Step-by-step explanation:
from difference of two squares:
therefore:
factorise out ¾ :
Tamara finds the sum of two number cubes rolled at the same time. The chart below shows all possible sums from the 36 possible c
ombinations when rolling two numbers cubes. How many times should Tamara expect the sum of two cubes be equal to nine if she rolls the two number cubes 252 times
1 answer:
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