So the question if find y'' for 4y=cos2x
First, find y by dividing by 4. y = cos2x/4
Then, take the first derivative. y' = -sin2x/2
Then, take the second dervative. y'' = -cos2x
Answer:
c. 7.25
Step-by-step explanation:
Given the following information from an experiment:
Total Sample Size =5+10+5=20
Therefore, the overall mean
Answer:
81.8181
Step-by-step explanation:
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Answer:
3
Step-by-step explanation:
Jonah's adds more every time
Answer:
b
Step-by-step explanation: