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Rasek [7]
3 years ago
5

Determine the solution to the following system of equations: 2x+4y=-12 x+2y=-2

Mathematics
2 answers:
slavikrds [6]3 years ago
8 0

Answer: The answer is no solution.


Step-by-step explanation:

First you want to isolate x.

  x=-2(y+3)

Then you substitute.

  [-2(y+3)+2y=-2]

Then you refine.

  -4=0

As you can see -4 isn't equal to 0, therefore this system is false. Which is where we get the answer no solution.  


jolli1 [7]3 years ago
4 0

Answer:

undefined/no solution

Step-by-step explanation:

you use elimination to solve. So multiply 2x+4y=-12 by 1 and x+2y=-2 by 2. then you subtract 2x+4y=-12 by 2x+4y=-4 and get 0y=-8. Anything divided by 0 is undefined/no solution because you can't divide anything by 0.

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Rolling a Red and Yellow Dice
grandymaker [24]

Answer:

Option C 5/12 is correct option

Step-by-step explanation:

We have to find the probability that shows yellow dice has a larger value than the red dice.

Probability= total no of favorable outcomes / total no of outcomes

in our case, considering the data set, we have to find those pair where value of yellow die is greater than the red die. Where (1,2) represents 1 on the red die and 2 on the yellow die

(1,2) (1,3) (1,4) (1,5) (1,6)

     (2,3) (2,4) (2,5) (2,6)

              (3,4) (3,5) (3,6)

                       (4,5) (4,6)

                                (5,6)

These are the possibilities where yellow die has greater value than red die.

total no of favorable outcomes = 15

total no of outcomes = 36

probability that yellow die has greater value than red die = 15 / 36

                                                                                                = 5/ 12

Option C 5/12 is correct option

3 0
2 years ago
Find the distance CD rounded to the near
DanielleElmas [232]

the distance between cd rounded to the nearest tenth is ≈ 7

4 0
2 years ago
Justin has $7.50 more than Eva, and Emma has $12 less than Justin. Together, they have a total of $63.00. How much money does ea
uysha [10]

Answer:


Step-by-step explanation:   emma's amount be X .  justin has $7.50+x because he has $7.50 more than emma.Since emma has 7.50+x-$12.to get everyones amount add what they have together which is=$7.50+x+$7.50+x-12 which in total is $63.00.after the calculations you get x=30.now distribute the x equally. so justin has $7.50+30=37.50.we also distribute it with emma's which is 7.50+30-12=25.5.

justin=$37.50

Emma=$25.50

to be sure add 37.50+25.50=$63


5 0
3 years ago
Can you explain it for me?
nikdorinn [45]
B is the right answer
5 0
2 years ago
What does change mean in math PLEASE HELP AND ANSWER RIGHT AWAY IF YOU AVAILABLE
Mazyrski [523]

Answer:

"The mean is the average of the numbers: a calculated "central" value of a set of numbers. To calculate it: add up all the numbers, then divide by how many numbers there are." -- Math is Fun


4 0
3 years ago
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