Gracelux
Gracelux Gracelux
  • 19-07-2014
  • Mathematics
Answered

How do you solve the function y = 2.5^x for y=20 

Answer :

Аноним Аноним
  • 19-07-2014
[tex]y=2.5^x;\ y=20\\\\2.5^x=20\\\\log_{2.5}2.5^x=log_{2.5}20\\\\x=log_{2.5}20\\\\x=log_{2.5}(2.5\cdot8)\\\\x=log_{2.5}2.5}+log_{2.5}8\\\\x=1+log_{2.5}8[/tex]
Answer Link

Other Questions

What is the primary purpose of a political action committee to increase awareness of a particular political issue to organize elections at the local and state l
Kara is 18 years younger than Joseph Twelve years ago Joseph was 4 times as old as Kara Find their present ages
1 What element has 81 protons in the nuclei of its atoms A Platinum B Lead C Thallium D Uranium
Round the following to the nearest cent 16997
Find the product and simplify X43xy
Which is considered a major contribution of Mesopotamian civilization A They discovered how to cultivate cotton B They invented a complex system of writing stil
a square photodisplay board is made up of 60 rows of 60 photos eachThe area of each square photo is 4 square inchesHow long is each side of the display board
what is the adverbial phrase in When youve finisheddo the extra questions on page one
How did Portuguese explorations affect the people of Africa and India
a school purchases boxes of candy bars each box contains 50 candy bars each box costs 30 how much does the school have to charge for each candy bar to make a pr