menu
Qammunity
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Given these equations x+y=9.0 0.50x+0.20y=4.05 What are the values of x and y
asked
Nov 6, 2017
126k
views
2
votes
Given these equations x+y=9.0
0.50x+0.20y=4.05
What are the values of x and y
Mathematics
high-school
ElenaT
asked
by
ElenaT
8.3k
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
4
votes
X= 9.0 -y
=> 0.5(9-Y) +0.2Y=4.05
=> 4.5-0.5Y+0.2Y=4.05
=> 0.45=0.3Y
=> Y= 1.5, X=7.5
Nicholas Muir
answered
Nov 11, 2017
by
Nicholas Muir
8.1k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Feb 21, 2016
49.7k
views
Given these equations: x+y=9.0 0.50x+0.20y=3.15 Find the values of x and y.
Nekeisha
asked
Feb 21, 2016
by
Nekeisha
8.1k
points
Mathematics
high-school
1
answer
0
votes
49.7k
views
asked
Jul 25, 2017
25.6k
views
Given these equations x+y=9.0 0.50x+0.20y=4.05
Jserras
asked
Jul 25, 2017
by
Jserras
8.1k
points
Mathematics
high-school
2
answers
4
votes
25.6k
views
asked
Aug 26, 2018
20.4k
views
Find the values of x and y 0.50x+0.20y=3.90
Rahul Shalgar
asked
Aug 26, 2018
by
Rahul Shalgar
7.9k
points
Mathematics
college
2
answers
5
votes
20.4k
views
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
Other Questions
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity