wrightlilybug07
18.10.2020 •
Mathematics
Which of the following equations have exactly one solution?
Choose all answers that apply:
Choose all answers that apply:
(Choice A)
A
-13x+12=13x-13−13x+12=13x−13minus, 13, x, plus, 12, equals, 13, x, minus, 13
(Choice B, Checked)
B
-13x+12=13x+13−13x+12=13x+13minus, 13, x, plus, 12, equals, 13, x, plus, 13
(Choice C, Checked)
C
12x+12=13x-1212x+12=13x−1212, x, plus, 12, equals, 13, x, minus, 12
(Choice D)
D
12x+12=13x+1212x+12=13x+12
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Ответ:
No
Step-by-step explanation:
The time it takes Timothy to drive to his friends' houses is not proportional. This is because when going to the first house, he is going at 4km per minute, but when visiting the second and third houses he is no longer traveling at that speed.