sleepingdog051p9hto8 sleepingdog051p9hto8

07-06-2018
Mathematics

contestada

Solve both proportions. I don't understand these two at all. Please help.

Solve both proportions I dont understand these two at all Please help class=

Respuesta :

mkryukova19 mkryukova19

07-06-2018

2.
2x/5 = (x+3)/3
2x*3 = 5(x+3)
6x = 5x + 15
6x-5x =15
x = 15

3. (5x-4)/(4x+7) = 13/11
11(5x-4) = 13(4x+7)
55x - 44 = 52x + 91
55x-52x= 91 + 44
3x = 135
x=45

Answer Link

Otras preguntas

solve for x 16x - 5 = 18x -2

In four to five sentences, give an example of an event or development that would make a family more complex. What changes might happen in terms of governance (e

How does temperature affect muscle flexibility and why?

In soccer, Hai is a goal scorer who plays in forward positions, always keeping his eyes trained on the ball and chance to put one past a goalkeeper. He's not ab

The __________ is a layer of cells that surrounds an axon and helps to accelerate the transmission of information. a: soma b: nerve c: myelin sheath d: axon ter

plz help me Identify the domain and range of relation ({3,-2),(8,1),(-9,2),(1,8)}

the grasshopper population in Georgia is currently 4,000. It's growing by 2.3% each year. Write an equation that models the situation.

width of picture 7 3/5 cm. to fit in the frame the picture cannot be more than 7 3/10 cm. how much should the picture be trimmed

Consider the following chromosomes and if they are affected by hemophilia. X - unaffected X chromosome, x = X affected by hemophilia, and Y = Y chromosome. If a

Una partícula se mueve en el plano XY efectúa un desplazamiento mientras actúa sobre ella una fuerza constante. X= (4i + 3j) m, F = (16i + 12j) N a) Calcule la