hadikhan2909 hadikhan2909
  • 08-04-2021
  • Mathematics
contestada

a) 2x – 7x +3y if x= 3, y= -4
b) y + 3xy if x= 7, y= 5
c) 5x3 + 2y2 if x= 2, y =3

Respuesta :

cad311
cad311 cad311
  • 08-04-2021
a) 2(3) - 7(3) + 3(-4)
=6 - 21 + (-12)
=-27
b) (5) + 3(7)(5)
=5 + 105
=110
c) is 3 and 2 an exponent? if so
5(2)^3 + 2(3)^2
=40 + 36
=76
Answer Link

Otras preguntas

A rectangle has side lengths (x+5) meters and (2x - 1) meters. Wite an expression in the simplest form that represents the perimeter of the rectangle.
By including _____ calls, engineers can take advantage of services that might take months or years for them to program on their own.
i need help and so far i haven't got any help yet plz plz plz i need help
Please help me!! Mariah works different hours each week.. These figures show her net pay for the last 7 weeks. $183.24 $212.96 $168.31 $149.35 $187.62 $204.36
Determine the mass of CO2 formed if 15 grams of C4H10
what is a living thing
Using the following diagram, solve for X.
True or False? Sound travels faster through metal than air​
When an atom gives away an electron, what happens to it?
Write an essay arguing whether it is ok to break the rules in some circumstances? I really need help ASAP