saiful
saiful
03-10-2016
Mathematics
contestada
If A+b=76,a-b=36,a/b=?
Respuesta :
nobillionaireNobley
nobillionaireNobley
08-10-2016
a + b = 76 . . . (1)
a - b = 36 . . . (2)
(1) - (2) => 2b = 40
b = 40/2 = 20
From (1), a + 20 = 76
a = 76 - 20 = 56
Therefore, a/b = 56/20 = 2.8
Answer Link
VER TODAS LAS RESPUESTAS ( 51+ )
Otras preguntas
Which Is the equation of a circle with a radius of 2 and it's center at (-4,3)?
What is the osmotic pressure of a 100 ml of toluene solution that contains a total of 0.005 moles of a polymer dissolved in it at 25°c? give your answer in atm?
i need help Asap!! How did President Nixon leave office? A. he finished out his second term.B. he resigned.C. he died.D. he was impeached and removed.
Please help me I can’t tell if they are similar ASAP help
Which statements describe solstices? Check all that apply. - They occur when the Sun reaches its highest or lowest point in the sky. - They affect the amount
Americans went west in search of what? land gold to start a new life all of the above
Write the standard equation of the circle with center (-3, 5) and a diameter of 10. plez help a dying math student in need
How might the economic situation of a country contribute to the popularity of drinking tap water that comes from treated wastewater?
what quadrent would the point (-8,-5) be?
What is the most important rule to remember when solving inequalities with negative numbers? Answer: If you divide both sides of the inequality by a nega
