TheSnakeANator
TheSnakeANator TheSnakeANator
  • 02-11-2017
  • Mathematics
contestada

please Explain your answer!



thank you

please Explain your answer thank you class=

Respuesta :

choixongdong
choixongdong choixongdong
  • 02-11-2017
Substitute x = 3 into 2x^2 + 5
so
2x^2 + 5
= 2(3)^2 + 5
= 2(9) + 5
= 18 + 5
= 23

Brett answer wasn't correct. It's supposed to be 23
Answer Link

Otras preguntas

Find the geometric mean between 5 and 12
A tank has the shape of a rectangular prism with the dimensions shown. How much glass was used to make the tank. 34 in² 65 in² 164 in² 112 in²
If many signals arrive at an axon's input zone at the same time, the effects are added together in what is called a(n) _____. a. trigger zone b. competing tr
-x - 3 = x + 5 - 3x - 16
Help fast plz Refer to the family pedigree shown here. In generation |, one parent is affected by the gene mutation and one parent isn't. Ingeneration Il, all t
Compare the momentum of a 6160 kg truck moving at 3.00m/S to the momentum of a 1540kg car moving at 12.0m/S
What is the median of those in the picture
what is the distance from the highest part of one wave to the highest part of the next wave.
2. What is the value of x in the drawings if we know the triangles are similar? 3 ft 15 ft 6 ft
How does solubility differ between small versus large carbohydrates? Explain.