Find the number of semi-annual deposit of P480 , which must be made to accumulate P18,500, if money earns interest at 7% compounded semi - annually.

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6

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