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Nana76 [90]
2 years ago
8

Pierre deposits $8,000 in a certificate of deposit that pays 8% interest, compounded semiannually. How much interest does the ac

count earn in the first six months? What is the balance after six months? two answers and show work​ and write the answers out​
Mathematics
1 answer:
jok3333 [9.3K]2 years ago
6 0
$640 in interest after 6 months
$8,640 is the balance after six months

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Solve the following equation for x: 2x – 3y = 6.
Ksivusya [100]

Answer:

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Step-by-step explanation:

Let's solve for x.

2x−3y=6

Step 1: Add 3y to both sides.

2x−3y+3y=6+3y

2x=3y+6

Step 2: Divide both sides by 2.

2x2=3y+62

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2 years ago
Running times for 400 meters are Normally distributed for young men between 18 and 30 years of age with a mean of 93 seconds and
Luda [366]

Answer:

C. 45 and 141 seconds

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

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99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

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Standard deviation = 16 seconds

99.7% of running times are approximately between:

By the Empirical rule, within 3 standard deviations of the mean, so between 3 standard deviations below the mean and 3 standard deviations above the mean

3 stnadard deviations below the mean

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3 standard deviations above the mean

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The correct answer is:

C. 45 and 141 seconds

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2 years ago
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