kdav9988 kdav9988
  • 12-07-2016
  • Mathematics
contestada

Solve 7x + 5y = 14 using matrices.
4x + 3y = 9

Respuesta :

trankieuoanh164
trankieuoanh164 trankieuoanh164
  • 12-07-2016
28x+20y =14*4 = 56
28x + 21y = 9*7 =56
 => y=0, x = 2

Answer Link

Otras preguntas

Dana is buying Grandparents' Day gifts at the mall. She spends $13.75 on a teacup for her grandmother. She spends 4/5 of that on a coffee mug for her grandfathe
PLS QUICK I ONLY HAVE 2 HOURS
what are the importance of federalism write any six points of nepal​
A group of researchers was investigating the changes in the population of land animals in India over a period of 30 years. They noted a decrease in the populati
brainliest!!!!!! Question 4(Multiple Choice Worth 1 points) (06.05 MC) Given the functions k(x) = 2x² - 5 and p(x) = x - 3, find (k. p)(x). (kop)(x) = 2x² - 6x
Find the H.C.F. of the following expressions:36(x³+x²y-12xy²), 54(x³y+4x³y²-21xy) ​
how much is 0.54/0.2
In which part of the ear is the sound wave converted into an electrical impulse?
How were the Thirteenth and Fourteenth Amendments enforced 1. Fifteenth Amendment 2. Jim Crow Laws 3. federal law enforcement 4. Laws made by Congress
Write a paragraph with your opinion about nature in your city?​