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Natali5045456 [20]
3 years ago
9

Plz help me 10 points

Mathematics
2 answers:
erik [133]3 years ago
8 0

Now that i can answer finally, the answer is $7.20, if she loses $2.40 every time she doesn't do her chore, that $2.40 x 3 which gets you $7.20

masya89 [10]3 years ago
6 0

Answer:

I think the answer is 7.20.....

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Step-by-step explanation:

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Find the two smallest possible solutions to part 1a​
bixtya [17]
<h3>Answer: A. 5/12, 25/12</h3>

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

Work Shown:

12*sin(2pi/5*x)+10 = 16

12*sin(2pi/5*x) = 16-10

12*sin(2pi/5*x) = 6

sin(2pi/5*x) = 6/12

sin(2pi/5*x) = 0.5

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2/5*x = 1/6+2*n or 2/5*x = 5/6+2*n

x = (5/2)*(1/6+2*n) or x = (5/2)*(5/6+2*n)

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these equations form the set of all solutions. The n is any integer.

--------

The two smallest positive solutions occur when n = 0, so,

x = 5/12+5n or x = 25/12+5n

x = 5/12+5*0 or x = 25/12+5*0

x = 5/12 or x = 25/12

--------

Plugging either x value into the expression 12*sin(2pi/5*x)+10 should yield 16, which would confirm the two answers.

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3 years ago
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Answer:

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3 years ago
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Answer:

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Use secant-tangent product theorem.

1. Set up the equation

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2. Solve

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Add 2x and 6 to both sides

x = 7

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3 years ago
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