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

3x^2 - 2y
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

If Susan drank five pins of water how much water did she drink in quarts

Lisa, a network manager, has been assigned to a new team. She organizes a meeting to understand the strengths and talents of the team members. Which quality is

The collection of programs on a computer is referred to as

enrollment for college R the line graph above shows the enrollment for college R between 1950 and 2000

how do you say my name is kali in spanish?

What is the result when the number 89 is decreased by 9.6%?

Solve the equations. \sqrt(y^(4)+2y^(2)+1)=y^(2)+1

Does an institution serve a public or private purpose?

What is the area in cm² of a sheet of paper that is 8.50 in x 11.0 in? a. 60.94 cm² b. 78.28 cm² c. 93.57 cm² d. 102.37 cm²

What also affects spatial resolution or recorded detail? 1) Exposure 2) Contrast 3) Brightness 4) Magnification