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kramer
3 years ago
9

Identify the frequency of the graph

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
4 0

ANSWER

\frac{1}{2}

EXPLANATION

The frequency of a wave function refers to the number of times the graph repeats its cycle within the interval [0,2π]

We can observe explicitly from the graph that the frequency is half.

The period of the given function is 4π

\frac{2\pi}{b} = 4\pi

b =  \frac{2\pi}{4\pi}  =  \frac{1}{2}

Hence the frequency is half.

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Answer:

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Step-by-step explanation:

3d^2 + 18d -21 =(3d -3)( d + 7)

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3 years ago
40 tickets were sold for a concert, some at 75 cents and the rest at $1.25. if the total raised was $42, how many had the cheape
Murljashka [212]

Answer:

34

Step-by-step explanation:

$1.25 = 125 cents.

$42 = 4200 cents

Tickets sold at 75 cents = x

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75x + 125y = 4200

Multiply the first equation by 75

75x + 75y = 3000

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Subtract the the second equation from the first.

75x + 75y = 3000

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-------------------------------

0 - 150y = - 1200

Divide both sides by - 150

-150y/-150 = -1200/-150

y = 8

Substitute y = 8 into the first equation

x + y = 42

x + 8 = 42

x = 42 - 8

x = 34

34 tickets were sold for 75 cents

8 tickets were sold for $1.25

3 0
3 years ago
My car averages 35 miles to a gallon. when the price of gasoline is $3.09per gallon, what was the cost per mile
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Answer:

132

Step-by-step explanation:

13/10+2/100=?/100

Get a common denominator of 100 for the first term

13/10  * (10/10)  +2/100=?/100

130/100 + 2/100 = ?/100

132/100   = ? /100

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3 years ago
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