Step-by-step explanation:
∑k=150(3k+2)
First find a1 and a50 :
a1=3(1)+2=5a20=3(50)+2=152
Then find the sum:
Sk=k(a1 + ak)2S50=50(5 + 152)2=3925
Seven times seven equals forty nine
The slope is equal to ³/₅.
Answer:
12 ft
Step-by-step explanation:
it's either 12 or 18, I have no idea :/
