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Nitella [24]
3 years ago
6

Because sample means were being tested the ____ is used to calculate the z-score

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
7 0

Answer: standard deviation

Step-by-step explanation:

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Please help quickly <br><br>Write a scenario to go with this equation. 5x - 2 = 28. ​
Mama L [17]

Answer:

Evelyn brought "x" apples for 5 dollars each. Then she has a discount for 2 dollars. The final total is 28. If "x" equals the number of apples, how many apples did she buy?

8 0
3 years ago
What is the correct answer to this question?<br><br> F/2=5/8
ANTONII [103]

Answer:

F = 1.25

Step-by-step explanation:

All you would have to do is cross multiply, so our equations starts at \frac{F}{2} = \frac{5}{8}. We would now multiply F by 8 and 2 by 5. We now have 8F = 10. We can now divide both sides of the equation by 8 to get F = 1.25.

4 0
3 years ago
There are 25 the ratio of girls to boys is 3 to 2 how many boys and how many girls are in class
Serhud [2]

Answer:

Step-by-step explanation:

Girls:Boys = 3 : 2

Total students = 25

Girls = (3/5) * 25 = 15

Boys = (2/5) * 25 = 10

8 0
3 years ago
An equation always, sometimes, never has one solution?
DiKsa [7]

Answer: An equation may have more than one solution, or the solution(s) may be complex, rather than real, but it will always have one solution - and sometimes more than one.

Step-by-step explanation:

3 0
3 years ago
Write the fact family for 5,8,and 40
Juli2301 [7.4K]
A fact family is basically just different equations with the same numbers getting the same/different numbers as answers you might say... 
this will make more sense: 
5x8=40
8x5=40
40/8=5
40/5=8
4 0
3 years ago
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