Answer:
-2497
Step-by-step explanation:
Sn=n/2[2a+(n-1)d]
=22/2[2*-40+(22-1)d]
=11(2*-40+(21*-7)
= -2497
Answer:
Value of Cos 120 is -½.
Step-by-step explanation:
Answer:
350
Step-by-step explanation:
In this case you would round up, to the nearest multiple of 10. Since 348 is closer to 350 than it is to 340, the answer is 350.
Answer:
linear sequence
Step-by-step explanation:
because the numbers have a common difference
Answer:
I need to know the numbers then Im able to help :3
Step-by-step explanation:
