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 ( 31+ )
Otras preguntas
You are working for Dr. Charles Green, a gastroenterologist at BSC Medical Center. Your patient is Mrs. Judy Keith, a 42-year-old female with a 3-week history o
The base-dissociation constant of pyridine (C5H5N) is K b = 1.7 × 10⁻⁹. What is the pH of a 0.069 M solution of pyridine?a. 9.03b. 4.97c. 9.93d. 9.61
In a competitive market equilibrium with normal supply and demand curves,a. Prices might be affected by what a firm does.b. Firms are always price makers.c. A r
Show that computing the square of an n-bit integer is asymptotically as hard as multiplying two n-bit integers. Or equivalently, show that you can multiply two
Firms are attracted to expanding industries by A) normal profits. B) economic profits. C) cost structure. D) revenue structure.
Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine if the events are unus
Stan divided the lawn into 30 equal plots. He counted the number of daisies in each plot: 12, 15, 8, 16, 24, 5, 13, 2, 34, 21, 18, 15, 12, 8, 4. What is the var
1. Which system is the solution of the graph?
Find f′(x) if f(x) =√x²+1
Determine whether the following series converge. Rigorously justify your answers (using the convergence tests from the lecture) . (a) ∑[infinity]ₙ₌₁n/n²+1(A)
