What is an expression to represent the equation
1 answer:
Answer:
8 +
Step-by-step explanation:
I'm assuming you want an answer to the top section of the question.
We can start with 8.
8
When a problem asks for the sum, it's looking for addition, so we use the + sign.
8 +
The problem says "a number," so let's represent that with x. Basically, x just means a number we don't know.
8 + x
The "number" is divided by 4, so we'll just put x/4 as our second term.
8 +
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Answer:
0.0221 feet per minute.
Step-by-step explanation:
If the Base Diameter = Height of the Cone
The radius of the Cone = h/2
Therefore,
Rate of Change of the Volume,
Since gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. Therefore, the Volume of the cone is increasing at a rate of 10 cubic feet per minute.
We want to determine how fast is the height of the pile is increasing when the pile is 24 feet high.
We have:
When the pile is 24 feet high, the height of the pile is increasing at a rate of 0.0221 feet per minute.