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Sunny_sXe [5.5K]
3 years ago
9

does somebody knows how to do this one?

Mathematics
1 answer:
coldgirl [10]3 years ago
6 0

Answer:

area = 147 sq. cm

Step-by-step explanation:

area of rectangle: length times width; since we already have the width (10), we just have to find the length. length= 6+6; 12  equation: 10 x 12 = 120

area of top triangle: 1/2 base times height; base (6), height (5)

0.5(6) x 5;     equation: 3 x 5 = 15

area of bottom triangle: 1/2 base times height; base (6), height (4)

0.5(6) x 4;      equation 3 x 4 = 12

120 + 15 + 12 = 147

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The simplified expressions are 2^-2 and 60^6

<h3>How to simplify the expressions?</h3>

<u>Expression (a)</u>

We have:

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2 years ago
Graphing<br>solve a system of equation by graphing ​
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<h2>Explanation:</h2>

Let's use the following System of Linear Equations in Two Variables in order to solve this exercise:

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So graph a line that passes through these two points. This is the red line shown below.

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y=-4x+7 \\ \\ If \ x=0 \ then \ y=-4(0)+7 \therefore y=7 \\ \\ If \ y=0 \ then \ 0=-4x+7  \therefore x=\frac{7}{4} \\ \\ \\ Points: \\ \\ (0,7) \\ \\ (\frac{7}{4},0)

So graph a line that passes through these two points. This is the blue line shown below.

<em>The solution of this system of equation is the point of intersection, which is (1,3)</em>

<h2>Learn more:</h2>

Parallel lines: brainly.com/question/12169569

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3 years ago
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