marica24 marica24

03-10-2018
Mathematics

contestada

if (3,n) is a solution of Ax+3y=6 and (n,5) is a solution of 5x+y=20,what is the value of A?

Respuesta :

crisforp crisforp

03-10-2018

We have 3A + 3n = 6 and 5n + 5 = 20;

Then, 5n = 15;

n = 3;

Finally, 3A + 9 = 6;

3A = -3;

A = -1;

Answer Link

Otras preguntas

Write a paragraph analyzing how each of these documents influenced the group the representative government in the American colonies Mayflower compact The Englis

Which is the equation of the line with slope 3 that contains point (-1,5)? y-1 = 3(x + 5) y - 1 = 3(x - 5) y - 5= 3(x - 1) y - 5= 3(x + 1)

please help i am confused.

What are some reasons for studying economics? Choose 3 answers

Which diabetes makes you pee more central vs nephrogenic

if temperature were available from several stations in canada near the great lakes do you think 15-degree line would form a closed loop?

Choose one image that you think best illustrates life in the ghettos. Describe the image. Why do you think it best shows what life was like in the ghettos?

Approximate the solution to the equation using three iterations of successive approximation

Borrow 1 from the whole number part to rewrite 8 10/24

help me !!How many years will it take for the Honda to be worth more than the Range Rover? Justify your response mathematically.