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Posts tagged with travel

Back to the Future Pt2

December16

Ben Tippett, a mathematics and physics instructor at UBC’s Okanagan campus, recently published a study about the feasibility of time travel. Tippett, whose field of expertise is Einstein’s theory of general relativity, studies black holes and science fiction when he’s not teaching. Using math and physics, he has created a formula that describes a method […]

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We can’t go back in time, can we?

April3

Hey, with Daylight Saving coming into effect, we lost an hour last night, but where did it go? I was taught that, in order to go back in time, you would need to travel faster than the speed of light (thanks Einstein). But, the physicists tell us, this is impossible, so we can’t have lost […]

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Even Mathematics needs a vacation!

January6

Yes, H3 is having a few days on vacation, which reminds us of some great Math activities to do while heading away on vacation. Click on the following image to check out a host of fun Math travel vacation acitivites to do while you are travelling to that favorite destination, etc. Even H3 was doing […]

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Post Support

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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