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MArishka [77]
2 years ago
11

Determine the length of AS. A. 12 B. 18 C. 3 D. 6

Mathematics
2 answers:
wolverine [178]2 years ago
6 0
I believe the answer would be 3
krek1111 [17]2 years ago
3 0

Answer:

C. 3

Step-by-step explanation:

2x+6

Divide 2 on both sides

x=3

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Scores on an exam follow an approximately Normal distribution with a mean of 76.4 and a standard deviation of 6.1 points. What p
klasskru [66]

Answer:

99.89% of students scored below 95 points.

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.

In this problem, we have that:

\mu = 76.4, \sigma = 6.1

What percent of students scored below 95 points?

This is the pvalue of Z when X = 95. So

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

Z = \frac{95 - 76.4}{6.1}

Z = 3.05

Z = 3.05 has a pvalue of 0.9989.

99.89% of students scored below 95 points.

5 0
3 years ago
Find the volume of the triangular prism. Round to the nearest tenth if necessary.
valina [46]

Answer:

i think the answer would be 53 CM

Step-by-step explanation:

8 0
2 years ago
N squared plus 11n plus 28
kotegsom [21]
If by factoring (n + 7) (n + 4)
6 0
3 years ago
6x&gt;42 see do steps<br> pls help me
Marina CMI [18]

Answer:x>7

Step-by-step explanation:

1. 6x>42

2. 6x/6>42/6

3. x>7

3 0
2 years ago
Read 2 more answers
URGENT TEST I HAVE!!!!
Lerok [7]

Answer:

I think they are asking the area of the triangle so we are going with that.

Step-by-step explanation:

Easiest way to do this is find the area of the incomplete square, and then cut that in half for the triangle.

so it is 4 cm wide

and 8 cm tall

length x width = area

8 x 4 = 32

32/2 = 16

So your answer should be 16 cm

6 0
3 years ago
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