If an investment decreases 1% the first year, 6% the second year and 9% the third year, what is the "average" percent decrease?

Answers

Answer 1

Answer:

The average percent decrease over the three years is 15.42%

Explanation:

To find the average percent decrease, we need to find the overall percent decrease over the three years. Let's assume we start with $100.

After the first year, the investment decreases by 1%, which means we are left with $100 - 0.01($100) = $99.

After the second year, the investment decreases by 6%, which means we are left with $99 - 0.06($99) = $93.06.

After the third year, the investment decreases by 9%, which means we are left with $93.06 - 0.09($93.06) = $84.58.

The overall percent decrease can be calculated by finding the difference between the starting value of $100 and the final value of $84.58, which is $100 - $84.58 = $15.42.

To find the average percent decrease, we divide this difference by the starting value and multiply by 100 to get:

($15.42/$100) x 100 = 15.42%

Therefore, the average percent decrease over the three years is 15.42%.

Answer 2

ANSWER-

To calculate the average percent decrease, we can take the arithmetic mean of the three percentage decreases:

Average percent decrease = (1% + 6% + 9%) / 3 = 5.33%

Therefore, the "average" percent decrease over the three-year period is approximately 5.33%.

Related Questions

Recommend three practical ways in which you asa school going youth could establish good communication with teacher.

Answers

Establishing good communication with your teacher is an important part of succeeding in school, and here are three practical ways to achieve this:

Attend class regularly and participate in class discussions: One of the best ways to establish good communication with your teacher is to attend class regularly and actively participate in class discussions. This will demonstrate your interest in the subject and show your teacher that you are invested in your education.

Ask questions and seek clarification: If you don't understand a concept or need further clarification, don't be afraid to ask questions. Asking questions can help you gain a better understanding of the subject matter, and it also shows your teacher that you are engaged in the learning process.

Communicate respectfully and professionally: Whether you are communicating with your teacher in person or via email, it's important to be respectful and professional in your interactions. This means using appropriate language, maintaining a positive attitude, and showing gratitude and appreciation for your teacher's help and guidance.

By attending class regularly, participating in class discussions, asking questions, seeking clarification, and communicating respectfully and professionally, you can establish good communication with your teacher and build a positive and productive relationship that will help you succeed in school.

Attend classes regularly, listen actively, and participate in class discussions. This shows the teacher that you are interested in the subject matter and value their input.

Be respectful and polite in your interactions with the teacher. Use appropriate language, maintain eye contact, and avoid interrupting when they are speaking.

Seek out opportunities to meet with the teacher outside of class time, such as during office hours or after-school study sessions, to ask questions or get additional help with the material. This can help to establish a positive rapport and show that you are committed to your studies.

IF THE DIAMETER A CIRCLE . FIND ITS CIRCUMFERENCE . CALCULATOR'S VALUE OF . ROUND ANSWER TO THE NEAREST TENTH

Answers

ANSWER -

To find the circumference of a circle given its diameter, you can use the formula:

C = πd

where C is the circumference, d is the diameter, and π is a mathematical constant approximately equal to 3.14159.

If you have the diameter of the circle, simply multiply it by π to get the circumference.

For example, if the diameter of the circle is 10, the circumference would be:

C = πd
C = π(10)
C ≈ 31.4

Rounding the answer to the nearest tenth gives a final answer of 31.4 units.

The circumference of the circle is approximately 31.4 units.

To find the circumference of a circle, you need to know its diameter. The formula to calculate the circumference (C) of a circle is:

C = πd

Where π (pi) is a mathematical constant approximately equal to 3.14159, and d represents the diameter of the circle.

To find the circumference, you can multiply the diameter by π.

For example, if the diameter of the circle is 10 units:

C = π x 10

C ≈ 3.14159 x 10

C ≈ 31.4159

Rounding the answer to the nearest tenth, the circumference of the circle is approximately 31.4 units.

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Which of the following is a good indication of whether a student will meet an established goal or
benchmark?
Performance level
Probe
Benchmark
Rate of growth

Answers

Answer:

Explanation:

A good indication of whether a student will meet an established goal or benchmark would be their performance level.

Performance level refers to a student's current level of mastery in a specific skill or subject area. If a student's performance level is at or above the established benchmark, it is likely that they will meet the goal or benchmark. However, if a student's performance level is below the established benchmark, they may require additional support or intervention to reach the desired level of achievement.

