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Mkey [24]
3 years ago
13

How do I do this? Im stuck on what to do

Mathematics
1 answer:
Nastasia [14]3 years ago
6 0
CD and DE are equal distance so their equations are equal:
2x+7 = 4(x-3)
2x+7 = 4x-12
Subtract 2x from both sides
7 = 2x-12
Add 12 to both sides
19 = 2x
9.5 = x
Now that u have x just plug it into the equation for DE
4(9.5-3)
38-12
26 is the answer
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Step-by-step explanation:

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Base of triangle = 8

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Area of triangle = (0.5) × 8 × 15 = 60

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Where h = height

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