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goblinko [34]
3 years ago
15

The total simple interest owed on a loan of $8,000.00 after 60 months is $1,280.00. What is the yearly interest rate on the loan

? Show your work.​
Mathematics
1 answer:
nirvana33 [79]3 years ago
5 0

Answer:

3.2%

Step-by-step explanation:

1280/5=256 interest per year

principal x interest rate =interest per year

8000 x interest rate =256

interest rate =256/8000

interest rate =.032 or 3.2%

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44, 27, 35, 22, 44, 38, 40<br> Mean , Median_ , Mode
jek_recluse [69]

Mean 35.714 Med 38 Mode 44

Step-by-step explanation:

new arrange from lowest to largest numbers

22 27 35 38 40 44 44

mean = plus of all number/ number

= (22+27+35+38+40+44+44)/7

= 35.714

Median = the central value

= 38

Mode = the most frequency

= 44 (2 numbers)

6 0
3 years ago
Read 2 more answers
First to answer correctly gets brainliest
Readme [11.4K]

Answer:

240 \leq 12.5p + 65

14 \leq\\ p

Step-by-step explanation:

I'll explain the equation in different parts

12.5p - Since the number of times he visits is unknown, it has to be a variable. With each visit, however, he earns 12.5 points.

65 - This is a set value that remains constant

240 \leq\\ - Since he needs AT LEAST 240 points, he needs 240 points or more to get his free ticket

As for solving the equation just use properties of equality

240 \leq 12.5p + 65

175 \leq 12.5p

14 \leq\\ p

7 0
3 years ago
The edge of a cube whose volume is 1728 cm 3
mamaluj [8]

Answer:

12 cm

Step-by-step explanation:

This would be the cubic root of 1728

=  12 cm

( 1729 is known as Ramanajan's number. Look it up - it's interesting)

3 0
3 years ago
Please help!<br> Find the exact circumference of the circle.
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The answer will be B

8 0
3 years ago
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An elementary school class ran 1 mile in an average of 11 minutes with a standard deviation of 3 minutes. Rachel, a student in t
Natali5045456 [20]

Answer:

a) Kenji's time had a lower z-score, which means that he is better compared to other runners on his level, and better to his peers compared to Nedda.

b) Rachel, because her time had the lowest z-score.

Step-by-step explanation:

Z-score:

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question:

The lower the time, the better the runner is. So whoever's time has a lower z-score is a better runner. So initially, we find the z-score of each student's time.

An elementary school class ran 1 mile in an average of 11 minutes with a standard deviation of 3 minutes. Rachel, a student in the class, ran 1 mile in 8 minutes.

This means that for Rachel's time, we have that X = 8, \mu = 11, \sigma = 3. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{8 - 11}{3}

Z = -1

A junior high school class ran 1 mile in an average of 9 minutes, with a standard deviation of 2 minutes. Kenji, a student in the class, ran 1 mile in 8.5 minutes.

This means that for Kenji's time, we have that X = 8.5, \mu = 9, \sigma = 2. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{8.5 - 9}{2}

Z = -0.25

A high school class ran 1 mile in an average of 7 minutes with a standard deviation of 4 minutes. Nedda, a student in the class, ran 1 mile in 8 minutes.

This means that for Nedda's time, we have that X = 8, \mu = 7, \sigma = 4. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{8 - 7}{4}

Z = 0.25

(a) Why is Kenji considered a better runner than Nedda, even though Nedda ran faster than he?

Kenji's time had a lower z-score, which means that he is better compared to other runners on his level, and better to his peers compared to Nedda.

(b) Who is the fastest runner with respect to his or her class? Explain why

Rachel, because her time had the lowest z-score.

8 0
3 years ago
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