Ineedbettergradesplz Ineedbettergradesplz

03-05-2022
Mathematics

contestada

Solve the equations x + y = 300 and 12x + 15y
4,140

Respuesta :

belleza49 belleza49

03-05-2022

Answer:

x=120

y=180

Step-by-step explanation:

x=300-y

12x+15y=4140

12(300-y)+15=4140

y=180

substitute

x=300-180

x=120

Answer Link

Otras preguntas

Name the following structure:

Which statements accurately describe the roles of decomposers in the carbon cycle?

A firm has positive net debt and operates in a single industry. It is considering a project similar to those the firm normally undertakes. To apply the IRR rule

if a= -0.5 and b=5, find the value of 4a+b

Cory is paid $567.20 biweekly. What is his annual salary? O $6,806.40 $13,612.80 o $14,747.20 $29,494.40

Which graph represents 7 x − 2 y ≤ 5 7x−2y≤5

Melvin spends 6 1/4% of his monthly salary on transportation. if his salary is 1,600 a month how much does he spend on transportation

A flask is charged with 3.00 atm of dinitrogen tetroxide gas and 2.00 atm of nitrogen dioxide gas at 25ºC and allowed to reach equilibrium. N2O4(g)-->2 NO2(

Presidential powers in foreign affairs are generally recognized as taking priority over Congressional authority in those matters because... A)The president is o

How did the social order change as a result of the industrial revelution?