Solve the triangle using the law of cosines
2 answers:
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Answer:
The time required them working together to shovel the snow is T = 1.428 hours
Step-by-step explanation:
Given data
Time taken by first person to shovel the snow = 2 hours
Time taken by second person to shovel the snow = 5 hours
Time taken by both persons to shovel the snow
Put all the values in above equation we get
T = 1.428 hours
Therefore the time required them working together to shovel the snow is T = 1.428 hours