ZooeyD566309 ZooeyD566309
  • 03-11-2022
  • Mathematics
contestada

Find an equation of variation in which y varies directly as x and y=28 when x=7. Then find the value of y when x=16.

Respuesta :

LennynV668980 LennynV668980
  • 03-11-2022
[tex]\begin{gathered} y=Kx \\ \text{when x=7, y=28} \\ 28=K(7) \\ K=\frac{28}{7} \\ K=4 \\ y=4x \\ \text{when x=16} \\ y=4\cdot(16) \\ y=64 \\ When\text{ x is 16 the value of y is 64} \end{gathered}[/tex]

Answer Link

Otras preguntas

25 more than the total height h as a variable expression
What is the freezing point of a solution that contains 36.0 g of glucose ( ) in 500.0 g of water? ( for water is 1.86°c/m. the molar mass of glucose is 180.0 g
What were three facts about germany's attack that shirer recorded in his diary entry
A chevrolet corvette convertible can brake to a stop from a speed of 60.0 mi/h in a distance of 123 ft on a level roadway. what is its stopping distance on a ro
suppose a band at another school sells eraser for $2 per package. the band sells 220 package in all and earns a total of $695. write a system of equation to fin
A plane loses altitude at the rate of 5 meters per second. It begins with an altitude of 8500 meters. The plane's altitude is a frunction of the number of secon
if a and b are integers such that a^2 - b^2 = 100, what is the greatest possible value of a?
Sal is making bracelets for a fundraiser he uses 6 inches of yarn per bracelet how many bracelets can sal make with 5 feet of yarm
25 more than the total height h
Which marine ecosystem has the greatest biodiversity? a. coral reef b. mangrove swamp c. open ocean d. salt marsh?