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2 years ago

Can Someone help me As Soon As Possible Please

Mathematics

1 answer:

kenny6666 [7]2 years ago

4 0

Answer:

1. 15

2. 18

3. 30

4. 3

5. 6

6. 24

7. 14

8. 28

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During a rock concert, the noise level (in decibels) in front row seats has a mean of 92 dB with a standard deviation of 9 dg_ W

rodikova [14]

Answer:

The minimum percentage of noise level readings within 8 standard deviations of the mean is 98.44%.

Step-by-step explanation:

When we do not know the shape of the distribution, we use the Chebyshev's Theorem to find the minimum percentage of a measure within k standard deviations of the mean.

This percentage is:

$p = 1 - \frac{1}{k^{2}}$

Within 8 standard deviations of the mean

This means that $k = 8$ . So

$p = 1 - \frac{1}{8^{2}} = 1 - \frac{1}{64} = \frac{64 - 1}{64} = \frac{63}{64} = 0.9844$

The minimum percentage of noise level readings within 8 standard deviations of the mean is 98.44%.

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3 years ago

Which expressions are equivalent to the one below? Check all that apply.log(10^7)

maksim [4K]

The value of expression is 7.

<h3>What is expression?</h3>

An expression is a combination of numbers, variables, functions (such as addition, subtraction, multiplication or division etc.)

Given:

$log 10^{7}$

Now, using property of log

$log b^{a} =$ a log b

So,

$log 10^{7}$ = 7 log 10

As log 10 = 1

$log 10^{7}$ = 7 (1)

$log 10^{7}$ = 7

Learn more expression here:

brainly.com/question/14083225

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1 year ago

Factor expression 9x + 36y

topjm [15]

9(x+4y) is the answer

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2 years ago

I NEED HELP ON C,E,F,G PLEASE ASAP!!!!

Murrr4er [49]

Answer:
C. 364.4
E. 14
F. 21
G. 96°

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3 years ago

Tristan wants to build a square garden in his backyard. If the garden is going to be 64 ft squared, how many feet of material wi

elena-14-01-66 [18.8K]

$p = \ \sqrt{64} = 8$
$p = 8 \times 4 = 32$
$p = 32ft$

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3 years ago

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Can Someone help me As Soon As Possible Please ​

Can Someone help me As Soon As Possible Please