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AnnZ [28]
2 years ago
14

THIS IS FREE MATH POINTS HELP ASAP PLS DONT BE WRONG AND PROVIDE EXAMPLE NEEED ASAP AND LAST ATTEMPT PLSSSSSSS!!!!!!!

Mathematics
1 answer:
Alja [10]2 years ago
5 0

Answer:

y=3/8x

Step-by-step explanation:

the others I don't want to type how I got the answers but B is the answer I got on being proportional

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Trever was 36 years old five years ago. How old is he now?
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He’s 41 now
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Reasoning A salesperson's commission rate is 6%. What is the commission from the sale of
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A meteorologist is studying the speed at which thunderstorms travel. A sample of 10 storms are observed. The mean of the sample
dezoksy [38]

Answer:

The 95% confidence interval for the true mean speed of thunderstorms is [10.712, 13.688].

Step-by-step explanation:

Given information:

Sample size = 10

Sample mean = 12.2 mph

Standard deviation = 2.4

Confidence interval = 95%

At confidence interval 95% then z-score is 1.96.

The 95% confidence interval for the true mean speed of thunderstorms is

CI=\overline{x}\pm z*\frac{s}{\sqrt{n}}

Where, \overline{x} is sample mean, z* is z score at 95% confidence interval, s is standard deviation of sample and n is sample size.

CI=12.2\pm 1.96\frac{2.4}{\sqrt{10}}

CI=12.2\pm 1.487535

CI=12.2\pm 1.488

CI=[12.2-1.488, 12.2+1.488]

CI=[10.712, 13.688]

Therefore the 95% confidence interval for the true mean speed of thunderstorms is [10.712, 13.688].

4 0
3 years ago
how many different angles would be formed by a transversal intersecting three parallel lines? How many different angle measureme
RSB [31]
You would get alternating interior and exterior angles, corresponding and consecutive angles, and vertical angles. There would be only two different angle measurements, which would add to 180 degrees, the degree of one straight line.
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A small town surveyed 250 adults, 180 of whom were parents, about whether a park should be expanded. The results showed that 150
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Answer:

Yes, the park should be expanded

Explanation:

180 adults said yes.

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70 people thought the park shouldn't be expanded, but there are more people who want the mark to expand.

8 0
2 years ago
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