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Arada [10]
3 years ago
14

If the length is 10 ft the width is 4 feet and the height is 8 feet what is the surface area​

Mathematics
1 answer:
astraxan [27]3 years ago
5 0

if you're solving for the surface area of a rectangular prism then it's 304 :D

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Enrollment in French class at a high school is 0.72 of enrollment in Spanish class. What is enrollment in French class compared
emmasim [6.3K]

72%, 28%

1-0,72=0,38

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7 0
3 years ago
A researcher surveyed 150 high school students and found that 68% played a musical insturment. What would be a reasonable range
maria [59]

Answer:

The reasonable range for the population mean is (61%, 75%).

Step-by-step explanation:

The interval estimate of a population parameter is an interval of values that consist of the values within which the true value of the parameter lies with a certain probability.

The mean of the sampling distribution of sample proportion is, \hat p.

One of the best interval estimate of population proportion is the 95% confidence interval for proportion,

CI=\hat p \pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}

Given:

n = 150

\hat p = 0.68

The critical value of <em>z</em> for 95% confidence level is:

z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96

Compute the 95% confidence interval for proportion as follows:

CI=\hat p \pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}

     =0.68\pm1.96\sqrt{\frac{0.68(1-0.68)}{150}}\\\\=0.68\pm 0.0747\\\\=(0.6053, 0.7547)\\\\\approx (0.61, 0.75)

Thus, the reasonable range for the population mean is (61%, 75%).

5 0
3 years ago
How do I solve for B in the formula I=M/B+a<br><br>Is this correct: B=M/I -a
butalik [34]
Ya that's correct u got the right answer
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3 years ago
5n+2 (11-7n)=12+4 (n-4)
Inessa05 [86]
Does that make sense?
-Lucystudies

3 0
3 years ago
Is it possible for a system to have more than one solution? Explain your answer
Anastasy [175]
A linear system can have infinite solutions if both systems represent the same line. if a linear system down not represent the same line then it can only have one or no solutions. No solution is if the system is representing parallel lines and one solution represents an intersection of the two lines.  in a nonlinear system you can have infinite or up to a maximum of intersections as the highest degree of the systems.
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3 years ago
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