What is the probability of rolling an even number and then an odd number when rolling two number cubes?
Size of sample spaces =
Number of desired outcomes =
P(first is even and second is odd) =
Answers
Answer:
First answer = 36
Second answer = 9
Third answer =1/4
Step-by-step explanation:
The probability of rolling an even number and then an odd number is 1/4.
What is Probability?Probability is simply the chance of getting an event from a sample space. Total probability of all the outcomes in an experiment will be always 1.
Probability of an event can be found by dividing the number of desired outcomes with the total number of outcomes.
Here two number cubes are rolled. Each number cube has total 6 outcomes.
If the sample space consists of all the outcomes of first and second number cubes,
Size of sample space = 6² = 36
We have to find the probability of rolling an even number on the first cube and then an odd number on the second cube.
There are 3 chances of having an even number for the first cube which are 2, 4 and 6.
There are 3 chances of having an odd number for the second cube which are 1, 3 and 5.
Therefore number of desired outcomes = 3² = 9
Probability (first is even and second is odd) = Number of desired outcomes / Size of the sample space
Probability (first is even and second is odd) = 9/36 = 1/4
Hence the probability of getting an even number on the first number cube and then an odd number on the second cube is 1/4.
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Line d is parallel to line c in the figure below.
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Step-by-step explanation:
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Step-by-step explanation:
1) I simplified on the bottom
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3) then I just divided
4) then just combine the x and y and that's how I got this answer
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Step-by-step explanation:
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Answers
Answer:
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Your friend's pay rate is :
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Step-by-step explanation
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Step-by-step explanation:
Answer:
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Answer:
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Step-by-step explanation:
its easy
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Answers
Answer:
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Step-by-step explanation:
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Step-by-step explanation:
Answer:
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Step-by-step explanation:
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Step-by-step explanation:
Just plug in the values of x and y for each set of coordinates.
Example from the first one
4x=y
4(5)=20
20=20 True
make sure all are valid by plugging in the next set of coordinates
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28=28 True
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Step-by-step explanation:
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Step-by-step explanation:
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Step-by-step explanation:
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Answers
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Step-by-step explanation:
What steps would you follow in order to solve the equation?
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subtract 4 on each side and divide by 8
add 4 on each side and divide by 8
add 4 on each side and multiply by 8
subtract 4 on each side and multiply by 8
Answers
Answer:
c. add 4 on each side and multiply by 8
Step-by-step explanation:
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Answers
Answer:
1. x = 11.7
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Step-by-step explanation:
Use the system of equations to answer the questions.
5x+4y=3
y=−2x+6
The value of y from the second equation is substituted back into the first equation. What is the resulting equation?
What is the value of x?
What is the value of y?
Answers
The resulting equation after substitution is
5x + 4(-2x + 6) = 3
quite literally you replaced y with what it equals (as said in the second equation)
you then distribute the 4 within the parenthesis
5x + -8x + 24 = 3
You make it easier
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you then use that value x = 7 and substitude it for the x in the other equation.
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y = -2(7) + 6
you then solve
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5x+4(-2x+6)=3
Then solve for x
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5x-8x+24=3
Combine like terms
-3x+24=3
Subtract 24 from both sides
-3x=-21
Isolate x by dividing -3 to both sides
x=7
Replace x with 7 in either equation and then solve
y=-2(7)+6
Multiply -2 by 7
-14+6
Add
y=-8