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AVprozaik [17]
3 years ago
14

A total of 350 signatures is needed for a petition to be considered by the town legislature. If 125 signatures have already been

obtained, what percentage of the signatures needed must still be acquired for the petition to be considered?
Mathematics
1 answer:
zysi [14]3 years ago
3 0
<u>125</u> = .357 = about 36%<u>
</u>350<u>
</u>
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Mr. Johnson orders 250 keychains printed with his athletic team’s logo and 500 pencils printed with their Web address. Write an
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1 year ago
1. A sine function has the following key features:
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Problem 1

See the attached image (figure 1)

16pi seems like a typo. I'm going to assume that it's a fraction and it is 1/(6pi)
f = 1/(6pi) = frequency
T = 1/f = 1/(1/(6pi)) = 6pi
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a = 2
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d = 3

The function is
y = a*sin(bx-c)+d
y = 2*sin(1/3*x-0)+3
y = 2*sin(x/3)+3

===============================================

Problem 2

See the attached image (figure 2) 

T = 12 is the period
a = 4 is the amplitude
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The function is
y = a*sin(bx-c)+d
y = 4*sin((pi/6)x-0)+1
y = 4*sin((pi/6)x)+1

===============================================

Problem 3

See the attached image (figure 3)

Period = 4pi
T = 4pi
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The function is
y = a*sin(bx-c)+d
y = -2*sin(0.5x-0)+3
y = -2*sin(0.5x)+3

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Problem 4

See the attached image (figure 4)

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y = a*sin(bx-c)+d
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See the attached image (figure 5)

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y = a*sin(bx-c)+d
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y = 2*sin((pi/4)x)+20

===============================================

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