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olga nikolaevna [1]
3 years ago
7

The sum of two numbers is 52 . The larger number is 12 more than the smaller number. What are the numbers?

Mathematics
1 answer:
son4ous [18]3 years ago
6 0
this is the answer 40 + 32
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A study of the impact of executive networking on firm performance measured firm performance as annual return on equity​ (ROE), r
vova2212 [387]

Answer:

The value of ROE that will be exceeded by 78​% of the firms is -1.77%.

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 problem, we have that:

The mean ROE for the firms studied was 14.93​% and the standard deviation was 21.74​%. This means that \mu = 0.1493, \sigma = 0.2174

What value of ROE will be exceeded by 78​% of the​ firms?

This is the value of X when Z has a pvalue of 1-0.78 = 0.22.

This is Z = -0.77

So:

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

-0.77 = \frac{X - 0.1493}{0.2174}

X - 0.1493 = -0.77*0.2174

X = -0.0177

The value of ROE that will be exceeded by 78​% of the firms is -1.77%.

3 0
3 years ago
(5⁴)²?????? <br><br><br>A:5⁶<br>B:5⁸<br>C:20²<br>D:25⁸​
ArbitrLikvidat [17]

Answer:c 20

Step-by-step explanation:

4 0
3 years ago
How do you round 60.95 to the nearest whole number ? What will it become
Nuetrik [128]
It will become 61
because anything above 0.5 rounds up
5 0
3 years ago
Read 2 more answers
Whats the action “verb of the boy runs into the woods”? Please help
Brilliant_brown [7]

Answer:

the boy runs onto the woods

Step-by-step explanation:

verb: a word that describes an action

so the answer is runs

4 0
3 years ago
Answer fast please!!!!
MrMuchimi

Answer:

6z + 9

Step-by-step explanation:

distribute 3/4 by 8z to get 6z

distribute 3/4 by 12 to get 9

4 0
2 years ago
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