How do you factorise 5x + 20 4x - 6
1 answer:
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Answer:
State A = oxygen; State B = juice
Option 3
Step-by-step explanation:
Given:
State A: Changes shape and volume
State B: Changes shape but not volume
Multiple Choice options:
State A = juice; State B = block of wood
State A = hydrogen; State B = block of wood
State A = oxygen; State B = juice
State A = air; State B = neon
The three states of matter are
Solid - Does not change shape or volume (like ice)
Liquid - Changes shape but not volume (like water)
Gas - Changes shape and volume (like water vapour in air)
State A must be a gas.
State B must be a liquid.
Eliminate the choice where state A is not a gas.
State A = juice; State B = block of wood
Juice is a liquid, like water.
State A = hydrogen; State B = block of wood
State A = oxygen; State B = juice
State A = air; State B = neon
Find the choice where state B is a liquid.
State A = hydrogen; State B = block of wood
State A = oxygen; State B = juice
State A = air; State B = neon
Incorrect State B:
Block of wood - solid
Neon - gas
Answer:
The volume of hemisphere is V = 59.4
Step-by-step explanation:
Diameter of hemisphere = 6.1 cm
Radius of hemisphere = 3.05 cm
We know that volume of hemisphere is given by
V = 59.4
Therefore the volume of hemisphere is V = 59.4