Wesley1111 Wesley1111

02-03-2017
Mathematics

contestada

Is (1,2) a solution to this system of equations? 18x+10y=19 x+15y=18

Respuesta :

14mahayonf 14mahayonf

02-03-2017

No that wouldn't be the solution because:

18x=10y=19
18*1+10*2=
18+20=38
Which isn't 19 so it cant be the answer.

And:
x+15y=18
1+15*2=
1+30=31
Which is also wrong because it doesn't = 18

Answer Link

Otras preguntas

why is it important for scientists to have a standard measurement system that is used around the world

the ability of the east coast of the united states to communicate with the west coast was first made possible by

I have to interview Holly Short from the book Artemis Fowl (#1) i need 10 questions to ask her and answers to the questions (that are short)

Which conversion factors are used to convert 18 cm/s to meters per minute? Select each correct answer.1. 1m/100cm2. 100cm/1m3. 1 min/60s4. 60s/1min

Como se hace porque no le entiendo para nada eso es english

What is a term? What is a Unit?

Giovanni went to Los Angeles,California for the summer to visit his cousins.He used a map of bus routes to get from the airport to his cousins house is 56 km.On

The river along which the Roman Empire grew is...?

to be useful in a science, a hypothesis must be ...

what is the solution of this equation? 8p-8=-9(2p+5)-9(6-3p)