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Andrei [34K]
3 years ago
10

Can someone please help me I really need help please help me please help me thank you

Mathematics
1 answer:
alekssr [168]3 years ago
6 0

Answer:  None. The question asks about $4 per hour.

Step-by-step explanation:   The cost changes by $4 every 2 hours.

That is $2 per hour.

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How do I calculate this? Is there a formula?
alex41 [277]

<u>Answer:</u>

Height of cables = 23.75 meters

<u>Step-by-step explanation:</u>

We are given that the road is suspended from twin towers whose cables are parabolic in shape.

For this situation, imagine a graph where the x-axis represent the road surface and the point (0,0) represents the point that is on the road surface midway between the two towers.

Then draw a parabola having vertex at (0,0) and curving upwards on either side of the vertex at a distance of x = 600 or x = -600, and y at 95.

We know that the equation of a parabola is in the form y=ax^2 and here it passes through the point (600, 95).

y=ax^2

95=a \times 600^2

a=\frac{95}{360000}

a=\frac{19}{72000}

So new equation for parabola would be y=\frac{19x^2}{72000}.

Now we have to find the height (y)of the cable when x= 300.

y=\frac{19 (300)^2}{72000}

y = 23.75 meters

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1 3/4x1/3= 7/12
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Who can help me please
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Your friend operates a business and has the following demand curve. Complete the table, and use the information provided to find
hichkok12 [17]

A demand curve shows the quantity demanded of a product at each price.

<h3>What is a demand curve?</h3>

Your information is incomplete as the table isn't given. Therefore, an overview will be given.

A demand curve simply means a graphical representation of the relationship between price and quantity demanded.

In this case, a demand curve shows the quantity demanded of a product at each price. The profit maximizing price is when the marginal cost equals marginal revenue.

Learn more about demand curve on:

brainly.com/question/1486483

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11. 4 + 10 = 14 
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