n1col3e n1col3e

08-10-2020
Mathematics

contestada

someone help me please!!
If x=2 and y=-3, what is the value of 2x(to the second power) - 3xy-2y(to the second power)

when i say to the second power i mean exponent 2! THANK YOU

Respuesta :

vickybikini777 vickybikini777

08-10-2020

Answer:

8

Step-by-step explanation:

2(2)^2-3(2)(-3)-2(-3)^2

2*4+18-18

8+18-18

8+0

8

Answer Link

Otras preguntas

What is the answer for 56% of 80

50 grams of acetic acid C2H4O2 are dissolved in 200 g of water. Calculate the weight % and mole fraction of the acetic acid in the solution

at the beginning of the play, Oedipus listens as citizens complain of a problem. What is this problem?

A cooking club has 12 members. How many ways can they select a president and vice president from among the members? A. 22

A catering service offers 12 appetizers, 9 main courses, and 7 desserts. A banquet chairperson is to select 8 appetizers, 8 main courses, and 6 desserts for a b

how long can a lightning last

what is larger 3/8 or 5/16

Show me how to divide 28.8 divided by 4

What is 10x-3-2x=4? Please...

EOC Algebra. Plz helpIf Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?A. 5/p B. p - 5 C. p + 5 D. p/5 E. 1- p + 5If Sally ca