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eimsori [14]
2 years ago
9

1. Annie and her friends are playing a game called Doubles. In the game, a player

Mathematics
1 answer:
valentina_108 [34]2 years ago
7 0

The sample space is a combination of these two dice as we have shown in the attachment

  • Die A = {1,2,3,4,5,6}
  • Die b = {1,2,3,4,5,6}

<h3>What is sample space?</h3>

This is the defined to be the set of all of the possible outcomes that can exist or be possible in a random experiment.

The question has two dice. These dice are made up of numbers from 1 to 6  each.

Die A = {1,2,3,4,5,6}

Die b = {1,2,3,4,5,6}

The sample space would be pairs of two of these two dices. The total number in the sample space would be 36.

Read more on sample space here:

brainly.com/question/10558496

#SPJ1

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Is it possible for two numbers to have a difference of 8 and a sum of 1?
topjm [15]

Answer: yes , it is possible

Step-by-step explanation:

Let the first number be x and the second number be y .Then , the sum of the two numbers will be x + y , and their difference will be x - y.

Combining the two , we have :

x + y = 1 ............................... equation 1

x - y = 8 ................................. equation 2

solving the system of linear equation by substitution method. From equation 1 , make x the subject of the formula ,

x = 1 - y ...................... equation 3

Substitute equation 3 into equation 2 ,

1 - y - y = 8

1 - 2y = 8

add 2y to both sides

1 = 8 + 2y

subtract 8 from both sides

1 - 8 = 2y

- 7 = 2y

divide through by 2

y = \frac{-7}{2}

y = - 3.5

substitute y = -3.5 into equation 3 to find the value of x , we have

x = 1 - y

x = 1 - ( - 3.5 )

x = 1 + 3.5

x = 4.5

Let us check :

x + y will be

4.5 + (-3.5) = 1

Also ,

x - y will be

4.5 - (-3.5)

⇒ 4.5 + 3.5 = 8

7 0
3 years ago
I will give brainliest&lt;3 help pleaseee
lana [24]

Answer:

24

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
-6a-4= -4 (1+7a) Solve for a.
soldi70 [24.7K]

Answer:

a = 0

Step-by-step explanation:

On the right side of the = multiply -4 through

- 6a - 4 =  - 4 - 28a

add 28a and add 4 to both sides

28a - 6a = 4 - 4

22a = 0

divide both sides by 22

a = 0

6 0
3 years ago
Read 2 more answers
One number is 20 times another number. The product of the two numbers is 180. Write an equation and use it to find all pairs of
nadezda [96]
Y = 20x

y • x = 180

180/x = y

180/x = 20x

180 = 20x^2

x^2 = 6

x = + or - 3

Therefore y must equal + or - 60.
8 0
3 years ago
Read 2 more answers
Two mechanics worked on a car. The first mechanic charged $55 per hour, and the second mechanic charged $60 per hour. The mechan
Nady [450]

Answer:

15 and 5 hours.

Step-by-step explanation:

Call x the time taken by the first chap, and y the second.

\left \{ {{x+y = 20 \atop {55x+60y=1125}} \right.

Let's divide by 5 and play with the LHS of the first equation a bit:

11x+ 11y +y = 225\\11(x+y)+y= 225 we know how much x+y is ( first equation!) let's solve.

11(20) +y = 225 \rightarrow y=5 At this point it's easy to check that x=15

8 0
3 years ago
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