chaseclay4540 chaseclay4540
  • 15-09-2020
  • Mathematics
contestada

Which expression is equivalent to 13x(9y – 12)? A. 3xy − 4 B. 3xy − 4x C. 3xy − 12 D. 3y − 4x

Respuesta :

samuelonum1
samuelonum1 samuelonum1
  • 16-09-2020

Answer:

B. 3xy − 4x

Step-by-step explanation:

step one:

Given the expression  13x(9y – 12) we are expected to expand the expression to obtain a similar expression given in the options

step two

we proceed by

[tex]= 13x(9y-12)\\\\=(117xy-156x)[/tex]

step three

we proceed to both terms in the expression

bt a common factor which is 39

[tex]\frac{117xy}{39}-\frac{156x}{39}[/tex]

[tex]3xy-4x[/tex]

From our analysis, the option D matches the expression

Answer Link

Otras preguntas

What's breed of given cat???Check attachment
A light plane flew from its home base to an airport 255 miles away. With a head wind, the trip took 1.7 hours. The return trip with a tail wind took 1.5 h
Your model locomotive is 18 inches long. It is an exact model of a locomotive that is 72 feet long. A window on the locomotive is how many times wider than a wi
what are three ways water erodes the surface of earth
3 ( 4d + 1 ) - 9d = 6 - 2d
two methods of active transport
how have computers changed mapmaking in recent years
A light plane flew from its home base to an airport 255 miles away. With a head wind, the trip took 1.7 hours. The return trip with a tail wind took 1.5 h
two methods of active transport
3 ( 4d + 1 ) - 9d = 6 - 2d