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kirill115 [55]
2 years ago
5

You are told that the two points x=0 andx=0.0900m are within one wavelength of each other. If the wave is moving in the + x-dire

ction, determine the wavelength.

Mathematics
2 answers:
AysviL [449]2 years ago
7 0

Answer:

The wavelength, λ = 0.12m

Step-by-step explanation:

the wave disturbance travels from x = 0( t = 0.01 sec) to some point x = 0.09 m

       ( t = 0.035 sec) to theright of the origin in an amount of time given by x/v  ,

        where v is thewave speed

             datais                 time(sec)               x

                                          0.01                      0

                                           0.035                    0.09

                             

                            0.025 = 0.09 / v

                                  v = 3.6 m/s

             we know that v = n ?

                                   v = ? / T

                                  ? = v * T = 0.144 m

Anton [14]2 years ago
4 0

Answer:

0.144 m

Step-by-step explanation:

Please see attachment

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A farmer plants corn in 1/4 of his field. He plants white corn in 3/5 of the corn
bija089 [108]

Answer:

\frac{3}{20}

Step-by-step explanation:

Fraction of the total that is for corn (TC - Total corn):

TC=\frac{1}{4}

fraction of the corn section that is for white corn (WC - white corn in the corn seccion):

 WC=\frac{3}{5}

we need to find the fraction of the whole field that is for the white corn.

For this we need to find how much is \frac{3}{5} out of the \frac{1}{4} destinated to corn, and this will be the fraction of the total that is for white corn. We find this fraction by multiplying the fraction of corn (\frac{1}{4}) by the fraction of white corn in the corn section (\frac{3}{5}).

I will call the total fraction of white corn TWC, thus:

TWC=WC*TC=\\=\frac{3}{5} *\frac{1}{4} \\\\=\frac{3*1}{5*4} \\\\=\frac{3}{20}

the answer is: \frac{3}{20} of the whole field is planted with white corn

5 0
2 years ago
In a sale, normal prices are reduced by 20%. The sale price of a shirt is £26. Calculate the normal price of the shirt
Karo-lina-s [1.5K]
26/80*100 = <span>£</span>32.50 is your answer
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2 years ago
Which formula can be used to describe the sequence?
Maru [420]

Answer:

B

Step-by-step explanation:

I think your answer will be B! Good luck :)

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2 years ago
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Solve for x in the equation x squared + 14 x + 17 = negative 96. x = negative 7 plus-or-minus 4 StartRoot 6 EndRoot i x = –7 ± 8
blagie [28]

Answer:

x=-7\pm8i

Step-by-step explanation:

we have

x^{2} +14x+17=-96

Equate to zero

x^{2} +14x+17+96=0

x^{2} +14x+113=0

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

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in this problem we have

x^{2} +14x+113=0

so

a=1\\b=14\\c=113

substitute in the formula

x=\frac{-14\pm\sqrt{14^{2}-4(1)(113)}} {2(1)}

x=\frac{-14\pm\sqrt{-256}} {2}

Remember that

i=\sqrt{-1}

so

x=\frac{-14\pm16i} {2}

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7 0
2 years ago
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If ce = 7x+4, find the value of x
Alex787 [66]

Hey there,

To find the value of x we can take the two, CD or DE and set them equal to CE.

First step is set the lines equal to each other:

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Now we combine like terms:

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Then we subtract 7x from both sides:

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Add 6 to both sides:

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Lastly we divide both sides by 2:

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Hope I helped,

Amna

7 0
2 years ago
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