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Tresset [83]
2 years ago
10

gabi and mina both okay a single player game where they try to survive as many rounds as possible without crashing their car int

o a wall here's the historical data for how many rounds

Mathematics
1 answer:
erastovalidia [21]2 years ago
5 0

Answer:

It's exactly normal, because both populations are normally distributed.

Step-by-step explanation:

khan :)

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What are the roots to<br> the equation<br> 2x² + 6x-1=0?
lys-0071 [83]

Answer:

The roots of  equations are as m =  \frac{-3}{2} + \frac{\sqrt{11} }{2}  And n =  \frac{-3}{2} - \frac{\sqrt{11} }{2}    

Step-by-step explanation:

The given quadratic equation is 2 x² + 6 x - 1 = 0

This equation is in form of a x² + b x + c = 0

Let the roots of the equation are ( m , n )

Now , sum of roots = \frac{ - b}{a}

And products of roots = \frac{c}{a}

So, m + n = \frac{ - 6}{2} = - 3

And m × n =  \frac{ - 1}{2}

Or, (m - n)² = (m + n)² - 4mn

Or, (m - n)² = (-3)² - 4 (\frac{ - 1}{2})

Or, (m - n)² = 9 + 2 = 11

I.e m - n = \sqrt{11}

Again m + n = - 3    And m - n = \sqrt{11}

Solving this two equation

(m + n) + ( m - n) = - 3 + \sqrt{11}

I.e 2 m =  - 3 + \sqrt{11}

Or, m = \frac{-3}{2} + \frac{\sqrt{11} }{2}

Similarly n =  \frac{-3}{2} - \frac{\sqrt{11} }{2}      

Hence the roots of  equations are as m =  \frac{-3}{2} + \frac{\sqrt{11} }{2}  And n =  \frac{-3}{2} - \frac{\sqrt{11} }{2}      Answer

6 0
3 years ago
Giving brainliest !!!!
Artemon [7]
I think 25?? I hate ixl, I’m so sorry you have to deal with that
8 0
2 years ago
Read 2 more answers
What is the value of x
likoan [24]

Answer: The value of x is 8x

Step-by-step explanation:

3 0
3 years ago
What the value of 4x - 6y x=3 y=-2
earnstyle [38]

Answer:

24

Step-by-step explanation:

Substituting...

4(3) - 6(- 2)

12 + 12

24

5 0
3 years ago
For the straight line defined by the points ( 3 , 51 ) (3,51) and ( 5 , 87 ) (5,87) , determine the slope ( m m ) and y-intercep
Lerok [7]

Answer:

Intercept = - 3 ; slope = 18

Step-by-step explanation:

Given the points :

(3, 51) ; (5, 87)

x1 =3, y1 = 51, x2 = 5 ; y2 = 87

Slope intercept relation:

y = mx + c

m = slope ; c = intercept ; x and y are x, y vlayes respectively

Slope (m) = (y2 - y1) / (x2 - x1)

Slope (m) = (87 - 51) / (5 - 3)

Slope = 36 / 2

Slope (m) = 18

The intercept c :

m = 18 ; x = 5 ; y = 87

Substitute values into the slope intercept formula :

87 = 18(5) + c

87 = 90 + c

c = 87 - 90

c = - 3

Intercept = - 3

4 0
3 years ago
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