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castortr0y [4]
3 years ago
11

Describe in your own words "closed operations.

Mathematics
2 answers:
Deffense [45]3 years ago
7 0
Closed operations is like closing the doors or ending a certain operation that was once ongoing.
const2013 [10]3 years ago
6 0

Answer:

Closed means to closed the doors

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Need help please ????
Yuki888 [10]

Answer:

The answer is 12

Step-by-step explanation:

36/9 = 4

4 x 3 = 12

7 0
3 years ago
A ship has 1400 people on board. There are 200 more adults than children. How many children are on the ship?
kenny6666 [7]

So,

1400 people in total. Though, subtract 200 for the amount of extra adults. This makes 1200. Divide that by two. You get 600

You need to add 200 to the 600 to get the amount of adults. The amount of adults on board is 800.

The amount of children on board is 600.

600 plus 800 equals 1400, it makes sense. :P

3 0
3 years ago
Which function in Excel is used to perform a test of independence? a. T.TEST b. CHISQ.TEST c. NORM.S.DIST d. Z.TEST
denis23 [38]

Answer:

b. CHISQ.TEST

Step-by-step explanation:

Notation and previous concepts

A chi-square test is "used to test if the variance of a population is equal to a specified value. This test can be either a two-sided test or a one-sided test. The two-sided version tests against the alternative that the true variance is either less than or greater than the specified value"

The statistic is given by:

\chi^2 = \sum_{i=1}^n \frac{(O_i-E_i)^2}{E_i}

In order to calculate the p value we need to have in count the degrees of freedom , on this case df=(rows-1)(#cols-1). And we can calculate the p value would be given by:

p_v =P(\chi^2 >\chi^2_{calc})

But the correct comand is given by:

b. CHISQ.TEST(Actual range, Expected range)

We just need to put in one column the Observed values and in other the expectec values.

3 0
3 years ago
What is the fractional value of A?
Fofino [41]

Answer:

2/5 because there is 5 spots and A is the second one on the number line

8 0
2 years ago
What is the value of tanX?<br><br> 8/9<br> 9/8<br> 8/15<br> 15/8
spin [16.1K]
Is this the image? If so, sorry I can't do this lol

6 0
3 years ago
Read 2 more answers
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