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insens350 [35]
3 years ago
12

N(17+x)=34x-r solve for x

Mathematics
2 answers:
Alenkinab [10]3 years ago
6 0

Step-by-step explanation:

N(17+x)=34x-r\\17N+Nx=34x-r\\Nx-34x=-r-17N\\x(N-34)=-r-17N\\x=\frac{-r-17N}{N-34}

DochEvi [55]3 years ago
3 0

Answer: Move all terms to the left side and set equal to zero. Then set each factor equal to zero.

x = -\frac{17N+r}{N-34}

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Answer:

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Step-by-step explanation:

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2 years ago
Steve wants to know what the average ACT scores of students graduated from his high school is. He randomly selected 25 students
beks73 [17]

Answer:

[a]. sample is 25 randomly selected students

    also population is all students

[b]. (20.0, 23.0)

[c]. (8.8, 24.2)

Step-by-step explanation:

here is a step by step process to solving this, i hope you find this helpful.

1). The population is all students who graduated from his school  while the

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2). given alpha = 1-0.86=0.14

critical z value(two tailed) for 86% confidence level is:

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Margin of error=1.476*(4.6/SQRT(20))=1.5

86% confidence interval for population mean

=21.5+/-1.5

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3). if population standard deviation is not known,we will use t distribution.

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95% confidence interval for population mean

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cheers i hope this helps!!!!

3 0
3 years ago
6th grade please help!​
creativ13 [48]

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6 0
3 years ago
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3 years ago
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Nana76 [90]

Answer:

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hope this helps!!

3 0
3 years ago
Read 2 more answers
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