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 Panoyin
  • 03-04-2015
-z² - z - 19
-(-7)² - (-7) - 19
-(49) + 7 - 19
-49 + 7 - 19
-42 - 19
-61
Answer Link

Otras preguntas

After hearing about brothers Chuck and Tim, and their interaction with the law, discuss why you feel they were treated fairly or unfairly? Do you agree with Gof
difference between electroplating and sacrificial protection​
50 POINTS FOR REAL AND BRAINLIST IF GIVEN ANSWER AND EXPLANATION
Explain with words Why is -7^2 not equal to 49? Please help me
2 × 21/3 = A 4 2/3 B 4 2/5 C 4 1/3 D 5 1/3
a car weighs 2000 kg if it is moving at a speed of 15 m/s what’s the linear momentum of the car?
A microscope has an eyepiece with a 1.8 cm focal length and a 0.8 cm focal length objective lens. Assuming a relaxed eye, calculate a) the position of the objec
q - 12 > -13 answer A is q > -1. Answer B is q > - 25 answer C q > 25. Answer D > 1​
What quantity does the line with the question mark represent? a. amplitude of the wave b. frequency of the wave c. wavelength of the wave d. period of the wave
A mutation in Connexin 46 causes a rare autosomal dominant human condition (pediatric cataracts) a. True b. False