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 ( 14+ )
Otras preguntas
what rule does static electricity follow
What is the additive inverse of -4a
The type and age of rocks found in the mountain range are also found on another continent. What might this mean?
How much money, in dollars, does one mole of nickels represent?
The rectangle has an area of 4(x+3) square units. A- If the dimensions of the rectangle are doubled, what is the area of the new rectangle in terms of x? Show y
How do I factor polynomials by grouping, step by step? 4x^2 - 19x+ 12
A youth ice hockey game has 3 periods that are each 20 minutes long. Colin plays 12 minutes each period. Which ratio shows Colin's playing time compared to the
a pine tree measured 40 and 1 over 2 feet tall. Over the next 7 and 1 over 2 years it grew to a height of 57 feet. During the 7 and 1 over 2 years, what was the
solve the simultaneous equation 4x+7y=1 3x+10y=15
4(3-5)=-2(8-z)-6z what is z