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Liono4ka [1.6K]
3 years ago
6

A concert is attended by 300 people. All of the attendees start exiting the concert hall as soon as the concert has ended. The f

unction represents the number of people still inside the concert hall minutes after the concert has ended. The number of people inside the concert hall is decreasing at a rate of 4 people per minute. Which of the following represents the function ?
Mathematics
1 answer:
wlad13 [49]3 years ago
7 0
Shimakie is right lol
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A car dealership sold 84 cars in April. The dealership wants to increase the number of cars sold by 25% in May. How many cars wi
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Answer: 105 Cars

Step-by-step explanation: To get an increase of 25% you need to multiply 84 by .25 then add the product of that to 84 to get 105

4 0
2 years ago
Read 2 more answers
Need some help with this here problem: thanks :)
iVinArrow [24]

Answer:

2A

Step-by-step explanation:

\left(\left(-3\right)^{16^{\frac{1}{2}}}-\left(-7\right)^{8^{\frac{1}{3}}}\right)^{0.2}=32^{0.2}\\=32^{0.2}A\\32^{0.2}=2\\= 2A

5 0
3 years ago
4. The revenue of a company for a given month is represented as ????(x) = 1,500x − x^2 and its costs as ????(x) = 1,500 + 1,000x
mrs_skeptik [129]

Answer:

The profit will be maximum on x = 250.

Step-by-step explanation:

From the given information:

Revenue = 1500x - x²

Cost = 1500 + 1000x

As we know that

Profit = Revenue - Cost ; Let say it equation 1

Then after putting the values of revenue and cost in equation 1 we have:

Profit = (1500x - x²) - (1500 + 1000x)

Profit = 1500x - x² - 1500 - 1000x

Profit = -x² + 500x - 1500

We know that at the max or min the slope of the graph formed by the profit function will be zero, therefore we find the slope of profit function by taking the first derrivative w.r.t. x as under:

d(Profit)/dx = d/dx(-x² + 500x - 1500)

d(Profit)/dx = -2x + 500

By putting the above slope equal to zero we get:

d(Profit)/dx = -2x + 500 = 0

-2x + 500 = 0

-2x = -500

x = 250

Therefore it is concluded that the profit will be maximum when x will be equal to 250.

4 0
3 years ago
Please please help with these two !!! i’ll give brainliest pls
arsen [322]

Answer:

1.)B

2.)C

I apologize if this answer is wrong.

3 0
3 years ago
20 POINTSSSS
SVEN [57.7K]

Answer:

Really

Step-by-step explanation:

8 0
3 years ago
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