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Natalka [10]
3 years ago
7

Find the equation....?!!!

Mathematics
1 answer:
Kipish [7]3 years ago
8 0
It would just be
y =  \frac{4}{3} x
Let me know if you want an explanation
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6.30 dollars / 12 sodas = $0.525 cents each soda
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A superintendent of a school district conducted a survey to find out the level of job satisfaction among teachers. Out of 53 tea
frez [133]

Answer:

b. 1.15

Step-by-step explanation:

The z statistics is given by:

Z = \frac{X - p}{s}

In which X is the found proportion, p is the expected proportion, and s, which is the standard error is s = \sqrt{\frac{p(1-p)}{n}}

Out of 53 teachers who replied to the survey, 13 claim they are satisfied with their job.

This means that X = \frac{13}{53} = 0.2453

She find that the proportion of satisfied teachers nationally is 18.4%.

This means that p = 0.184

Standard error:

p = 0.184, n = 53.

So

s = \sqrt{\frac{0.184*0.816}{53}} = 0.0532

Z-statistic:

Z = \frac{X - p}{s}

Z = \frac{0.2453 - 0.184}{0.0532}

Z = 1.15

The correct answer is:

b. 1.15

5 0
4 years ago
A swimming pool is in the shape of a rectangular prism. the pool is 4 feet deep. its length is 4 times its width. the volume of
makvit [3.9K]
First you will have to use the equation length*width*height. The just plug in 4 for the height, then since the length is 4 times longer plug in 4x, and the width would just be x. SO your equation would be 4*4x*x=6400 ft^3. Then foil it out to get 16x^2=6400, then square root 6400 which will give you80, then divide by 16 so x=5 feet^3. That is your width but you length is 4 times that amount. So for length just do 4(5)=20 feet^3
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3 years ago
Please help with the screenshot
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Answer:

\sin(x)  =  \frac{16}{17}

Step-by-step explanation:

sin = opposite/ hypotenuse

8 0
3 years ago
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