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

2) Select the algebraic definition for the piecewise function graph. F(x){_____ 0< = x < 2 {_____ 2 < = x < 4 A. 2x-8 B. 2 C. -2x+8 D. 4 E. 2

Who sets public policy? A) any group large enough to have influence B) Congress, through laws and Constitutional amendments OC) political parties, through their

_ -0.38 written as a fraction is ._____ ANSWERS BELOW-7/18 2/5-15/36

Geometry HELP PLEASE and explain how I can get it

2.75 x 4 x 10000 (with explanation)

Alisha earned $12.40 mowing the lawn and $6.50 raking the leaves. How much money did she earn in all?

You are trying to decide if you want to buy a seasonal golf membership for $224. If you buy the membership, you can golf as many games as you want during the se

I need help please with this math problem -5+2x^3+2x^3-3+4x^2-2x^2-x^3

If Earth has 150,100,000 km^2 of land area, how much land area is included in the biodiversity hotspots? PLS HELP NEED FOR TODAY!!!

how to solve 14x+2=9