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# Andy is 2 year older than jeff. in 5 years the sum of their ages will be 40 years . find their ages now provide a complete algebraic solution   ### Another question on Mathematics Mathematics, 03.02.2019 11:17
Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures . Mathematics, 03.02.2019 03:50
Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change? Mathematics, 02.02.2019 20:48
Danae is shopping for grass seed. the prices of bags from four brands are shown in the table. grass seed brand price coverage a \$18.99 3,000 square feet b \$22.99 4,000 square feet c \$31.99 5,000 square feet d \$36.99 6,000 square feet which brand of seed has the lowest cost per square foot? Mathematics, 02.02.2019 20:10
Asystem of linear equations with fewer equations than unknowns is sometimes called an underdetermined system. can such a system have a unique solution? explain. choose the correct answer below. a. yes, it can have a unique solution. because there are more equations than variables, there are no free variables. if the system is consistent and there are no free variables, the solution set contains a unique solution. if the system is inconsistent, there is no solution. b. no, it cannot have a unique solution. because there are more variables than equations, there must be at least one free variable. if there is a free variable, the solution set contains a unique solution. c. no, it cannot have a unique solution. because there are more variables than equations, there must be at least one free variable. if the linear system is consistent and there is at least one free variable, the solution set contains infinitely many solutions. if the linear system is inconsistent, there is no solution. d. yes, it can have a unique solution. because there are more variables than equations, there must be at least one free variable. if the linear system is consistent and there is at least one free variable, the solution set contains either a unique solution or infinitely many solutions. if the linear system is inconsistent, there is no solution.
Andy is 2 year older than jeff. in 5 years the sum of their ages will be 40 years . find their ages...
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