serenaskai serenaskai
  • 18-01-2021
  • Mathematics
contestada

If 2x(x-y)=54 and x=9, then y=

A. 6
B. 3
C. 2
D. 1

Respuesta :

Gadnukbreakerofworld
Gadnukbreakerofworld Gadnukbreakerofworld
  • 18-01-2021

Answer:

A. 6

Step-by-step explanation:

[tex]2x(x - y) = 54 \\ 2(9)(9 - y) = 54 \\ 18(9 - y) = 54 \\ 9 - y = \frac{54}{18} \\ 9 - y = 3 \\ y = 9 - 3 \\ y = 6[/tex]

Answer Link
PinkGreen9 PinkGreen9
  • 18-01-2021
Im guessing it’s A but I’m not really sure hopefully it’s right
Answer Link

Otras preguntas

Trade barriers and agreements summary
Geographers use negative numbers to represent points below sea level and positive numbers to represent points above sea level. How would geographers represent a
What is the measure of JKL? A. 60° B. 80° C. 110°D. 120 from edge 2020
Excerpt from Ocmulgee National Monument: A Place in History Marie Devers All around the Ocmulgee National Monument, evidence of several different civilizatio
Determine the area of the composite figure to the nearest whole number. A) 132 ft² B) 176 ft² C) 184 ft² D) 216 ft²
Help Will mark as brainliest
How would you characterize President Obama’s foreign policy?
Someone help answer this python question
What war powers acts were put in place by Lincoln to limit rebellion in the Border States?
the process of the water cycle​