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FromTheMoon [43]
3 years ago
14

Find the distance between the lines 2x +y = 10 and 2x + y = -5. Write your answer as a simplified radical.

Mathematics
1 answer:
Ksivusya [100]3 years ago
4 0

Answer:

hhUHUSDH

Step-by-step explanation:

JHYGTFRDFGVHBJNKI

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proportional because 1*5/3*5=5/15

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If 30 kids in the class like grape juice, how many<br> kids like pineapple juice?
lbvjy [14]

Sorry, I'm going to need a more accurate question. How many kids are there in total?

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3 years ago
A cook mixes 4 pounds of rice into 5 quarts of boiling water.
professor190 [17]
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Read 2 more answers
A survey of 865 voters in one state reveals that 408 favor approval of an issue before the legislature. Construct the 95% confid
katrin [286]

Answer:

The 95% confidence interval for the true proportion of all voters in the state who favor approval is (0.4384, 0.5050).

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 = 865, \pi = \frac{408}{865} = 0.4717

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.4717 - 1.96\sqrt{\frac{0.4717*0.5283}{865}} = 0.4384

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.4717 + 1.96\sqrt{\frac{0.4717*0.5283}{865}} = 0.5050

The 95% confidence interval for the true proportion of all voters in the state who favor approval is (0.4384, 0.5050).

6 0
3 years ago
Dustin collects football cards.
Setler79 [48]
<em>Total Price = 3+5+5+8+8+10+10+10+40 = 99

</em>
\frac{99}{9} =11<em>
</em>
6 0
3 years ago
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