Arectangular retaining wall has an area of
15
square feet. the height of the wall is tw...
Mathematics, 17.11.2019 03:31, kayelynn003
Arectangular retaining wall has an area of
15
square feet. the height of the wall is two feet less than its length. find the height and the length of the wall.
Answers: 3
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
Mathematics, 22.06.2019 03:30, macylen3900
Arock was dropped from the top of a building. the function that describes the height after it was dropped is f(x)=64-16x^2. what are the zeros of the function and what do they mean?
Answers: 1
Mathematics, 22.06.2019 04:20, albattatasraap5wymy
Determine if each number is a whole number, integer, or rational number. include all sets to which each number belongs. 4. -12. 5. 7/8
Answers: 2
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