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eduard
3 years ago
8

You are playing the slot machine. There are 3 wheels and each wheel has a picture of 7 different fruit (lemon, plum, apple, oran

ge, pear, cherry and a banana). When you pull down the level, what is the probability that at least 2 oranges will appear?
Mathematics
1 answer:
S_A_V [24]3 years ago
8 0
Here are the outcomes. You could also a tree diagram for this:

There are 49 outcomes for this problem. Therefore, 7/49 possible probability that 2 could be orange. To check if i'm correct, use a tree diagram or a compound principle.
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Y = 3x + 9
3x = y - 9
x = 1/3 y - 3
Inverse is y = 1/3x - 3
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chad earns $234 for 36 hoursof work. Geo earns $288 for 40 hours of work. Are the pay rates of these two people proportional?
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Step-by-step explanation:


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4 years ago
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Solve the following system of equations by substitution. Show all steps.
Alinara [238K]

Answer:

Given system of equations:

\begin{cases}f(x)=-x^2+2x+3\\g(x)=-2x+3\end{cases}

To solve by substitution, equate the equations and solve for x:

\begin{aligned}f(x) & = g(x)\\\implies -x^2+2x+3 & = -2x+3\\-x^2+4x & = 0\\x^2-4x & = 0\\x(x-4) & = 0\\\implies x & = 0\\\implies x-4 & = 0 \implies x=4\end{aligned}

Therefore, the x-values of the solution are x = 0 and x = 4.

To find the y-values of the solution, substitute the found values of x into the functions:

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g(4)=-2(4)+3=-5

Therefore, the solutions to the given system of equations are:

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4 0
2 years ago
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