FALLTIMELOW
FALLTIMELOW FALLTIMELOW
  • 21-03-2017
  • Mathematics
contestada

what does X have to be to make this correct 5x*9x=1350

Respuesta :

Doctorflame11
Doctorflame11 Doctorflame11
  • 21-03-2017
x would have to be 30 to complete this problem 5 x 30 =  150 x 9 = 1350
Answer Link
bcalle
bcalle bcalle
  • 21-03-2017
5x * 9x = 45x^2
45x^2 = 1350
divide both sides by 45
x^2 = 30
take the sqrt of each side
x = sqrt 30

CHECK (5sqrt30) * (9sqrt30) = 45 * 30 = 1350
Answer Link

Otras preguntas

A radio station requires DJs to play 2 commercials for every 10 songs they play.What is the unit rate of songs to commercial?
x to the second power equals 1/100
What kind of animals are mostly found in the boreal forest of alberta?
B/13-3b/13=8/13 help please
Some parts of Africa were still colonies in 1970. a. True b. False
Some parts of Africa were still colonies in 1970. a. True b. False
The table shows the outputs y for different inputs x: Input (x) 5 6 7 8 Output (y) 2 5 8 11 Part A: Do the data in this table represent a function? Justify your
What was the purpose of the Open Door Policy?
find the value of 0.34 * 9
The difference of two numbers is 7 and their sum is 49