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Pavlova-9 [17]
3 years ago
9

Find the solution of this system of equations. separate the x and y values. x=2+y -6x-6y=-12

Mathematics
1 answer:
zheka24 [161]3 years ago
8 0
<span>{x=2+y
{-6x-6y=-12

-6(2+y) -6y = -12
-12 - 6y - 6y = -12
-12y = -12 + 12
-12y = 0
y = 0

x = 2 + y = 2 + 0 = 2

Answer: x=2, y=0</span>
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PLEASE I NEED HELP ASAP
Lubov Fominskaja [6]

Answer:

19

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Can someone please help me and give me reasoning explanation for this? I’m confused.
sattari [20]
Answer is a. (-13, 12) b. (4, 11)

Step by step

When your rule is
(x,y) ➡️ (x -8, y +2)

a)
You take your input (-5, 10) and add your input rule to that input to get your output.

Input of x is -5, add x rule -8 = -13
Input of y is 10, add y rule +2 = 12

Your output or new coordinate is (-13, 12)

b) You take your input (12, 9) and add your input rule to that input to get your output.

Input of x is 12, add x rule -8 = 4
Input of y is 9, add y rule +2 = 11

Your output or new coordinate is ( 4, 11)

If your rule changes the process is still the same. Remember to watch adding or subtracting negatives. You can use a graph and plot your input and count out your “rule” to double check your work if you want.
7 0
1 year ago
What is the first quartile<br> value of 16 18 20 14 17 27 33 9 + 12​
pochemuha

Answer: 6

Step-by-step explanation:

176282836287262727277336 don’t listen to this answer

3 0
2 years ago
An online shopping club has 4,600 members when it charges ​$9 per month for membership. For each ​$1 monthly increase in members
rjkz [21]

Answer: R  = (4600 - 200x) ( 9 + 1x)

Step-by-step explanation:

We have that

Revenue  =  Members  *  (Cost Per Member)

Where x represents the number of $1  increases

7 0
1 year ago
Factor the trinomial. You many need to check the discriminant to make sure it can be factored. SHOW YOUR WORK.
lbvjy [14]
Check the discriminant (always a good idea).

b^2 - 4ac 
b = -19
c = -15
a = 10

(-19)^2 - 4(10)(-15)
361 + 600
961

Yes it can be factored, but if you like, you could use the quadratic formula.
x = [- (-19) +/- sqrt(961)]/(2 * 10)
x = [19 +/- 31 ] / 20
x = (19 + 31/20
x = (50)/20
x = 5/2

x = [19 - 31] / 20
x = [- 12]/20
x = -3/5

Getting the factors is a little tricky.
(x - 5/2)(x + 3/5) = 0
The first factor is found by putting 
x - 5/2 in that form and multiplying through by 2
1/2 (2x - 5) The 1/2 comes from multiplying by 2. 

The second factor is
1/5 (5x + 3)

So the equation will look like 
1/2(2x - 5)1/5(5x + 3) = 0 If you multiply by 2 you get
(2x - 5)1/5(5x + 3) = 0 and now multiply by 5 you get
(2x - 5) (5x + 3) 

Check
2x*5x - 25x + 6x - 15
10x^2 - 19x - 15 = 0

So everything works out. 
6 0
3 years ago
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