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Flauer [41]
3 years ago
14

Name the congruent sides.

Mathematics
2 answers:
Scorpion4ik [409]3 years ago
7 0
B, if you look at the lines, CD, and XY are both the bottom of the triangles, etc.

olga nikolaevna [1]3 years ago
4 0
The answer is B.
Hope it helps!
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Which proportion represents the situation below?
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maybe it is 47 boys

Step-by-step explanation:

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1m=?cm what is it the question mark
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The question mark is 100. It is a variable if you don't know
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Scores for a civil service exam are normally distributed with a mean of 75 and a standard deviation of 6.5. To be eligible for c
kvasek [131]

Answer:

The lowest score you can earn and still be eligible for employment is 85.6925

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}

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 question, we have that:

\mu = 75, \sigma = 6.5

Top 5%.

At least the 100-5 = 95th percentile.

The 95th percentile is X when Z has a pvalue of 0.95. So X when Z = 1.645.

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

1.645 = \frac{X - 75}{6.5}

X - 75 = 1.645*6.5

X = 85.6925

The lowest score you can earn and still be eligible for employment is 85.6925

3 0
4 years ago
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What is the pattern in this sequence?
Daniel [21]

Answer:

Part A: Add

Part B: 8

Step-by-step explanation:

Each time it goes up by 8.

You can figure it out by: 9-1=8, 17-9=8.....

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Answer:

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Step-by-step explanation:

x + 5(x + 2)​

Distribute

x + 5x+10

Combine like terms

6x+10

Let x = 9

6(9) +10

54+10

64

8 0
3 years ago
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