Roger has a nail that is 12 centimeters long. He measures and records the length of the nail as 15 centimeters. What is the percent error in Roger's measurement? 15% 17% 20% 25%

Answers

Answer 1

Answer: First, calculate the difference between 15 and 12. The operation, subtraction, will give us the answer of 3. Then, divide the calculated value by 12 since this it the theoretical length of the nail. Multiply the quotient by 100% to arrive to the final answer. That is (3/12)(100%). The final answer to this item is 25% which is the last choice.

Answer 2

Answer:

The percent error in Roger's measurement is :25%.

Percent of error

Using this formula

Percent of error=Length-Centimeters long/Centimeters long×100

Let plug in the formula

Percent error=15-12/12

Percent error=3/12×100

Percent error=25%

The percent error in Roger's measurement is :25%.

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Answers

Answer:

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Step-by-step explanation:

"4 times the sum of 2 and y".

Hope it is helpful...

Answer:

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How many different three-digit numbers can be written using digits from the set 5, 6, 7, 8, 9 without any repeating digits?

Answers

Answer:

It can be written 60 different three digit numbers.

Step-by-step explanation:

For, calculate how many different three digit numbers can be written, we can use the rule of multiplication as:

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Taking into account that there is no repeating digits, we have 5 options for the first digits, this options are the number 5, 6, 7, 8 or 9. Then, we have 4 options for the second digit and then we have 3 options for the third digit.

So, there are 60 different three digit numbers that we can create with the set 5, 6, 7, 8, 9 without any repeating digits.

567
598
578
596
597
Keep doing this and you will get your answer. It is could trial and error.

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Answers

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