Pls I need help on number 5
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Given that grain is falling from a chute onto the ground, forming a conical pile whose diameter is always three times its height.
So if D is the diameter and h is the height of the conical pile then we can write:
D=3h
We know that diameter = 2r, where r is the radius
2r=3h
Volume of conical pile is given by formula
Given that volume is 1110 cubic feet.
Now plug the values of Volume and r into equation of volume
take cube root of both sides
7.78103342467=h
Hence height is approx 7.78 feet.
Here's our expression:
We will follow the order of operations and begin by solving everything in parentheses.
Next, we solve the exponents.
Now, we solve the multiplication and division. There is no division, so we will just solve the multiplication.
Finally, we solve the addition and subtraction. Since there is no addition, we will solve the subtraction.