genloufieldd genloufieldd
  • 25-04-2020
  • Mathematics
contestada

Suppose that y varies directly with x, and y=4 when x=20. find y when x=9

Respuesta :

valleybritney
valleybritney valleybritney
  • 25-04-2020

Answer:

y = 1.8

Step-by-step explanation:

y=kx

4=k(20)

k=[tex]\frac{1}{5}[/tex]

When x = 9:

[tex]y=\frac{1}{5} x=\frac{1}{5} (9)\\y=(\frac{9}{5}) = 1.8[/tex]

Answer Link

Otras preguntas

find the pattern and fill in the blanks for D,F,G,H,J
which of the following values are in the range of the function graphed below?
evaluate negative 4 over negative 6
Why did President Lincoln reverse General Fremont's order to free captured slaves?
if cosx = 2/3 and x is in quadrant 4 find: sin(x/2), cos(x/2), and tan(x/2) please show steps
A famous journalist, media personality and activist missed out on only one of thousands of TV episodes produced. Who is it?
In which situation is the distance traveled proportional to time? CLEAR CHECK An airplane landing A soccer ball you kick across a field A person running o
Regal Financial Institution specializes in home loans. What type of financial institution is it? savings and loan bank credit union brokerage firm
PLZ ANSWER 20 POINTS 1.)Eliza is rolling a die and recording whether she gets an even or an odd number. She rolls the die 250 times and records the number that
woman works out by running and swimming. When she runs, she burns 7 calories per minute. When she swims, she burns 8 calories per minute. She wants to burn at l