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a city council conducted a survey on speed bumps to see what residents preferred. the coun...
Mathematics, 27.08.2019 15:20 milkshakegrande101
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a city council conducted a survey on speed bumps to see what residents preferred. the council asked every resident in one particular neighborhood what his or her preferences were. were the results of the city council's survey valid?
no, because neighborhoods do not have speed bumps.
yes, because every resident in a neighborhood was surveyed.
no, because the sample was not random.
yes, because the neighborhood surveyed wanted speed bumps.
Answers: 2
Mathematics, 21.06.2019 19:00, tanaemichel
John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11
Answers: 2
Mathematics, 21.06.2019 23:00, Faizalcell2120
Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?
Answers: 1
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