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irinina [24]
2 years ago
10

Find the area of the figure.

Mathematics
2 answers:
alukav5142 [94]2 years ago
4 0

Answer: Area of the figure = 24

Concept:

Here, we need to know how to find the area of a triangle.

Area (triangle) = (1/2) · b · h

b = base

h = height

Solve:

<u>Given coordinates on the graph </u>

A (-5, 5)

B (-5. -3)

C (1, -3)

<u>To find the value of the height, we need to know the value of a vertical line, meaning the [x] value of the points on the line is equal. As we can see from the given coordinates, point A and point B has the same [x] value. The value of the height equals the difference between A and B's [y] value</u>

A (-5, 5)

B (-5, -3)

5 - (-3) = 5 + 3 = 8

<u>To find the value of the base, we need to know the value of a horizontal line, meaning the [y] value of the points on the line is equal. As we can see from the given coordinates, point B and point C has the same [y] value. The value of the base equals the difference between B and C's [x] value</u>

B (-5, -3)

C (1, -3)

1 - (-5) = 1 + 5 = 6

<u>Given expression</u>

A = (1/2) · b · h

<u>Substitute values into the expression</u>

A = (1/2) · (6) · (8)

<u>Simplify by multiplication</u>

A = (1/2) · (48)

\boxed{A =24}

Hope this helps!! :)

Please let me know if you have any questions

Sergio039 [100]2 years ago
3 0

Answer:

24 units^2

Step-by-step explanation:

bc=6

ab=8

area of a triangle: b*l/2

6*8/2=24

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Step-by-step explanation:

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where, \bar X = average rent paid by 314 BYU students = $346

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So, 96% confidence interval for the population mean monthly rent, \mu is ;

P(-2.082 < t_3_1_3 < 2.082) = 0.96

P(-2.082 < \frac{\bar X - \mu}{\frac{s}{\sqrt{n} } } < 2.082) = 0.96

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P( \bar X -2.082 \times {\frac{s}{\sqrt{n} } } < \mu < \bar X +2.082 \times {\frac{s}{\sqrt{n} } } ) = 0.96

96% confidence interval for \mu = [ \bar X -2.082 \times {\frac{s}{\sqrt{n} } } , \bar X +2.082 \times {\frac{s}{\sqrt{n} } } ]

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Therefore, 96% confidence interval estimate for the mean monthly rent of all unmarried BYU students in winter 2018 is [335.89 , 356.10].

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