janfraulin janfraulin

02-11-2021
Mathematics

contestada

If 15x + 10y = a(3x + 2y), what must be the value of “a”? * A. 3 B. 5 C. 6 D. 7

Respuesta :

jimthompson5910 jimthompson5910

02-11-2021

Answer: B) 5

Work Shown:

[tex]15x + 10y = a(3x + 2y)\\\\5*3x + 5*2y = a(3x + 2y)\\\\5(3x + 2y) = a(3x + 2y)\\\\5 = a\\\\a = 5[/tex]

Answer Link

Otras preguntas

Which of the following is required for teams to be effective? A) Individual pay raises need to play a major role in terms of defining rewards. B) The level of t

Please help me with 29 and 30!!

The final marks in a statistics course are normally distributed with a mean of 70 and a standard deviation of 10. The professor must convert all marks to letter

1. Which author organized all of the stories of King Arthur and his knights of the Round Table?

I need help please asap

Where is primary succession likely to occur? in a field that has recently been mowed O near the base of a mature shade tree O at the deepest point on the ocean

The sides of a triangle have lengths 2x + 2, 4x, and 5x + 1. The longest side of the triangle has a length of 5x + 1. For what values of x is the triangle obtus

Place the single weight with a known mass on the spring and release it. Eventually, the weight will come to rest at an equilibrium position, with the spring som

a flashlight bulb uses 1.68 W of power. if it is turned on for 45.0 s, how much energy does it use?(unit=J)PLEASE HELP

The giant salamander is one of the few vertebrates found in the upper reaches of a river. How is this organism specialized to find food?