It takes Mike 10 minutes to do an oil change and 20 minutes to do a tire change. He's working for 60 minutes today. He only has
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Answer:
The height of the vase is
Step-by-step explanation:
we know that
The volume of a cone is equal to
we have
substitute and solve for h
<u>The concept:</u>
We are given the equation:
Which can be simplified as:
Since any number to the power '0' is 1
x² - x must be equal to 0 for the given equation to be true
<u></u>
<u>Solving for x:</u>
x² - x = 0
x(x-1) = 0
now, we can divide both sides by either x OR x-1
So we will see what we get for either choice:
x = 0/(x-1) x-1 = 0/x
x = 0 x = 1
Hence, the value of x is either 0 or 1