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Mumz [18]
3 years ago
5

I'm thinking of a number. This number is 12 less than its square. What could my number be?

Mathematics
1 answer:
omeli [17]3 years ago
5 0

let nwmber to be X

the number is 12 less than it's square,

so X=12-X^2

=> X^2+X-12=0

=> (X+4)(X-3)=0

=>X= 3, or X=-4

in math we don't usually take negative numbers into account so your number would be 3

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25 out of 27 as a percentage
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92.59% (to 2 decimal places)

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3 years ago
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A pair of shoes cost $39 it’s on sale for 70% what is sale price? HELLPPPP
xeze [42]

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8 0
3 years ago
Find the point on the line 2x+4y−3=0 which is closest to the point (2,0)
Finger [1]
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P: (2,0)
The point on the line L1 closest to the given point P is at the intersection of L1 with L2, which is the perpendicular passing through P. 

Slope of L1=-2/4=-1/2
Slope of L2=-1/(-1/2)=2
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Solve for x & y using (1) and (2) to get intersection point required:
(1)-(2)
2x-2x + 4y-(-y) -3 -(-4) =0
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7 0
3 years ago
What is the answer? (Plz try to explain how to solve thx!)
slamgirl [31]

Answer:

I think your answer would be C I am not sure the way I worked it out says C. I hope this helps you out.

8 0
3 years ago
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