Gwendolyn555id Gwendolyn555id

Mathematics

Answered

If 21^(2x)=9 then what is the value of 21^(-x)? Answer and solution please ;)

Sagot :

Konrad509id Konrad509id

[tex]21^{2x}=9\\ (21^x)^2=9\\ 21^x=3\\ (21^x)^{-1}=3^{-1}\\ 21^{-x}=\frac{1}{3} [/tex]

Answer Link

ID Other Questions

In Gym Class, You Run 3/5 Mile. Your Coach Runs 10 Times That Distance Each Day, How Far Does Your Coach Run Each Day?

Which Is Greater 3/7 Or 7/12

How Do I Solve This n+1/7=2/3

How Many Tons Are In 400 Pounds

What Was The Great Migration

In Mendel’s Initial Experiments, An Example Of The F2 Generation Would Be a. 75 Round Seed Plants To 25 Wrinkled Seed Plants b. 75 Green Seed Plants To 25 Yello

Work Algebraically And You Must Show Equation Used And The Work Used To Get Your Answers.A Wooden Access Ramp Is Being Built To Reach A Platform That Sits 30 In

In Mendel’s Initial Experiments, An Example Of The F2 Generation Would Be a. 75 Round Seed Plants To 25 Wrinkled Seed Plants b. 75 Green Seed Plants To 25 Yello

How Have The Systems Of Law Dating From Ancient Rome Influenced The U.S. Legal System

The Invention Of Agriculture a. Led To An Increased Birth Rate And Death Rate. b. Provided A More Dependable Food Supply. c. Allowed People To Settle Down In Vi