Question

Andrew measured the masses of different rock samples. He found that the mass of the
sample was 1.64 kilograms and the mass of the quartz sample was 0.83 kilogram.
Andrew wants to know the total mass of the two rock samples. Shade the grids below to
the sum of the masses of the granite and quartz samples.​

Answer 1

Answer:

the answer is 2.47 but i cant shade in the graph for you im sorry. but have a good day buddy

Answer 2

By direct addition, we will see that the total mass of the two rock samples is M = 2.37 kilograms.

How to get the total mass of the rocks?

Here we know that:

• Mass of the first sample = 1.64kg
• Mass of the second sample = 0.83 kg

We want to get the total mass for the two rock samples, then what we need to do is just add the two values that we know, this will give:

Total mass = 1.64kg + 0.83kg

We can rewrite:

0.83kg = 0.46kg + 0.37kg

Then we have:

1.64kg + 0.83kg = 1.64kg + 0.46kg + 0.37kg = 2kg + 0.37kg = 2.37kg

We conclude that the total mass of the two samples is 2.37 kilograms.

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