Bharbie
Bharbie Bharbie
  • 03-04-2019
  • Mathematics
contestada

If x varies inversely with y and x = 4 when y = 8, find x when y = 16.

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 03-04-2019

Answer:

x=2

Step-by-step explanation:

The formula for inverse variation is

xy = k

We know x = 4 and y = 8

4*8= k

32 = k

xy = 32

We want to find x when y = 16

x*16 = 32

Divide each side by 16

16x/16 = 32/16

x =2

Answer Link
kadenli223
kadenli223 kadenli223
  • 06-04-2019

Answer:

xy=32

16x=32

x=2

Answer Link

Otras preguntas

If A+B=76  and A -B=38 whats A divided by B
how many minutes is it before 12 noon if 20 minutes ago it was three times as many minutes after 9 am
a swimming pool is 20 meters long and 12 meters wide the bottom of the pool is slanted so that the water depth is 1.3 at the shallow end and 4 meters deep at th
What would be m minus 4 in an algebraic expression
a rectangular field with a area of 8000m2 is enclosed by 400m of fencing. determine dimensions to nearest tenth of a metre
Cellular respiration involves a series of chemical reactions. Which of the following is a primary way that enzymes affect these reactions? A. They decrease the
I would like to know if 200 cm is greater or less than 3 m
write a paragraph for me using these words: art critic and art historian
Can you make this into an algebraic expresion
what percent of 126 is 22?