-3(4x + 3) +4(6x + 1)= 43 Step by step solution Need help ASAP PLEASE!!
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Answers:
A. B 1/3 represents the area of triangle B
B. Triangle B area = 21/2 m² or 10 1/2 m² or 10.5 m²
Step-by-step explanation:
<em>Ok, we have two triangles measured in square meters (m²)</em>
∆ a = 1/3 b and ∆ b = 3 1/2
<em>Since these two areas have something in common (symbol a) we can consider they are almost the same, so we put them like this:</em>
∆ a => <u>1/3 b = 3 1/2</u> <= ∆ b
<em>Now that we know we can move some values. first we are gonna multiply the mixed fraction (3 1/2) to make it a regular fraction. As 3 is a whole, we can also write it on the following way:</em>
<em>We add these fractions:</em>
<em>The equation with this part solved is:</em>
<em>Since the </em><em>1/3 </em><em>is multiplying, it goes to the other side dividing the number on the right:</em>
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<em>And then, we can solve the rest by inverting the second fraction () and multiplying it by the first one:</em>
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<em>And that's it. Let me know if you have any doubts :D</em>