Answer:
1.
2.
3.
4.
5.
Step-by-step explanation:
In order to solve them you just have to multiply them and add them:





Answer:
The 1st term is -67
Step-by-step explanation:
I. When Sn =
(
)
If Sn = 124, n = 8 and
= 98
124 = 8/2(a + 98)
124 = 4(a + 98)
124 = 4a + 392
124 - 392 = 4a
-268/4 = a
-67 = 
Hope that help :D
1) 2
2) 3
3) 4
4) 7
Hope this helps ^-^
Answer:
V = 1261 mm2
Step-by-step explanation:
Hello
V = Pi*(r^2)*h
V = Pi*([56]^2)*(128=
V = 1261 mm2
Best regards