book Maths Puzzle Numerical Ability

Solve the radical equation.

6 SQRT of x = x+5

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book Other Question

Memebers of a marching band are making their own color-guard flags. Each rectangular flag is 1.2 yards by 0.5 yard. The material costs $1.75 per square yard. Write as a function s This is a problem that I have absolutely no idea how to do it.

Calculate the value of b^2 - 4ac and state how many real solutions the equation has 20x = 4x^2 + 25

Would you