RChere RChere
  • 22-07-2022
  • Mathematics
contestada

Solve the simultaneous equations x - 5y = 0 and 15x + 10y = 17

Respuesta :

alex255489
alex255489 alex255489
  • 22-07-2022
x - 5y = 0 (1)
15x + 10y = 17 (2)

From (1),
2x - 10y = 0 (3)

(2) + (3),
17x = 17
x= 1

Sub x=1 into (1)
x - 5y = 0
- 5y = -1
y = 1/5

Therefore x = 1, y = 1/5.

Hope it helps : )
Answer Link

Otras preguntas

Three Places To The Right Of The Decimal Point Tells How Many Of These
what is the answer to 9n=45 ?
Find the solution to the following equation by transforming it into a perfect square trinomial. x2 – 10x = 39
Similar organisms that are not related are an example of  A.  Natural selection B. Convergent evolution  C. Divergent evolution  D. Common ancestor
You have the numbers 1–25 written on slips of paper. If you choose one slip at random, what is the probability that you will select a number that is divisible b
Which of the following states is considered part of the Corn Belt? End of exam A. Oregon B. Texas C. Iowa D. Alabama
a musician has 5 songs she can play at an open music night. how many different ways she can play 2 of them
Sam borrows $1,000 from a bank that is charging eight percent simple interest per year. If he pays the loan back in six months, how much interest will he pay?
Which war immediately preceded the communist revolution in Russia? * a. Russo-Japanese War* b. World War II* c. World War I* d. Cold War
When a star is in the main-sequence stage of its life, it is fusing __________ into ________