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photoshop1234 [79]
3 years ago
13

Simplify 3^8 ÷ 3^2 A. 3^4 B. 3^10 C. 3^6 D. 3^6

Mathematics
2 answers:
Mice21 [21]3 years ago
5 0
D is your correct answer
olga_2 [115]3 years ago
3 0

Answer: 3^6 so D or C

Step-by-step explanation:

When dividing two squares, you minus the number

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Rita built a toy box. She first cut out all the pieces she would need by using the pattern shown. Based on the pattern, which ph
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Answer:

C.

Step-by-step explanation:

A rectangular prism with a box top.

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3 years ago
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Find the x−and y−intercepts.
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(4,-8/5)

Step-by-step explanation:

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The time that it takes a randomly selected job applicant to perform a certain task has a distribution that can be approximated b
storchak [24]

Answer:

A task time of 177.125s qualify individuals for such training.

Step-by-step explanation:

Problems of normally distributed samples can be 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}

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. Subtracting 1 by the pvalue, we This p-value is the probability that the value of the measure is greater than X.

In this problem, we have that:

A distribution that can be approximated by a normal distribution with a mean value of 145 sec and a standard deviation of 25 sec, so \mu = 145, \sigma = 25.

The fastest 10% are to be given advanced training. What task times qualify individuals for such training?

This is the value of X when Z has a pvalue of 0.90.

Z has a pvalue of 0.90 when it is between 1.28 and 1.29. So we want to find X when Z = 1.285.

So

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

1.285 = \frac{X - 145}{25}

X - 145 = 32.125

X = 177.125

A task time of 177.125s qualify individuals for such training.

7 0
3 years ago
Determine the smallest integer that makes – 3.2 + 7 - 52 < 15 true.
Natalija [7]

Answer:

-3.2 is the smallest integer  

Step-by-step explanation:

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2 years ago
Use complete sentences to describe the domain of the cosine function.
Hatshy [7]
The domain of a function is the set of the possible input values of the function. For example: consider the function f(x) = cos x, the domain of the function is the set of possible values of x.

The cosine function takes x values from all real numbers.

Therefore, the domain of the cosine function is a real numbers.
6 0
3 years ago
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