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Anna007 [38]
2 years ago
9

A total of 384 tickets were sold for the school play. they were either adult tickets or student tickets. The number of student t

ickets sold was two times the number of adult tickets sold. how many adult tickets were sold
Mathematics
2 answers:
olganol [36]2 years ago
8 0
128 because 128 times 2 is 256 children tickets and 256 plus 128 is 384
lisabon 2012 [21]2 years ago
8 0
256 children tickets. 128 times 2 is 256
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Alexus [3.1K]

Answer:

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Step-by-step explanation:

-4.53 -5.43

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2 years ago
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#19<br> The distance between the points (4, 1) and (9, 1) is
kirill115 [55]

Hello!

Given the two points, (x_{1}, y_{1}) and (x_{2}, y_{2}), and to find the distance between these two points is found by using the formula:

d = \sqrt{(x_{2}-x_{1})^{2} + (y_{2}-y_{1})^{2}}

(x_{1}, y_{1}) is assigned to one the points, in this case, is (4, 1).

(x_{2}, y_{2}) is assigned to other point, which is (9, 1).

Then, plug in these values into the formula and solve.

d = \sqrt{(9-4)^{2}-(1-1)^{2}}

d = \sqrt{5^{2}-0^{2}}

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3 years ago
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ki77a [65]

Answer:

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Step-by-step explanation:

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Answer:

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And rounded up we have that n=8068

Step-by-step explanation:

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We want for this case a 95% of confidence desired, our significance level would be given by \alpha=1-0.95=0.05 and \alpha/2 =0.025. And the critical value would be given by:

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n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}   (b)  

The estimated proportion for this case is \hat p=0.3. And replacing into equation (b) the values from part a we got:

n=\frac{0.3(1-0.3)}{(\frac{0.01}{1.96})^2}=8067.36  

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The answer is boxed on the side

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