ashgillan
ashgillan ashgillan
  • 19-03-2020
  • Mathematics
contestada

Solve 3^x − 2 = 3^7

A. 2
B. 5
C. 7
D. 9

Respuesta :

musicchampion321 musicchampion321
  • 19-03-2020

Answer:

C) 7

Step-by-step explanation:

3^x−2=2187

Step 1: Add 2 to both sides.

3^x−2+2=2187+2

3^x=2189

Step 2: Solve Exponent.

3^x=2189

log(3x)=log(2189)        <<Take log of both sides

x*(log(3))=log(2189)

x= log(2189)/log(3)

x=7.000832

Answer Link

Otras preguntas

In our retail stores we take pride in our merchandising and displays. do you consider yourself to be a creative person, capable of making an attractive retail d
what is the theme of speaking with hands
Pentagon A'B'C' D'E' is the image of pentagon ABCDE under a dilation. B TEY B C" E What is the scale factor of the dilution?​
For the fed there must be a _____________ between maintaining banking stability for the nation and allowing individual banks to operate profitably.
What made possible, to the greatest degree, the increased height of gothic cathedrals?
Carly made known greeting cards in 3/4 of an hour she determined her unit rate to be 112 card per hour find her error and correct it
Hold 50ml of boiling water
What’s Egypt known for?
Which promotion mix element stimulates purchase directly through an incentive to buy, such as a coupon or rebate?
To allocate manufacturing overhead to specific jobs, the needed journal entry would include a:__________