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alekssr [168]
4 years ago
7

Give examples of two different numbers that can be used to represent a probability value. Then, give examples of two numbers tha

t can never represent a probability value. Explain why the last two values you gave cannot represent a probability value.
Mathematics
1 answer:
Furkat [3]4 years ago
4 0

Answer:

-0 and 1 represent a probability value

2 and -1  never represent a probability value.

Step-by-step explanation:

Probability values should range from 0 to 1. The probability of 0 means there is no chance and of 1 means probability is really certain

So any number range from 0 to 1 will be great like: 0.5; 0.9 ...

and  any number outside the range of 0 to 1 is not realistic. Values like 2 or -1 do not represent probability values.

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1. -4x + 5 = 2x - 7<br> 2. 6x - 8 = 4x + 2<br> 3. -3x - 5 = 2x + 10
Svetllana [295]

Answer: 1. x=2

 2. x=5    

 3.x=-3

Isolate the variable by dividing each side by factors that don't contain the variable.

Move all terms not containing x    to the right side of the equation.

Hope this helped

7 0
3 years ago
Solve the equation of exponential decay.
BabaBlast [244]

Answer:

$9,220,000(0.888)^t

Step-by-step explanation:

Model this using the following formula:

Value = (Present Value)*(1 - rate of decay)^(number of years)

Here, Value after t years = $9,220,000(1 -0.112)^t

          Value after t years =  $9,220,000(0.888)^t

3 0
4 years ago
What 35%as a decimal?<br> Please help!
katrin2010 [14]
The answer is .35 not 3.5
5 0
3 years ago
1573-(640+30)+907 operaciones combinadas
igor_vitrenko [27]

Answer:

1810

640+30=670

1573-680=903

903+907=1810

6 0
3 years ago
Find the distance between the complex numbers. z1 = 9 - 9i z2 = 10 - 9i
steposvetlana [31]

Answer:

The distance between the two given complex numbers = 9

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<u><em>Step(i):</em></u>-

Given  Z₁ = 9 - 9 i    and Z₂ = 10 -9 i

Let A and B represent complex numbers Z₁ and Z₂ respectively on the argand plane

⇒ A =  Z₁ = x₁ +i y₁ = 9 - 9 i and

    B = Z₂ = x₂+ i y₂ = 10 -9 i

Let (x₁ , y₁) = ( 9, -9)

     (x₂, y₂) = (10, -9)

<u>Step(ii)</u>:-

<em>The distance between the two points are </em>

    A B   =   \sqrt{(x_{2} - x_{1})^{2}+(y_{2} - y_{1})^{2}    }

    A B =   \sqrt{(10 - 1)^{2}+(-9 - (-9))^{2}    }

   AB   = \sqrt{(9)^{2} +(-9+9)^{2} }

 <em> AB    =  √81 = 9</em>

<u><em>Conclusion:-</em></u>

The distance between the two given complex numbers = 9

<u><em></em></u>

3 0
3 years ago
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