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Dennis_Churaev [7]
2 years ago
15

Sarah drove to her grandmother's house, which is 92 miles away. If it took her 2 hours, what was her average speed?

Mathematics
1 answer:
babymother [125]2 years ago
3 0

Answer:

46 mph

Step-by-step explanation:

Distance = speed x time

92 mi = speed x 2 hr

speed = 92/2 = 46 mph

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Suppose two dice are tossed and the numbers on the upper faces are observed. Let S denote the set of all possible pairs that can
lesya [120]

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The set A={(1,2),(2,2),(3,2),(4,2),(5,2),(6,2),(1,4),(2,4),(3,4),(4,4),(5,4),(6,4),(1,(2,6),(3,6),(4,6),(5,6),(6,6)}

B={(2,2),(4,2),(6,2),(2,4),(2,6),(1,3),(1,5),(1,1),(3,1),(3,3),(3,5),(4,4),(4,6),(5,1),(5,3),(5,5),(6,4),(6,6)}

C={(1,1),(1,2),(1,3),(1,4),(1,5),(1,6),(2,1),(2,3),(2,5),(3,3),(3,5),(3,4),(3,6),(4,1),(4,3),(4,5),(5,1),(5,2),(5,3),(5,4),(5,5),(5,6),(6,1),(6,3),(6,5)}.

A∩B:{(2,2),(4,2),(6,2),(2,4),(2,6),(4,4),(4,6),(6,4),(6,6)}

A∪B={(1,2),(2,2),(4,2),(6,2),(2,4),(2,6),(4,4),(4,6),(6,4),(6,6),(3,2),(5,2),(1,4),(3,4),(5,4),(1,6),(3,6),(5,6),(1,3),(1,5),(1,1)(3,1),(3,3),(3,5),(5,1),(5,3),(5,5)}

A∩C={(1,2),(1,4),(1,6),(3,2),(3,4),(3,6),(5,2),(5,4),(5,6)}

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Can you answer these two questions please 10 points
ioda
I don’t understand either
6 0
2 years ago
Let m=1/3 and n=4/7.
Dmitry [639]
=(9(1/3))^2+2+4/7
=(3^2)+2+4/7
=(9)+2+4/7
=11+4/7
=81/7
4 0
3 years ago
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