Mathematics, 28.05.2020 19:03 nadiarose6345

Find an expression for the nth term (tn) in each of the following sequence:
12, 11, 10, 9, 8, …

Can someone please help me???

Answers: 2

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Answer from: stevend0599

Step-by-step explanation:

This is an arithmetic sequence. We know this because every term is simply one less than the term before it.

The explicit formula for an arithmetic sequence is aₙ = a₁ + (n-1)d, where a₁ is the first term and d is the common difference between consecutive terms. In this case, a₁ = 12 and d = -1.

Therefore, we have aₙ = 12 + (n - 1) · (-1) = 12 - n + 1 = -n + 13. aₙ = -n + 13.

Hope this helps!

Answer from: Quest

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step-by-step explanation:

Answer from: Quest

x > 1.3

step by step:

8.5−0.9x> 9.8−1.9x

step 1: simplify both sides of the inequality.

−0.9x+8.5> −1.9x+9.8

step 2: add 1.9x to both sides.

−0.9x+8.5+1.9x> −1.9x+9.8+1.9x

1x+8.5> 9.8

step 3: subtract 8.5 from both sides.

1x+8.5−8.5> 9.8−8.5

1x> 1.3

step 4: divide both sides by 1.

1x/1 > 1.3/1

#14 . solve each inequality using addition and subtraction.

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Find an expression for the nth term (tn) in each of the following sequence:
12, 11, 10, 9, 8,...