(3 x 7) + (x+40) 7/2x-5) = 180 find x
2 answers:
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Answer:
7
Step-by-step explanation:
16x + 22 = 134 ..... because if the two lines are parallel alternative exterior angles are congruent
16x = 134 - 22
16x = 112
x = 7
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Answer:
The distance cover by him walking back is 11.25 miles
Step-by-step explanation:
Given as :
Time for Janelle to spend on training = 5 hours
The running speed of Janelle = 9 mph
The walking back with 3 mph
Let The distance for running and walking is same i.e D miles
SO, Time =
∴ 5 = +
Or, 5 × 9 = D + 3 D
Or, 45 = 4 D
∴ D = = 11.25 miles
Hence The distance cover by him walking back is 11.25 miles Answer