It would be 19/6 as an improper fraction and 3 & 1/6 as a mixed number fraction.
Answer
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The surface area (S) of a rectangular prism is given in terms of its length (L), width (W), and height (H) as
... S = 2(LW +WH + LH)
Substitute your numbers and do the arithmetic.
... S = 2(7.2·10 + 10·6.3 + 7.2·6.3)
... = 2(72 + 63 + 45.36)
... = 2·180.36
... = 360.72 . . . . square inches
Answer:
-18
Step-by-step explanation:
So you have to always add the ones with parentheses. I added (-6) + (-6) and I get the answer -12. Last but not least I add -12 + -6 to get -18