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jek_recluse [69]

3 years ago

9

One cake recipe calls for 2/3 cup of sugar. Another receive calls for 1 1/4 cups of sugar. How many cups of sugar are needed to

make both cakes?

1 answer:

strojnjashka [21]3 years ago

8 0

1 1/4 = 1 3/12 and 2/3 = 8/12
1 3/12 + 8/12= 1 11/12

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Listed below are amounts (in millions of dollars) collected from parking meters by a security service company and other compan

Vikentia [17]

Answer:

$CV=\frac{0.1252}{1.57}=0.07975$

$CV=\frac{0.1317}{1.72}=0.07657$

The relative variability is almost equal in both samples a slight greater variability can be noticed in the first sample.

Step-by-step explanation:

The coefficient of variation of a sample is defined as the ratio between the mean standard deviation and the sample mean. And it represents the percentage relation of the variation of the data with respect to the average.

$CV=\frac{S}{\bar X}$

In the case of the first sample you have:

$CV=\frac{0.1252}{1.57}=0.07975$

In the case of the second sample you have:

$CV=\frac{0.1317}{1.72}=0.07657$

The relative variability is almost equal in both samples a slight greater variability can be noticed in the first sample.

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3 years ago

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emmasim [6.3K]

Answer:

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Step-by-step explanation:

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2. Let's isolate the variable. We can do this by subtracting 2 from both sides. This will come out to 2n+14.

3. Let's further isolate the variable. We can do this by dividing both sides by two, which will finally come out to n=7

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Step-by-step explanation:

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