Mathematics, 19.05.2020 16:22 hsbhxsb
Please help me!On Monday, it took 5 builders 3 and a 1/2 hours to build a wall. An identical wall needs to be built on Tuesday but only 2 builders are available. Each builder is paid £9.30 for each hour or part of an hour they work. Work out how much each builder will be paid for the work completed by Tuesday. I need the explanation on of to do it too. Please
Answers: 2
Mathematics, 21.06.2019 14:30, theworld58
Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?
Answers: 1
Mathematics, 21.06.2019 17:40, challenggirl
Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882
Answers: 1
Please help me!On Monday, it took 5 builders 3 and a 1/2 hours to build a wall. An identical wall ne...
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