lucosmeroyhealack
lucosmeroyhealack lucosmeroyhealack
  • 21-06-2016
  • Mathematics
contestada

If y varies directly as x, and y is 20 when x is 4, whats this relation?

Respuesta :

olemakpadu
olemakpadu olemakpadu
  • 26-06-2016
y α x

y = kx

20 = k*4

20 = 4k

20/4 = k

5 = k

k = 5

Relation is y = kx ,  that is    y = 5x
Answer Link

Otras preguntas

Positive parenting can begin when the child is how old?
how would i use the word recessive in a sentence.
What is 8/10 divided by 6/9? (Note:They are both fractions.)
Ian throws a ball straight up into the air at a speed of 10 m/s. what is the ball's speed at the highest point?
How does size affect the brightness of star
Which of the following is an example of indirect characterization? A. "Three times Della counted it. One dollar and eighty-seven cents. And the next day would
If X = 7 units and h = 5 units, then what is the area of the rhombus pictured above? 28 square units 14 square units 9 square units 35 square units
MC)Which of these people or groups pushed hardest for strong protections for emancipated slaves' civil rights? the Populist Party the Freedmen's Bureau Pre
how do i solve this equation 5x-3y=12 for y
which city replaced Athens as the center of Greek Culture