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Gnoma [55]
3 years ago
9

- 6(x + 2) = 30 - 6(x + 2) = 30 - 6x + (- 12) = 30 The solution is -

Mathematics
2 answers:
RSB [31]3 years ago
7 0

Answer:

-7

Step-by-step explanation:

djverab [1.8K]3 years ago
6 0

Answer :
x = -7



Step-by-step explanation:


- 6(x + 2) = 30
- 6(x + 2) = 30
- 6x + (- 12) = 30
-6x -12 = 30
-6x = 30 +12
-6x =42
x = 42/-6
x = -7
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Do 5/7 and 30/42 form a proportion
GREYUIT [131]
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4 0
3 years ago
A square picture with a side length of 4 inches needs to be enlarged. The final area needs to be 81 square inches.
gizmo_the_mogwai [7]

Answer:20.25

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If you do 81 divided by 4

I think Im not sure

8 0
3 years ago
A polling organization asked a nation-wide random sample of 1600 new brides (those who got married in the past 2 years) the foll
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Answer:

It has millions of tickets. On each ticket is written a number a dollar amount. The exact average and SD are unknown but are estimated from the sample to be $20,000 and $5,000 respectively.

Step-by-step explanation:

Given that:

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sample mean \overline x = 20000

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The objective is to choose from the given option about what most closely resembles the relevant box model.

The correct answer is:

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However, if draws are made without replacement, the best estimate of the average amount for the bride will be $20,000

Similarly, the standard error for the sample mean = \dfrac{s}{\sqrt{n}}

= \dfrac{5000}{\sqrt{1600}}

= \dfrac{5000}{40}}

the standard error for the sample mean = 125

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Rudiy27
Your answer is gonna be 8
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