subject
Mathematics, 14.12.2019 09:31 alyssaflores

Four times a number, x, plus five times a number, y, equals 79. ten times x minus 5 times y equals 5. find the numbers by setting up a system of linear equations and solving the system using the elimination method.
a) x = 7, y = 9
b) x = 6, y = 11
c) x = 8, y = 10
d) x = -10, y = 7

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?
Answers: 2
question
Mathematics, 21.06.2019 21:30
Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document
Answers: 1
question
Mathematics, 21.06.2019 21:40
The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.
Answers: 1
question
Mathematics, 22.06.2019 01:30
Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?
Answers: 1
You know the right answer?
Four times a number, x, plus five times a number, y, equals 79. ten times x minus 5 times y equals 5...
Questions
question
Mathematics, 17.04.2020 05:26
question
Mathematics, 17.04.2020 05:26
Questions on the website: 13722362