Answer:
Step-by-step explanation:
7) Area = 615.75 sq. km
πr² = 615.75
3.14*r² = 615.75
r² = 615.75/3.14 = 196
r = √196
r = 14 km
8) circumference = 15.71 yards
πd = 15.71
3.14*d = 15.71
d = 15.71/3.14 = 5 yards
9)Area = 415.48 sq.inches
πr² = 415.48
3.14*r² = 415.48
r² = 415.48/3.14 = 132.31
r = √132.31
r = 11.5 inches
diameter = 11.5*2 = 23 inches
Answer:
8 rows and 3 extra
Step-by-step explanation:
40/5=8
43-40=3
Answer:
48
Step-by-step explanation:
5 60
-- = ----
4 x
5x= 240
--- ------
5 5
x=48
Answer:
Density = 0.7g/cm³
Step-by-step explanation:
Density = mass / volume
Mass = 7g
Volume = 10cm³
Density = 7/10
Density = 0.7g/cm³