cfrancisco0315 cfrancisco0315

01-10-2018
Mathematics

contestada

Evaluate 1/x^-2 for x = 7.
A. -49
B. 1/49
C. 49

Respuesta :

gamergirl1232 gamergirl1232

01-10-2018

The answer to this question is c

Answer Link

01-10-2018

[tex]\frac{a}{{b}^{n} } = a \times {b}^{ - n} [/tex]
Using this formula, it will become:
[tex]1 \times {x}^{2} [/tex]
Which equals 1 x 7 x 7 which is 49...
Which means the answer is c..

Answer Link

Otras preguntas

Given a polynomial function f(x) = –x2 + 2x + 1 and an exponential function g(x) = 2x, what key features do f(x) and g(x) have in common? A.)Both f(x) and g(x)

forms of communication that were used in the past

A biologist hypothesizes that the mean life expectancy of a mosquito is 14 days. Researchers believe the true mean is less than 14 days and they plan a hypothes

The graph of y=x² + 11x + 24 is equivalent to the graph of which equation? y=(x+8)(x+3) y=(x + 4)(x+6) y=(x +9)(x + 2) y=(x + 7)(x+4)

~Please help me with this q u e s t i o n~

Plantations were important to the cultural development of which region of northeastern Mississippi? Black Prairie s Flatwoods Pontotoc Ridge Tombigbee Hills Sav

In a city, the distance between the library and the police station is 3 miles less than twice the distance between the police station and the fire station. The

He had been born in New Orleans and had been a quite young man there during the time that Louis Armstrong, a boy, was running errands for the dives and honky-to

does hot ice have to be cold or hot?

In her free time, isabelle likes to read. she kept track of the number of pages in each book she read last summer. this box plot shows the results. what fractio