What is the solution to the following system of equations?
-5x-4y=-4
25x+20y=20
a...
Mathematics, 15.10.2019 19:00 srsnider2017
What is the solution to the following system of equations?
-5x-4y=-4
25x+20y=20
a. (4, –4)
b.(8, –9)
c. no solution
d. infinite solutions
Answers: 3
Mathematics, 21.06.2019 15:30
Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5
Answers: 1
Mathematics, 21.06.2019 23:40
Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.
Answers: 2
Mathematics, 22.06.2019 04:20
Which law states that if a conditional is true and its hypothesis is true, then the conclusion is true? a. the law of syllogism c. the law of detachment b. the law of conditional d. the law of deductive reasoning
Answers: 1
Mathematics, 22.06.2019 05:00
Mario and luigi were printing calendars mario used 2 1/2 ink cartridges while luigi used 1 3/4 ink cartridges .how many more ink cartridges did mario use than luigi
Answers: 1
Mathematics, 31.08.2020 20:01
Mathematics, 31.08.2020 20:01
Mathematics, 31.08.2020 20:01
History, 31.08.2020 20:01
Mathematics, 31.08.2020 20:01
Mathematics, 31.08.2020 20:01
Mathematics, 31.08.2020 20:01
Mathematics, 31.08.2020 20:01
Mathematics, 31.08.2020 20:01
Arts, 31.08.2020 20:01
Mathematics, 31.08.2020 20:01