mathdummie8080 mathdummie8080

02-02-2015
Mathematics

contestada

9^x=27^(x+2)
how do I do that? I don't get how to do it with different bases

Respuesta :

konrad509 konrad509

02-02-2015

[tex]9^x=27^{x+2}\\ 3^{2x}=3^{3(x+2)}\\ 2x=3(x+2)\\ 2x=3x+6\\ 3x-2x=-6\\ x=-6[/tex]

Answer Link

Otras preguntas

What is 3 square root of 24- 4 square root of 54

Waves that move matter back and forth are called a.transverse waves b.longitudinal wave c. Medium wave

You go to another forest and measure the shadow of a tree as being 6 meters long. The shadow of your meter stick is 2 meters long. How tall is the tree?

The main difference among the types of symbiotic relationships is a. how many species either beneﬁt or are harmed. b. how many species are eaten. c. how many sp

One light beam has wavelength, λ1, and frequency, f1. Another light beam has wavelength, λ2, and frequency, f2. Write a proportion that shows how the ratio of t

All of the following were provisions of the Constitution as originally ratified EXCEPT (A) indirect election of senators (B) the counting of three fifths of sla

Anne has 24 more cards than Devi. Anne finds that 3/5 of Devi's cards are equal to 1/2 of her cards. How many cards does Anne have?

If the edges of a cube add up to 4 feet in length, what is the volume of the cube?

A.Boer war B.Crimean war C.Emilio aguinaldo D.Sepoy mutiny E.Menelik II F.Nigeria G.Persia H.Queen Liliuokalani I.Raj J.Shaka 1. The main cause of the___

How do you factor k^2-k-56