Katelynnjones48
Katelynnjones48 Katelynnjones48
  • 27-04-2014
  • Mathematics
contestada

At what point (x,y) do the two lines with equations x-2y=5 and 3x-5y=8 intersect?

Respuesta :

Lilith
Lilith Lilith
  • 27-04-2014
[tex]\begin{cases} x-2y=5 \ \ /*(-3)\\ 3x-5y=8 \end{cases}\\ \\\begin{cases} -3x+6y=-15 \\ 3x-5y=8 \end{cases}\\ + \ -------\\ y=-7\\ \\x-2y=5 \\ \\x-2*(-7)=5 \\ \\x+14=5 \ \ |-14\\ \\x=5-14 \\ \\x=-9 \\ \\ \begin{cases}x=-9 \\ y=-7 \end{cases} \\ \\ \\Answer: \ \ this \ is \ the \ point : \ \ (-9,-7) [/tex]
Answer Link

Otras preguntas

What type of figurative language is “and he’s gotta be larger than life”?
an analysis of a sample of urine show the presence of blood cells and glucose . accountfor the presence of these substances in the urine
what woman was born an African American abolitionist and woman rights activist but could not read or write but was a talented public speaker ​
help needed please im stuck
An antique has a price tag of $275. The sales tax rate for the county is 8.2%. How much sales tax will be due?
help need please it’s hard
find the sum of the following APs. a 2 + 4 + 6+ ... + 98 + 100​
How does the Earth move within the Milky Way?
PLEASE HELP!!!! On a Saturday, a library checked out 117 books. If 36 of the books were fiction, what is the ratio of non-fiction books to fiction books checked
What is the volume of a sphere with a radius of 4,4 cm, rounded to the nearest tenth of a cubic centimeter? 223.8 294.4 0 299.1 O 356.8