Answer:
3/5
Step-by-step explanation:
sinA = opp/hyp
= 21/35
= 3/5
Answer:
1000 times greater
Step-by-step explanation:
9.6 * 10^-2 / 9.6 * 10^-5
= (9.6 / 9.6) * (10^-2 / 10^-5)
= 1 * 10^(-2 -( -5))
= 10^3
= 1000
Answer:

Step-by-step explanation:
10 time the number for friend equals the cost
Answer:
489.40 cm³
Step-by-step explanation:
Since the cross section is parallel to their respective bases, hence:
Area of the cylinder cross section = area of the circular base = πr²
where r is the radius of the cylinder base.
Area of other cross section = area of rectangle base = 3.8 cm * 8.1 cm
Since both cross sections have same area, hence:
Area of cylinder cross section = Area of rectangle base
πr² = 8.1 * 3.8
r² = 9.8
r = 3.1 cm
Volume of the cylinder = πr²h = π(3.1)²(15.9) = 489.40 cm³