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Bond [772]
3 years ago
13

I did some oF It but still need that help

Mathematics
1 answer:
HACTEHA [7]3 years ago
8 0

Answer:

0

Step-by-step explanation:

the y-intercept is the point where the x-axis is 0.

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Which of the following data could be graphed using a dot plot?Select all that apply.
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Answer:

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Step-by-step explanation:

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Help, Help, Please
Lesechka [4]

Answer:

θ = \frac{\pi }{3} (60° )

Step-by-step explanation:

Using the identity

sin²x + cos²x = 1 ⇒ sin²x = 1 - cos²x

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cos²θ - (1 - cos²θ) = 2 - 5cosθ

cos²θ - 1 + cos²θ = 2 - 5cosθ

2cos²θ - 1 = 2 - 5cosθ ( subtract 2 - 5cosθ from both sides )

2cos²θ + 5cosθ - 3 = 0 ← in standard form

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cosθ + 3 = 0

cosθ = - 3 ← not possible as - 1 ≤ cosθ  ≤ 1

2cosθ - 1 = 0

cosθ = \frac{1}{2} , so

θ = cos^{-1} (\frac{1}{2} ) = \frac{\pi }{3} ( or 60° )

8 0
2 years ago
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Josie buys o purse that costs $64.95. If the sales tax is 5.5%, what is the cost of the tax.​
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Answer:

3.57

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3 years ago
Answers or correcting???
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Answer:

Answers

Step-by-step explanation:

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Answer:

A. 30.27

Step-by-step explanation:

<h2>because it is 30.27</h2>
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