Mathematics, 01.08.2019 06:30 humbertom467
If you buy a lottery ticket in 50 lotteries, in each of which your chance of winning a prize is 1/100 , what is the (approximate) probability that you will win a prize (a) 100 at least once, (b) exactly once, (c) at least twice?
Answers: 1
Mathematics, 21.06.2019 15:00, aubreystechschu11331
Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?
Answers: 2
Mathematics, 21.06.2019 17:00, logangiggles02
This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m
Answers: 2
Mathematics, 21.06.2019 17:00, heysonic91
The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?
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
If you buy a lottery ticket in 50 lotteries, in each of which your chance of winning a prize is 1/10...
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