Mathematics, 06.07.2019 04:00 rosieanneanney
How many gallons of a 20% salt solution must be mixed with 4 gallons of a 30% salt solution to make a 25% salt solution?
Answers: 1
Mathematics, 21.06.2019 17:00
Adifferent website gives the cost for the first train as ÂŁ56.88 and the second train as ÂŁ20.11 with a ÂŁ9.50 charge for cycle storage for the whole trip. how much would the journey cost you?
Answers: 1
Mathematics, 21.06.2019 22:30
5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)
Answers: 1
Mathematics, 21.06.2019 23:00
George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2
Answers: 1
Mathematics, 21.06.2019 23:30
Given: adÂŻÂŻÂŻÂŻÂŻ 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 adÂŻÂŻÂŻÂŻÂŻ is an altitude, and â bac is a right angle. given â adb and â adc are right angles. definition of altitude â bacâ
â bda ? â bacâ
â adc ? â bâ
â b ? â câ
â c reflexive property of congruence âłabcâŒâłdba ? âłabcâŒâłdac 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
How many gallons of a 20% salt solution must be mixed with 4 gallons of a 30% salt solution to make...
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