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A conical vase of base radius 5cm and height 20cm is filled with 200ml of water, how high is the water level? Give your answer to 3 significant figures.

Answer: 2.96 cm

Equations used: Volume of a cone = (base area x height) / 3 ; Base Area = pi x radius2

Volume of whole vase = (pi x 52 x 20)/3 = 523.6 cm3

IC
Answered by Ian C. • Maths tutor
3750 Views

What are the different types of si clause?

There are four main types of si clause in Spanish, and they are as follows:

Si + Present + Present - This is used to convey a hab...

FY
Answered by Fergus Y. • Spanish tutor
5047 Views

Describe the difference between bonding in ionic structures and covalent molecules

Ionic structures form giant lattices with many electrostatic attractions between oppositely charged ions. Covalent molecules have strong covalent bonds involving a shared pair of electrons.

CD
Answered by Cam D. • Chemistry tutor
2662 Views

Factorise the following equation: 2x^2 + 8x + 8

The first step in factorising is to look for a 'common factor'. A common factor is a number or letter that all the values have in common. 

All the integers (numbers) in this equation can be divided...

EK
Answered by Ellen K. • Maths tutor
6380 Views

What is the difference between mitosis and meiosis?

Mitosis and meiosis are both ways that cell division can happen in humans. Mitosis produces two daughter cells that are genetically identical with the same number of chromosomes (diploid). Whereas, meiosi...

AA
Answered by Aisha A. • Biology tutor
4023 Views

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