chandislilly
chandislilly chandislilly
  • 21-01-2015
  • Mathematics
contestada

PLEASE HELP
Variable y varies directly with x2, and y = 72 when x = 6.



What is the value of y when x = 4?



y =


Respuesta :

nate81 nate81
  • 21-01-2015
Y= k x 2x so when x=6 and y=72, we find k= 6 so when x=4 we get (12) x 2(4) and find y=96 :)
Answer Link

Otras preguntas

Why are financial decisions important in health care? They allow healthcare business owners to determine how to use, save, or adjust money for more effective se
It is important to consult with a doctor or coach before beginning an exercise regimen because he or she a. won't steer you wrong in identifying the right amou
The value of ksp for silver carbonate, ag2co3, is 8.10×10−12. calculate the solubility of ag2co3 in grams per liter.
Read the following excerpt from Henry David Thoreau's "Resistance to Civil Government." Men generally, under such a government as this, think that they ought to
Which calculation can be used to find the value of y in the equation y3 = 27?
What type of polynomial is this?
A neap tide occurs during what lunar phases? Any phase First and third quarters New moon and first quarter Full moon and last quarter
The term demand loan refers to a loan?
A firm does not expect to pay dividends in the next four years. beginning five years from today, the firm expects to pay a constant dividend of $4.75 per year f
Question 1 Raymond Moley, Rexford Tugwell, and Adolf Berle formed the core of the group of advisers to FDR known as the _____________. Brain Trust Three Horsem