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Grace [21]
3 years ago
13

Assume that X has a normal distribution, and find the indicated probability.

Mathematics
1 answer:
GrogVix [38]3 years ago
6 0

Answer: 0.6827

Step-by-step explanation:

I believe it is 0.6827

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Which graph represents the function of f(x) 9x^2 + 9x - 18 / 3x + 6
Irina-Kira [14]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

f(x)=\frac{9x^{2}+9x-18}{3x+6}

Remember that in a quotient, the denominator cannot be equal to zero

so

The value of x cannot be equal to x=-2

Simplify the expression

Using a graphing tool

The roots of the quadratic equation in the numerator are

x=-2 and x=1

so

9x^{2}+9x-18=9(x+2)(x-1)

Simplify the denominator

3x+6=3(x+2)

substitute in the original expression

f(x)=\frac{9(x+2)(x-1)}{3(x+2)}

Simplify

f(x)=3(x-1)

f(x)=3x-3

Is the equation of a line

The y-intercept is the point (0,-3) (value of the function when x is equal to zero)

The x-intercept is the point (1,0) (value of x when the value of the function is equal to zero)

Graph the line, but remember that the value of  x cannot be equal to -2

The graph in the attached figure

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3 years ago
Find the point-slope equation for the line that passes through the points (-10,-20)and (1,-9)
qaws [65]
10-20=10so the answer and 10-9=1 so that's the answer

6 0
3 years ago
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