E pi and F pi and (for third one) are correct answers
Answer:
4.71 minutes
Step-by-step explanation:
Incomplete question [See comment for complete question]
Given
Shape: Cone
-- radius
--- height

Required
Time to pass out all liquid
First, calculate the volume of the cone.
This is calculated as:

This gives:



To calculate the time, we make use of the following rate formula.

Make Time the subject

This gives:


Cancel out the units


Y=0.6x+5 is the slope of a line parallel to the line -3x+5y=-10
Formula:
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<span>Note: , where nPr is the formula for permutations of n objects taken r at a time.</span>
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Example:
<span>How many different committees of 4 students can be chosen from a group of 15?
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Answer:
<span>There are possible combinations of 4 students from a set of 15.</span>
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There are 1365 different committees.</span></span></span>
Answer:
B
Step-by-step explanation:
the roots are the x-values where the graph intersects the x-axis. to find the roots replace y with 0 and solve for x