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

Kia has a long piece of ribbon. She cuts the ribbon in half then cuts each of those halves in half again. Draw the cut ribbon. Kia uses 3 of the cut peices is w

The heaviest naturally occurring element is a. uranium c. xenon b. iron d. silver

What is an assumption historians make when they evaluate a source of information?

does anybody know the theme of "the lottery"

In the late 19th century, critics of big business claimed that monopolies most harmed the economy by

Which process results in two daughter cells each having the same number of chromosomes as the parent cell? A) meiosis B) mitosis C) cell cycle D) cytokinesis

A deer with a mass of 146kg is running head on toward you with a speed of 17 m/s. You are going north. Find the momentum of the deer .

The most accepted argument in favor of market economies is their efficiency. The argument most accepted in favor of command economies is the belief that they ar

Nitrogen and carbon are important to life because _____. they're needed to breathe they are needed for cellular growth they produce water they have strong bonds

You can build a doghouse in 6 hours. If you work 8 hours per day, how long would it take you to build 10 doghouses?