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german
3 years ago
11

It took the Farhats 85 minutes to drive 102 miles. If they this same driving rate, how long will it take them (in minu get to th

eir vacation home that is 306 miles away
Mathematics
1 answer:
STALIN [3.7K]3 years ago
8 0

Answer:

255 minutes

Step-by-step explanation:

306 can be subtracted by 102 a total of 3 times. We know that for every 102 miles = 85 minutes. So 85 * 3 = 255.

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her copy has dimensions 2 inches by 1.5 inches the scale of the copy is 1 in.:40 cm. what is the area
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2 x 1.5 x 1 x 40 = 

Area = 120cm
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4 years ago
Which point on the number line represents -1/3?​
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A represents it, since it’s on the negative side
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3 years ago
What is 9,003,840,165 in expanded form
bezimeni [28]

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3 years ago
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Suppose a sample of 80 with a sample proportion of 0.58 is taken from a
Anvisha [2.4K]

Answer:

99.7% confidence interval is [0.4162,0.7437]

Step-by-step explanation:

The formula for a confidence interval for a population proportion is CI=\hat{p}\pm z^*\sqrt{\frac{\hat{p}(1-\hat{p})}{n} } where \hat{p} is the sample proportion, n is the sample size, and z^* is the critical score for the desired confidence level.

We are given a sample size of n=80 and a sample proportion of \hat{p}=0.58. Our critical score for a 99.7% confidence level would be z^*=normalcdf(0.9985,0,1)=2.9677

Therefore, the approximate 99.7% confidence interval for the population parameter is CI=\hat{p}\pm z^*\sqrt{\frac{\hat{p}(1-\hat{p})}{n} }=0.58\pm 2.9677\sqrt{\frac{0.58(1-0.58)}{80} }=[0.4162,0.7438]

So we are 99.7% confident that the true population proportion is contained within the interval [0.4162,0.7437]

3 0
3 years ago
A building in New York is 423 feet tall. The building next to it is 52% taller. How tall is the second building? Show or explain
Neko [114]

Answer:

642.96 ft

Step-by-step explanation:

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3 years ago
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