3 years ago

5x+7y=10 8x-5y=2 Please help!

Mathematics

1 answer:

Mrrafil [7]3 years ago

5 0

(x,y)=(64/81, 70/81) I can provide a description if needed. I used the process of elimination.

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lilavasa [31]

Answer:

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Step-by-step explanation:

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6 0

2 years ago

Anit [1.1K]

Answer:

-1/3

Step-by-step explanation:

(-2, 5) and (1, 4)

Slope:

m=(y2-y1)/(x2-x1)

m=(4-5)/(1+2)

m=(-1)/3

m= -1/3

5 0

2 years ago

Which represents the solution set to the inequality

BigorU [14]

$\text{Use distributive property:}\\\\a(b+c)=ab+ac\\\\5.1(3+2.2x) \ \textgreater \ -14.25-6(1.7x+4)\\\\15.3+11.22x \ \textgreater \ -14.25-10.2x-24\\\\15.3+11.22x \ \textgreater \ -38.25-10.2x\ \ \ \ |-15.3\\\\11.22x \ \textgreater \ -53.55-10.2x\ \ \ \ |+10.2x\\\\21.42x \ \textgreater \ -53.55\ \ \ \ |:21.42\\\\x \ \textgreater \ -2.5\to x\in(-2.5;\ \infty)$