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NikAS [45]
3 years ago
13

Two lines, A and B, are represented by equations given below: Line A: y = x − 4 Line B: y = 3x + 4 Which of the following shows

the solution to the system of equations and explains why? (−3, −5), because the point satisfies one of the equations (−3, −5), because the point lies between the two axes (−4, −8), because the point satisfies both equations (−4, −8), because the point does not lie on any axis
Mathematics
2 answers:
Ede4ka [16]3 years ago
5 0
(-4,-8) because it satisfies both equations
notsponge [240]3 years ago
3 0

Answer:

The solution is (-4,-8)because the point satisfies both equations.

Step-by-step explanation:

Line A: y = x − 4

Line B: y = 3x + 4

Substitute the value of y from Line A in Line B

x-4=3x+4

-4-4=2x

-8=2x

-4=x

Substitute the value of x in Line B to get value of y

y=3x+4

y=3(-4)+4

y=-12+4

y=-8

Thus the solution is (-4,-8)because the point satisfies both equations.

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During the national day celebrations.Asha decorates her balcony with serial lights of red,green and white colours.The red light
expeople1 [14]

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<u>Solution:</u>

Given that the red light blinks at intervals of 4 seconds, the green at 5 seconds and the white at 6 seconds.

If all three colored lights blink together at 8:49 pm,

We have to find when will they blink together again?

First let us know, at what intervals they all together blink.

For that we have to find the lcm of 4, 5, 6.

L.C.M (4, 5, 6) = 2 x L.C.M(2, 5, 3)

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6 0
2 years ago
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katrin2010 [14]

Answer:

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Step-by-step explanation:

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