3 years ago

How many quarts can Gloria fill with one gallon of milk?

Mathematics

2 answers:

kotegsom [21]3 years ago

8 0

Answer:

Step-by-step explanation:

USPshnik [31]3 years ago

4 0

Answer:

Step-by-step explanation:

There are 4 quarts in one gallon

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In the third week of July, a random sample of 40 farming regions gave a sample mean of x = $6.88 per 100 pounds of watermelon. A

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a. [6.6350,7.3950]

b. ME=0.5150

Step-by-step explanation:

a. Given that n=40, $\bar x=6.88$ and that: $z_{\alpha/2}=z_{0.05}=1.645$

The required 90% confidence interval can be calculated as:

$\bar x\pm(margin \ of \ error)\\\\\bar x\pm z_{\alpha/2}\frac{\sigma}{\sqrt{n}}\\\\6.88\pm(1.645\times \frac{1.98}{\sqrt{40}})\\\\=[6.3650,7.3950]$

Hence, the 90% confidence interval for the population mean cash value of this crop is [6.6350,7.3950]

b. The margin of error at 90% confidence interval is calculated as:

$ME= z_{\alpha/2}\frac{\sigma}{\sqrt{n}}\\\\=(1.645\times \frac{1.98}{\sqrt{40}})\\\\=0.5150$

Hence, the margin of error is 0.5150

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Your digital camera printer printed 5 pictures in 7.5 minutes. At, this rate, how long will it take to print 18 pictures?

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Solve each equation with the quadratic formula. (Show work please)

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Answer:

Let b=x

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Using the almighty quadratic formula

x1={-b+sqrt (b^2-4ac)}/2a

x2={-b-sqrt (b^2-4ac)}/2a

From the question

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Step-by-step explanation:

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