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sergiy2304 [10]
4 years ago
11

Find the mean. Z-score = -1.4 Standard Deviation: 7 x = 20

Mathematics
1 answer:
Umnica [9.8K]4 years ago
8 0

Answer:

9.6

Step-by-step explanation:

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Which of the equations
makkiz [27]
The correct answer is c. D might be seen as the right answer but c is correct. C is correct because x cancels out making it a no solution
8 0
3 years ago
Suppose IQ scores were obtained for 20 randomly selected sets of siblings . The 20 pairs of measurements yield x overbar equals9
solniwko [45]

Answer:

The answer to the best prediction is 115.04

Step-by-step explanation:

We have to:

x = 102

They also tell us that:

y = 5.9 + 1.07 * x

If we replace we have:

y = 5.9 + 1.07 * (102)

y = 115.04

Therefore, the best predicted value of ModifyingAbove and with caret given that the older child has an IQ of 102 is 115.04

7 0
3 years ago
What is 5^3 simplified? Please answer!!
victus00 [196]

Answer:

125

Step-by-step explanation:

5^3=5*5*5

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25*5=125

3 0
3 years ago
Read 2 more answers
3x -9 =7x + 12<br>Find X
Lorico [155]
Simple....

you have:

3x-9=7x+12

To even solve this....isolate the variable your are trying to solve for....

3x-9=7x+12
-3x    -3x

-9=4x+12

-9=4x+12
-12     -12

-21=4x

Simplify.....

\frac{-21}{4} = \frac{4x}{4}

\frac{-21}{4} =x

Thus, your answer.

5 0
3 years ago
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