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4 years ago

8

Please HELP mee !!! Chance flips a coin and rolls a 1-6 number cube. What is the probability that he rolls a number less then 4

and the coin lands on heads ?

1 answer:

nalin [4]4 years ago

8 0

B. 20, hope this helps :)

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Working alone it takes Ryan 13.4 weeks to build a home.Jack can build the same home in 13.1 weeks how long would it take them if

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Answer: 6.62 weeks

Step-by-step explanation:

Time taken by Ryan to build a home = 13.4 weeks

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$\frac{1}{t}=\frac{1}{t}$ = $\frac{1}{\text{time taken by Ryan alone}}+\frac{1}{\text{time taken by Jack alone}}$

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$\\\Rightarrow\ t=\frac{175.54}{26.5}\\\Rightarrow\ t=6.62\ weeks$

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3 years ago

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3 years ago

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