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Korvikt [17]
4 years ago
12

( 2-Part Question.)

Mathematics
2 answers:
swat324 years ago
8 0
3x=40.20.... Each book costed $13.40
lys-0071 [83]4 years ago
7 0
B= $40.20/3
The cost of one book is $13.40
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<img src="https://tex.z-dn.net/?f=%20-%20y%20%3D%20%5Cfrac%7B2%7D%7B5%7Dx%20-%203" id="TexFormula1" title=" - y = \frac{2}{5}x -
raketka [301]
The first step to solving this equation is to change the signs on both sides of the equation
y = -\frac{2}{5}x + 3
Since we don't know what x is but we do know why y is,, we will write our answer with the answer to y and x being left as undefined.
y = -\frac{2}{5}x + 3, x ∈ R
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2. You simplified parenthesis on both sides

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Answer:

Figure 1

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Congruent shapes are shapes that share the same side lengths and angle measures. In figure 1, we see that all sides and angles are marked equal, thus both shapes are congruent. However, in figure 2, we clearly see that the sides of each of the triangles are different. Thus, the triangles in figure 2 are not congruent.

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