Area of a circle: πr²
Data:
diameter: 21 cm
radius=diameter/2=21 cm/2=10.5 cm
area of this circle: π(10.5 cm)²=110.25π cm² (≈346.36 cm²)
Answer: area=110.25π cm²
600 * 0.85 (the way to work out 85% of something) = 510 flights on time
I hope this helps you
-7.x^3=2.7.9
x^3=-18
x=i.(3square root of 18)
A. False
B. True
C. False
D. True
Answer: g= 25 oranges
Step-by-step explanation:
.38g + 15 = 24.5
.38g = 24.5 - 15
.38g = 9.5
g = 9.5 ÷ .38
g = 25