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torisob [31]
3 years ago
12

The equation x + 3y=9 and the equation 2x+6y=18 are plotted on the same graph chart. All of the following points will lie on bot

h graphs EXCEPT
A. (9,0)
B. (0,3)
C. (6,1)
D. (12, -1)
E. (3,4)
Mathematics
1 answer:
PolarNik [594]3 years ago
5 0
Im sorry all i know is that the lines are parallel and A and B are definitely on the line, i believe the answer is D
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Answer:

y = 16.

Step-by-step explanation:

The ratio of corresponding sides of similar triangles are the same.

The small and large triangles are similar ( - that is corresponding angles are congruent).

So 2/(2+8) = x / 20

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1 year ago
A right triangle has a leg of 12 cm and a hypotenuse of 19 cm.
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Answer:

14.7 cm

Step-by-step explanation:

Using Pythagoras Theorem,

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=  \sqrt{ {19}^{2}  -  {12}^{2} }

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= 14.730919...

= 14.7 cm (rounded to the nearest tenth)

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2 years ago
Graph the linear equation x-3y=-6
TEA [102]

Answer:

Step-by-step explanation:

One of the easier approaches to graphing a linear equation such as this one is to solve it for y, which gives us both the slope of the line and the y-intercept.

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Dividing both sides by 3, we get   y = (1/3)x + 2.

So the slope of this line is 1/3 and the y-intercept is 2.

Plot a dot at (0, 2).  This is the y-intercept.  Now move your pencil point from that dot 3 spaces to the right and then 1 space up.  Draw a line thru these two dots.  End.

Alternatively, you could use the intercept method.  We have already found that the y-intercept is (0, 2).  To find the x-intercept, let y = 0.  Then x = -6, and the x-intercept is (-6, 0).

Plot both (0, 2) and (-6, 0) and draw a line thru these points.  Same graph.

7 0
3 years ago
Read 2 more answers
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