3/9=1/3. To get from 3 to 9, multiply by 3. To maintain the same fraction, also multiply the numerator i.e 1 by 3.
We develop two different right triangles in which the opposite side to the given angle of depression is 1500 ft and the length of the runway is the y.
(45°) --> tan (45°) = 1500 ft / y₁
y₁ = 1500 ft
(42⁰) --> tan (42⁰) = 1500 ft / y₂
y₂ = 1665.92 ft
Finding the difference between two y's, the answer would be 165.92 ft.
Answer:
(f o h)(-5)=-33
Step-by-step explanation:
Let f(x) = 4x - 1, h(x) = - X-3.
(f o h)=4(-x-3)-1
(f o h)=-4x-12-1
(f o h)=-4x-13
(f o h)(-5)=-4(-(-5))-13
(f o h)(-5)=-20-13
(f o h)(-5)=-33
Answer:
B.
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Divide by 12375 and take the logarithm.
.. 500/12375 = 0.7749^(n -1)
.. log(4/99) = (n -1)*log(0.7749)
.. n = 1 +log(4/99)/log(0.7749)
.. n ≈ 13.583