Given AP is 21 ,18,15,...
First term = 21
Common difference = 18-21 = -3
Let an = -81
We know that
an = a+(n-1)d
⇛21+(n-1)(-3) = -81
⇛ 21-3n+3 = -81
⇛24-3n = -81
⇛ 24+81 = 3n
⇛ 105= 3n
⇛ n = 105/3
⇛ n = 35
35th term of the AP is -81.
<u>also</u><u> read</u><u> similar</u><u> questions</u><u>:</u> Which term of a AP 5 , 13 , 21 ,... is 181?
brainly.com/question/2406241?referrer
Which term of the AP:3, 8, 13, 18,...,is 78?
brainly.com/question/15380012?referrer
Answer:
0 6 6
6 ⟌ 4 0 0
- 0
4 0
- 3 6
4 0
- 3 6
4
Step-by-step explanation:
Answer:
1oz cost $0.39 which will be the unite rate
Step-by-step explanation:
B & C would be your answer because 3^-3 would turn into a fraction, 1/3^3 which is the same as C.
Answer:
242 cm^3
Step-by-step explanation:
Volume of a pyramid = 1/3 * area of base * height
= 1/3 * 60.5 * 12
= 242 cm^3