An arithmetic sequence's nth term is determined by the formula a = a + (n - 1)d. The common difference, or d, is the difference between any two consecutive terms in an arithmetic series; it can be calculated by deducting any pair of terms starting with a and an+1.

Here,

First term, a = -4

Common difference, d = -2

nth term = 12

Now, let’s find 12th term

B(n) = -4 -2(n – 1)

B(12) = -4 – 2(12 – 1)

B(12) = -4 -2(11)

B(12) = -4 -22

B(12) = -26

That is, the 12th term in the sequence is -26.

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8 0

1 year ago

The temperature on Wednesday evening was -°5 Fahrenheit. The temperature decreased another 8° throughout the night. Wjat was the

____ [38]

The temperature on Thursday morning would be -13°F.

Since the temperature decreased throughout the night, this is a subtraction problem.

-5 - 8 = - 13

4 0

3 years ago