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Arada [10]
2 years ago
10

Evaluate 5 x 5 x 5 show me how u got it

Mathematics
1 answer:
Elodia [21]2 years ago
5 0

Answer:

125

Step-by-step explanation:

5 x 5 x 5

when doing equations like these we go left to right so

25 x 5

125

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A market research team compiled the following discrete probability distribution, where X represents the number of automobiles ow
rodikova [14]

Answer:

The standard deviation of X is 0.7

Step-by-step explanation:

We are given the following distribution:

    x:     0        1         2       3    

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Formula:

E(x) = \displaystyle\sum x_iP(x_i)\\\\E(x) =0(0.3) + 1(0.5) + 2(0.2) + 3(0.4)\\\\E(x) = 2.1\\\\E(x^2) = \displaystyle\sum x_i^2P(x_i)\\\\E(x^2) =0(0.3) + 1(0.5) + 4(0.2) + 9(0.4)\\\\E(x^2) = 4.9\\\\Var(x) = E(x^2) - (E(x))^2 = 4.9-(2.1)^2 = 0.49\\\\\sigma(x) = \sqrt{Var(x)} =\sqrt{0.49} = 0.7

Thus, the standard deviation of X is 0.7

6 0
3 years ago
A circular tabletop has a diameter of 2.1 m. what is its area​
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so either x = 0  or x = 3/4
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