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Asked by Amy

C is a circle with centre the origin. A tangent to C passes through the points (-30, 0) and (0, 10) Work out an equation of C. You must show all your working.

Asked by Abc

Here are 6 number cards -4, -2,-1,5,6,8. Arrange the number cards into three pairs with the same total.

Asked by Jas

How do I do this? x is directly proportional to z when x is 10, z is 15 find a formula connecting x and z x = ??

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