iamaven2 iamaven2
  • 01-02-2018
  • Mathematics
contestada

Simplify 2x 2 - y for x = 3 and y = -2.
20
14
16
10
i need help please

Respuesta :

Kaikerscupcake
Kaikerscupcake Kaikerscupcake
  • 01-02-2018
2x^2-y

Plug in the values. 

2(3)^2-(-2)

2(3)^2+2

Exponents first. 

2*9+2

18+2

20

The answer is 20. 

I hope this helps!
~kaikers
Answer Link
Shadowladyfox
Shadowladyfox Shadowladyfox
  • 20-11-2020

Answer:

yare yare its 20

Step-by-step explanation:

Answer Link

Otras preguntas

What does the President’s Cabinet do?
Given the balanced equation representing a reaction: O2 --> O + O What occurs during this reaction? (1) Energy is absorbed as bonds are brok
Which term represents a type of nuclear reaction? (1) condensation (2) vaporization (3) single replacement (4) natural transmutation
Which statement describes one acid-base theory? (1) An acid is an H+ acceptor, and a base is an H+ donor. (2) An acid is an H+ donor,. and a base is an H+ accep
Which atom has the largest atomic radius? (1) potassium (3) francium (2) rubidium (4) cesium
A machine with a mechanical advantage of 10 is used to produce an output force of 250 newtons. What input force is applied to this machine
Given the balanced equation representing reaction: N2 + energy ==> N + N Which statement describes this reaction? ( I) Bonds are broken, and the reaction is
In what month do we vote for President?
the band members sold 316 juice drinks for a fundraiser. they sold 52 more grape drinks than strawberry drinks. how many of each type of juice drink did they se
What was one important thing that Abraham Lincoln did?