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Kruka [31]
3 years ago
6

Describe how the graphs of functions f and g are related: f (x) = 2cos(pi x) g(x) = 2cos(2pi x)

Mathematics
2 answers:
Rus_ich [418]3 years ago
6 0
Same amplitude: 2,

but the period is half in the second case. Period of the first one is 2, in the second one is 1, so it will oscillate twice as many times than the first one, but it will go from -2 to 2, both of them

Hope it helps
Dominik [7]3 years ago
6 0
F and g have the same amplitude: 2

f and g have the same trajectory:  cosine function

But, g has half of the frequency of f
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ycow [4]

Answer:

a)

AB is on the latitude 30°N.

<u>Find AB:</u>

  • AB = 2*3.142*6400*cos 30°*(32+35)/360 = 6482.15 km

BC is along longitude 35°W

<u>Find BC:</u>

  • BC = 2*3.142*6400*(30 + 20)/360 = 5585.77 km

<u>Total distance traveled:</u>

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<u>Convert the distance to nautical miles:</u>

12067.92/1.86 = 6488.13 nautical miles

b)

<u>Find the average speed:</u>

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<u>Note</u>. <em>This is unrealistically high speed for a ship, this must be a plane or the time given wrong.</em>

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1 year ago
Solve for w. -22w-5)+5w-5(w+4) Simplify your answer as much as possible.​
Anna [14]

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Step-by-step explanation: Distribute:

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Combine Like Terms:

=−22w+−5+5w+−5w+−20

=(−22w+5w+−5w)+(−5+−20)

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Step-by-step explanation:

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