leanarocks
leanarocks leanarocks
  • 23-11-2017
  • Mathematics
contestada

Can someone help me with number 6? Thank you

Can someone help me with number 6 Thank you class=

Respuesta :

chi3fcomm5nd
chi3fcomm5nd chi3fcomm5nd
  • 23-11-2017
1- -y^2+6y+x-9=0
2- 6y=x+27
we solve by substituting from the 2nd equation we get x=6y-27
substituting in equation 1
-y^2+6y+(6y-27)-9=0
-y^2+12y-36=0
y^2-12y+36=0
(y-6)(y-6)=0
y=6 since x=6y-27 x=36-27=9
the point of intersection of only soultion is (9,6)

Answer Link

Otras preguntas

percent of change in 15 to 33
During the Vietnam War, journalists _____. could accompany U.S. forces were not allowed in combat zones held daily press briefings known as "five o'clock follie
Australia is blank of south america what is the blank part
The French Directory was overthrown in 1799 by a military officer named
GDP per capita does not include _____, which is a problem with using it to measure quality of life. unpaid work country's population material goods
The first organized opposition to slavery as an institution emerged in the late _____ century.
_________ could not grant fiefs. a. Vassals c. The Church b. Nobles d. Kings
An advanced society is marked by _____.
The average adult in the US watches _____ hours of television each week. a. 12 b. 16 c. 28 d. 48 Please select the best answer from the choices provided.
How you do this ???