S10 = -150;
<span> the sum of next 10 terms = S20 - S10 => -550 = S20 + 150 => S20 = -700;
</span>S10 = -150 => 2a1 + 9r = -30;
S20 = -700 => 2a1 + 19r = -70;
Then 10r = -40 => r = -4 , and, 2a1 -36 = -30 => 2a1 = 6 => a1 = 3;
An event that cannot happen is impossible
Answer:
yes
Step-by-step explanation:
yes I agree because....
let solve the problem first if she ate 1/4 on the small pan plus 1/6 on the larger pan you have to add.
1/4+1/6
=5/12
Answer:
218,900
Step-by-step explanation: