Dizrealsucksatmath Dizrealsucksatmath
  • 02-03-2016
  • Mathematics
contestada

Find y when X=14 if y varies directly with X2, and y=72 when X=6.

Respuesta :

RASEA23
RASEA23 RASEA23
  • 02-03-2016
When y varies directly with x, y=kx where k is a constant. 
Find k
72=6k
k=12
Plug k back into the equation to find y
y=12*14
y=168

Answer Link

Otras preguntas

WILL GIVE BRAINLIEST IF ANSWERED FAST!!!
-6+4x= -9 solve the following equation
Part A. Solve the following problem.  What is the last digit of 2^1999?   Part B. Write up a solution to the problems above using the following five step proce
Factorise: (5x + 7y + 5 + 7xy)
WILL GIVE BRAINLIEST IF ANSWERED FAST!!!
driving is a what activity
1.4 Determine the area of the base of the tin in square meters You may us the formula: A = πr² Hint: radius = half of diameter π = 3,142 1.5 Determine the area
What is the history of cough syrup
A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using this equ
just explain how it's not 7 please ​