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Lady bird [3.3K]
3 years ago
12

Help needed and explained too!!

Mathematics
1 answer:
AleksandrR [38]3 years ago
5 0

Answer:

There are 1680 different ways four letters can be arranged.

Since you are using the permutation formula, plug in the values and solve.

P(n,r) = P(8,4)

= 8! / (8−4)!

= 1680

Spelling out LION is only one of the 1680 possible outcomes. Therefore the fraction 1/1680 would represent this probability.

P(LION) = 1/1680

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Question 1
Scrat [10]

Answer:

17.11 meters

Step-by-step explanation:

You are using trigonometry in this problem.

The height of the flagpole represents the side <u><em>opposite</em></u> the given angle.

The base of the triangle is given as 19 meters and represents the side <u><em>adjacent</em></u> to the given angle.

Out of the main trigonomentric functions (sine, cosine, and tangent), only tangent uses both the opposite and adjacent sides.

Tan(angle) = opposite / adjacent

If we plug in what we know into that equation: <em>tan(42 degrees) = h / 19</em>

This means that <em>your answer = 19 * tan(42) = 17.11</em> meters

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Bogdan [553]
Better labeling so I can understand.
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Add all of the pops together

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