zpfhyyg8gv zpfhyyg8gv

06-07-2022
Mathematics

contestada

What is the solution to this system of linear equations? 3x + 4y = 11, x+4y=9

Respuesta :

erinsancia erinsancia

06-07-2022

3x+4y=11
4y=11-3x
Substituting this into x+4y=9
X+11-3x=9
-2x=9-11
-2x=-3
2x=3
X=3/2
Substituting this into x+4y=9
3/2+4y=9
4y=9-3/2
4y=18/2-3/2
4y=15/2
Y=15/2/4
Y=15/8

X=1 1/2
Y=1 7/8

Answer Link

Otras preguntas

1. How long has the sun provided us with heat to keep us alive? ___________________years

Bank loans help the economy by A decreasing interest rate B increasing employment rate C decreasing exchange rate D increasing money supply I believe d but don’

Which statement best illustrates a claim of fact? A. The Great Depression was the most significant cause of World War II. B. The United States was wrong to dro

Which of the following can form more than one type of ion Halogens All metals Alkali metals Transition metals

the sum of two number is 65. the smaller number is 13 less than the large number. what are the numbers?

Why is the Haber process important?

Which argument did Thurgood Marshall use to challenge the legality of segregation in Brown V. Board of Education? A. All schools for African Americans were of p

Graph the function h(x) = -3x - 3

On January 1st. Jerome concocts a rumor and tells Beth. On January 2nd, they each tell a new person. By the end of January 2nd, four people have heard the rumor

if f(x)=g(x)-4 and g(x)=3(5^x) the f(2)=? 2 75 -4 71