3 years ago

Find the slope of the line that passes through the points (1,-4) and (3,-1).

Mathematics

1 answer:

sveta [45]3 years ago

8 0

Answer: E

Step-by-step explanation: I used m.athway

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.7766 approximately

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2 years ago

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A 20 foot extension ladder is placed in a wall making an angle of elevation for 85 degrees with the ground. If a person at the t

snow_tiger [21]

Answer:

21.74 ft

Step-by-step explanation:

We use Cosine because we are dealing with the Adj and Hyp

Cos 85 = x/20

x = 20 Cos 85

x = 1.74 feet away from the base of the wall.

Since the ladder is 20 foot long, the total distance will be 1.74 + 20 = 21.74 ft

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3 years ago

Please help someone help me! Correct answer only! This assignment is due today.

Mekhanik [1.2K]

Answer:

<em>Probability ≈ 0.0714</em>

Step-by-step explanation:

Consider permutation and combination;

$Total Combinations - 8C4,\\8C4 = 8! / 4! * ( 8 - 4 )!,\\8 * 7 * 6 * 5 / 4!,\\\\Total Combinations = 70,\\\\Combinations of Dance Classes - 5C4,\\5C4 = 5! / 4! * ( 5 - 4 )!,\\5 * 4 * 3 * 2 * 1 / 4 * 3 * 2 * 1,\\\\Dance Classes = 5,\\\\Probability - 5 / 70 = 0.0714,\\Conclusion; Probability = ( About ) 0.0714$