you eat $0.85 for every cup of hot chocolate you sell. How many cups do you need to sell to earn $55.25
1 answer:
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namely, let's rationalize the denominator in the fraction, for which case we'll be using the <u>conjugate</u> of that denominator, so we'll multiply top and bottom by its <u>conjugate</u>.
so the denominator is 5 + i, simply enough, its conjugate is just 5 - i, recall that same/same = 1, thus (5-i)/(5-i) = 1, and any expression multiplied by 1 is just itself, so we're not really changing the fraction per se.
Answer:
The correct answer is "0.0000039110".
Step-by-step explanation:
The given values are:
then,
The required probability will be:
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By using the table, we get
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