Answer:
x=11, y=10
Step-by-step explanation:
x= 6+ (1/2)y
x+y=21
substitute the first equation into the second equation:
(6+ (1/2y)) + y =21
to get:
y=10
then to find x:
x+ 10 = 21
x=11
-204 + 418 is 214 ft
-56 - 214 is -270 ft
I believe these should be correct.
Answer:
x=14
Step-by-step explanation:
Your unit rate is 1.5 because if you divide 12 by 8, you get 1.5. You divide 21 by your unit rate to get 14.
Answer:
y=3x-2 is a function because it passes the vertical line test
Answer:
18
Step-by-step explanation:
The hypotenuse of the 45-45-90 triangle is 
The hypotenuse of the 45-45-90 triangle is also the shorter leg of the
30-60-90 triangle
The longer leg = x = shorter leg times
= 18