Step-by-step explanation:
part 1 : explaining how to get the coordinates of B
part 2 : the gradient of BD
Answer:
i think its 18
Step-by-step explanation:
The volume of the mineral = increase in volume of the water whuich is 16 - 8 = 8mls.
Therefore the mineral's density = 9.6 / 8
= 1.2 g/ ml answer
You do 90-45 bc the whole angel must equal 90
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