Mathematics, 30.06.2019 00:30 andrwisawesome0
Solve by substitution. choose all that apply. 2x + y = 5 3x - 3y = 3 select one or more: a. the solution has a negative y value. b. the solution has both a negative x and a negative y. c. the solution has a negative x value. d. the solution has a positive x value. e. no solution solve by substitution. 2x - y = 7 6x - 3y = 14 select one: a. no solution b. the solution has a negative x value. c. infinitely many solutions d. the solution has a positive x value. solve by elimination. 2x - y = 7 3x + y = 8 select one: a. the solution has two positive values. b. the solution has a negative x value. c. the solution has one positive and one negative value. d. the solution has a positive y value. solve by elimination. 3x - y = 12 5x + 2y = 20 select one: a. the solution has one value that is zero. b. the solution has two positive values. c. the solution has one positive and one negative value. d. the solution has two negative values. solve by any method you choose. 3x + y = 8 3x + 3/2 y = 12 select one: a. there are no solutions to the system. b. there is one solution to the system. c. there are infinitely many solutions to the system.
Answers: 1
Mathematics, 21.06.2019 22:00
What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?
Answers: 1
Mathematics, 21.06.2019 23:00
Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet
Answers: 1
Mathematics, 22.06.2019 01:10
What is the angle measure, or angle of depression, between this bird and the bird watcher?
Answers: 1
Solve by substitution. choose all that apply. 2x + y = 5 3x - 3y = 3 select one or more: a. the sol...
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