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kozerog [31]
3 years ago
12

You want to know the type of music listened to by 15- to 20-year-olds. Which of the following surveys is biased?

Mathematics
1 answer:
Liula [17]3 years ago
6 0
 Arguably, all of them are at least somewhat biased, but the most biased would be <span>surveying people 15 to 20 years old leaving a concert </span>  because being at a concert would be highly correlated with liking the type of music played at that concert.
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Marta invested $5, 425 in the stock market and earned 8.5% interest. How much money will Marta have in her account after one yea
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Answer:

Future Value= $5,886.13

Step-by-step explanation:

Giving the following information:

Initial investment (PV)= $5,425

Number of periods (n)= 1 year

Interest rate (i)= 8.5% = 0.085

<u>To calculate the future value after one year, we need to use the following formula:</u>

<u></u>

FV= PV*(1+i)^n

FV= 5,425*(1.085^1)

FV= $5,886.13

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Interoperate your solution in the context of the problem.<br> f(10)=1.75r+9
iVinArrow [24]

Answer:

Simplifying

f(r) = 5 + 1.75r

Multiply f * r

fr = 5 + 1.75r

Solving

fr = 5 + 1.75r

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by 'r'.

f = 5r-1 + 1.75

Simplifying

f = 5r-1 + 1.75

Reorder the terms:

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Step-by-step explanation:

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4 years ago
what is the volume of a cylinder with height of 9 inches and the the radius is 1 inch. round to the nearest cubic inch
poizon [28]

Answer:

Step-by-step explanation:

Volume of cylinder can be calculated by using the formula V= pir^2h

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Substituting the given values :

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Volume of cylinder rounded to nearest tenth is 28.27 cubic inches .

6 0
4 years ago
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