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Brut [27]
2 years ago
14

A helicopter hovers 500 feet above a small island. The figure shows that the angle of

Mathematics
1 answer:
Tamiku [17]2 years ago
6 0

Answer:

435 ft

Step-by-step explanation:

Reference angle = <P = 49° (angle of elevation)

Opposite side = 500 ft

Adjacent side = d = ?

Apply trigonometric function, TOA.

This:

Tan P = opp/adj

Tan 49 = 500/d

d × Tan 49 = 500

d = 500/Tan 49

d = 434.643369 ≈ 435 ft (to the nearest foot)

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8 0
3 years ago
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The sales tax in one state is 3%. Write a function rule for finding the total cost of an item with selling price x. Then find th
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A company is developing a new high-performance wax for cross country ski racing. In order to justify the price marketing wants,
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Answer:

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The selected samples for the champion are : 57.9, 62.9, 50.6, 50.5,48.2,47.2,50.2 and 43.1

The mean is ;

Sum =57.9 + 62.9 + 50.6 + 50.5+48.2+47.2+50.2+ 43.1 =410.6

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Assuming Significant =0.05 thus applying this level will give you 51.28-51.38

if specifically, the mean time to finish their standard test course should be less than 55 seconds for a former Olympic champion, then the null hypothesis is correct

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Null hypothesis: mean <55

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2 years ago
In theoretical probability, what does it mean when the question asks ‘at least’, for example what is the probability of getting
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Answer:

Step-by-step explanation:

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5 0
3 years ago
A plane is descending towards a runway in Chicago. The plane is flying at an altitude of 11 miles and is 193 miles from the runw
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The plane will make an angle 3.26^{\circ} with the runway.

Explanation:

Given that the plane is flying at an altitude of 11 miles and is 193 miles from the runway, as measured from the ground.

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From the given measurements, we can see that it is a right angled triangle. Hence, let us use the tangent formula to determine the angle.

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Taking tan^{-1} on both sides of the equation, we get,

\theta= tan^{-1}(0.057)

Simplifying, we have,

\theta= 3.26^{\circ}

Hence, the angle that the plane will make with the runway is 3.26^{\circ}

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