Mathematics, 26.02.2020 22:50 zuleiny38
A boat travels 50 mi upstream against the current in the same amount of time it takes to travel 70 mi downstream with the current. If the current is 3 mph what is the speed of the boat in still water
Answers: 1
Mathematics, 21.06.2019 15:50, yessijessiHaley
Name the most appropriate metric unit for each measurement
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Mathematics, 21.06.2019 22:30, jcazares3558
Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?
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Mathematics, 21.06.2019 23:00, SKYBLUE1015
Using only odd number for numerators write two different subtraction problems that have a difference of 3/4
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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
A boat travels 50 mi upstream against the current in the same amount of time it takes to travel 70 m...
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