23-02-2022
SAT

contestada

If 3^x-2 = 81, what is the value of 2^2x-7?

Respuesta :

zsm2800 zsm2800

23-02-2022

Answer:

32

Explanation:

3^(x-2) = 81 = 3^4

so x - 2 = 4

x = 6

2^(2x-7) = 2^(2*6-7) = 2^5 = 32

Answer Link

Otras preguntas

How can remote-sensing satellites help people stay safe from massive fires?

Any fracture or system of fractures along which Earth moves is known as a A. strain. B. fault. C. deformation. D. stress.

Simplify the expression. -3(b – 7)

Which equation represents a decomposition reaction? (1) CaCO3(s) ==>CaO(s) + CO2(g) (2) Cu(s) + 2AgNO3(aq) ==>2Ag(s) + Cu(NO3)2(aq) (3) 2H2(g) + O2(g) ==&

Leroy who has a mass of 100kg, is skateboarding at 9.0 m/s when he smacks into a brick wall and comes to a dead stop at 2.0 s show that his acceleration us 45 m

i was delivered by abraham lincoln at dedication of a battlefield cemetery in pennsylvania what am i

Calculate the average power required to lift a 490-newton object a vertical distance of 2.0 meters in 10. seconds. [Show all work, including the equation and su

Central and state governments influence each other in

Which main characteristics describe weather A humidity B winds C ocean currents D tides

A machine uses pieces of tape to seal packages. It cuts the tape into pieces exactly 2.375 inches long. If it uses 4 pieces of tape for a package, how many pack