Answer:
3 - 3/5
Step-by-step explanation:
Cosine = adjacent/hypotenuse
So, in this case, cos=6/10=3/5
You can use the Pemdas, forward or backwards you can also use over run you can also use fractions
2/5
Well, is namely their difference, so, let's first convert the mixed fractions to "improper", and subtract.
The solution to the problem is as follows:
Given: 2.5 lb
Asked: 2.5 lb -----> kg
Answer:
2.5 lb * ( 1 kg/2.2 lb) = 1.1 kg
Therefore, the weight of the book in kg is 1.1 kg.
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