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Reptile [31]
3 years ago
12

a man dropped his keys into the sea, and watched them fall to a depth of -8 meters before landing on a rock. how far are the key

s from the surface of the sea?
Mathematics
1 answer:
aleksklad [387]3 years ago
5 0
I’m pretty sure it should just be 8 metres
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In the diagram of right triangle ABC shown below, AB = 14 and AC = 9. What is the measure of angle A to the nearest degree?
olga_2 [115]

This question is incomplete because it lacks the diagram of the right angled triangle. Find attached to this answer the diagram of the right angle triangle.

Answer:

d-50

Step-by-step explanation:

Looking at the attached diagram, the only way to solve for this is the use of the trigonometric function. The trigonometric function to be used is the cosine function.

From the diagram, we are given

Hypotenuse = AB = 14

Adjacent = AC = 9

The measure of angle A to the nearest degree is calculated as:

cos θ = Adjacent / Hypothenuse

cos θ = 9/14

θ = cos -¹ (9/14) or arccos(9/14)

θ = 49.994799115°

To the nearest degree = 50°

Therefore,the measure of angle A to the nearest degree = 50°

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Answer:

£2.16 per day

Step-by-step explanation:

Thats 90 litres a day.

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What is the pattern in the sequence graphed below?
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g(x) + f(x)

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