mukerian2
mukerian2
21-11-2016
Mathematics
contestada
Xy=30
3x-y=-9
Solve by the substitution method
Respuesta :
Аноним
Аноним
21-11-2016
If XY = 30, then we can make x=30/y.First:3x=-9+yx=-3+y/3By substitution, we get:30/y=3+y/330=3y+3y/y30=3y+33y=27y=9Hope this helps!
Answer Link
VER TODAS LAS RESPUESTAS ( 23+ )
Otras preguntas
If a person wants to practice on their own, without working for an employer, which credential should the person get? Certification Registration Licensure Educa
Caro has $10,000 to invest. Her best friend, Imelda, happens to be a stockbroker. Imelda tells Caro that her investments should be diversified. To make sure tha
I’m failing Algebra. Does anyone know how to do it?
Which word has a stronger connotation than intelligent? O A. Brainy O B. Wise O C. Smart O D. Brilliant
Why was Lincoln considered a great leader?
Simplify the expression, (4-3i)(-3+6i)-(2-i)
Mr. Club is an avid golfer. Last year, he golfed 34 times. His best score was 5 under par (which is scored as a negative 5) and his worst score was 16 over par
marco is 6 feet 3 inches tall. there are 2.54 inches in one centimeter how tall is marco in centimeters
Which behavior describes a quality of effective team parenting? working through issues not making changes for any reason avoiding all disagreements talking ins
the eighth grade class is going on a field trip to the Science Center they have up to $300 to spend on admission adult tickets cost $5 and student tickets cost
