yui127
yui127
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
VER TODAS LAS RESPUESTAS ( 89+ )
Otras preguntas
Los cuadros de Goya están en un _________. museo cine teatro
which conditions change igneous or sedimentary rock into metamorphic rock
Determine the height of this object: a 1-kg pendulum has a speed of 2 m/s. A. 9.8 m B. 2 m C. 7.8 m D. 0.20 m
A pair of headphones costs $105. The store is having a 25% discount. After the discount, an 8% sales tax is applied. What is the final cost of the headphones?
What effect the repetition of the lines “Brennan on the moor, Brennan on the moor,/ bold and undaunted stood young Brennan on the moor” has on the meaning of th
I’m order to increase thermal energy the temperature must A. Increase B. Decrease C. Remain the same D. It cannot be determined
Write each of the number 1, 4, 9, and 25 ad a base raised to the second power. Explain why these numbers sometimes are called perfect squares.
Solving system using elimination
Help it’s easy math but still
On a cold morning, pierre observed that the grass looked wet. what process occurred when the water droplets formed on the grass?