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Lelu [443]
3 years ago
15

1. What is the equation in point-slope form of the line that has a slope of 1/3 and passes through the point (12, 5)?

Mathematics
1 answer:
Margaret [11]3 years ago
4 0

Answer:

45

Step-by-step explanation:

because the mass

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inessss [21]

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A software developer wants to know how many new computer games people buy each year. Assume a previous study found the standard
Marrrta [24]

Answer:

The minimum sample size required to ensure that the estimate has an error of at most 0.14 at the 95% level of confidence is n=567.

Step-by-step explanation:

We have to calculate the minimum sample size n needed to have a margin of error below 0.14.

The critical value of z for a 95% confidence interval is z=1.96.

To do that, we use the margin of error formula in function of n:

MOE=\dfrac{z\cdot \sigma}{\sqrt{n}}\\\\\\n=\left(\dfrac{z\cdot \sigma}{MOE}\right)^2=\left(\dfrac{1.96\cdot 1.7}{0.14}\right)^2=(23.8)^2=566.42\approx 567

The minimum sample size to have this margin of error is n = 567.

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3 years ago
The ratio of girls to boys in a boarding school is 2:7,if there are 1251 student in the school, how many of the student are girl
Y_Kistochka [10]

278 students are girls in this case.

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3 years ago
Read 2 more answers
Two houses on the same side of the street have house numbers that are consecutive
DochEvi [55]

Answer:

28 and 30

Step-by-step explanation:

'x' = 1st consecutive #

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3 0
2 years ago
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