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lakkis [162]
3 years ago
12

The net for a cube is shown below. All the edges of one cube are 3 units long, and the edges of a second cube are 4 units long.

What is the difference between the surface areas of the two cubes? 6 square units 12 square units 28 square units 42 square units
Mathematics
1 answer:
sveticcg [70]3 years ago
5 0

6 square 6 square units

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assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes. If 10 adult smartphones use
tensa zangetsu [6.8K]

Solution: The given random experiment follows Binomial distribution with n=10,p=0.44

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\therefore P(X

                       =\binom{10}{0}0.44^{0}(1-0.44)^{12-0}+\binom{10}{1}0.44^{1}(1-0.44)^{10-1}+\binom{10}{2}0.44^{2}(1-0.44)^{10-2}

                       =1 \times 1 \times 0.0030 + 10 \times 0.44 \times 0.0054 + 45 \times 0.1936 \times 0.009672

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