Find the value of 
Rewrite as
since sin(π/3) = √3/2
and sin(π-α) = -sinα
α is sin(π/3) of course
Rewrite as
since sin(π/3) = √3/2
and sin(π-α) = -sinα
α is sin(π/3) of course
Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total
2 answers:
Answer:
3 1st class tickets
5 coach tickets
Step-by-step explanation:
Quantity:: C + F = 8
Value:: 380C + 1180F = 5440
Modify;:
1180C + 1180F = 1180*8
380C + 1180F = 5440
Subtract and solve for "C"::
800C = 4000
C = 5 (# of coach tickets)
Let x = number of 1st class tickets
8-x = number of coach tickets
and
She bought 3 1st class tickets
She bought 5 coach tickets
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