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3 years ago

What is 19 divided by 6

Mathematics

1 answer:

Vesnalui [34]3 years ago

6 0

Answer:

3,1/6

Step-by-step explanation:

6 goes into 19 3 times, and there is one left to get to 19.

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450 high school freshmen were randomly selected for a national survey. Among survey participants, the mean grade-point average (

umka21 [38]

Answer:

The margin of error is of 0.01.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1 - 0.7}{2} = 0.15$

Now, we have to find z in the Z-table as such z has a p-value of $1 - \alpha$ .

That is z with a pvalue of $1 - 0.15 = 0.85$ , so Z = 1.037.

The margin of error is of:

$M = z\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

Standard deviation was 0.21.

This means that $\sigma = 0.21$

Sample of 450:

This means that $n = 450$

What is the margin of error, assuming a 70% confidence level, to the nearest hundredth?

$M = z\frac{\sigma}{\sqrt{n}}$

$M = 1.037\frac{0.21}{\sqrt{450}}$

$M = 0.01$

The margin of error is of 0.01.

4 0

3 years ago

What is the measure of x in triangle ABC? A. 41° B. 61° C. 31° D. 51°

iogann1982 [59]

Answer:D.51

Step-by-step explanation:180-68-61=51

4 0

2 years ago

Read 2 more answers

9,032,504.75 in word form

vodka [1.7K]

Nine million thirty-two thousand five hundred four and seventy-five hundredths

6 0

3 years ago

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Express the ratio 2 to 3 and 8 to 9 in lowest terms

Alex73 [517]

$\dfrac{2}{3}:\dfrac{8}{9}=\left(9\cdot\dfrac{2}{3}\right):\left(9\cdot\dfrac{8}{9}\right)=(3\cdot2):(1\cdot8)\\\\=6:8=\dfrac{6}{2}:\dfrac{8}{2}=3:4\\\\Answer:\ \boxed{\dfrac{2}{3}:\dfrac{8}{9}=3:4}$

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3 years ago

Which pair of points is in the solution set for the system of linear inequalities below?

kirill [66]

2(x + y) or 2y+x or 2x(x + y)

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3 years ago