2 years ago

How would you simplify the expression represented by the diagram below?

Mathematics

1 answer:

34kurt2 years ago

8 0

I can’t see the diagram. sorry:(

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weeeeeb [17]

Answer:

-3/2

Step-by-step explanation:

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3 years ago

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zzz [600]

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3 years ago

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2 years ago

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$x^2+y^2-8x-6y+24=0\quad|-24\\\\(x^2-8x)+(y^2-6y)=-24$

Complete the square:

$x^2-8x+a^2\implies a=\dfrac{8x}{2x}=4\implies x^2-8x+4^2\\\\\\y^2-6y+b^2\implies b=\dfrac{6y}{2y}=3\implies y^2-6y+3^2$

And we have:

$(x^2-8x)+(y^2-6y)=-24\\\\(x^2-8x+4^2)-4^2+(y^2-6y+3^2)-3^2=-24\\\\
(x-4)^2+(y-3)^2-16-9=-24\\\\(x-4)^2+(y-3)^2-25=-24\quad|+25\\\\\boxed{(x-4)^2+(y-3)^2=1}$

So the answer is C (the same left side of equation).

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3 years ago

I have 7 kinds of lunch meat and five kind of bread how many sanwiches can i make using 1 meat and one bread

qaws [65]

7 x 5 = 35 sandwiches.

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3 years ago