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mylen [45]
3 years ago
9

What is the slope of this graph? 1) -1/3, 2) 1/3, 3) 3, 4) -3​

Mathematics
1 answer:
Ivenika [448]3 years ago
6 0

Answer:

-1/3

Step-by-step explanation:

(-4,2) and (5,-1) - I got these coordinates from the graph

-1-2/5-(-4) =-3/9

-3/9÷-3/-3= -1/3

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Put the following equation of a line into slope-intercept form, simplifying all fractions.
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109725=(3000+x)(20+0.01x)\\\\ 109725=60000+30x+20x+0.01x^{2}\\\\ 0.01x^{2}+50x+60000-109725=0\\\\ 0.01x^{2}+50x-49725=0\\

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\\ x=\frac{-50 \pm \sqrt{50^{2}-4(0.01)(-49725)}}{2(0.01)}\\\\ x=\frac{-50 \pm67}{0.02}\\\\ x=\frac{-50-67}{0.02} , x=\frac{-50+67}{0.02}\\\\  x=-5850, x=850

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Therefore, the answer to this question is 850. 850 more subscribers are needed to being a total profit of $109,725

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