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

PLEASE HELP i dont know the answer for: Chose an equivalent ratio 15 cats to 20 dogs. choices: A. 4 to 5. B. 3 to 4. C. 3 to 5. D. 10 to 15.
If someone can help me with this question please?
in paragraph 21, the line “and maybe kissing is like praying” is an example of a:
Which of the following inequalities are true? Select the two correct answers. A. | 4 | > 7 B. | - 4 | <4 C. |–7| > 4 D. |7|> |-7| E. |-4 | < |-7
5. What effect does exercise have on the rate of respiration?
If I wanted to quadruple the volume of this prism, what scale factor should I apply to the dimensions? PLEASE ONLY QUESTION!!! ILL GIVE BRAINLIEST
when do we say information is valuable?​
What type of writing requires you to follow the format outlined in the AP (Associated Press) Stylebook? a news article for an online magazine a persuasive essay
A scientist studies how the number of coyotes in San Diego County has changed over the last decade. Is this a population-level study, a community-level study, o
zoom in to read :) ty for the help