Answer:
c
Step-by-step explanation:
Given that:

since cos (kπ) = 
Then, the series can be expressed as:

In the sum of an alternating series, the best bound on the remainder for the approximation is related to its
term.
∴




Answer:
x ≤ 4
Step-by-step explanation:
6x + 3 ≤ 27 subtract 3 both sides
6x ≤ 24 divide 6 both sides
x ≤ 4 There's your answer
Answer:
0.25 ( I guess)
Step-by-step explanation:
use 1/2 (b*h) formula
Answer:
if you want the base and the height you have to give me number or do you want the formula ?
Answer:
4.2
Step-by-step explanation:
5.7-1.5=4.2