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stira [4]
2 years ago
6

X−6y=19 solve for y.

Mathematics
1 answer:
Mrac [35]2 years ago
5 0

Answer: y= - 19/6+x/6

Step-by-step explanation: maybe

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harkovskaia [24]

$45 - 15% = $38.25

$53 - 20% = $42.04

So the Forever 21 dress would cost less.

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Choice c us the correct answer
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for freinds share 32 tokens at the arcade .if they share them equally ,what fraction of tokens will each person get?            
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Suppose . has 4 critical points. List them in increasing lexographic order. By that we mean that (x, y) comes before (z, w) if o
V125BC [204]

The points are (0,0) Minimum and (1/6, 1/18) is the saddle point.

What is the saddle point?

  • A saddle point, also known as a minimax point, is a place on the surface of a function's graph where the slopes in orthogonal directions are all zero but the function does not have a local extremum.

To solve the question we have:

f(x,y) = xy(1-2x-6y)

Therefore, f(x,y) = xy-2x²y-6xy²

Finding the partial derivative of the above gives:

fₓ = y - 4xy-6y²

= x - 2x²-12xy

Therefore, when the above equations are set to 0 we get:

y - 4xy-6y² = 0.......(1)

x - 2x²-12xy  = 0......(2)

Dividing equations (1) and (2) by y and x respectively give:

1 - 4x - 6y = 0

1 - 2x - 12y = 0  

Solving gives:

x = 0.167 = 1/6

y = 0.056 = 1/18

When we place x in equation (1) we have:

y - 4(1/6)y-6y² = 0

y = 0 or y = 1/18

Similarly, x = 0 or 1/6

Therefore, the four critical points are:

(0,0) (1/6,1/18)

When x = 0 and y = 0

f(x,y) = 0 Hence this is a minimum

When x = 1/6 and y = 1/18

f (x,y) = 1/324 Which is a saddle point.

Therefore, the points are (0,0) Minimum, and (1/6, 1/18) is the saddle point.

Know more about saddle point here:

brainly.com/question/17465347

#SPJ4

The question you are looking for is here:

(1 point) The function f(x,y)=xy(1−2x−6y) has 4 critical points. List them and select the type of critical point. Points should be entered as ordered pairs and listed in increasing lexicographic order. By that, we mean that (x,y) comes before (z,w) if x

4 0
1 year ago
Anyone please help me please I will pray for you I’m crying Ron I’m trying my hardest to answer I can’t please anyone help
vodka [1.7K]
Answer: Joanna will have 275.4 and Zinaya will have 360.

Joanna Equation: 1,530 x .06 = 91.8
91.8 x 3 = 275.4

Zinaya Equation: 1,500 x .08 = 120
120 x 3 = 360

Hope this helps!!
5 0
3 years ago
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