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Svetlanka [38]
3 years ago
10

Find the fifth term of a sequence represented by f(n)=5n-2

Mathematics
1 answer:
Lorico [155]3 years ago
7 0
Hello there!

My best guess would be to plug in 5 into n.

So:

f (n) = 5n-2

f (5) = 5 (5) -2

f (5) = 25-2

f (5) = 23

This is my GUESS. I'm not sure how to do this problem (it's been a while since I've done this).

So PLEASE get a second opinion or ask a teacher!

Hope this helped!

--------------------------

DISCLAIMER: I am not a professional tutor or have any professional background in your subject. Please do not copy my work down, as that will only make things harder for you in the long run. Take the time to really understand this, and it'll make future problems easier. I am human, and may make mistakes, despite my best efforts. Again, I possess no professional background in your subject, so anything you do with my help will be your responsibility. Thank you for reading this, and have a wonderful day/night!
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How to get 3.15 ratio
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Answer:

Step 1) Convert the 3.15 percent to a decimal number.

To convert 3.15 percent to a decimal number, you divide 3.15 by 100. In other words, the quotient you get when you divide 3.15% by 100 is the decimal number.

3.15 ÷ 100 = 0.0315

Step 2) Convert the decimal number to a fraction.

To convert the decimal number to a fraction, we make the decimal number the numerator, and 1 the denominator.

0.0315  =  

   

0.0315

   

1

Step 3) Remove the decimal point in the numerator.

To remove the decimal point in the numerator, multiply both the numerator and denominator by 10000.

   

0.0315 × 10000

   

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315

   

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Step 4) Simplify the fraction.

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Step 5) Convert the fraction to a ratio.

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63

   

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That was the final step. Below is the answer to 3.15 percent as a ratio.

3.15% = 63:2000

Step-by-step explanation:

6 0
3 years ago
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Answer:

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The equation to show the depreciation at the end of x years is

f(x) = 1500 - 200x

Data;

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<h3>Linear Equation</h3>

This is an equation written to represent a word problem into mathematical statement and this is easier to solve.

To write a linear depreciation model for this machine would be

For number of years, the cost of the machine would become

1500 - 200x

This is properly written as

f(x) = 1500 - 200x

where x represents the number of years.

For example, after 5 years, the value of the machine would become

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The value of the machine would be $500 at the end of the fifth year.

From the above, the equation to show the depreciation at the end of x years is f(x) = 1500 - 200x

Learn more on linear equations here;

brainly.com/question/4074386

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