3 years ago

Which a, b, and c values should be substituted into the quadratic formula for this equation? x2 - x 5 + 1 = 0

1 answer:

6 0

For A substitute it with 1 for x squared, because is has a coefficient of 1, -5 for B because the coefficient of -5x is -5, and 1 for C because there is no variable connected to is, and one is the coefficient.

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Heights of 10-year-olds, regardless of gender, closely follow a normal distribution with a mean of 55 inches and a standard devi

Svetllana [295]

Answer:

Step-by-step explanation:

Given that Heights of 10-year-olds, regardless of gender, closely follow a normal distribution with a mean of 55 inches and a standard deviation of 6 inches.

If X is height then X is N(55,6)

Z score would be $\frac{x-55}{6}$