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monitta
2 years ago
8

Heres another on i only have 2 try's I will give you 50 points

Mathematics
2 answers:
____ [38]2 years ago
3 0

Answer:

72

Step-by-step explanation:

bacause the equation of area of square is a^2 and 12×12=144 so each side is 12 feet and the height is 6 making it 12×6 so 72 square feet

olchik [2.2K]2 years ago
3 0

Answer:

66 sq

Step-by-step explanation:

144-6-6=132

132/2=66 sq

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Order the numbers from greatest to least 1/4 5/8 3/16
Rudik [331]

Answer:

5/8, 1/4, 3/16

Step-by-step explanation:

Put them all into sixteenths:

4/16, 10/16, 3/16

Order numbers:

10/16, 4/16, 3/16

Or

5/8, 1/4, 3/16

Hope this helps! :)

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What was the purpose of the coordinate graphing system described by Descartes in his book Discourse on Method?
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To use algebraic methods to solve geometric problems.
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Kaleb’s gross semimonthly pay is $1670. To maintain his current lifestyle, how much should he save up by the time he retires? $1
Nitella [24]

Answer:

The correct answer is $400,800

Step-by-step explanation:

I just took the test and this is the correct answer.

8 0
3 years ago
How do I write the sum of 24+40 as a product of the greatest common factor and another sum
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Answer is 64 and a factor is 6/4 .
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3 years ago
Suppose a batch of metal shafts produced in a manufacturing company have a population standard deviation of 1.3 and a mean diame
lbvjy [14]

Answer:

54.86% probability that the mean diameter of the sample shafts would differ from the population mean by more than 0.1 inches

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal probability distribution

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.

Central Limit Theorem

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this problem, we have that:

\mu = 208, \sigma = 1.3, n = 60, s = \frac{1.3}{\sqrt{60}} = 0.1678

What is the probability that the mean diameter of the sample shafts would differ from the population mean by more than 0.1 inches

Lesser than 208 - 0.1 = 207.9 or greater than 208 + 0.1 = 208.1. Since the normal distribution is symmetric, these probabilities are equal, so we find one of them and multiply by 2.

Lesser than 207.9.

pvalue of Z when X = 207.9. So

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

By the Central Limit Theorem

Z = \frac{207.9 - 208}{0.1678}

Z = -0.6

Z = -0.6 has a pvalue of 0.2743

2*0.2743 = 0.5486

54.86% probability that the mean diameter of the sample shafts would differ from the population mean by more than 0.1 inches

6 0
3 years ago
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