Probes and benchmarks can also provide useful information about a student's progress, but they are typically used to assess specific skills or knowledge rather than predicting future success. The rate of growth can also be a helpful indicator, but it should be considered in conjunction with the student's performance level to make a more accurate prediction of future success.

Economic its not there why?

Answers

Answer:

A issue with economics is when options become difficult due to resource shortage. People have limitless desires, but there are only so many ways to fulfill them. Individuals' freedom of choice affects society as a whole as well.

Explanation:

When I have an ? in something, it is easy to learn.

Answers

When I have an interest in something, it is easy to learn.

How can interest affect learning?

When you approach learning with a passive or disinterested attitude, it can be difficult to retain information or apply it in real-world situations.

So embracing your natural curiosity and actively seeking out answers to your questions is a great way to make learning easier and more enjoyable as you already have a genuine interest in it and would want to learn more about it.

Answers

The probability of having a boy and a girl in this order would be given as 0.02857

How to solve for the probability

Probability is a branch of mathematics that deals with the study of randomness and uncertainty. In statistics, probability is used to describe the likelihood or chance of an event occurring.

In particular, probability can be used to quantify the chances of different outcomes in a random experiment or event. A random experiment is a process that generates different outcomes, but the outcome of any single trial cannot be predicted with certainty.

There are two choices for each birth. That is a boy and girl

we have 2 ^ 5 = 32

the probability of having a boy and a girl in this order would be

1 / 32

= 0.03125

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ANSWER -

The probability of having 1 boy and 4 girls in any order in a family of 5 children can be calculated using the binomial probability formula:

P(1 boy and 4 girls) = (5 choose 1) * (1/2)^1 * (1/2)^4

where "5 choose 1" is the number of ways to choose 1 boy out of 5 children, and (1/2)^1 and (1/2)^4 are the probabilities of having a boy and a girl, respectively, for each child.

Simplifying the expression, we get:

P(1 boy and 4 girls) = 5 * (1/2)^5 = 5/32

Therefore, the probability of having 1 boy and 4 girls in any order in a family of 5 children is 5/32 or approximately 0.15625.

In a family of 5 children what is the probability of have 1 boy and then 4 girls in that order. (Exclude multiple births and assume all outcomes)

Answers

Assuming that the probability of having a boy or a girl is equal (i.e., 0.5), the probability of having 1 boy and 4 girls in that order in a family of 5 children can be calculated as follows:

P(1 boy, 4 girls) = P(boy) x P(girl) x P(girl) x P(girl) x P(girl)

where P(boy) is the probability of having a boy and P(girl) is the probability of having a girl.

Therefore, we have:

P(1 boy, 4 girls) = 0.5 x 0.5 x 0.5 x 0.5 x 0.5 = 0.5^5

= 0.03125 or 3.125%

So, the probability of having 1 boy and 4 girls in that order in a family of 5 children is 3.125%.

What is the t-statistic?

Answers

In statistics, the t-statistic is the ratio of the departure of the estimated value of a parameter from its hypothesized value to its standard error. It is used in hypothesis testing via Student's t-test. The t-statistic is used in a t-test to determine whether to support or reject the null hypothesis.

ANSWER-

The t-statistic is a measure of the difference between the mean of a sample and the mean of the population, in units of the standard error. It is calculated by taking the difference between the sample mean and the population mean, dividing by the standard error of the mean, and then multiplying by the square root of the sample size.

The formula for the t-statistic is:

t = (sample mean - population mean) / (standard error of the mean)

The t-statistic is used in hypothesis testing to determine whether a sample mean is significantly different from a population mean. The t-distribution is used to calculate the probability (p-value) of observing a t-statistic as extreme as the one obtained from the sample, assuming the null hypothesis is true.

some particular website, the password must start with A or B there must be 5 more characters, and each of the characters may be a numeric digit or letter of the alphabet how many diffrent passwords are possible

Answers

ANSWER -

If a password on a particular website must start with either A or B and must have 5 more characters that can be either a numeric digit or a letter of the alphabet, we can use the multiplication principle to calculate the total number of possible passwords.

Since the first character can be either A or B, there are 2 options for the first character. For each of those options, there are 36 options (26 letters + 10 digits) for the remaining 5 characters.

Using the multiplication principle, we can multiply the number of options for each position to get the total number of possible passwords:

2 (options for the first character) * 36^5 (options for each of the remaining 5 characters) = 2 * 60,466,176 = 120,932,352

Therefore, there are 120,932,352 different possible passwords that meet the requirements for this particular website.

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