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lakkis [162]
3 years ago
7

Systems with three variables. please help

Mathematics
1 answer:
kirza4 [7]3 years ago
3 0
X= 6
Y= 0
Z= -2

CHECK
3x + y -2z =22
3(6) + 0 -2(-2) =22
18 + 0 +4= 22
22=22

x+5y+z =4
6 +5(0)+ -2 =4
6 + 0 +-2 = 4
4=4

x+3z=0
6 + 3(-2) =0
6 -6 = 0
0=0
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3 years ago
One end of a line segment has the coordinates (-6,2). If
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Answer:

The coordinates of the other end is (16,2)

Step-by-step explanation:

Given

End 1: (-6,2)

Midpoint: (5,2)

Required

Find the coordinates of the other end

Let Midpoint be represented by (x,y);

(x,y) = (5,2) is calculated as thus

(x,y) = (\frac{x_1 + x_2}{2},\frac{y_1 + y_2}{2})

So

x = \frac{x_1 + x_2}{2} and y = \frac{y_1 + y_2}{2}

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Solving for x_2

x = \frac{x_1 + x_2}{2}

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5 = \frac{-6 + x_2}{2}

Multiply both sides by 2

2 * 5 = \frac{-6 + x_2}{2} * 2

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Add 6 to both sides

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Solving for y_2

y = \frac{y_1 + y_2}{2}

Substitute 2 for y and 2 for y₁

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Multiply both sides by 2

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3 0
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Answer:

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Step-by-step explanation:

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3 years ago
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nata0808 [166]

Answer:

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3 years ago
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Ivahew [28]

Answer:

-7.2

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