Jennette904 Jennette904
  • 21-04-2015
  • Mathematics
Answered

Variable y varies directly with variable x, and y = 9 when x = 5.

What is the constant of variation in decimal form?



Answer :

iGreen
iGreen iGreen
  • 21-04-2015
Direct variation:

[tex]\sf~y=kx[/tex]

Plug in what we know:

[tex]\sf~9=k(5)[/tex]

[tex]\sf~9=5k[/tex]

Divide 5 to both sides:

[tex]\sf~k=\boxed{\sf1.8}[/tex]

So the constant of variation is 1.8.
Answer Link

Other Questions

Which power involves the authority to interpret the laws and to settle disputes between members of society?
How do I solve n x 43.50= 435
What is the definition of alliteration?  A.the repetition of a vowel sound in two or more neighboring words; for example, "green weed"  B.the repetition of a so
Benny bought 4 new baseball cards to add to his collection. The next day his dog ate half his collection. There are now only 41 cards left. How many didhe start
What times what equals 154
Why critical thinking and skepticism are important to scientific inquiry?
solve the simultaneous equations: 4x+7y=1 3x+10y=15
How to write the number name for the number that is 1,000 more than 27,491
How do I solve n x 43.50= 435
Describe the three steps that cause water to change during the water cycle