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slamgirl [31]
3 years ago
14

[HELP] Are the diagonals of an isosceles trapezoid congruent?

Mathematics
1 answer:
erastovalidia [21]3 years ago
3 0
Yes.

the properties of an isosceles trapezoid are:
- the bases are parallel 
- opposite sides are congruent
- the angles on either side of the bases are congruent
- the diagonals are congruent
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Which graph represents the function of f(x) 9x^2 + 9x - 18 / 3x + 6
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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
A store offers 20% off all items. If x is the original purchase price, which expression represents the final price with the disc
Keith_Richards [23]

Answer:

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Step-by-step explanation:

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