Recent content by Eddzzz

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    How Do You Determine the Natural Abundance of 244Hb and 240Hb?

    anyone?
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    How Do You Determine the Natural Abundance of 244Hb and 240Hb?

    Feel free to move if its in the wrong place (which I think it is!)
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    How Do You Determine the Natural Abundance of 244Hb and 240Hb?

    I thought this area was appropriate for this question from a previous exam paper which I just need checking. So: Working out: The half-life of 244Hb is 10 million years. The half-life of 244Hb is 5.2595×10^12 minutes. The mean life of 244Hb is 7.58783677×10^12 minutes. So if you...
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    Calculating Speed of Ultrasound in Soft Tissue

    i have a problem: ultrasound takes 70μs to go 100mm in soft tissue/ show that its speed is about 1400ms -1 well i don't really know what fomulas to use but i would say putting 70μs x 10 power -6 so that is 0.000007 then I am stuck... thanks in advance ;D
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    How Do You Solve for X in These Algebraic Equations?

    can someone help me with this and show me how they get there answer thanks make x the subject of the following: x/2x+b = t and please with this one ( please show me how to gte to the anser): write the following as a single fraction 3- 2/1-x thanks in advance.