A large jar contains 1230 coins. The result of 50 coins pulled at random from the jar is given below. • 18 nickels • 12 dimes •
20 quarters Based on this information, what could be the expected value of quarters in the jar?
1 answer:
Answer:
The expected value of quarters is $47.20
Step-by-step explanation:
18+12+20=50
1230-50=1180
1180÷25=47.2
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Answer:
x = 8.39
y = 55.2
Step-by-step explanation:
9² + 1² - 2(9)(1)cos(50) = x²
x = 8.39
9/sin(y) = x/sin(50)
sin(y) = 0.8215200692
y = 55.23724927
question 3 = $150 because 50% is one half of 100% so 300/2 = 150
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Step-by-step explanation:
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Answer:
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Step-by-step explanation:
First find out how much he ran every 1/7 of an hour
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Step-by-step explanation: