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4 years ago

3. In a game, if you roll an 1 on an 6-sided number cube, you lose a turn.

1 answer:

3 0

A) 1 out of 6, their is only 1 number 1 on a six sided cube.
b) 6/6, this can be any number on this cube
c) 5/6, 2, 3, 4, 5, and 6 still remain on the cube

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Substitute the values for a, b, and c into b2 – 4ac to determine the discriminant. Which quadratic equations will have two real

hoa [83]

Answer: $0=2x^2-7x-9\\0=4x^2-3x-1\\0=x^2-2x-8$

Step-by-step explanation:

We know that the standard quadratic equation is ax^2+bx+c=0

Let's compare all the given equation to it and , find discriminant.

1. a=2, b= -7, c=-9

$b^2-4ac=(-7)^2-4(2)(-9)=49+72>0$

So it has 2 real number solutions.

2. a=1, b=-4, c=4

$b^2-4ac=(-4)^2-4(1)(4)=16-16=0$

So it has only 1 real number solution.

3. a=4, b=-3, c=-1

$b^2-4ac=(-3)^2-4(4)(-1)=9+16=25>0$

So it has 2 real number solutions.

4. a=1, b=-2, c=-8

$b^2-4ac=(-2)^2-4(1)(-8)=4+32=36>0$

So it has 2 real number solutions.

5. a=3, b=5, c=3

$b^2-4ac=(5)^2-4(3)(3)=25-36=-9$

Thus it does not has real solutions.

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3 years ago

Read 2 more answers

5(2+x)+2=32 what is x

pentagon [3]

10+5x+2=32 5x+12=32 5x=20 x=4

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3 years ago

6x-9=0. Which answer shows the equation written in function

fgiga [73]

Answer:

y = 6x - 9

Step-by-step explanation:

The function is; y = 6x - 9

Here, variable x is independent.

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3 years ago

Give me the proprty of this equation 83+6=6+83

LuckyWell [14K]

Commutative property of addition states that x + y = y + x, or in this case 83 + 6 = 6 + 83

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4 years ago

Can someone help solve this? if you do, don't put a picture because i can't see them.

Zepler [3.9K]

Answer:

1.22500

Step-by-step explanation:

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3 years ago