Mathematics, 31.03.2020 19:36, daniellaZemira
Cynthia quiere calcular el área de un sector de un circulo cuyo radio mide 14 centimetros.¿ cual dato adicional debe saber Cynthia para calcular el area?
a. el diametro
b. la circunferencia
c. las coordenadas del centro
d. la medida el angulo central
Answers: 1
Mathematics, 21.06.2019 15:30, 001234567891011
Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?
Answers: 1
Mathematics, 21.06.2019 19:40, evarod
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Cynthia quiere calcular el área de un sector de un circulo cuyo radio mide 14 centimetros.¿ cual dat...
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