Standard Grade Maths !

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    Yeah x=5 because QR was the smallest side so it couldn't be x=1
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    (Original post by physicsgleek)
    The Variation question was the one about depth of water in a tank?
    Ahh yes, the d varies directly as blah blah..., I got 40cm
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    (Original post by anthonyfl)
    Did you all get x=5 for the last question in paper 2?
    yes
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    (Original post by humza100)
    was 6a the surd one, if it was it got 2 root 11
    I got that too, I meant the one about "find the equation of the axis of symmetry" and also the one with indices where you had to solve for n.
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    (Original post by mrsnicket)
    Ahh yes, the d varies directly as blah blah..., I got 40cm
    Me too!
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    YASS! I wrote a little paragraph where I went off on a tangent () explaining why x couldn't be 1. Time well spent haha...
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    Woah my friend lectured to me about why the depth should be 37... I feel good for having 40 now
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    (Original post by anthonyfl)
    No I got that one, I'm talking about the (2)^n = 1/64 one, something like that?
    I got n= -2, cos the first answer was 64, and I thought if it was a negative power you put 1 over it, therefore getting 1/64...? :confused:
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    (Original post by anthonyfl)
    No I got that one, I'm talking about the (2)^n = 1/64 one, something like that?
    Oh I got -2 for n!
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    (Original post by regalrose)
    Woah my friend lectured to me about why the depth should be 37... I feel good for having 40 now
    It's definitely 40cm!
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    That is what I got too and my teacher said it was correct. (n=-2)
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    (Original post by regalrose)
    That is what I got too and my math teacher said it was correct. (n=-2)
    :^_^:
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    Also (n/2)x(n/2+1) for the second last one. The last one I got 2550 = 50x51
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    (Original post by regalrose)
    Also (n/2)x(n/2+1) for the second last one. The last one I got 2550 = 50x51
    Yeah, the formula was 1/2n(1/2n+1) I put...?
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    Yep!!
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    (Original post by regalrose)
    Yep!!
    I feel much better about paper 1 now after seeing people's answers on here, except about a few questions I know I got wrong

    Btw did anyone get 3.03 million vehicles or something for one of the first questions?
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    (Original post by anthonyfl)
    No I got that one, I'm talking about the (2)^n = 1/64 one, something like that?
    So was the question:

    2^n = \frac{1}{64}, find the value for n?

    If so, it'd be -6. But I get the feeling that's not what it asked.
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    (Original post by mrsnicket)
    I feel much better about paper 1 now after seeing people's answers on here, except about a few questions I know I got wrong

    Btw did anyone get 3.03 million vehicles or something for one of the first questions?
    yeh, thats what i got
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    Hey can anyone upload the paper? I'd be happy to solve and post the solutions?
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    (Original post by michaelroy)
    Hey can anyone upload the paper? I'd be happy to solve and post the solutions?
    Could the person uploading, please upload paper 2.

    Thanks
 
 
 
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