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2 years ago

Kardal did a study to determine the correlation between men’s heights, x, and their shoe sizes, y, and found the following data:

Mathematics

2 answers:

joja [24]2 years ago

8 0

Answer:

First and Second option

Step-by-step explanation:

The prediction is reasonable

No data is given in the scatterplot for a height of 80 inches, but a shoe size can still be predicted

Are the correct answers

Igoryamba2 years ago

8 0

Answer:

first and third option:)

Step-by-step explanation:

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-2x2 - x + 7 +x2 +4x-5

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Answer:

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Step-by-step explanation:

-x^2 + 3x + 2

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3 years ago

A figure is composed of a semicircle and a right triangle. Determine the area of the shaded region. Use 3.14 for π and round to

Aliun [14]

Answer:

$A=9.5\ ft^2$

Step-by-step explanation:

we know that

The area of the shaded region is equal to the area of triangle plus the area of semicircle

$A=\frac{1}{2}bh+\frac{1}{2}\pi r^{2}$

we have

$b=4\ ft$

Find the height of the right triangle applying the Pythagorean Theorem

$5^2=h^2+4^2$

$h^2=9\\h=3\ ft$

The radius of the semicircle is half the height of triangle

$r=3/2=1.5\ ft$

substitute in the formula

$A=\frac{1}{2}(4)(3)+\frac{1}{2}(3.14)(1.5)^{2}$

$A=6+3.5=9.5\ ft^2$

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3 years ago

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lara31 [8.8K]

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2 years ago

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3 years ago

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Leni [432]

Answer:

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Step-by-step explanation:

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3 years ago

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