beepbeep123
21.02.2021 •
Mathematics
Venice cycled for 8.45pm to 2.15am how long did she cycle for
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Ответ:
Step-by-step explanation:
We split the duration into 2 smaller intervals.
8:45p.m. to midnight = 3 hours and 15 minMidnight to 2:15a.m. = 2 hours and 15 minHence the total duration is 5 hours and 30 min.
Ответ:
0.2(n - 6) = 2.8
Distribute.
0.2n - 1.2 = 2.8
Add 1.2 to both sides.
0.2n = 4
Divide both sides by .2.
n = 20
Check.
0.2(20 - 6) = 2.8
Simplify inside parentheses.
0.2(14) = 2.8
Multiply.
2.8 = 2.8 This checks.
S = {2.8}