Mathematics, 12.07.2019 02:20, bigbear123
Auniversity would like to estimate the proportion of fans who purchase concessions at the first basketball game of the season. the basketball facility has a capacity of 3 comma 600 and is routinely sold out. it was discovered that a total of 210 fans out of a random sample of 500 purchased concessions during the game. construct a 95% confidence interval to estimate the proportion of fans who purchased concessions during the game.
Answers: 1
Mathematics, 21.06.2019 20:30, catcatscats122
Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)
Answers: 1
Mathematics, 21.06.2019 23:30, legendman27
Given: ad¯¯¯¯¯ is an altitude. prove: ab2+ac2=cb2 right triangle a b c with right angle a. point d lies on side b c and segment a d is drawn. angle a d c is a right angle. drag and drop a reason into each box to correctly complete the two-column proof. statement reason ad¯¯¯¯¯ is an altitude, and ∠bac is a right angle. given ∠adb and ∠adc are right angles. definition of altitude ∠bac≅∠bda ? ∠bac≅∠adc ? ∠b≅∠b ? ∠c≅∠c reflexive property of congruence △abc∼△dba ? △abc∼△dac aa similarity postulate abbd=cbab ? ab2=(cb)(bd) cross multiply and simplify. acdc=cbac polygon similarity postulate ac2=(cb)(dc) cross multiply and simplify. ab2+ac2=ab2+(cb)(dc) addition property of equality ab2+ac2=(cb)(bd)+(cb)(dc) substitution property of equality ab2+ac2=(cb)(bd+dc) ? bd+dc=cb segment addition postulate ab2+ac2=cb2 substitution property of equality
Answers: 1
Auniversity would like to estimate the proportion of fans who purchase concessions at the first bask...
Mathematics, 11.06.2020 04:57