alexcuevaz90
04.07.2019 •
Mathematics
Solve for the two possible values of x: (4x - 11) (8x + 19) = 0
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Ответ:
(4x - 11) (8x + 19) = 0
4x-11 =0 8x+19 = 0
4x=11 8x=-19
x=11/4 x=-19/8
Ответ:
d = 6t
Step-by-step explanation:
Firstly, lets change the 2 hours and 30 minutes to 2.5 hours, you could devide the time in minutes by 60 to get that number 2[hours]+(
)[minutes to hours] = 2.5Hours.
Anyway, John ran 15 miles in 2.5 hours which means he ran (15÷2.5) in one hour which is equal to 6miles per hour. That means if you multiply the hours he ran by 6 you will get the miles he ran.
So the answer would be:
d = 6t