Solving
an equation means finding a value of a variable that make the equation true.
This value is called the solution of the equation. A mathematical equation is
just like a balanced equation. Both sides of the equation should be equal at
all times. Whatever we do to one side, has to be done on the opposite side.
A cylindrical tube 9.5 cm high and 0.85 cm in diameter is used to collect blood samples. How many cubic decimeters (dmଷ ) of blo
1 answer:
Answer: 0.539 cubic decimeters of blood can be hold by the cylinder.
Step-by-step explanation:
Volume of cylinder= volume of blood it can hold =
Given :
Height of cylinder (h) = 9.5 cm
Diameter of cylinder (d) = 0.85 cm
Thus radius of cylinder (r) =
Putting the values we get:
Volume of cylinder= volume of blood it can hold = [tex] (1cm=0.1dm)
Thus 0.539 cubic decimeters of blood can be hold by the cylinder.
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Let l = 22.5 cm, b = 10 cm and h = 7.5 cm
Surface area of each brick
= 2(lb + bh + lh)
= 2(22.5 × 10 + 10 ×7.5 + 7.5 × 22.5 cm²
= 2 (225 + 75 + 168.75) cm²
= 2(468.75) cm² = 937.5 cm²
Area that can be painted using the paint of container = 9.375 m² = 9.375 × 100 × 100 cm²
Number of bricks that can be painted
Hence, 100 bricks can be painted out of the paint given in the container.
Surface area of each brick
= 2(lb + bh + lh)
= 2(22.5 × 10 + 10 ×7.5 + 7.5 × 22.5 cm²
= 2 (225 + 75 + 168.75) cm²
= 2(468.75) cm² = 937.5 cm²
Area that can be painted using the paint of container = 9.375 m² = 9.375 × 100 × 100 cm²
Number of bricks that can be painted
Hence, 100 bricks can be painted out of the paint given in the container.