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Katyanochek1 [597]
3 years ago
13

Graph 6x-2y=2 ,9x-3y=1

Mathematics
1 answer:
enot [183]3 years ago
4 0

It's a linear function. We need only two points to draw a graph.

We choose any values of x and calculate the value of y.

6x-2y=2\qquad|-6x\\\\-2y=-6x+2\qquad|:(-2)\\\\y=3x-1

for x= 0 → y = 3(0) - 1 = 0 - 1 = -1 → (0, -1)

for x = 2 → y = 3(2) - 1 = 6 - 1 = 5 → (2, 5)

9x-3y=1\qquad|-9x\\\\-3y=-9x+1\qquad|:(-3)\\\\t=3x-\dfrac{1}{3}

for x = 0 → y = 3(0) - 1/3 = 0 - 1/3 = -1/3 → (0, -1/3)

for x = 2 → y = 3(2) - 1/3 = 6 - 1/3 = 5 2/3 → (2, 5 2/3)

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We collect the terms:
8n^2 -10n + 137 = 0

The steps for completing the square:

1) Move the "non X" (or "non N") term to the right:

8n^2 -10n  = -137

<span>2)<span> Divide the equation by the coefficient of N² which in this case is 8
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3) Take the coefficient of "N"; divide it by 2; square it; add it to both sides of the equation.
-1.2 / 2 = -.6
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</span>
n^2 -1.2n +.36 = <span>-17.125 +.36

Take the square root of both sides:</span>
(n-.6)*(n-.6) = sq root( <span> <span> <span> -16.765 </span> </span> </span> )
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3 years ago
The first diagram shows an equilateral triangle and a
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Step-by-step explanation:

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Ar = ¼√3 s²

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As = s²

Substituting:

Ar = ¼√3 As

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Step-by-step explanation:

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3 years ago
Quick! Need the answer
zvonat [6]
Replace the x in the equation with the given value of x and you will find that the 3rd equation is corret.

F(X) = 4(1/2)^X

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Your answer is 116

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