<span>The sum of angle D and the given angle should 90 so: 90 - 47 = 43
So D is 43.
</span>
B is the correct answer
hope this helps
1 pound = 16 ounces
20 pounds = 320 ounces
320 ounces + 7 ounces = 327 ounces
(C)
Step-by-step explanation:
The volume of the conical pile is given by

Taking the derivative of V with respect to time, we get


Since r is always equal to h, we can set

so that our expression for dV/dt becomes


Solving for dh/dt, we get


