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Xelga [282]
3 years ago
15

When a product is raised to a power, it is equal to the product of each factor raised to that power. Show that this rule does no

t apply for a sum or difference to a power using the problem (5 – 3)2. You may indicate an exponent in your answer with ^. For example, 3x2 as 3x^2.
Mathematics
1 answer:
Airida [17]3 years ago
7 0

Answer:

In this instance you would do what is inside the parentheses first and then use the exponent. Therefore it would be 3^2 and your answer is 9.

Step-by-step explanation:

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Suppose the number of gallons of gasoline per day used by a car is normally distributed with a mean of 2.2 gallons and a standar
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The difference in gallons per day used is 3.6.

The formula to calculate a z-score is:
z=\frac{X-\mu}{\sigma},

where X is the value used to calculate the score, μ is the mean and σ is the standard deviation.  We have the z-scores so we must work backward:

3=\frac{X-2.2}{1.2}\text{ and }0=\frac{X-2.2}{1.2}

For both equations, we will cancel the 1.2 by multiplying both sides:
3\times1.2=(\frac{X-2.2}{1.2})\times1.2\text{ and }0\times1.2=(\frac{X-2.2}{1.2})\times1.2
\\
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Now we will cancel 2.2 from both equations by adding it to both sides:

3.6+2.2=X-2.2+2.2     and       0+2.2=X-2.2+2.2
5.8=X     and       2.2=X

The difference in gas used per day would be given by
5.8-2.2 = 3.6.
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3 years ago
What does the Lorenz curve measure in the economy?
AnnZ [28]

Answer:

a graphical representation of the distribution of income or of wealth.

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First off, this question does not belong under the math category.

<u>The answer to your question is D. He is the leader of Catholicism.</u>

<u></u>

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Step-by-step explanation:

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