live4dramaoy0yf9
live4dramaoy0yf9 live4dramaoy0yf9
  • 26-01-2018
  • Mathematics
contestada

The value of y varies directly with x, and y = 63 when x = 14. Find y when x = 28.

Respuesta :

choixongdong
choixongdong choixongdong
  • 26-01-2018
y = kx
k = y/x = 63/14 = 4.5
so
y = 4.5(28) = 126

answer
y = 126 when x = 28.
Answer Link
macyloweb1 macyloweb1
  • 26-01-2018
y=kx
63=14k
63/14=k
k=4.5
y=4.5•28
ANSWER: y=126
Answer Link

Otras preguntas

An object is traveling at a speed of 7500.0 centimeters per second. How many kilometers per day is this?
Gabby learned that when her mother showed her a bottle that was an indication that she would soon be fed, so she would get excited whenever she saw a bottle. Th
Please help me figure out this problem
Without subtracting 8.5-4.64, determine what digit will be in the hundredths place. Explain.
Identify and describe how an organism could respond to an external stimulus
what are the coordinates of R’, the image of R(-4,3) after a reflection in the line y=x?
Peter has 100 dollars. His mom gives him x dollars more. Write an expression to represent the situation.
A part of a population that is used to gain knowledge about an entire population is called? sample statistic sample population parameter population
whats the square roots of 125
Find the equation of the line passing through the point (1, 3) and parallel to the line y--5x 2 Select one: ? ?.ys x+14 3 O E. none of these