Adding integers (+6)+(+2)
1 answer:
Answer:
Step-by-step explanation:
So the thing about adding of integers is that is both nos. are positive then you can simply add it and same with negative too.But with negative and positive we should subtract but that is for later.Luckily we have 2 positive integers so we do it like this:
+6 is the same as 6 and +2 is the same as 2 so we...
rule:add the numbers and add the sign.
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Option D:
160 plastic cubes can fit into the box.
Solution:
Convert mixed fraction into improper fraction.
Length of the box = 4 ft
Width of the box = ft
Height of the box = 2 ft
Volume of the box = length × width × height
= 20 ft³
Volume of the box = 20 ft³
Length of the plastic cube = ft
Volume of the cube = length × length × length
Volume of the cube = 0.125 ft³
= 160
Number of plastic cubes = 160
Hence 160 plastic cubes can fit into the box.
Option D is the correct answer.