<span>8x = 2y + 5
3x = y + 7 so y = 3x - 7
substitive </span>y = 3x - 7 into 8x = 2y + 5
8x = 2y + 5
8x = 2(3x - 7) + 5
8x = 6x - 14 +5
2x = -9
x = -4.5
y = 3x - 7
y = 3(-4.5) - 7 = -13.5 - 7 = -20.5
solutions (-4.5, -20.5)
Answer:
Step-by-step explanation:
I would use the zoom setting
Answer:
Y = 0
Step-by-step explanation:
Both functions have
maximum of 
minimum of -
midline is then the average of these
( - ) ÷ 2 = 0 ÷ 2 = 0
midline has equation y = 0 ( that is the x- axis )
Answer:
20 ft
Step-by-step explanation:
the 6 ft persons shadow was reduced by a factor of 4 for the flagpole shadow being 5 ft long just multiply by 4 to get 20 because 20/4=5
