From question,
(140-x)/7+70=120
Or, (140-x)/7=120-70
Or,140-x=50X7
Or, -x=350-140
Or, -x=210
:• x = -210 answers
Answer:
Here is the solution...hope it helps:)
Cos theta = 75/115
theta = cos^-1 (75/115)
theta = 49.2 degrees
Answer: 6
Step-by-step explanation: you multiply x4 and -3 because the parenthesis and then you add.
Answer:

Step-by-step explanation:
Distance covered by the train in crossing the pole = 100 m.






- Hence, the speed of the train is 72 km/h