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Veseljchak [2.6K]
3 years ago
9

Enter the y coordinate of the solution to this system of equations.

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
3 0
-x-y=1
-y=1+x
y=-1-x

-1-x=-2x+9
-x=-2x+10
x=10

y=-1-10
y=-11
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Write an equation of the line that passes through the points (-1, -2) and (2.4)
Lelu [443]

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As eq of line passing through 2 points is

y-y1 = (y2-y1)/(x2-x1) ][ x -x1)

where (X1,y1)( x2, y2) denotes points lying on line

substitute (X1 ,y1) by( -1,-2) and (X2,y2) by( 2,4)

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3 0
3 years ago
Solve each inequality
forsale [732]

Answer:

  1. x > -2
  2. n ≤ -2 or n ≥ 8

Step-by-step explanation:

<h3>1.</h3>

Add 7x-2 to both sides and collect terms.

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  3x > -6

  x > -2 . . . . . . . divide by 3

__

<h3>2.</h3>

Solve these one at a time, and form the union of the answers.

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4 0
2 years ago
A line that perpendicular to the line y= 2/3x + 4 and goes through the point (-2,5)
gayaneshka [121]

step 1

Find the slope of the given line

we have

y=(2/3)x+4

the slope is m=2/3

Remember that

If two lines are perpendicular, then their slopes are opposite reciprocal

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step 2

Find the equation of the line in slope intercept form

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m=-3/2

point (-2,5)

substitute

5=(-3/2)(-2)+b

solve for b

5=3+b

b=2

therefore

<h2>y=-(3/2)x+2</h2>
3 0
1 year ago
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