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andriy [413]
3 years ago
12

I need help because i don't understand ?

Mathematics
1 answer:
Rus_ich [418]3 years ago
8 0

Answer:

Step-by-step explanation:

You have to pick two points and then find The slope

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On a certain​ route, an airline carries 7000 passengers per​ month, each paying ​$30. A market survey indicates that for each​ $
KengaRu [80]

Answer:

The ticket price that maximizes revenue is $50.

The maximum monthly revenue is $250,000.

Step-by-step explanation:

We have to write a function that describes the revenue of the airline.

We know one point of this function: when the price is $30, the amount of passengers is 7000.

We also know that for an increase of $1 in the ticket price, the amount of passengers will decrease by 100.

Then, we can write the revenue as the multiplication of price and passengers:

R=p\cdot N=(30+x)(7000-x)

where x is the variation in the price of the ticket.

Then, if we derive R in function of x, and equal to 0, we will have the value of x that maximizes the revenue.

R(x)=(30+x)(7000-100x)=30\cdot7000-30\cdot100x+7000x-100x^2\\\\R(x)=-100x^2+(7000-3000)x+210000\\\\R(x)=-100x^2+4000x+210000\\\\\\\dfrac{dR}{dx}=100(-2x)+4000=0\\\\\\200x=4000\\\\x=4000/200=20

We know that the increment in price (from the $30 level) that maximizes the revenue is $20, so the price should be:

p=30+x=30+20=50

The maximum monthly revenue is:

R(x)=(30+x)(7000-100x)\\\\R(20)=(30+20)(7000-100\cdot20)\\\\R(20)=50\cdot5000\\\\R(20)=250000

3 0
3 years ago
5. Bobby guessed there were 92 jelly beans in a jar. There were actually 107 2 points
skelet666 [1.2K]

Answer: 14%

Step-by-step explanation:

From the question, we are informed that Bobby guessed there were 92 jelly beans in a jar when there were actually 107. The percentage error will be:

= Difference in error / Actual value × 100

= (107 - 92) / 107 × 100

= 15/107 × 100

= 0.14 × 100

= 14%

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3 years ago
What is the remainder when 18,049 is divided by 14? (Input numeric values only)
ioda

Answer:

18049/14= 1289 with a remainder of 3

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3 years ago
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Find the measure of angle b.
vladimir1956 [14]

Answer:

7

Step-by-step explanation: its right

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2 years ago
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What is the equation of the line that is parallel to 3x-5y=7 and passes through the point (-10,8)
Karo-lina-s [1.5K]

Answer: y= 3/5 + 18

Step-by-step explanation: Bruh i legit learned this a hour ago at my tuition, ok so basically  simply to slope intercept from ye? so it would be y=-3/5x+7

and then you would use the distance formula and ye distance formula is square root of  x sub 2 - x sub 1 squared+  y sub 2 - y sub 1 squared

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