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Goshia [24]
3 years ago
6

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
8 0

Answer:

625

Step-by-step explanation:

Please mark as brainliest answer

DedPeter [7]3 years ago
6 0

value of f (4) = 625.

Hope it helps

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olga_2 [115]
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Explanation:
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8 0
2 years ago
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| -18 + 1| absolute value and helppplpllll​
muminat

Answer:

17

Step-by-step explanation:

| -18 + 1|

-18 + 1 = -17

So,

| -17| = 17

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zhuklara [117]

Answer:

Step-by-step explanation:

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3 years ago
A plane descends by 4500 ft in 5 minutes. What is the change in the planes elevation each minute
beks73 [17]
The plane will descend 900 ft every minute

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3 0
3 years ago
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A population is known to be normally distributed with a standard deviation of 2.8. (a) Compute the 95% confidence interval on th
Ugo [173]

Answer:

Step-by-step explanation:

Mean = sum of terms/number of terms

The mean of the given sample is

(8 + 9 + 10 + 13 + 14 + 16 + 17 + 20 + 21)/9 = 14.2

a)

For a confidence level of 95%, the corresponding z value is 1.96.

We will apply the formula

Confidence interval

= mean ± z ×standard deviation/√n

Where

n represents the number of samples

It becomes

14.2 ± 1.96 × 2.8/√9

= 14.2 ± 1.96 × 0.933

= 14.2 ± 1.83

The lower end of the confidence interval is 12.37

The upper end of the confidence interval is 16.03

b)

For a confidence level of 99%, the corresponding z value is 2.58

We will apply the formula

Confidence interval

= mean ± z ×standard deviation/√n

Where

n represents the number of samples

It becomes

14.2 ± 2.58 × 2.8/√9

= 14.2 ± 2.58 × 0.933

= 14.2 ± 2.4

The lower end of the confidence interval is 11.8

The upper end of the confidence interval is 16.6

3 0
3 years ago
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