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yuradex [85]
3 years ago
11

A tiny but horrible alien is standing at the top of the Empire State Building (which is

Mathematics
1 answer:
Leto [7]3 years ago
7 0

Answer:

87.7 degrees.

Step-by-step explanation:

In triangle ABC, attached.

The height of the building |AB|=443 meters

The distance of the agent across the street , |BC|=18 meters

We want to determine the angle at C.

Now,

Tan C=\dfrac{|AB|}{|BC|} \\C=arctan (\dfrac{|AB|}{|BC|} )\\=arctan (\dfrac{443}{18} )\\=87.67^\circ\\\approx 87.7^\circ $(correct to the nearest tenth)

The agent should sfoot his laser gun at an angle of 87.7 degrees.

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In the manufacturing of a chemical adhesive, 9% of all batches have raw materials from two different lots. This occurs when hold
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Answer:

a) P(A) = 0.09

b) P(A') = 0.91

c) P(B|A) = 0.4

d) P(B/A') = 0.05

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f) P(A ∩ B') = 0.054

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Step-by-step explanation:

Let A mean batch is made from two different lots and B mean batch requires additional processing

It is given in the question that

P(A) = 0.09

P(B|A) = 0.4

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a) P(A) = 0.09 (given)

b) P(A') = 1-0.09 = 0.91

c) P(B|A) = 0.4 (given)

d) P(B|A') = 0.05 (given)

e) P(A ∩ B) = P(B|A) × P(A) = 0.4 × 0.09 = 0.036

f) P(A ∩ B') = P(A) - P(A ∩ B) = 0.09 - 0.036 = 0.054

g) P(B) = P(A ∩ B) + P(A' ∩ B)

P(B) = P(B|A) P(A) + P(B|A') P(A') = 0.4 × 0.09 + 0.05 × 0.91 = 0.0815

QED!

5 0
3 years ago
Question 2 multiple choice worth 1 points)
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4/6 > 3/8
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