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Mathematics, 16.09.2019 09:30 pineappleliyah3
Acoin collector bought a set of coins for $500, and then sold the set for $850, making a profit of $50 per coin. how many coins were in the set?
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2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
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Use the squared identities to simplify sin^2x cos^2x
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Acoin collector bought a set of coins for $500, and then sold the set for $850, making a profit of $...
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