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Sever21 [200]
3 years ago
7

In the game of roulette, a player can place a $4 bet on the number 10 and have a 1/38 probability of winning. If the metal ball

lands on 10, the player gets to keep the $4 paid to play the game and the player is awarded an additional $140. Otherwise, the player is awarded nothing and the casino takes the player’s $4. What is the expected value of the game to the player? If you played the game 1000 times, how much would you expect to lose?
Mathematics
1 answer:
Ahat [919]3 years ago
5 0

this one is kinda Hard ill do sum research and help

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Answer:

144

Step-by-step explanation:

3 0
3 years ago
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A population of butterflies grows in such a way that each generation is simply 1.5 times the previous generation. There were 350
kap26 [50]

Answer:

378.5 or just 378

Step-by-step explanation:

This is a linear model with x representing the number of generations that's gone by, y is the number of butterflies after x number of generations has gone by, and the 350 represents the number of butterflies initially (before any time has gone by.  When x = 0, y = 350 so that's the y-intercept of our equation.)

The form for a linear equation is y = mx + b, where m is the rate of change and b is the y-intercept, the initial amount when x = 0.

Our rate of change is 1.5 and the initial amount of butterflies is 350, so filling in the equation we get a model of y = 1.5x + 350.

If we want y when x = 19, plug 19 in for x and solve for y:

y = 1.5(19) + 350

y = 378.5

Since we can't have .5 of a butterfly we will round down to 378

7 0
3 years ago
Verify if 1/2x-2 and g(x) = 2x + 4 are inverses
Triss [41]
They are inverses if f( (g(x)) = x

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so this proves that g(x) is the inverse of f(x)

the other inverse g((f(x))  should also be = x
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Rama09 [41]
The answer is 7 1/4 
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3 0
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Arlecino [84]

x ≤ -2

Step-by-step explanation:

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6 0
2 years ago
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