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4 years ago

Passes through (3,4) and (5, -4)

Mathematics

2 answers:

Mice21 [21]4 years ago

5 0

Y = -4x + 16 is the equation.

Masteriza [31]4 years ago

4 0

Move 3 to the left and go 5 up and stop at 4

Hope this helps!!!!!!

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If you do you stand on 1 foot for two minutes and his friend Tim stand on one leg for 75 seconds how many more seconds did his f

Rzqust [24]

Answer:

Step-by-step explanation:

120-75=45

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4 years ago

Write an expression that is equivalent to 3(7+).

BigorU [14]

Answer:

21+3x

Step-by-step explanation:

3(7+x)

3*7+3*X

21+3x

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3 years ago

Please help with these. Show all work. Thanks in advance

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3 years ago

Direct mail advertisers send solicitations ("junk mail") to thousands of potential customers in the hope that some will buy the

Arte-miy333 [17]

Answer:

The 90% confidence interval for the percentage of people the company contacts who may buy something is between 10.82% and 14%

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

For this problem, we have that:

$n = 1160, \pi = \frac{144}{1160} = 0.1241$

90% confidence level

So $\alpha = 0.1$ , z is the value of Z that has a pvalue of $1 - \frac{0.1}{2} = 0.95$ , so $Z = 1.645$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.1241 - 1.645\sqrt{\frac{0.1241*0.8759}{1160}} = 0.1082$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.1241 + 1.645\sqrt{\frac{0.1241*0.8759}{1160}} = 0.14$

The 90% confidence interval for the percentage of people the company contacts who may buy something is between 10.82% and 14%

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3 years ago

In how many ways can a committee of 6 be formed from 18 people ? Assuming that, when people are chosen for a committee, the orde

Oksanka [162]

Step-by-step explanation:

I think in 3 ways because total number of people is 18 and the committee should be of 6 so 18 ÷ 6 = 3

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3 years ago