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Natasha2012 [34]
3 years ago
6

D

Mathematics
1 answer:
4vir4ik [10]3 years ago
3 0
28 should be added to make it a sub of zero
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Tips for Success Read the assignment carefully and make sure you answer each part of the question or questions Check your work w
Vanyuwa [196]

Answer:

What’s the answer

Step-by-step explanation:

?

7 0
2 years ago
The price-to-earning ratio for firms in a given industry is distributed according to normal distribution. In this industry, a fi
dmitriy555 [2]

Answer:

Option a)  Has an above average price-to-earning ratio                                            

Step-by-step explanation:

We are given the following in the question:

The price-to-earning ratio for firms in a given industry is distributed according to normal distribution.

For a particular firm the ratio x has a standard normal variable has a value,

z = 1

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

1 = \dfrac{x - \mu}{\sigma}\\\\\sigma = x - \mu\\x = \mu + \sigma

Thus, the firm has an above average price-to-earning ratio as the ratio is one standard deviation above the mean.

Option a)  Has an above average price-to-earning ratio

7 0
3 years ago
brooke has scores of 84,72,90,87, and 95 on her first five quizzes. After taking the sixth quiz, brookes mean score increased. w
masya89 [10]

Answer:

Any number above 85.6

Step-by-step explanation:

To calculate the mean you add all of the scores together then divide by how many scores you added

So in this case you would add 84 + 72 + 90 + 87 + 95 = 428

Then you would Divide 428 by five because you are adding 5 numbers

428/5 = 85.6

It says the score increased so as long as then score is greater than 85.6 it is an option.

8 0
3 years ago
Read 2 more answers
Bo Karah can run a race in 4 hours 33 minutes if he runs at 7 m/s. How long will it take in hours and minutes if
lidiya [134]

Answer:

7 hours and 9 minutes

Step-by-step explanation:

4 hours and 33 minutes is 273 minutes

7 m/s —> 273 minutes

11 m/s —> M

Criss cross to get M

11x273= 7M

3003=7M

M=429 minutes

==> 429 minutes is 7 hours and 9 minutes

8 0
2 years ago
PLEEEEEEEEEEEEEEEASE HELP ME WITH THIS! IT IS DUE TOMORROW!!!
Elis [28]

yes because m<1+m<4 = 180 degrees

6 0
3 years ago
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