Popstar101 Popstar101
  • 06-10-2014
  • Mathematics
contestada

Solve the proportion 4/5=28/x using two methods

Respuesta :

luana
luana luana
  • 06-10-2014
[tex]\frac{4}{5}=\frac{28}{x}\ \ \ \ |multiply\ by\ x\ each\ side\\\\ \frac{4}{5}x=28\ \ \ \ |Multiply\ by\ 5\ each\ side\\\\ 4x=140\ \ \ |:4\\\\ x=35\\\\\\ Cross\ multiplication\ method:\\\\ 4x=28*5\\\\ 4x=140\ \ \ |:4\\\\ x=35 [/tex]
Answer Link

Otras preguntas

What is the factorization of the trinomial below 6x^2 - 13x - 63
Find the volume of the figure
The legs of a right triangle measure 24ft and 25ft what is the length of the hypotenuse
Which group of words is a phrase? A. You will nail the test B. In the rain C. The time was up D. She is busy E. The statue
Describe segregation in United States
What is the value of x?
Help please ASAP ???
What is the two part rationale for the exclusionary rule according to the us Supreme Court in weeks v. U.S when the federal rule was first announced
calculate the number of CO2 molecules in 3.00 moles
Select the choice that best completes the following sentence. Simple machines A. reduce the amount of energy needed to do work. B. are made up of multipl
good job