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Dafna11 [192]
3 years ago
7

Can someone help me on this question quick please

Mathematics
2 answers:
mojhsa [17]3 years ago
7 0

Answer:

its the one thats right

Step-by-step explanation:

Anon25 [30]3 years ago
4 0
It’s Mai …………………………..
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Suppose that a normal distribution has a mean of 20 and a standard deviation of 4. What is the z-score of 13?
Papessa [141]

Answer:

-1.75.

Step-by-step explanation:

The z-score = (n - m) / d  where n is the value (13) m = mean and d = standard deviation.

= (13 - 20) / 4

= -1.75  (answer)

5 0
3 years ago
HURRY!! I need the answer. The assignment closes soon.
saul85 [17]

Answer: option 3

Step-by-step explanation:

4 0
3 years ago
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A crew of highway works paved 1/5 mile in 1/8 hour if they work at the same rate how much will they pave in one hour
Allushta [10]

Answer:

a 1.6 miles

Step-by-step explanation:

1/8 hour=7.5

60/7.5=8

1/5*8=1.6

4 0
3 years ago
Solve the inequality 3(x + 2) > 0.
Murljashka [212]

Answer:

B.) x>-2

Step-by-step explanation

3 0
3 years ago
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Robert is a high school basketball player. In a particular game, he made some three point shots and some free throws (worth one
Oksanka [162]

Answer:

let t = number of three-point shots

let f = number of free throw shots

Step-by-step explanation:

t + f = 9      (he made a total of 9 shots altogether)

3t + 1f = 23   (number of shots multiplied by their point value)

substitution method:   t = 9 - f

                                    3(9 - f) + f = 23

                                     27 - 3f + f = 23

                                      -2f = -4

                                         f = 2

find 't':                               t + 2 = 9

                                         t = 7

                                         

8 0
3 years ago
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