Answer:
394 m
Step-by-step explanation:
From the solution diagram attached ;
The distance between boat and base of hill is represented as d ;
Using the trigonometric relation :
Tan θ = opposite / Adjacent
Tan 13 = 91 / d
Tan 13 * d = 91
d = 91 / Tan(13)
d = 394.16 m
d = 394 m (nearest meter)
The right answer is Option B.
Step-by-step explanation:
Let,
Number of songs = x
Price of 1 song = $0.99
Membership fee = $19.99
Total amount paid = $21.97
According to given statement;
0.99x+19.99=21.97
Subtracting 19.99 from both sides
Dividing both sides by 0.99
Lauren bought 2 songs.
The right answer is Option B.
Keywords: Linear equation, subtraction
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