kyliemo2003
kyliemo2003 kyliemo2003
  • 01-02-2017
  • Mathematics
contestada

Solve the system of equations.

3x+5y=9
3x+2y=3

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 01-02-2017
eliminate
multiply 2nd equtaon by -1 and add to first

3x+5y=9
-3x-2y=-3 +
0x+3y=6

3y=6
divide by 3
y=2

sub back

3x+2y=3
3x+2(2)=3
3x+4=3
minus 4 both sides
3x=-1
divide by 3
x=-1/3

(x,y)
(-1/3,2)
Answer Link

Otras preguntas

where is copper in the periodic table?
why did the catholic church censor books
A water wave travels 36 meters in 15 seconds. What is the speed of the wave? 540 m/s 2.4 m/s 0.42 m/s 1.9 m/s
An organism that contains two different alleles for a trait is said to be _______ for that trait. A. heterozygous B. recessive C. homozygous D. domi
Suppose that the event of picking a face card from a standard deck of 52 cards is considered a success. If a card is drawn at random and replaced, and this proc
The atomic number of an atom is the number of
Which of the following are examples of exponential decay? - The population of a Florida is increasing by 43% each year. - The pesticide DDT has a half-life
the first quartile of a data set is 51 and the third quartule is 67. which of these values in the data set is an outlie
Why was Stalin upset by the western allies decision to focus on North Africa? A. The Soviets controlled North Africa and did not want the Allies to interfere B.
A scale model of the statue of liberty is 5 inches tall. if the statue of liberty is 305ft tall find the scale of the model.