Noversmtscaselle
Noversmtscaselle Noversmtscaselle
  • 14-12-2016
  • Mathematics
contestada

Which number is a solution to the inequality?

6 > z(10 - z)

a. 0
b. 1
c. 2
d. 3

Respuesta :

RonPayne
RonPayne RonPayne
  • 15-12-2016
Answer is a.
6>z(10-z) | z(10-z)<6 | 10z-z^2<6 | -z^2+10z-6<0

Multiply by -1: z^2-10z+6>0



Answer Link
nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 16-12-2016
6 > z(10 - z)
6 > 10z - z^2
z^2 - 10z^2 + 6 < 0
z > 9.36, z < 0.64

Therefore, option a is the correct answer.
Answer Link

Otras preguntas

I need to know this asap
PLA HELP ITS WORTH 20 POINTS AND ILL LIKE SUPER FAST !!!
What is the word hello in Spanish? A. Hola B. Aloha C. si D. None
Why does it appear that Jordan values the opinion of his peers more than the opinion of his mother? Explain the psychological concepts that may account for why
Triplets Peter, Reeta and Nikita have two ways for getting home from school each day: cycle on a tandem bike or walk. The bike can carry either one or two rider
Hello. Please help me answer this.
A large cone is cut into two parts, a smaller cone and a frustum of a cone.The height of the large cone is 20 cm.The height of the smaller cone is 4 cm.The radi
Help me plsssssssssssssssss
Mateo’s instructor tells him that before he goes further in his job search, he needs to engage in some introspection. How would Mateo’s actions BEST demonstrate
what kind of relationship does President Bush think America should have with other countries?