2x+3=9 What is x? this is an awesome question
2 answers:
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Answer:
Step-by-step explanation:
the angle of depression of a boat from a cliff is 54 ° and if it approaches 150m to the coast it is 72 ° what is the height of the cliff?
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Using trigonometry on triangle ABC
tan x = opposite / adjacent
tan72 = h / 150
h = 150 × tan 72
h = 461.65 m
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Usando trigonometría en el triángulo ABC
tan x = opuesto / adyacente
tan72 = h / 150
h = 150 × tan 72
h = 461.65 m
Answer:
2
Step-by-step explanation:
The average rate of change of f(x) in the closed interval [ a, b ] is
Here [ a, b ] = [ 0, 2 ], thus
f(b) = f(2) = -(2)² + 4)(2) + 2 = - 4 + 8 + 2 = 6
f(a) = f(0) = 2
average rate of change = =
= 2