subject
Mathematics, 23.07.2020 20:01 Olaf2018

HELP ME!Solve the system of equations by using the substitution method. \left \{ {{x+y=20} \atop {y=-5x}} \right. Are there solutions, none, or infinite number? If there's one solution, what's the ordered pair?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Use the graph to determine the range. which notations accurately represent the range? check all that apply. (โ€“โˆž, 2) u (2, โˆž) (โ€“โˆž, โ€“2) u (โ€“2, โˆž) {y|y โˆˆ r, y โ‰  โ€“2} {y|y โˆˆ r, y โ‰  2} y < 2 or y > 2 y < โ€“2 or y > โ€“2
Answers: 1
question
Mathematics, 21.06.2019 15:20
Which equation represents a circle with a center at (โ€“3, โ€“5) and a radius of 6 units? (x โ€“ 3)2 + (y โ€“ 5)2 = 6 (x โ€“ 3)2 + (y โ€“ 5)2 = 36 (x + 3)2 + (y + 5)2 = 6 (x + 3)2 + (y + 5)2 = 36
Answers: 3
question
Mathematics, 21.06.2019 16:00
Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year
Answers: 3
question
Mathematics, 21.06.2019 16:00
Find x to the nearest hundredth place
Answers: 2
You know the right answer?
HELP ME!Solve the system of equations by using the substitution method. Are there solutions, none,...
Questions
question
Mathematics, 12.11.2020 19:40
question
Mathematics, 12.11.2020 19:40
question
Computers and Technology, 12.11.2020 19:40
question
Mathematics, 12.11.2020 19:40
Questions on the website: 13722362