Answer: I think its B
Step-by-step explanation:
There are more than one way so i'm going to say this one: factor the first two terms by 3xy( 2y-1) and last two terms by 4(2y-1). now you can see the paranthesis are same. it's going to be (3xy+4) (2y-1)
Answer:
∠BOC is complementary to ∠COD, because both angles add up to 90°.
Answer:
485.9 mm³
Step-by-step explanation:
The volume of a sphere is 4/3 π r³. So the volume of a hemisphere is half of that:
V = (2 / 3) π r³
V = 128π/3
The formula for the volume of a cylinder is V = Bh or V = πr²h .
The radius of the cylinder is 4mm and the height is 7mm
Substitute 4 for r and 7 for h in the formula V = πr²h .
V=π(4)²(7)
V = 112π
Since the figure is made up of a hemisphere and cylinder so volume will be sum of these two shapes
V = 128π/3 + 112π
= 485.9 mm³
