A dockworker uses a pulley system to raise a boat on to a dock. The pulley system has a mechanical efficiency of 73%. The boat has a weight of 950 N. The pulley system lifts the boat 5m in the air. How many newton-metres of work does the dockworker have to exert to life the boat? Please answer in the format

Given
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Analysis
Solution
Statement

Please help i don't understand and its due tmrw

Which of the following lines is parallel to x=4? a- 3y=9 b- y=4 c- x=2 d- x=y answer this as soon as possible xoxo lo ; )

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Which ahows the graph of the solution set of 6x+4y< 12