = -1/3

1/2 segment: EG length= 3 BC length=6: This is the only one I'm not sure about.

I will show the work for both the problems down below.

Step-by-step explanation:

Finding coordinates:

1+(-5)/2=-2 5+1/2=3

(-2,3)

1+4/2= 2.5 5+(-2)/2= 1.5

(2.5,1.5)

Show work verifying the EG and BC are parallel:

You can do this by finding the slope

Slop formula (y2-y1)/(x2-x1)

(1.5-3)/(2.5-(-2))

Then simplify

-1.5/2/5= -1/3 which i your slope. You use the same formula and follow thee same steps for the points of BC and both will come up as -1/4 meaning they are parallel.

Show work verifying that EG and BC are parallel:

Use distance formula to find how long each line is

√(x2-x1)^2+(y2-y1)^2

√(2.5-(-2)^2)+(1.5-3)^2

Simplify

√4.5+(1.5)=3

Do the same thing with BC and you will get 6

7 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

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