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Over [174]
3 years ago
5

Two friends, Andrew and Liz, are playing a game using this spinner. If the spinner lands on region 4, Andrew wins. If it lands o

n region 2, Liz wins. If it lands on any other region, nobody wins. Is this a fair game?
Mathematics
1 answer:
Neporo4naja [7]3 years ago
4 0

Answer:

Step-by-step explanation:

Yes cause they each have a 50/50 chance of losing or winning

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Answer:

1750

Step-by-step explanation:

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2 years ago
Using the quadratic formula to solve 4x2 – 3x + 9 = 2x + 1, what are the values of x?
yaroslaw [1]

Answer:

The value of x is:

x=\dfrac{5\pm \sqrt{103}i}{8}

Step-by-step explanation:

we have to use the quadratic formula to solve for x.

The equation is given as:

4x^2-3x+9=2x+1

which could also be written as:

4x^2-3x+9-2x-1=0\\\\4x^2-3x-2x+9-1=0\\\\\\4x^2-5x+8=0

The quadratic formula for the quadratic equation of the type:

ax^2+bx+c=0 is given as:

x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}

Here we have:

a=4, b=-5 and c=8.

Hence, by the quadratic formula we have:

x=\dfrac{-(-5)\pm \sqrt{(-5)^2-4\times 8\times 4}}{2\times 4}\\\\x=\dfrac{5\pm \sqrt{25-128}}{8}\\\\\\x=\dfrac{5\pm \sqrt{103}i}{8}

Hence, the value of x is:

x=\dfrac{5\pm \sqrt{103}i}{8}

8 0
3 years ago
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Sloan [31]
I believe the last one about right triangles. That’s why Pythagorean Theorem works.
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Given the two points what is the slope of the line?<br> (4,2) (10.4)
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Therefore, the equation is y=1/3x+2/3

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valina [46]
Altitude is another word for height so it would be the first answer
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