Solve the following system of equations using any method
3x+3y+6z=6
8x+3y+9z=9
7x+9y+...
Mathematics, 23.04.2020 19:46, mmblair14
Solve the following system of equations using any method
3x+3y+6z=6
8x+3y+9z=9
7x+9y+4z=-60
Answers: 3
Mathematics, 21.06.2019 21:30, Harriche
The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet
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, 27.01.2020 01:31
Mathematics, 27.01.2020 01:31
Mathematics, 27.01.2020 01:31
Mathematics, 27.01.2020 01:31
Mathematics, 27.01.2020 01:31
Mathematics, 27.01.2020 01:31