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Mathematics, 14.04.2020 20:07 coolmonkey3643

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Which of the following is a rational number
15, V16, 127, V22

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ansver
Answer from: Quest
Do you have answer choices?
ansver
Answer from: Quest

what is

step-by-step explanation:

ansver
Answer from: Quest

none of these

step-by-step explanation:

23 + 34 add up to 57 so just inform the teacher of this really stupid mistake

ansver
Answer from: Quest

answer: integers are just whole numbers: positive, negative, and zero.

i = {-∞, -2, -1, 0, 1, 2, 3, ∞}

 

let x = 1st integer

let y = 2nd integer

 

x = 3y + 17   {equation 1}

xy = -24         {equation 2}

 

substitute 3y+17 in place of x n equation 2

and solve for y.

 

(3y+17)y = -24

3y2 + 17y = -24

3y2 + 17y + 24 = 0

 

from quadratic equation:

 

y = [-17±√(172-4(3)(24))]/(2(3))

 

y = (-17 ±√1)/6

 

y = (-17+1)/6   or     y = (-17-1)/6

y = -16/6           or     y = -18/6

y = -2 2/3         or   y = -3

 

since we are dealing with

y = -3

 

x = 3y+17 = -9+17 = 8

 

the integers are -3, 8

step-by-step explanation:

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Which of the following is a rational number
15, V16, 127, V22...