Answer:
Step-by-step explanation:
The first one.
Answer:
-1/3
Step-by-step explanation:
y=mx+b
m=-1/3
Answer:
254.3 mm^2
Step-by-step explanation:
Area of a circle: A = π*r^2
π (pi) = 3.14
r (radius) = 9 mm
Substitute 3.14 for pi and 9 for radius:
A = π*r^2
A = 3.14*9^2
A = 3.14*81
A = 254.34 mm^2
Round to the nearest tenth:
254.34 ==> 254.3
Therefore, our final answer is 254.3 mm^2
Hope this helps!
50 x 20 = 1000, 20 + 36 = 56 so 56 hours