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andreyandreev [35.5K]
4 years ago
8

Find the solution to the system of equations: y = 2x – 4 y = -x – 2

Mathematics
1 answer:
Rzqust [24]4 years ago
7 0

Answer:

   x= 1, 2

   y= -2, 0

   x= 0, 1

   y= -2, -3

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If L is the line through the point P=(3,2,1) and parallel to the vector v=⟨2,1,−3⟩, what is an equation of the plane that contai
zavuch27 [327]

Answer:

  3x +15y +7z = 46

Step-by-step explanation:

The cross product of v = <2, 1, -3> and PQ = <-5, 1, 0> is <3, 15, 7>, the normal vector of the plane of interest. That plane contains P and Q, so the constant in the plane's equation will be ...

  <3, 15, 7> · <3, 2, 1> = 46

The desired equation is ...

  3x +15y +7z = 46

4 0
3 years ago
The points (6, -3) and (7, -10) fall on a particular line. What is its equation in point-slope form? Use one of the specified po
kumpel [21]

Answer:

Step-by-step explanation:

Given the coordinate points (6, -3) and (7, -10), we are to find the equation of a line passing through this two points;

The standard equation of a line is y = mx+c

m is the slope

c is the intercept

Get the slope;

m = Δy/Δx = y2-y1/x2-x1

m = -10-(-3)/7-6

m = -10+3/1

m = -7

Get the intercept;

Substitute the point (6, -3) and m = -7 into the expression y = mx+c

-3 = -7(6)+c

-3 = -42 + c

c = -3 + 42

c = 39

Get the required equation by substituting m = -7 and c= 39 into the equation y = mx+c

y = -7x + 39

Hence the required equation is y = -7x + 39

6 0
3 years ago
PLEASE HELP!!!!!!!!!! What decimal is represented by this expanded form?
olga55 [171]
Answer=3610.201

3*1000=3,000
6*100=600
1*10=10
2*1/10=0.2
1*1/1000=0.001

3000+600+10+0.2+0.001=3610.201
3 0
4 years ago
Tres parcelas de tierras de cultivo están a la venta. Cada parcela es de diferente tamaño. Parcela Area (en acres) Precio (en dó
Serhud [2]

Answer:

yes ok

Step-by-step explanation:

8 0
3 years ago
These are two lines that do not intersect and have the same slope. what are they called?​
Len [333]

Parallel lines is the answer

4 0
3 years ago
Read 2 more answers
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