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

Factor this expression completely 9a^4 - b^2

create two scenarios of your own that involve relations in real life. Describe the scenarios in detail, including a description of the two variables involved an

what kind of phase does "without any hesitation" uses? a.adverb b.infinitive c.gerund d.adjective

The unearned rent account has a balance of $72,000. if $18,000 of the $72,000 is unearned at the end of the accounting period, the amount of the adjusting entry

While counting the apical pulse on a 16-year-old patient, you note an irregular rhythm. his rate speeds up on inspiration and slows on expiration. what would be

Does anyone know how to do this?

George is experiencing back pain. his doctor tells him the bones attached to his spinal column have become less dense. the doctor is referring to the

The center of a circle on a coordinate plane is located at the point (2, –5). one endpoint of the diameter is located at (6, –7). what are the coordinates of th

The vast majority of inhabitants along the coast of South Carolina by the 1760s consisted of

Sleep disturbances interfere with the ________ of memories. suggestibility consolidation misattribution persistence