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Who said…

March29

This person insists that only two things could have persuaded him to abandon his decades-long mission; if his wife ever wanted him to stop or if his mathematics were proved incorrect.

Thankfully, Vanessa never did want me to quit and she has been an incredible support throughout,” he says. “She is just as crazy as I am.

“I have also always known my mathematical calculations …. were right. I believe that two and two makes four and if the maths say something is possible, it is.

So who, dear mathematicians, made this statement? Click on this image to find out!
jetpack

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NCEA Level 2 Algebra Problem. Using the information given, the shaded area = 9, that is:
y(y-8) = 9 –> y.y – 8y – 9 =0
–> (y-9)(y+1) = 0, therefore y = 9 (can’t have a distance of – 1 for the other solution for y)
Using the top and bottom of the rectangle,
x = (y-8)(y+2) = (9-8)(9+2) = 11
but, the left side = (x-4) = 11-4 = 7, but rhs = y+? = 9+?, which is greater than the value of the opp. side??
[I think that the left had side was a mistake and should have read (x+4)?]

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