3 years ago

Suppose a system of two linear equations has one solution. What must be true about the graphs of the two equations?

1 answer:

5 0

When two linear equations have only one solution the two lines on a graph would intersect each other ( they would only touch in one spot).

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VLD [36.1K]

0.0000000005 9 zeros

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Maslowich

Answer:

x = 8

Step-by-step explanation:

-6x + 63 = -9

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Keith_Richards [23]

I am pretty sure -44 what you have up there is correct.

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iren [92.7K]

Answer:

m<ACD = $50^{o}$

Step-by-step explanation:

From the question given, ΔACD is a right angled triangle. Then we can apply one of the properties of a triangle to it.

In the triangle ACD:

<ACD + <DAC + <ADC = 180 (sum of angles in a triangle)

<ACD + 40 + 90 = 180

<ACD + 130 = 180

<ACD = 180 - 130

<ACD = $50^{o}$

With the application of the property of the sum of interior angles of a triangle, the measure of <ACD is $50^{o}$ .

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3 years ago