jacielposada jacielposada
  • 03-09-2018
  • Mathematics
contestada

y varies inversely as x. if x = 7 then y = 6. Find y when x = 4.

Respuesta :

smmwaite
smmwaite smmwaite
  • 03-09-2018

Answer

10.5


Explanation

Y varies inversely as x

Y ∝ 1/x

Y = k/x  K is the the constant of variation

k = Yx

   = 6 × 7 = 42

Y = 42/x

Y = 42/ 4

  = 10.5

Answer Link

Otras preguntas

CupCaking, a cupcake bakery, uses the equation below to determine the price of cupcakes, where y represents the total price in dollars and x represents the numb
Which term describes matter that is a substance made of diffrent kinds of atoms bonded together
Currently, Earth's tilt is closest to _____. A. 0° B. 14.5° C. 23.5° D. none of these because, Earth's tilt changes dramatically with each orbit
An interview conducted by a research writer would be a _____ source. secondary reliable primary tertiary
Select the most reasonable estimated answer. 748.36 – 297.78 a. 300 b. 350 c. 400 d. 450
What did the Dutch name their settlement located on Manhattan Island?
What was one of Kublai Khan’s achievements?
DeLissa wants to dress and act like Marisol, who is a very popular and attractive girl at school. What type of peer pressure is DeLissa reacting to?
What is the answer 6.25=r2
a pelican flies at a speed of 52 km/h for 0.25 hours . how many miles does the pelican travel ? the conversion factor is 1.6 km/h = 1.0 mph