Question

7. Common difference of an arithmetic sequence is 7 and 5" term is 37
a) Find its 15" term
b) What is its first term?
c) Which term is 184?​

Answer 1

Answer:-

Given:

common difference of an AP (d) = 7

a₅ = 37

We know that,

nth term of an AP (aₙ) = a + (n - 1)d

So,

a + (5 - 1)(7) = 37

⟶ a = 37 - 4 * 7

⟶ a = 37 - 28

⟶ a = 9

b) a₁₅ = a + (15 - 1)d

⟶ 9 + 14 * 7

⟶ 9 + 98

⟶ 107

c) Let 184 be the nth term.

⟶ 9 + (n - 1)(7) = 184

⟶ 7n - 7 = 184 - 9

⟶ 7n = 184 - 9 + 7

⟶ 7n = 182

⟶ n = 182/7

⟶ n = 26

∴

• 15th term = 107.
• first term = 9
• 184 is the 26th term

Answer 2

Answer:

Step-by-step explanation:

a 132

B 12

21

Make me brainliest follow me