harukorigaux harukorigaux

04-05-2021
Mathematics

contestada

Can someone help me pls? I don't understand how to find x and y

Can someone help me pls I dont understand how to find x and y class=

Respuesta :

mthmatics mthmatics

04-05-2021

(Y+40)+(x+2y)=180
3y+x=140

2x+(y+20)=180
2x+y=160

Simultaneous equation
3y+x=140
Y+2x=160
Solve for y
Y=24
3(24)+x=140
X=140-72=68

not sure about the answer

Answer Link

Otras preguntas

The mass of one oxygen molecule is 5.3x10-23 gram. Find the mass of 20,000 molecules of oxygen. Express the answer in scientific notation

Sonia walks due east with a speed of two m/s. Bryan walks north with a speed of two m/s. Which statement best describes the relationship between their velociti

NEED HELP : STUCK ON THIS PROBLEM

Is it good to use laxitives to lose weight?

Please help find the length!!!

which phrase best describes surface currents

An unknown compound is found to contain 40.0 percent carbon, 6.7 percent hydrogen and 53.3 percent oxygen with a molecular mass of 60.0 g/mol. what is the molec

How did freedom for African Americans become a distant dream after reconstruction ended?

for the expression 6 - y + c, determine the coefficient for the variable. A: -1 B: o C: 3 D: 6

A scene that does not build to the climactic moment you expected is called a(n) ________. A. character B. setting C. anticlimax D. rising action