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charle [14.2K]
3 years ago
8

Determine the nth term for each of the following sequences:16,15,14,13,12,..

Mathematics
1 answer:
Vladimir79 [104]3 years ago
7 0
F(n) = 1st term - common difference (n - 1)

The operation is subtraction because the sequence is decreasing.

n = number of the term you are looking for
1st term = 1st number in the sequence, in this case, 16
common difference = difference between one number to the next

f(n) = 16 - 1(n-1)

Assuming we are looking for the 5th term.
f(5) = 16 - 1(5-1)
       = 16 - 1(4)
       = 16 - 4
       = 12     * as you can see, 12 is the 5th term of the sequence.

If you are looking for the equivalent of the nth term, simply substitute n by the number you are looking for and solve the equation.
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Joanne works two jobs to pay for college. She tutors for $25 per hour and also works as a receptionist for $12 per hour. Due to
il63 [147K]

Answer: C. t+r\leq 25

25t+12r\geq 200


Step-by-step explanation:

If 't' represents the number of hours Joanne tutors and 'r' represents the number of hours she works as a receptionist.

Then the total hours she can work=t+r

Since she can work up to 25 hours.

Thus t+r\leq 25

If she earns $25 per hour by tuition and $ 12 per hour by working as a receptionist .

Then her total earning =$25t+12r

Since she must earn $200.

Then 25t+12r\geq 200.

Therefore, the required system of inequality will be

t+r\leq 25

25t+12r\geq 200

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3 years ago
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Ksivusya [100]

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inessss [21]

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1                  

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(x+2)(x-4)

Step-by-step explanation:

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Factor

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1                  

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Answer:

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4 gallons, 3 quarts are equal to how many pints
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Answer:

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