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Naya [18.7K]
3 years ago
8

Given a circle with a radius of 22 inches, what is the circumference in terms of π?

Mathematics
2 answers:
Mars2501 [29]3 years ago
5 0

Answer:

circumference = 2\pi \: r \\  = 2 \times \pi \times 22 \\  = 44\pi \: inches

saw5 [17]3 years ago
3 0

Answer:

The circumference is 44 pi.

Step-by-step explanation:

You have to use the formula, C=2 Pi R but since it's in terms of pi, we can not include pi in the equation. 2 times r (radius) is 44, therefor the answer is 44 pi.

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Step-by-step explanation:

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You know that 15% of a number n is 12. How can you use this to find 30% of n? 45% of n? Explain.
Keith_Richards [23]
30% is 24
45% is 36
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5 0
3 years ago
What is the negative exponent of 1 / 49
jekas [21]
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6 0
3 years ago
The function P(t)=87,000e^0.106t models the population of a city, t years after 2010. How many people lived in the city in 2010?
Bumek [7]

Answer:

87,000 ; 10.6%

Step-by-step explanation:

Given the function :

P(t)=87,000e^0.106t

P(t) is an exponential function ; comparing the given function to the general form of an exponential function :

y = Ae^rt

Where,

A = initial amount ; r = growth rate ; t = time

The Given function models t years after 2010, that is the 2010 population is the initial population of the city.

Comparing the general exponential equation with the function given:

A = 87,000 = population of city in 2010

The growth rate :

rt from the general equation compares to 0.106t in the given function.

rt = 0.106t

r = 0.106

Hence, the rate of change = 0.106 * 100% = 10.6%

3 0
2 years ago
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