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

AB = 20 cm, m∠A = 30°, and m∠C = 45°. Express the number of centimeters in the length of BC in simplest radical form.

Can anyone answer these 4 questions?

How did Jim Crow function as a mechanism of racialized social control?

The table shows information about some children. Age 11 Age 12 Total Girls 3 a b Boys c 5 8 Total d 13 e A pupil is selected at random. What is the probabil

DUE TODAY, PLEASE HELP. GHB Sdn Bhd, a construction company, wanted to buy a piece of land. The company promised to pay Sandhu a 3% commission if Sandhu could a

Escoge la palabra que completa la frase. Choose the word that completes the sentence. El motivo del movimiento era pintar para comunicar los sentimientos del ar

An atom has 20 electrons. Find out i. It’s atomic numbers and total number of p-electrons ii. The value of azimuthal quantum number (l) and magnetic quantum num

Write a couple of paragraph about your plans after you complete grade 10

I need help answering this question.

who is the ancestors Ido not understand