9.7q = 9.1q - 7.92 q =
1 answer:
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Answer:
14) 21.136505024965 m
15) 43.076759215619 km
Step-by-step explanation:
14)
let h be the height of the lighthouse:
tan(41.3) = 18.7/h
Then
h = 18.7÷tan(41.5)
= 21.136505024965 m
………………………………………
15)
90-71.4 =18.6
Let s be the distance that the plane flew
towards the south:
tan(90 - 71.4) = s/128
Then
tan(18.6) = s/128
Then
s = tan(18.6)×128
= 43.076759215619 km
Answer:
54 = 2 × 3 × 3 × 3 = 2 × 3³
Initial value: x = 0
The initial value is 7.
The domain is all real numbers.
The range is all real numbers greater than zero.