There are 3 people at a party if each person must shake hands with every other person at the party exactly once how many handsha
2 answers:
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Answer:
12 km
Step-by-step explanation:
Let
x km/h = speed of the canoe on the lake
y km/h = speed of the current
<u>With the current:</u>
Speed = x + y km/h
Distance = 30 km
Time = 3 hours 20 minutes = hours
Thus,
<u>Against the current:</u>
Speed = x - y km/h
Distance = 28 km
Time = 4 hours
Thus,
Add these two equations:
<u>On the lake:</u>
Time = 1.5 hours
Speed = 8 km/h
Distance
Answer:
234.784 ~ 235
Step-by-step explanation:
One side = 210
other side = 105
a2+b2 = c2
210 ^2 + 105 ^2 = c2
55125 = c ^2
c = = 234.784 ~ 235
hope its right!!!
