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makenziehook8
09.08.2019 •
Mathematics
Segment ab falls on line 6x + 3y = 12. segment cd falls on line 4x + 2y = 8. what is true about segments ab and cd?
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Ответ:
1.67 hours
Step-by-step explanation:
Let the original speed of Jonathan =
units/hr
Let the original time taken by Jonathan =
hours
Let the distance =
units
Formula for distance is given as:
Given that half the distance is covered by original speed.
Half the distance is covered by increasing the rate by 25%.
i.e. increased speed:
Hence, Time taken:
Distance traveled is half of the total distance:
Dividing (1) by (2):