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kykrilka [37]
2 years ago
12

Scores on a history test have average of 80 with standard deviation of 6. What is the z-score for a student who earned a 74 on t

he test? Round your answer to the nearest thousandth.
Mathematics
1 answer:
Olegator [25]2 years ago
5 0

Answer:

12

Step-by-step explanation:

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How do i delete my question?
lys-0071 [83]

Answer:

Unfortunately, you cannot delete the question.

Step-by-step explanation:

Unfortunately, you cannot delete the question. Once a question or an answer has been submitted, you can only edit the question/answer for 30 minutes. Once this timeframe is over it can no longer be edited at all. This however does not include deleting the question/answer. The only possible way to delete a question is if it is flagged for whatever reason as going against the website's policy or by getting in contact with an administrator/moderator and having them remove the question.

8 0
2 years ago
Help will give brainiest
Fynjy0 [20]

Answer:

n=R

Step-by-step explanation:

f(n)=9n+1

4 0
3 years ago
Distributive property pls helpp
GaryK [48]

9514 1404 393

Answer:

  • 4
  • 16

Step-by-step explanation:

If you consider matched parentheses to identify the contents of a "bag", the multiplier outside parentheses tells you how many bags you have. When you use the distributive property, you effectively dump all those bags on the table.

Here, the expression 4(6v +4) tells you there are 4 bags and each one contains 6v and 4. When you open them all up, you have ...

  4(6v +4) = 6v +6v +6v +6v +4 +4 +4 +4

Of course, we can use multiplication to simplify repeated addition, so we can also write this as ...

  4(6v +4) = 4·6v +4·4 = 24v +16

The numbers that go in your boxes are identified by their bold font style.

5 0
2 years ago
A rectangle width is one fourth it’s length, outs are is 9 square units. The equation I(1/4I)=9 can be used to find I, the lengt
OlgaM077 [116]

Answer:

The length of rectangle is 6 units and the width is 1.5 units

Step-by-step explanation:

Let

L -----> the length of rectangle

W ----> the width of rectangle

we know that

The area of rectangle is equal to

A=LW

we have

A=9\ units^{2}

so

9=LW -----> equation A

A rectangle width is one fourth it’s length

so

W=\frac{1}{4}L ----> equation B

substitute equation B in equation A and solve for L

9=L(\frac{1}{4}L)

L^{2}=9*4

L^{2}=36

take square root both sides

L=6\ units

Find the value of W

W=\frac{1}{4}(6)

W=1.5\ units

5 0
3 years ago
Reflect order pair (-2, 5) over y=-x
vesna_86 [32]

When reflecting over y = -x

The x and y values change places and the signs change.

(-2,5) becomes (-5,2)

8 0
3 years ago
Read 2 more answers
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