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alexira [117]
2 years ago
11

The regression equation y equals negative 0.414 x plus 106.55 approximates the percent of people in an audience who finish watch

ing a documentary, y, given the length of the film in minutes, x.
Which percent is the best prediction for the percent of people in an audience who will finish watching a documentary that is 85 minutes long?


75%


71%


67%


32%
Mathematics
1 answer:
wolverine [178]2 years ago
4 0

Answer:

  (b)  71%

Step-by-step explanation:

Put the given value of x in the formula and do the arithmetic.

  -0.414(85) +106.55 = -35.19 +106.55 = 71.36

About 71% of the audience will finish watching the film.

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Yuliya22 [10]

Answer:

the thousands

Step-by-step explanation:

7 is millions

4 is hundred thousands

9 is ten thousands

1 is thousands

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7 0
3 years ago
If $2940 is invested at 3.2% compounded quarterly, how much is in the account after 8 years?
tino4ka555 [31]

Answer:

The future value is $3793.776

Step-by-step explanation:

Given

PV = 2940 --- present value

r = 3.2\% --- rate

t = 8 --- time

n = 4 --- quarterly

Required

Determine the future value

This is calculated using:

FV = PV(1 + \frac{r}{n})^{nt

So, we have:

FV =2940 * (1 + \frac{3.2\%}{4})^{4*8

FV =2940 * (1 + \frac{3.2}{400})^{32

FV =2940 * (1 + 0.008)^{32

FV =2940 * (1.008)^{32

FV =2940 * 1.2904

FV =3793.776

3 0
2 years ago
Five and one half of 2 and one third is what number?
labwork [276]

Given:

Five and one half of 2 and one third.

To find:

The number for the given statement.

Solution:

Five and one half = 5\dfrac{1}{2}

2 and one third = 2\dfrac{1}{3}

The given statement is five and one half of 2 and one third.

Here, the word "of" is used for multiplication.

So, the expression for the given statement is:

5\dfrac{1}{2}\times 2\dfrac{1}{3}

=\dfrac{10+1}{2}\times \dfrac{6+1}{3}

=\dfrac{11}{2}\times \dfrac{7}{3}

=\dfrac{77}{6}

Therefore, the required number is \dfrac{77}{6}.

8 0
2 years ago
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4 0
2 years ago
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Masja [62]

Let, that number = x

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18 is 45% of 40

45%/100 = 0.45

0.45*40=18

6 0
3 years ago
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