3 years ago

What the factor of this? Look at picture

1 answer:

7 0

X^3 - 4x^2 - 3x + 18 = 0
We are told that 3 is a zero so x - 3 is a factor. Dividing x^3 - 4x^2 - 3x + 18 by x-3 gives us a quotient of x^2 - x - 6 which factors into (x-3)(x+2).

The answer to this question is (x+2)(x-3)^2 = 0

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Some player heights are normally distributed with a mean 5.0 feet and a standard deviation of 0.3 feet. Let X. equals the height

Mrrafil [7]

Answer:

P(4.7≤x≤5.3)≈0.6827≈68.27%

Step-by-step explanation:

Notice that 4.7 is 1 standard deviation below the mean (μ) and 5.3 is 1 standard deviation above the mean. Thus, by the Empirical Rule, ±1σ represents about 68.27% of the data in a normal distribution, meaning that P(4.7≤x≤5.3)≈0.6827