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3 years ago

What is the area of the figure? A. 126 in2 B. 240 in2 C. 282 in2 D. 360 in2

Mathematics

1 answer:

sweet [91]3 years ago

5 0

Divide the figure into 2 rectangles. One being 12in x 13in and one being 18in x 7in. Find the area of each rectangle.
12in x 13in = 156in^2
18in x 7in = 126in^2
Add the two areas.
156 + 126 = 282in^2

282in^2 is the answer so (C)

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In exercises 8-10, write a system of linear equations that has the ordered pair as its solution. (-6, -2)

Anika [276]

Answer:

(8) $x + y = -8$ and $2x - y = -10$

(9) $3x - y = -54$ and $4x + y = -30$

(10) $x + y = 2$ and $x - y = 2$

Step-by-step explanation:

Given [Missing from the question]

$(8).\ (-6,-2)\ \\ (9).\ (-12,18)\ \\ (10).\ (2,0)$

Required

Write a system of linear equations

The solutions to this question is open and have different solutions

Solving (8) (-6,-2)

Let the equations be: x + y and 2x - y

$x + y = -6 - 2$

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$2x - y = -10$ -- (2)

So, the equations are:

$x + y = -8$ and $2x - y = -10$

Solving (9) (-12, 18)

Let the equations be: 3x - y and 4x + y

$3x - y = 3 *(-12) - 18$

$3x - y = -54$

$4x + y = 4 * (-12) + 18$

$4x + y = -30$

So, the equations are:

$3x - y = -54$ and $4x + y = -30$

Solving (9): (2,0)

Let the equations be: x + y and x - y

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