RichardGA
RichardGA RichardGA
  • 24-10-2017
  • Mathematics
contestada

What is the value of x in the equation 1/5x – 2/3y = 30, when y = 15? 4 8 80 200

Respuesta :

altavistard
altavistard altavistard
  • 24-10-2017
Start with 1/5x – 2/3y = 30.  Let y = 15:      (1/5)x – (2/3)(15) = 30

Then (1/5)x - 10 = 30, and (1/5)x = 40, and so x = 200 (answer)
Answer Link
taniaorozco
taniaorozco taniaorozco
  • 24-10-2017
1/5x - 2/3y = 30;    y = 15

1/5x - 2/3(15) = 30

1/5x - 30/3 = 30

1/5x - 10 = 30

1/5x = 30 + 10

1/5x = 40 

x = 40 * 5

x = 200

hope this helped, God bless!
Answer Link

Otras preguntas

Two thirds of the product of 38 and 16
What is the next number ? in this pattern 3, -6, 12, 4, 20, ?
In a toy factory 200 wooden soils cylinders 7 cm long and 35 mm in diameter have to be painted. What is the total surface area in cm that needs to be painted
In a scaled drawing the width of a sofa is 1r cm. the actual width of the sofa is 140 cm what is the scale of the drawing
the measure of the force with which air molecules push on a surface
Abby lives in a state in which the state income tax rate is equal to 5.38% of federal taxable income. abby’s federal income tax is equal to 19.6% of her federal
What is 36 divided by 1.2?
Describe how you should warm up before attempting a maximal test
In which of the following sentences is the word compliment used correctly?        A. She had difficulty finding a full compliment to staff the hotel.   B.
A substance that conducts electricity, is malleable, ductile, and has luster would be classified as a A) compound B) element C) metal D) nonmetal