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3 years ago

Can someone help solve number 14 and 15 please

Mathematics

1 answer:

Kryger [21]3 years ago

4 0

Answer:

14: A

15: A

Step-by-step explanation:

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Q. If the vertex of a parabola is (3,5), what is the axis of symmetry?

ASHA 777 [7]

Answer:

x=5

Step-by-step explanation:

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4 years ago

1.) A population of a town increases from 15,000 at an annual rate of 2% per year. Write a model that describes the population o

lesantik [10]

Answer:

Let Y represent Years. (300 x Y) + 15000.

Step-by-step explanation: Well, 2 percent of 15000 is 300, so per year the populations increases by 300 people.

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3 years ago

The Bureau of Labor Statistics reported that the average yearly income of dentists in the year 2009 was $110,000. A sample of 81

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88876

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3 years ago

an inverted cone has a height of 11 inches and an initial radius of 18 inches. the volume of the inverted cone is decreasing at

joja [24]

Radius of cone is decreasing at the rate of $\frac{1623}{110\pi}$ inches

What is rate of change?

Suppose there is a function and there are two quantities. If one quantity of a function changes, the rate at which other quantity of the function changes is called rate of change of a function.

Here rate of change of radius of cone has been calculated

Radius of cone = 18 inches

Height of cone = 11 inches

Volume of cone (V) = $\frac{1}{3} \pi r^2h$

$\frac{dV}{dt} = \frac{1}{3} \pi h (2r\frac{dr}{dt})\\-541 = \frac{2}{3} \pi \times 11\times 5\times\frac{dr}{dt}\\\frac{dr}{dt} = -\frac{541 \times 3}{2 \times \pi \times 11 \times 5}\\\frac{dr}{dt} = -\frac{1623}{110 \pi}$

Radius of cone is decreasing at the rate of $\frac{1623}{110\pi}$ inches

To learn more about rate of change, refer to the link-

brainly.com/question/24313700

#SPJ4

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2 years ago

C=Wtc/1000 for W please I need help it's algebra

DedPeter [7]

C1000÷ct=w

you pretty much ×1000 and then ÷t and c

3 0

3 years ago