Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule. a(n) = 12 (n–1)(3) a. 0, 9, 27 b. 12, 24, 42 c. 12, 21, 39 d. 3, 24, 27

No option suits this answer.

Step-by-step explanation:

Given is an arithmetic sequence with general term formula in n as

We can find any general term by substituting for n

n =1

I term is 0

II term is got by substituting n =2

Hence common difference

Hence the successive term would increase by 36

4th term

=

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