kkent61 kkent61

04-04-2018
Mathematics

contestada

what are the solutions of the equation Z ^ 2 - 6z - 27 equals 0

Respuesta :

kiaratatiana7p6mdlk kiaratatiana7p6mdlk

04-04-2018

Z^2 - 6z - 27 = 0 you need to factor out firts then solve for z
(z+3 )(z-9) = 0
z+ 3 = 0
z = -3

z-9= 0
z = 9

Answer Link

Otras preguntas

A safety inspector conducts air quality tests on a randomly selected group of 7 classrooms at an elementary school. Identify the population and sample in this s

The nervous system works directly with the _______ system to control the expanding and contracting of our lungs. A. Excretory B. Endocrine C. Respiratory D. Ne

What did the Great Map cover? Why was it important?

Solve 6 (x-12) = 2 (3x-36)

What was the most significant event in the civil rights movement between 1955 and 1965? Why was the event significant to the struggle for civil rights for Afric

Jane is trying to estimate the average electric bill amount of people who live in Las Cruces in summer time. She randomly selected 10 houses from the map, and o

during world war 2 US naval forces were able to intercept the japanese fleet before it reached Midway because

What are two females reproductive structures

Plz help me I have no idea how to do this

help please can anbody?