First we will find the 11th term
an = a1 + (n-1) * d
a11 = 12 + (11 - 1) * 5
a11 = 12 + 10 * 5
a11 = 12 + 50
a11 = 62
now we use the sum formula...
Sn = (n (a1 + an)) / 2
S11 = (11 (12 + 62)) / 2
S11 = (11 (74)) / 2
S11 = 814/2
S11 = 407
Answer:
Idk
Step-by-step explanation:
idk
C.264.4 that should answer your question
Answer:
A
Step-by-step explanation:
i think so..sorry if im wrong
Answer:
Volume = length x width x height
V = 18 x 8 x 12 = 1728 cm3 = 1728 ml = 1.729 liters
Step-by-step explanation:
