TimothyYash9403
20.03.2020 •
Mathematics
Simplify using Order of Operations.
12-3(10+23):9X(-2)
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Ответ:
Exponents ^x
Multiplication/Division */
Add/Subtract +-
12-3(10+23):9x(-2)
(I don’t understand the “:” but it is right next to the / sign, so I will solve like that)
Ответ:
c)462m
Step-by-step explanation:
If a person walks round the park, the person would be walking the whole perimeter of the trail
Perimeter = 2 x (length + breadth)
2 x (30m + 47m) = 154m
If he walks three times, the distance covered = 154m x 3 = 462m