Seudónimo Seudónimo
  • 01-08-2020
  • Mathematics
contestada

3x to the 2nd power +4y to the 2nd power x=2 y=1 z=-3

Respuesta :

meredith48034
meredith48034 meredith48034
  • 02-08-2020

Answer:

Step-by-step explanation:

3(2)^2 + 4(1)^2

3(4) + 4

12+4= 16

Answer Link
gmany
gmany gmany
  • 02-08-2020

Answer:

[tex]\huge\boxed{16}[/tex]

Step-by-step explanation:

[tex]3x^2+4y^2\ \text{for}\ x=2;\ y=1.\\\\\text{Substitute:}\\\\3(2)^2+4(1)^2=3(4)+4(1)=12+4=16\\\\\text{Used PEMDAS}[/tex]

Answer Link

Otras preguntas

Translate the phrase into an algebraic expression. The difference of x and 5​
I need an answer right now!!!
(BRAINLIEST) Which of these Indicators will you use to check the pH of coloured Solution? Methyl orange pH meter Litmus paper
A stick is 20cm long.A student makes 5% error in measuring the stick.find two possible values for the student's measurement​
Help I need a lot of help
hi please i need the complete step-by-step solution. thank you ❤️​
________ is anything natural or manmade that is made up of particles. a Energy b Medium c Emergent Ray d Amplitude
Use the integers that are closest to the number in the middle. cube root of 108
URGENT CAN SOMEONE HELPP MARKING BRANNIEST NO CAP !!! Pls due in 5min Each garden design shown requires the same amount of fencing , in feet How many feet of fe
Which number is not in scientific notation? (5 points) 9 ⋅ 1019 7.8 ⋅ 106 1.45 ⋅ 10−7 0.33 ⋅ 10−15