ladyblu35
ladyblu35
03-04-2015
Mathematics
contestada
-z2-z-19
Z=-7 what is the answer please
Respuesta :
Аноним
Аноним
03-04-2015
[tex]put\ the\ value\ of\ z=-7\ to\ the\ expression\ -z^2-z-19:\\\\-(-7)^2-(-7)-19=-49+7-19=\boxed{-61}[/tex]
Answer Link
Panoyin
Panoyin
03-04-2015
-z² - z - 19
-(-7)² - (-7) - 19
-(49) + 7 - 19
-49 + 7 - 19
-42 - 19
-61
Answer Link
VER TODAS LAS RESPUESTAS ( 69+ )
Otras preguntas
A parabola with vertex (h, k) and a vertical axis of symmetry is modeled by the equation y - k = a(x - h)2. Determine the vertex for a parabola modeled by y - 4
(1) The features of a functional text are supposed to _____. 1. Make it easy for the reader to find information 2. Eliminate the need for close reading 3. Both
Ms. Schade bought a car with 20% down payment, which was $5,570.00. The rest of the payments of the car she will finance. A .What was the price of the car? B. w
When helping someone whose car has a "dead" battery, how should your car's battery be connected in relation to the dead battery?
Which end mark best completes the sentence? What a close and exciting game this is__________ A. ? B. . C. !
What are some actions that you can take to better manage your daily spending? How does daily spending contribute to successful money management or not-so-succes
Please explain how to find the area of the polygon?
how to factor out the gcf
Match the following animals with the way they regulate their body temperatures. 1. Mammals (1 point) A. endotherm B. ectotherm 2. Fish (1 point) A. en
In triangle abc angle a is a right angle and b equals 45 degrees what is the length of Bc
