krb2
krb2
10-02-2017
Mathematics
contestada
need to solve x and y
Respuesta :
afbc1028
afbc1028
10-02-2017
3x-4y=18
3x-y= 18/4 = 9/2
x-y = 9/2 / 3/1
x-y= 3/2
x = (3/2) + y
x+3y = -7
x+y= -7/3
x= (-7/3) -y
Answer Link
Notoeis2
Notoeis2
10-02-2017
2. x= 2
y= -3
4. x= 8.5
y= 4.7
Answer Link
VER TODAS LAS RESPUESTAS ( 59+ )
Otras preguntas
Factor (Reverse Distribute): 5x−5y y(5x−5) xy(5−5) 5(x−y) x(5−5y)
In her research, Dr. Ahura focuses on how the body and brain enable emotions, memories, and sensory experiences. Dr. Ahura favors the _____ perspective in psych
1. Which choice shows the sum of the two vectors <-2,0> and <4,-5> written as an ordered pair? (1 point) <4, –5> <2, -5> <-2, 0> &
If staff salaries were $44,000/month last year, and the yearly cost increase from last year to this year $108,000, what is the monthly labor cost this year?
After Wagemann speech, a male audience member comments, I can tell this is a topic about which Ms. Wagemann feels passionately. Based on this comment, which typ
In 1758, Carolus Linnaeus drew up rules for classifying and naming plants and animals. As science knowledge about living things has developed, it has been neces
how old is mount Rushmore
A special roulette wheel, which has an equal number of red and black spots, has come up red four times in a row. Assuming that the roulette wheel is fair, what
Rebecca completed work on a computer and is verifying the functionality of the system when she finds a new problem. This problem is not urgent and can be easily
Read the following passage: I felt guilty for being born where I was born. For being on the stronger side, because I knew we were using our strength unfairly. W
