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

Jose worked n hours at 8.75 dollars per hour he made a total of $61.25 write an expression that represents the total number of hours Jose worked

A poem with your feelings of home using your five senses

what is the value of [-12]?

Derrick lives 3 miles from the park.He rode his bicycle to the park at an average speed of 9 miles per hour.how many minutes did it take Derrick to ride his bic

If 18000 is put aside in a money market account with interest reinvested monthly at 2.3% find the time required for the account to earn $2,000

Nathaniel is using the quadratic formula to solve 0 = x2 + 5x - 6. His steps are shown below. What are the solutions to the equation? x = –1, 6 x = –6, 1 x = –2

1.00 g of a metallic element reacts completely with 300 cm3 of oxygen at 298 K and 1 atm pressure to form an oxide which contains O2– ions. The volume of one mo

Explain how a battery works.

A small religious organization that typically has split off from a denomination because of differences in beliefs.

Mark and kathy take their 2-year-old son to the supermarket every saturday. each week, the same sequence of events unfolds: their son screams, demanding that th