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3 years ago

50 points!! will give brainliest <3

1 answer:

3 0

The coefficient of determination represents the percentage of the data that is the closest to the line of best fit.
the total variation in y can be explained by the linear relationship between x and y

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Find the area of the regular polygon

olasank [31]

$area = 44.0467 \: cm {}^{2}$

<h3>step by step explanation </h3>

● area of regular polygon Formulas ,

⟹ $a = \frac{l^{2}n}{4tan(\frac{\pi }{n)}}$

● now finding the area of regular polygon,

⟹ $\frac{4 {}^{2} \times 8 }{ 4 \: tan \: \binom{180}{5} }$

⟹ $a = \frac{128}{4 \times 0.7265}$

⟹ $a = 44.0467 \: cm {}^{2}$

Hope it's helps you

4 0

3 years ago

In ΔVWX, v = 64 cm, w = 18 cm and x=63 cm. Find the measure of ∠W to the nearest degree.

wariber [46]

Answer:

∠W = 16.3°

Step-by-step explanation:

In ΔVWX, v = 64 cm, w = 18 cm and x=63 cm. Find the measure of ∠W to the nearest degree.

From that above question, we are given 3 sides and we are to find the angle of one of the sides.

We solve using Cosine rule.

∠W = arc cos (v² + x²﹣w²/2vx)

∠W = arc cos (64² + 63² - 18² /2 × 64 × 63)

∠W = arc cos (0.9599454365)

∠W = 16.27137°

∠W = 16.3°

8 0

3 years ago

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Cindy has 2 boxes of pencils. Patrice has 5 boxes of pencils. Each box has the same number of pencils in it. Write an expression

musickatia [10]

Answer:

Step-by-step explanation:

4 0

4 years ago

What is 60% of 115 show your work

tangare [24]

115 x (.60) = 69
nwkdcw

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3 years ago

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After 5 tests, Tisha's average score was 91. After six tests, her average was 89. What was her score on her sixth test?

OlgaM077 [116]

In her last test she got a 79%

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3 years ago

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