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AveGali [126]
3 years ago
12

-(x-3)-2=2x will need help ASAP

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
3 0

Answer:

1/3 = x

Step-by-step explanation:

zaharov [31]3 years ago
3 0

plz just use. okay

1/3 or 0.3

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Answer:

y = A sin (kx \pm wt)

Where k represent the number of wave k =\frac{2\pi}{\lambda} and w =\frac{2\pi}{T} represent the angular frequency with T the period.

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And the angular frequency would be given by:

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So then the possible anwer for this case would be:

D.) y= sin pi/260 theta

Since is the only option with satisfy the general equation of a wave.

Step-by-step explanation:

Since the sine function can be used to model light waves we can use the following general expression:

y = A sin (kx \pm wt)

Where k represent the number of wave k =\frac{2\pi}{\lambda} and w =\frac{2\pi}{T} represent the angular frequency with T the period.

For this case we know tha T = 520 nm

And the angular frequency would be given by:

w = \frac{2\pi}{520}= \frac{pi}{260}

So then the possible anwer for this case would be:

D.) y= sin pi/260 theta

Since is the only option with satisfy the general equation of a wave.

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9514 1404 393

Answer:

  A.  12.28 km²

Step-by-step explanation:

The area of the figure is the sum of the areas of its parts. The area of the triangular part is ...

  A = 1/2bh

  A = 1/2(3 km)(4 km) = 6 km²

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The area of the semicircular part is ...

  A = 1/2πr²

  A = 1/2(3.14)(2 km)² = 6.28 km²

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Then the area of the figure is ...

  6 km² + 6.28 km² = 12.28 km²

3 0
3 years ago
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