Chapter 8: Problem 2
Solve each equation. $$ \sqrt{x}=10 $$
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Chapter 8: Problem 2
Solve each equation. $$ \sqrt{x}=10 $$
These are the key concepts you need to understand to accurately answer the question.
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If an investment of \(P\) dollars grows to \(A\) dollars in 2 yr, the annual rate of return on the investment is given by $$ r=\frac{\sqrt{A}-\sqrt{P}}{\sqrt{P}} $$ First rationalize the denominator, and then find the annual rate of return (as a percent) if \(\$ 50,000\) increases to \(\$ 54,080.\)
Solve each equation. (Hint: In Exercises 67 and 68, extend the concepts to fourth root radicals.) $$ \sqrt[3]{x^{2}}=\sqrt[3]{8+7 x} $$
Find each product and simplify. $$ 5 \sqrt{3} \cdot 2 \sqrt{15} $$
Simplify each radical. Assume that all variables represent nonnegative real numbers. $$ \sqrt{100 c^{4} d^{6}} $$
Solve each equation. (Hint: In Exercises 67 and 68, extend the concepts to fourth root radicals.) $$ \sqrt[3]{3 x^{2}-9 x+8}=\sqrt[3]{x} $$
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