Gracelux
Gracelux Gracelux
  • 20-07-2014
  • Mathematics
contestada

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

Respuesta :

Аноним Аноним
  • 20-07-2014
[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

Otras preguntas

If point Q is translated 4 units to the right and 2 units up, what are the coordinates of Q'? a.(3, 5) b.(3, −5) c.(−3, 5) d.(−3, −5)
what do you think would happen if you took an antacid prior to eating a hamburger
The words slaslavery devils and murderer evoke a sense of
Elena is making a grape drink. the recipe calls for 2 parts grape juice concentrate to 6 parts water. elena would like to make 80 fluid ounces of the grape drin
please help asap.....
10 points please help me with this!!
Write one hundred eleven in expanded form
which two of the prime numbers below are factors of 247. a.11 b.13 c.17 d.19
Why was capitalism viewed as an unfair system in the 19th century
reread lines 236-250 what might the reverend parris be insinuating here