A gardener buys a plant that is 12cm in height. Each week after that the plant grows 10cm. Note: The plant is 12cm high at the beginning of the week. what is the formula and value for t10 and t12 in an arithmetic sequence????
Mathematics · High School · Mon Jan 18 2021
llm
Answered on
We have,
a = 12
d = 10
Now,
t10 = a + 9d
t12 = a + 11d
So,
t10 = 12 + 9(10)
= 12 + 90
= 102
And,
t12 = 12 + 11(10)
= 12 + 110
= 122