3 years ago

The variable y varies inversely with x and y=8 when x=5. what is y when x=2?

Mathematics

1 answer:

andrew-mc [135]3 years ago

4 0

The answer will be Y=20

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What is 5.22 irrational, rational, integer, whole or natural number?

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4 years ago

(5x³ -2x² + 1) ÷ (x - 3)

PolarNik [594]

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Step-by-step explanation:

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2 years ago

const2013 [10]

The equation in the given standard form is $(x+10)^2+(y+6)^2=5^2$

<h3>Equation of a circle</h3>

The standard equation of a circle is expressed as:

$(x-a)^2+(y-b)^2=r^2$

Given the equation $x^2 + y^2 + 20x + 12y + 111 =0$

Group the function to have:

$(x^2 +20x)+(y^2+ 12y) + 111 =0$

Complete the squares to have:

$(x^2 +20x)+(y^2+ 12y) + 111 =0\\(x^2+20x+10^2-10^2)+(y^2+12y+6^2-6^2)+111=0\\(x+10)^2+(y+6)^2 -100-36+111=0\\(x+10)^2+(y+6)^2-25=0\\(x+10)^2+(y+6)^2=25\\(x+10)^2+(y+6)^2=5^2$

Hence the equation in the given standard form is $(x+10)^2+(y+6)^2=5^2$

Learn more on equation of a circle here: brainly.com/question/1506955

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3 years ago

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Lelu [443]

Answer:

x=-1

Step-by-step explanation:

its vertical and that's basically the only thing you can do i guess

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