With constant speed it will take her : 405 ml / 45= 9 hours of drive
Use the formula.
Area = (1/2)*13*10*sin(72°) ≈ 61.8 units².
Answer:
100 cm³
Step-by-step explanation:
If you use 3 for π, then the factors of 3 cancel in the formula for volume, and you have ...
V = r²h
The radius is half the diameter, so is (10 cm)/2 = 5 cm. Filling in the given values, you find the volume to be ...
V = (5 cm)²(4 cm) = 100 cm³
It will take 45 weeks.25 weeks to gain back the 500 dollor he spent and 20 to make 400 dollor from it