65.52 will be the answer
Work: (10.4 * 12.6) ÷ 2
A cosine is just a sine shifted to the left by π/2. A cosine of 4x is shifted to the left by only π/8 because of the factor 4. Sketch them.
The region we're looking for is this sausage-shaped part between the cos and the sin.
The x intercepts are at π/8 for the cosine and π/4 for the sine. The midpoint between them is at (π/8 + π/4)/2 = 3/16π.
The region is point symmetric around the x axis, so the y coordinate of the centroid is 0.
So the centroid is at (3/16π, 0)
Given that x is the number of chains;
7(4+3) = 7 * 7 = 49 feet
Answer:
16800
Step-by-step explanation:
800
* 21
---------
Multiply: 800*1=800
Multiply: 800*2=1600
Add: 16800+800=16800
Answer:
Step-by-step explanation:
66.5
