tamseif
tamseif
02-10-2017
Mathematics
contestada
How do I solve this problem b+2/b-1=4/5
Respuesta :
sosophiephie3
sosophiephie3
02-10-2017
Since this is a proportion we cross multiply.
b+2/b-1=4/5
b-1(4)=b+2(5)
4b-4=5b+10
+4 = +4
4b=5b+14
-5b=-5b
-1b=14
divide by -1 on both sides
b=-14
Answer Link
VER TODAS LAS RESPUESTAS ( 32+ )
Otras preguntas
The width, of a rectangle is 1/2 of its length. What are the sides of the rectangle if its perimeter is 63 in
why does bread dough is needed to be left for hours or a day before baking?
If x +2 is a factor of p(x) =x²-kx +7, thrn find the value of k.Also,find the other factor of the polynomial ?
Which of the following best describes renewable energy? A. Natural mineral source of energy B. Sources that can be mined or drilled, and will last for a finite
A triangle has sides of length 4xy, 7, and2x. Which expression represents the distance around, or perimeter, of the triangle? O 6z+y+7 O 6x + 4y +7 O4zy + 2x +7
how many molecules of oxygen is in water
Which represents the inverse of the function f(x) 4x? O h(x) = x + 4 O h(x) = x - 4 O h(x) Sx O h(x) = ~x
A car starts from rest and travels for 4.0s with a uniform acceleration of + 1.3m/s^2. The driver then applies the brakes, causing a uniform acceleration of - 1
Which of the following best describes renewable energy? A. Natural mineral source of energy B. Sources that can be mined or drilled, and will last for a finite
1.08 to the 3rd power?
