menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Suppose y varies directly with x. Write an equation relating x and y. y = 7.5 when x = 10
Ask a Question
Questions
Unanswered
Tags
Ask a Question
Suppose y varies directly with x. Write an equation relating x and y. y = 7.5 when x = 10
asked
Oct 20, 2018
39.0k
views
3
votes
Suppose y varies directly with x. Write an equation relating x and y. y = 7.5 when x = 10
Mathematics
high-school
Willy Satrio Nugroho
asked
by
Willy Satrio Nugroho
8.7k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
2
votes
y = kx is the direct variation equation.
First you have to find k.
7.5 = k(10)
divide both sides by 10
7.5/10 = k
.75 = k
y = .75x is the equation relating x and y with these criteria.
Amish Shabani
answered
Oct 26, 2018
by
Amish Shabani
8.1k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
No related questions found
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org