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Magazine Problem 45
Solve the given equation. $$2 \sqrt{w}+5=7 \sqrt{w}-10$$
Problem 45
Use a calculator to find the following square roots. Round off your answers to the nearest hundredth. $$\sqrt{425}$$
Problem 45
Simplify each expression as completely as possible. Be sure your answers are in simplest radical form. Assume that all variables appearing under radical signs are nonnegative. $$\sqrt{\frac{1}{2}}$$
Problem 45
Perform the indicated operations. Simplify all answers as completely as possible. Assume that all variables appearing under radical signs are nonnegative. $$(\sqrt{28}-\sqrt{24})(\sqrt{7}-\sqrt{6})$$
Problem 45
In each of the following, perform the indicated operations and simplify as completely as possible. Assume all variables appearing under radical signs are non negative. $$8 \sqrt{25}-3 \sqrt{21}$$
Problem 46
Use a calculator to find the following square roots. Round off your answers to the nearest hundredth. $$\sqrt{983}$$
Problem 46
Solve the given equation. $$3 \sqrt{t}+10=9 \sqrt{t}-2$$
Problem 46
In each of the following, perform the indicated operations and simplify as completely as possible. Assume all variables appearing under radical signs are non negative. $$8 \sqrt{25}-3 \sqrt{21}$$
Problem 46
Simplify each expression as completely as possible. Be sure your answers are in simplest radical form. Assume that all variables appearing under radical signs are nonnegative. $$\sqrt{\frac{1}{3}}$$
Problem 46
Perform the indicated operations. Simplify all answers as completely as possible. Assume that all variables appearing under radical signs are nonnegative. $$(\sqrt{32}-\sqrt{20})(\sqrt{2}+\sqrt{5})$$
