you flip a coin and draw a marble at random from a bag containing two purple marbles and one white marble . what is the probabil
ity you flip a heads on the coin and draw a purple marble
1 answer:
Answer:
1/3 probability
Step-by-step explanation:
The probability that you flip heads is 1/2, one heads out of two possible (heads and tails).
The probability that you draw a purple marble is 2/3, two purples and three total (2 p +1 w).
To find the probability of both happening, multiply the probabilities together:
(1/2) * (2/3) = (2/6) = (1/3)
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Answer: 12+(-9)
Step-by-step explanation:
Answer:
Length = 9 units
Area = 135 square units
Area = Length x Breadth
135 = 9 x Breadth
Breadth = 15units
![By \ pythagorean \ theorem\\\\Diagonal ^ 2= Length^2 + Breadth^2\\\\](https://tex.z-dn.net/?f=By%20%5C%20pythagorean%20%5C%20theorem%5C%5C%5C%5CDiagonal%20%5E%202%3D%20Length%5E2%20%2B%20Breadth%5E2%5C%5C%5C%5C)
![= 9^2 + 15^2 \\= 81 + 225 \\=306](https://tex.z-dn.net/?f=%3D%209%5E2%20%2B%2015%5E2%20%5C%5C%3D%2081%20%2B%20225%20%5C%5C%3D306)
![Diagonal = \sqrt{306} = 17.49](https://tex.z-dn.net/?f=Diagonal%20%3D%20%5Csqrt%7B306%7D%20%3D%2017.49)
Diagonal = 17.5 units
The answer is d≈1.69 and the surface area is A=9
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