earles
earles
11-04-2017
Mathematics
contestada
What is x and what is y if
50x + 30y = 5450
Respuesta :
Аноним
Аноним
15-04-2017
[tex]50x + 30y = 5450:\text{Solving for x}[/tex]
[tex]10(5x+3y)=5450 [/tex]
[tex]5x+3y= \dfrac{5450}{10} [/tex]
[tex]5x+3y=545 [/tex]
[tex]5x=545-3y [/tex]
[tex]x= \dfrac{545-3y}{5} [/tex]
* * * * * * * *
[tex]50x + 30y = 5450:\text{Solving for y}[/tex]
[tex]10(5x+3y)=5450 [/tex]
[tex]5x+3y= \dfrac{5450}{10} [/tex]
[tex]5x+3y=545 [/tex]
[tex]3y=545-5x [/tex]
[tex]y=\dfrac{545-5x}{3} [/tex]
[tex]y= \dfrac{5(109-x)}{3} [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 18+ )
Otras preguntas
Calculate the perimeter of a rectangle with sides 9cm and 13cm
what is the typical time span for long-range plans? a)more than one year b)2 to 3 years c) 3 to 5 years d) about 25 years
Simplify 8(R + 6) - 2R
The Triple Entente, also known as the Allies, consisted of Germany, Austria-Hungary, and Russia Germany, Austria-Hungary, and Italy France, Great Britain, and I
Write the inequality; Eight less than a number is greater than 0 and less than or equal to 1.
what is the answer to this 17x-9(x+4)=3x-26
Where would one million pennies belong in our table
in what way are plants in a sunny meadow and sulfur bacteria in a deep sea vent alike
French nationalism resulted in strong hostility toward Germany because __________. Select one of the options below as your answer: a. Germany had more colonies
what is a quotient in math
