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3 years ago

If the slope of a line is 2/3 and a point on that line is (1 , 6), what is another point on the line

Mathematics

1 answer:

Arisa [49]3 years ago

6 0

Answer:

(2, 20/3)

Step-by-step explanation:

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In a random sample of 30 people who rode a roller coaster one day, the mean wait time is 46.7 minutes with a standard deviation

Rainbow [258]

Answer: C. $(29,\ 37.8)$

Step-by-step explanation:

The confidence interval for difference of two population mean is given by :-

$\overline{x}_1-\overline{x}_2\pm z_{\alpha/2}\sqrt{\dfrac{s_1^2}{n_1}+\dfrac{s_2^2}{n_2}}$

Given : Level of significance : $1-\alpha:0.99$

Then , significance level : $\alpha: 1-0.99=0.01$

Critical value : $z_{\alpha/2}=z_{0.005}=2.576$

$n_1=30\ ;\ n_2=50\\\\\overline{x}_1=46.7\ ;\ \overline{x}_2=13.3\\\\s_1=9.2\ ;\ s_2=1.9$

$46.7-13.3\pm(2.576)\sqrt{\dfrac{9.2^2}{30}+\dfrac{1.9^2}{50}}\approx33.4\pm4.38=(29.02\ ,37.78)\approx(29,\ 37.8)$

Hence, a 99% confidence interval for the difference between the mean wait times of everyone who rode both rides $(29,\ 37.8)$

5 0

3 years ago

I need help with this logic puzzle,

natka813 [3]

I cannot reach a meaningful solution from the given information. To prove that S was always true, you would have to prove that N was always false. To prove that N was always false you would have to prove that L was always false. For the statement (L ^ T) -> K to be true, you only need K to be true, so L can be either true or false.
Therefore, because of the aforementioned knowledge, I do not believe that you can prove S to be true.

3 0

3 years ago

If m∠2 = 137 and m∠P = 22, what is m∠O?

Katyanochek1 [597]

Answer:

The answer is 21

Step-by-step explanation:

This should help you

8 0

2 years ago

I want to get rid of my points and give back to the community of brainly its helped me so much and i and just wanted to say than

Ede4ka [16]

Answer:

TYSM>> I LOVE YOU>> AS A BRAINLY FRIEND

Step-by-step explanation:

6 0

3 years ago

If a rectangular prism with a length of 12 feet and width of 9 feet has a surface area of 930 square feet, find its height.

MaRussiya [10]

Answer:

17 feet

Step-by-step explanation:

A=2(wl+hl+hw)

5 0

3 years ago

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