Answer:
11/3
Step-by-step explanation:
x=1, R=39, y=?
R=6x + 9y
(substitute the parameters into the equation)
39=6(1) + 9y
39= 6 + 9y
(collect like terms)
39 - 6 =9y
33=9y
(divide both sides by 9)
33/9=9y/9
11/3=y
therefore, y= 11/3
Answer:
49
Step-by-step explanation:
x² - 14x + c
x² - 2(x)(7) + 7²
c = 7² = 49
Answer:
3 < x
Step-by-step explanation:
3(8 - 4x) < 6(x - 5)?
Distribute
24 -12x< 6x -30
Add 12x to each side
24-12x+12x < 6x+12x-30
24 < 18x-30
Add 30 to each side
24+30 < 18x-30+30
54 < 18x
Divide each side by 18
54/18 < 18x/18
3 < x