I’m not sure what the answer is
Answer:
50
Step-by-step explanation:
40 squared is 1600
30 squared is 900
1600+900=2500
=50
Answer:
3000
Step-by-step explanation:
1000 + 2000 = 3000
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
Answer:
0.725,0.52,0.275,0.2
Step-by-step explanation: