tayacall5731 tayacall5731
  • 01-09-2018
  • Mathematics
contestada

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?
a. 4
b.14
c. 16
d.20
e. 50

Respuesta :

Аноним Аноним
  • 01-09-2018
  1. 3x^2 - 2y
  2. 2x^2 - 3y

First expression

  • 3(3)^2 - 2(5) = 3(9) - 10
  • 27 - 10 = 17

Second expression

  • 2(3)^2 - 3(5) = 2(9) - 15
  • 18 - 15 = 3

17 - 3 = 14

B. 14

Answer Link

Otras preguntas

where are the three parts of an atom located
a summary about concussions
A generator stores electric current. Explain why you agree or disagree with this statement
What is the primary purpose of the Supremacy Clause?
Which word has the long i sound? relieve speciality society social
Please help me with this two step math problem! THANK YOU !!!!!!!!
Explain who or what "Año Viejo" is and its significance.
What are the qualities of a good topic? How will you ensure the topic you choose is relevant and interesting?
what are 2 examples of ionic compound?
all 231 students in the math club went on a field trip. some students rode in vans ehich hold 7 students each and some students rode in buses which hold 25 stud