Answer:
6.74cm
Step-by-step explanation:
Area of circle = π * r * r = 35.6
Radius of circle = √(35.6 ÷ π) ≈ 3.37
Diameter of circle = 2 * r = 6.74cm
Hello,
Let's assume n the number:
1+19*n
???????????????????????????
Answer:
Step-by-step explanation:
y=mx+b
y=-1/2x+b
X=5&y=-2
-2=-1/2(5)+b
-2=-5/2+b
b=-5/2+2
b=_0.5
Y=-1/2x-1/2
Answer:
1.33 × 10² hours
Step-by-step explanation:
Time taken is calculated as
Time = 
= 
=
× 
= 1.33 × 
= 1.33 × 10² hours ( to 3 significant figures )