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alina1380 [7]
3 years ago
9

The graphs of 3x + 9y = 15 and y = mx – 4 are parallel lines. What is the value of m?

Mathematics
1 answer:
shtirl [24]3 years ago
5 0
M= -3 here is your answer

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Juanita is 13 years older than her cousin. The sum of their ages is no less than 103 years. Enter an inequality that can be used
Igoryamba
Y = x + 13
y + x ≥ 103
x + 13 + x ≥ 103
Inequality is:
2 x + 13 ≥ 103
2 x ≥ 103 - 13
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Answer:

\huge\boxed{\sf \{(-2,1)\}}

Step-by-step explanation:

Given equations:

y = x + 3

y = -x - 1

By comparing the above equations, we get:

x + 3 = -x - 1

Add x to both sides

<h3>x + x + 3 = -1 </h3><h3>2x + 3 = -1</h3>

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Substitute x = -2 in first equation.

y = x + 3

y = -2 + 3

<h3>y = 1</h3>

So,

<h3>Solution Set = {(x,y)}={(-2,1)}</h3>

\rule[225]{225}{2}

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