Answers: 2

Math, 28.10.2019 15:29

Ajob could be done by eleven workers in 15 days. five workers started the job. they were reinforced with four more workers at the beginning of the 6th day. find the total number of days it took them to finish the job.

Answers: 3

Math, 02.11.2019 17:16

The wholesale cost of a sofa is $520. based on selling price, the original markup was 69%. find the sale price after the following series of price changes occured: a markdown of 13%, a markup of 30%, and a second markdown of 36%. round each intermediate selling price to the nearest cent.

Answers: 1

Math, 14.11.2019 16:29

1.) as concrete dries, it shrink - the higherthe water content the greater theshrinkage. if a, concrete beam has watercontent w kg/m3 then it will shrinkby a factor.s= 0.032. w -2.5 / 10.000where s is the fraction of the originalbeam length that disappears dueto shrinkage.a.) a beam 12.025 m long is cast in concrete that contains 250 kg/m^3 water. what is the shrinkage,factor s? what is the beams.length when it is dried? b.) a beam is 10.014 m long when wet. we want it to shrink to 10.009 m so the shrinkage factor should be s=0.00050. what water content will provide this amount of shrinkage ? (use modeling rational functions)

Answers: 2

The sides (in cm) of a right triangle containing the right angle are 5x and 3x -1. If the area of th...

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