80+70=150
270/150=1.8 hours before the two trains are 270 miles apart
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Answer:
As the corrrect answer is
B
B
C
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Step-by-step explanation:
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This is the concept of trigonometry, the value of x will be calculated as follows;
sin theta=[opposite]/[hypotenuse]
theta=x
opposite=16 units
hypotenuse=21 units
thus;
sin x=16/21
hence;
x=arcsin(16/21)
x=49.63
x=50 (to the nearest degrees)
Three more than 4 times 12