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2 years ago

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PLEASE HELP WILL GIVE BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLI

EST BRAINLIEST BRAINLIEST (MERRY CHRISTMAS!!!!)

2 answers:

alexandr1967 [171]2 years ago

4 0

Answer:

144

Step-by-step explanation:

8090 [49]2 years ago

3 0

Answer:

144 ft

Step-by-step explanation:

You might be interested in

What is the answer of it

polet [3.4K]

The correct answer is A. 15,200.00

Explain

E= 1 -x/p

X= 293

P= 473 k

E= 1 -x/p = 1 - 293/473. = 0.38

So now E= 0.38 —> 38%

40, 000,000 x 0.38 = 15, 200, 000

Hope this help you

Stay safe :D

7 0

3 years ago

Read 2 more answers

You have a recipe for coconut cookies. The recipe makes 20 cookies. You need 100 cookies for a bake sale. Increase the recipe pr

lozanna [386]

Answer:

repeat this 5 times

Your welcome

7 0

2 years ago

A medical researcher needs 6 people to test

nadezda [96]

$\boldsymbol{\mathbf{Answer}}$

$\boldsymbol{\mathbf{1235520\,different\, ways\,can\,six\, people\,be\, selected}}$

$\boldsymbol{\mathbf{Step-by-step explanation}}$

A medical researcher need to select 6 people out of 13 people who have volunteered for the test in

To find, how many ways can 6 people be selected.

= ${13}\times{12}\times{11}\times{10}\times{9}\times{8}$

=

$\boldsymbol{\mathbf{= 604800 ways}}$

$\boldsymbol{\mathbf{1235520\,different\, ways\,can\,six\, people\,be\, selected}}$

4 0

2 years ago

Consider a normal distribution curve where the middle 85 % of the area under the curve lies above the interval ( 8 , 14 ). Use t

NeTakaya

Answer:

$\mu = 11$

$\sigma = 2.08$

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Middle 85%.

Values of X when Z has a pvalue of 0.5 - 0.85/2 = 0.075 to 0.5 + 0.85/2 = 0.925

Above the interval (8,14)

This means that when Z has a pvalue of 0.075, X = 8. So when $Z = -1.44, X = 8$ . So

$Z = \frac{X - \mu}{\sigma}$

$-1.44 = \frac{8 - \mu}{\sigma}$

$8 - \mu = -1.44\sigma$

$\mu = 8 + 1.44\sigma$

Also, when X = 14, Z has a pvalue of 0.925, so when $X = 8, Z = 1.44$

$Z = \frac{X - \mu}{\sigma}$

$1.44 = \frac{14 - \mu}{\sigma}$

$14 - \mu = 1.44\sigma$

$1.44\sigma = 14 - \mu$

Replacing in the first equation

$\mu = 8 + 1.44\sigma$

$\mu = 8 + 14 - \mu$

$2\mu = 22$

$\mu = \frac{22}{2}$

$\mu = 11$

Standard deviation:

$1.44\sigma = 14 - \mu$

$1.44\sigma = 14 - 11$

$\sigma = \frac{3}{1.44}$

$\sigma = 2.08$

7 0

2 years ago

Solve by elimination method : x - y = 2 , x + y = 12.

aalyn [17]

Answer: (7,5) X=7 and Y=5

Explanation:

Add the two equations together to eliminate y from the system.

x-y=2 + x+y=12
= 2x = 14

Divide both sides by 2

x=7

Substitute the value found for x into one of the original equations to solve for y

(7)-y=2

Move all terms to one side to make it easier

-y=2-7

Subtract

y=5

4 0

3 years ago