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Anvisha [2.4K]
3 years ago
7

A ship captain looks up at the top of a lighthouse at a 7 degree angle of elevation and calculates that he is 1221 feet from its

base. How tall is
the lighthouse, rounded to two decimal places?

123.01 feet
134.78 feet
149.92 feet
148.80 feet
Mathematics
1 answer:
Crank3 years ago
6 0
148.80 feet !!!!!!!!!!!
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If segment FD = 20 units and segment DE = 52 units, what is the value of b? Round the solution to the nearest hundredth.
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Answer:

b = 22.62^{o}

Step-by-step explanation:

Since the triangle is a right angled triangle, the appropriate trigonometric function can be applied to determine the value of b.

Thus, to determine the value of b;

Sin θ = \frac{opposite}{hypotenuse}

Sin b =  \frac{20}{52}

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          = 0.38462

⇒ b = Sin^{-1} 0.38462

  = 22.6202

b = 22.62^{o}

The measure of angle E (= b) is 22.62^{o}.

         =

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The left term is (5x)³.

The right term is 10³.

So, you can use the formula for the factorization of the difference of cubes.

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Here, you have a=5x, b=10, so the factorization is

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3 years ago
2605 rounded to the nearest hundred
Fittoniya [83]
It would round to 2600
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Step-by-step explanation:

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34kurt

Answer:

329.84

Step-by-step explanation:

(38 x 4) 2.17

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3 years ago
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