20 - 21 - 10 + 5x +1= 0
5x = 10
x = 2
Answer:
y = mx+ b
m=slope
-1/2
Step-by-step explanation:
Answer:
-273
Step-by-step explanation:
find the common difference:
d = 7 - 11 = - 4
a_1 = 11
a_72 = (72 - 1)* (-4) + a_1
a_72 = (71)* (-4) + 11
a_72 = -273
The answer is C (working shown)
If you know the cone volume and the cone radius, then
height = 3*Volume / PI * r^2
answer is D