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MrRa [10]
3 years ago
9

Please answer this correctly

Mathematics
2 answers:
Leya [2.2K]3 years ago
8 0

Answer:

Step-by-step explanation:

5

xxMikexx [17]3 years ago
3 0

Answer:

ya same  here 5

Step-by-step explanation:

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What is the exact amount of water our body contains?​
mr Goodwill [35]

Answer:

Up to 60% of the human adult body is water.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
FIND ASAP PLEASE. I NEED HELPP
docker41 [41]
I believe the answers are - option 2, 4, and 5.

a prokaryotic cell means “before nucleus” in greek. and from what i remember ( this may be wrong) they also are the ones that have the dna.

i hope this helps! sorry if any are incorrect.
4 0
2 years ago
A random sample of 85 group leaders, supervisors, and similar personnel at General Motors revealed that, on average, they spent
andreyandreev [35.5K]

Answer:

Step-by-step explanation:

From the information given,

Number of personnel sampled, n = 85

Mean or average = 6.5

Standard deviation of the sample = 1.7

We want to determine the confidence interval for the mean number of years that personnel spent in a particular job before being promoted.

For a 95% confidence interval, the confidence level is 1.96. This is the z value and it is determined from the normal distribution table. We will apply the following formula to determine the confidence interval.

z×standard deviation/√n

= 1.96 × 6.5/√85

= 1.38

The confidence interval for the mean number of years spent before promotion is

The lower end of the interval is 6.5 - 1.38 = 5.12 years

The upper end is 6.5 + 1.38 = 7.88 years

Therefore, with 95% confidence interval, the mean number of years spent before being promoted is between 5.12 years and 7.88 years

4 0
3 years ago
When A is divided by the sum of a certain number and 10, the result is the same as dividing 3 by the sum of that number and 4 .
tensa zangetsu [6.8K]

When A is divided: A /

By the sum of a certain number and 10: (n + 10)

When A is divided by the sum of a certain number and 10: A / (n + 10)

The result is the same as: =

Dividing 3: 3 /

By the sum of that number and 4: (n + 4)

The result is the same as dividing 3 by the sum of that number and 4: 3 / (n + 4).

Final Equation: A / (n + 10) = 3 / (n + 4)

To solve, we'll need to cross-multiply. Without knowing the value of A, however, the answer will not be a numerical value.

3(n + 10) = A(n + 4)

3n + 30 = An + 4A

30 - 4A = An - 3n

30 - 4A = n(A - 3)

n = (30 - 4A) / (A - 3)

If you know the value of A, then please plug it in to the value for n given above.

Hope this helps!

5 0
2 years ago
Read 2 more answers
How many ways can an IRS auditor select 3 of 9 tax returns for an audit?
Olegator [25]

Answer:

84ways

Step-by-step explanation:

This is a problem on combination. Combination has to do with selection. For example if r objects are to be selected from a pool of n objects, this can be done in nCr ways.

nCr = n!/(n-r)!r!

9C3= 9!/(9-3)!3!

9C3= 9!/(6)!3*2*1

9C3= 9*8*7*6!/(6)!6

9C3= 9*8*7*/6

9C3= 9*8*7*/6

9C3= 504/6

9C3= 84ways

8 0
3 years ago
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