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Mathematics, 21.06.2019 18:00
The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed
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Mathematics, 21.06.2019 19:00
Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?
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Mathematics, 21.06.2019 19:20
The suare root of 9x plus 7 plus the square rot of 2x equall to 7
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Mathematics, 22.06.2019 00:30
Me i’m stuck on all these questions besides the two bottom ones
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If4x2-100=0,roots of the equation are...
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