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dybincka [34]
3 years ago
9

What is x=3y-1 x=-2y+9

Mathematics
2 answers:
-Dominant- [34]3 years ago
8 0
Are you to combine the answer or are they 2 separate equations you need to solve for y?
NemiM [27]3 years ago
5 0
Since both equal x, just subsitute them
3y-1=x=-2y+9
3y-1=-2y+9
add 2y to both sides
5y-1=9
add 1 to both sides
5y=10
divide both sides by 5
y=2

sub back into any equation
x=3y-1
x=3(2)-1
x=6-1
x=5

x=5
y=2
(5,2)
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Greetings!

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EastWind [94]

If the three vertices of the rhombus are W(2,5),x(6,3),Y(2,1) then the area of the rhombus is 16 square units.

Given the three vertices of the rhombus are W(2,5),x(6,3),Y(2,1).

We are required to find the area of the rhombus when the fourth point Z is plotted.

We have to plot the points of the rhombus in the graph. We know that all the sides of the rhombus should be equal to each other. So by adjusting the blocks in the graph we will be able to plot Z as (-2,3).

In this way the diagonals are ZX and WY.

ZX=\sqrt{(3-3)^{2} +(6+2)^{2} }

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WY=\sqrt{(1-5)^{2} +(2-2)^{2} }

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Area of rhombus=1/2 *(d_{1} *d_{2})

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Hence if the three vertices of the rhombus are W(2,5),x(6,3),Y(2,1) then the area of the rhombus is 16 square units.

Learn more about rhombus at brainly.com/question/20627264

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