Answer:24 cm
Step-by-step explanation:
i took the test
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:
I snsmxxabrsgfbsseg
Step-by-step explanation:
zcnsd csndmfbva,ejfn vegbrb
There's not much you can or should do here other than to "solve for d."
Subtract 22 from both sides. Then 22 - 22 - 28d = -12 - 22 = -34
Then -28d = -34, and d = -28 / (-34) = + 14/17 (answer)