Mathematics, 16.07.2019 05:00 meme6229
Ellie is twice as old as her sister kate. in seven years, the sum of their ages will be 20. how old are they now?
Answers: 1
Mathematics, 21.06.2019 13:10
Aphoto of a painting measured 13 x 17 inches the scale of the photo to the original painting is 1 inch to 3 inches. what is the size of this painting
Answers: 1
Mathematics, 21.06.2019 23:00
Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.
Answers: 3
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
Mathematics, 21.06.2019 23:40
Identify the parent function that can be used to graph the function f(x)=3(x-9)2
Answers: 1
Ellie is twice as old as her sister kate. in seven years, the sum of their ages will be 20. how old...
Biology, 29.10.2020 21:20
Mathematics, 29.10.2020 21:20
Mathematics, 29.10.2020 21:20
Arts, 29.10.2020 21:20
History, 29.10.2020 21:20
Mathematics, 29.10.2020 21:20