kionawalker2000 kionawalker2000
  • 12-07-2017
  • Mathematics
contestada

If y varies directly as x, and y is 6 when x is 72, what is the value of y when x is 8?

Respuesta :

irspow
irspow irspow
  • 12-07-2017
Direct variation is of the for y=kx, where k is the constant of variation  (inverse variation is of the form y=k/x)

We are given a point, (72,6), so we can solve for k

y=kx

6=72k

1/12=k 

So our equation is:

y=x/12, so when x=8

y=8/12

y=2/3
Answer Link
jaelaun
jaelaun jaelaun
  • 30-03-2021

Answer:

b

Step-by-step explanation:

Answer Link

Otras preguntas

How did the launch of Sputnik affect the American public? It prompted Congress to investigate communist infiltration in the federal government. It made many Ame
give one example of howbyou classification is used at school
Which army annihilated the Byzantine army at the Battle of Manzikert?
please help me on Interpreting Scatter Plots on problem 4
Fill in the blanks air comes from over the ocean is very
Mari makes bows for floral arrangements She uses 1/8 yard of ribbon for each bow. How many bows can she make from 2 spools that each have 24 yards of ribbon
what is 96/126 in simplest form
Using your knowledge of prefixes, suffixes, and word roots, answer the question. We sat in a semicircle and watched the instructor at the front of the room. Wha
Place these numbers in order from least to greatest. 3.12, 10/3, 3.012
How would you describe the overall tone of the speech "The Perils of Indifference"? A. Depressing B. Exciting C. Helpless D. Hopeful