kiaarviz6950 kiaarviz6950

25-10-2017
Mathematics

contestada

If 3^2x+1=81, what is the value of x?

x=1/4
x=1/2
x=3/2
x=2/3

Respuesta :

brandonhoffmanoycm61 brandonhoffmanoycm61

25-10-2017

3^(2x+1)=81

3^(something)=81
3^4=81. I know this because 3X3X3X3=81
If I know 3^4=81, then I need to find a solution to get 4 for my exponent.
Let's solve.
2x+1=4
2x=3
x=3/2

Answer Link

Otras preguntas

which combination of biological molecule and function is correct

Jose wraps packages in the store.He is paid $8.75/h plus $2 for each package.How may packages must wrapped in 40 hour work week to earn $600

The cladogram identifies the classification of the four major groups of plants, and it shows the evolutionary relationships among the groups Cone-bearing Flower

The Georgia Constitution requires the state to maintain a balanced budget. If the amount of revenue decreases, the services provided by the state will MOST LI

To win a local billiards tournament, all Jeanette has left to do is drop the 9-ball. Because of the other balls on the table (not shown), her only realistic sho

Janessa loves to collect scientific objects. In her collection, she has a magnet and several iron objects that are used to demonstrate center of gravity. When J

Can somebody answer this please

Determine the area of a triangle with A=27.8 B = 107.3 c=4 Answer: B) 10 units^2

what is constitution

A bicyclist was on a three day tour around a lake. On the first day, he rode 78miles, on the second day he rode 54 miles, and on the third day he rode twiceas f