Answer: X= 3^-1
X= -0.75
Step-by-step explanation:
Answer:
85 degrees
Step-by-step explanation:
Theses angles are the same because its parallell
Answer:
y = -1 ?
Step-by-step explanation:
y+10= 18/2
y+10=9
y=9-10
y=-1
The answer is x=y.
You'll see if you replace all the x's with y's.
Answer:
4 horses and 8 ducks.
Step-by-step explanation:
Let the number of ducks be d and the number of horses be h.
d + h = 12
Now ducks have 2 feet and horses have 4 so:
2d + 4h = 32
Multiply the first equation by 2
2d + 2h = 24
Subtract this equation from the second equation:
4h - 2h = 32 - 24
2h = 8
h = 4.
So there were 4 horses and 12 - 4 = 8 ducks.
