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BaLLatris [955]
3 years ago
12

A sailboat travels 3 miles in 1.5 hours. How far can a boat travel in 0.5 hour?

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
4 0

the answer to that question is 1 mile

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Answer:

um wow that is realy hard

Step-by-step explanation:

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3 years ago
The new ointment was applied to four locations, and a control was applied to the other four. How many different choices were the
lubasha [3.4K]

Answer:

there are 70 possible choices for the four locations to apply the new ointment

Step-by-step explanation:

Since we have a total of 8 locations ( 4 to the new ointment and 4 to the control) ,  each one can be chosen and since the order of the locations that are chosen for the new ointment is not relevant  , then we know that the number of choices is given by the number of combinations of 4 elements in 8

number of combinations = 8 possible locations to the first ointment * 7 possible locations to the second ( since the first one was already located) * 6 to the third * 5 locations for the fourth / number of times the same combination is repeated ( the same locations but in different positions) = 8*7*6*5 / (4 possible positions for the first ointment* 3 possible positions to the second ointment (since the first one was already located * 2 possible positions of the third * 1 possible position of the fourth)

therefore

number of combinations = 8*7*6*5/(4*3*2*1 ) = 8!/((8-4)!*4!) = 70 possible combinations

thus there are 70 possible choices for the four locations to apply the new ointment

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3 years ago
Area of 23ft^2 what is the length of a square
pentagon [3]

Step-by-step explanation:

Area=23ft²

Side=√23ft²

Side=4.8ft

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2 years ago
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