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:
The answer is
<h2>7.27 g/mL</h2>
Step-by-step explanation:
The density of a substance can be found by using the formula

From the question
mass = 24 g
volume = 3.3 mL
The density is

We have the final answer as
<h3>7.27 g/mL</h3>
Hope this helps you
We know that π = 180°, therefore:
1.

Answer: correct
2.

Answer: no correct
3.

Answer: no correct
4.

Answer: correct
5.

Answer: correct
Answer: 181
Step-by-step explanation:
(2-5+60x3) +2x2
(2-5+60x3) +2x2
(2-5+180) +2x2
(-3+180) +2x2
177+ (2x2)
177+4
<h2> 181</h2>