Mathematics Middle School

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) =

What Is The Probability Of Rolling An Even Number And Then An Odd Number When Rolling Two Number Cubes?Size

Answers

Answer 1

Answer:

First answer = 36

Second answer = 9

Third answer =1/4

Step-by-step explanation:

Answer 2

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.

To learn more about Probability, click :

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Answer: 42

Step-by-step explanation:

If a number and a variable are together with no sign between them, what operation does that show?

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Answer:

Multiplication

Step-by-step explanation:

If you were to solve 8x x x, you wouldn't know what that means. So, normal people place variables and numbers together to represent multiplication.

Write an expression that represents the difference of y and 32, plus the product of y and 4


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The answer is: (y-32) + 4y.
Hope it helped!
the answer is (y-32) + 4y .

Select two ratios equivalent to the ratio of white socks to brown socks?
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Answers

28/21

Since 28/7 is 4. And 21/6 is 7 they both have an equation that would equal to those ratios


Hope this helps :)
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What are the 7 & 9 for? Obviously, you had info from somewhere else for the 9 & 7 if they are THE ONLY NUMBERS here

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II is the answer to it

Martin is comparing two different video game stores.


*At Best Buy, the equation c=59.99g


*At PC Richard & Son, the cost of 2 games is $117.96, and the cost of 5 games is $294.90


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He would save $4.34 every game because when you always

-27<-9c HELP what does c = I will give brainiest

Answers

Answer: the answer is 4

Answer:

yeah, 4

Step-by-step explanation:

If x-y=6 and x^2+y^2=24, find x^3-y^3.

Answers

Answer:

162.06

Step-by-step explanation:

sorry i'm not the best an explaining but i'm confident in my answer.

the first thing to do is get rid of the ² in x²+y²=24, we do this by √24 which ≅4.90 (i rounded to the hundreth place)

then we have this

x-y=6

x+y=4.90

I am using the elmination method. To do that you need to get two letters to have the same coefficient (in 4x 4 is the coefficient) with oposite signs (one possitive one negitive)

In our equation here we see that the same coefficient is 0, and there is oposite signs for y. Therefore we can add the two equations and get

2x=10.9 (the y cancels out)

now we have a simple equation and all that is left is to solve it

10.9/2=5.45

x=5.45

Now we need to find y we do that by pluging the x value into one of the equations I choose the first one becasue its easiest.

(5.45)-y=6  

y= - .55

now that we have both x and y plug them into the final equation (5.45)³-(-.55)³= 161.89-(-.17) =162.06

Therefore x³-y³≅162.06!

(if you have any questions or would like to debate the answer please let me know!)

Fill in the blank with the correct response.
If 3/4 = x/18 , then x is equal to

Answers

Answer: x = 13.5

3/4 = x/18

⇔ x = 3/4 .18 = 27/2 = 13.5

Step-by-step explanation:

Answer:x = 27/2

Step-by-step explanation:

Step 1: Cross-multiply

3/4=x/18

(3)*(18)=x*(4)

54=4x

Step 2: Flip the equation.4x=54

Step 3: Divide both sides by 4x/4=54/4x

= 27/2

I hope it helps you!

Please make as brilliant!!

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I’m not understanding what you mean
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Answer:

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2,000. It's usually the best answer :)

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Answer:

It's the second option

Step-by-step explanation:

the answer should be 233 but he got 243 because he forgot to regroup

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Answers

Answer:

36x+12y

Step-by-step explanation:

If you multiply them you get that. Hope this helps, let me know if correct!!

The difference between a number р and 6 is –14.

Answers

Answer is -20. Do you want the step by step solution?
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Step-by-step explanation:

180 is the answer, hope this helps

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Answer:

The anwser is D

Step-by-step explanation:

Answer:

43

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Answers

Answer:

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C
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Answers

6 to 20 because there 6 yellow blocks and 20 other blocks in total

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Answer:

C & F

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Answers

To convert larger units to smaller units mulitply when the units are smaller you need more pf them to express the same measure. To convert smaller units to larger units, divide. When the units are larger, you need fewer of them to express the same measure.

Answer:

To convert greater units to smaller units you mulitply. When the units are smaller you need more to express the same measure. When you have to  convert smaller units to larger units, divide. When the units are bigger, you need less of them to be the same measure.

Step-by-step explanation:

I re-worded this so It wouldnt be like the sample response. Have a great time doing whatever your doing.

TELL ME WHY
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Answer:

B

Step-by-step explanation:

it's going up at a steady rate

B jdjskekldkskdn hope it helps

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8c=98
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Answer:

b

Step-by-step explanation:

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(Question Below)

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Answer:

90

Step-by-step explanation:

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c is the correct one

Answer:

Probably C

Step-by-step explanation:

Repeating Decimal: a decimal where a number or a pattern of numbers repeats forever

For example, 0.2222... or 0.671671....  (The "..." means that it repeats like that forever)

A. 3/7=  0.142857142857142857... (6 repeating digits)  This is a repeating decimal because the last six digits continue forever

B. 3/4=0.75. This number is not a repeating decimal because a repeating decimal goes on forever, while this only has two decimal places.

C. 1/9= 0.11111... This is a repeating decimal because it goes on forever and has a pattern (all are 1s)

D. 5/11=0.454545... This is also a repeating decimal because the last two digits repeat forever.

There is probably something wrong with the question (or your unit) because three of these numbers are, in fact, repeating decimals. If I were you, I would ask your teacher (it gets you respect from the teacher=more chance that they'll be lenient with you)

But if you really don't want to, I would go with "C" because it only has one repeating decimal place, and your curriculum probably says that a repeating decimal is only one digit.

Good Luck! :)

pls go do another problem if u dont know how tod this....... Simplify −9+1/4x−6−1/8x show your work

Answers

Answer:

-15 + 1/8x

Step-by-step explanation:

calculate the difference

-9 +-6 = -15  then

1/4x -1/8x =1/8x

solution -15+1/8x

How to subtract 1/4x =1/8x   ( this should help )

1/4x -1/8 x    get the least common denominator  which is 2

2x/2x4 -x/8    multiply the numbers

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-15 +1/8x is the answer
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