Mathematics, 16.07.2019 19:00 John7Gilbert
For questions 1-3 determine whether the equation represents a direct variation. if it does, find the constant of variation. 1. 2 y = 5x +1 a. not a direct variation b. direct variation, constant of variation is 5/2 c. direct variation, constant of variation is 2/5 d. direct variation, constant of variation is 1 -2/5 2. -12x = 6y a. not a direct variation b. direct variation, constant of variation is 1/2 c. direct variation, constant of variation is 2 d. direct variation, constant of variation is -2 3. 7x -1.4y = 0 a. not a direct variation b. direct variation, constant variation is 1/2 c. direct variation, constant variation is 2 d. direct variation, constant variation is -2 for questions 4-6 suppose y varies directly with x. write a direct variation equation that relates x and y. 4. y= -10 when x =2 a. y= -5x b. y= -1/5x c. y= 5x d. y= 1/5 x 5. y= 7 1/2 when x=3 a. y= 3/2x b. y= 2/3x c. y= 5/2 d. y= 2/5 6. y=10.4 when x=4 a. y= 3.4x b. y= 3.8x c. y= 3.2x d. y= 2.6x for questions 7 and 8 for the data in the table, tell whether y varies directly with x. if it does, write an equation for the direct variation. 7. (x. y) (3, 5.4) (7, 12.6) (12, 21.6) a. not a direct variation b. direct variation, y= 1.8x c. direct variation, y= 4x d. direct variation, y= 5/9x 8. (x, y) (-2,1) (3,6) (8,11) a. not a direction variation b. direct variation, y=x c. direct variation, y=2x d. direct variation, y= -2x
Answers: 2
Mathematics, 21.06.2019 16:30, Billie9166
An equation where variables are used to represent known values—function notation true or false
Answers: 2
Mathematics, 21.06.2019 18:10, chyyy3
The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%
Answers: 2
Mathematics, 22.06.2019 02:10, dillondelellis2006
Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices
Answers: 3
For questions 1-3 determine whether the equation represents a direct variation. if it does, find th...
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