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Elden [556K]
2 years ago
12

Solve the following system of equations graphically.. . x + y - 4 = 0. x - y = 0. . The solution lies in quadrant _____.. . . I.

II. III. IV
Mathematics
2 answers:
KonstantinChe [14]2 years ago
5 0
We may add the equations to find the value of the x first,
                                            x + y = 4
                                 +         x - y = 0
The sum would be 2x = 4 which gives the value of x as 2. Substitute this value to any of the equations to solve for y. The value of y is 2. Thus, the solution of the system is (2, 2) which is in the Quadrant 1. 
Alenkasestr [34]2 years ago
3 0
Add them together
2x-4=0
2x=4
x=2

2-y=0
y=2
(2,2)
in quadrant 1

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the probability that a random sample of 17 persons will exceed the weight limit of 3,417 pounds is 0.0166

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sample size = 17

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