Mathematics, 01.10.2019 23:30 megkate
Sue surveyed the students at her school to find out if they like sandwiches and/or tacos. the table below shows the results of the survey:
like sandwiches
do not like sandwiches
total
like tacos
43
7
50
do not like tacos
27
23
50
total
70
30
100
if a student likes sandwiches, what is the probability that student also likes tacos?
43%
61.4%
71.4%
86%
Answers: 1
Mathematics, 21.06.2019 21:40
Use sigma notation to represent the following series for 9 terms.
Answers: 2
Mathematics, 21.06.2019 23:30
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
Sue surveyed the students at her school to find out if they like sandwiches and/or tacos. the table...
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