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Anni [7]
2 years ago
9

Is (-3,1) a solution if the system? y = -x - 2 x + 5y = 2

Mathematics
1 answer:
Dominik [7]2 years ago
6 0

Answer:

Step-by-step explanation:

x + 5(-x - 2)= 2

x - 5x - 10 = 2

-6x - 10 = 2

-6x = 12

x = -2

y = 2 - 2 = 0

(-2, 0)

answer is no

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How do i do this 2+2
swat32

Answer: Its 4

Step-by-step explanation:

  1. Okay so 2+2 is just saying like your adding 1+1+1+1 and that gives you four.
  2. They're is another way you can get the sum too, You just add 2 to the number 2.

3 0
3 years ago
A person trying to gain access to a bank vault must pass through a series of three security doors. If an attempt to pass through
ExtremeBDS [4]

Answer:

C) S = {F, PF, PPF, PPP}

Step-by-step explanation:

For this case, we know that a person is trying to gain access to a bank vault and needs to go through 3 security doors, and we know that if the person does not pass a door, then he/she has no other attempts. We denote P= Successful pass , F= Failed pass

And we are interested on the sample space, we need to remember that the sample is the set with all the possible values for an experiment.

For this case the person can fail at the 1,2 or 3 try

For the case that fails at the 1 try we have F

For the case that fails at the 2 try we have PF

For the case that fails at the 3 try we have PPF

And the last option is that the person not fails at any try and we have PPP

So then the sample space would be given by:

C) S = {F, PF, PPF, PPP}

6 0
2 years ago
Guys I need this in like 3 mins help<br> Me
xz_007 [3.2K]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
What are the two numbers
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X=2y/3
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plug in the value of x in the second equation to have one variable in the equation...
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then multiply 3 on both sides...
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divide by 5 on both sides...
y=18
and to solve for x you have to plug in y on either equation...
1st way to solve for x:
x+18=30
subtract 18 on both sides...
x=12
2nd way to solve for x:
x=(18)2/3
you then solve...
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3 years ago
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3 years ago
Read 2 more answers
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