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nexus9112 [7]
3 years ago
12

The lengths of three sides of a triangle are 2x, 3x-4, and x+4. Find a value of x that makes the triangle equilateral

Mathematics
1 answer:
Furkat [3]3 years ago
4 0
Espero que no me jusgas por esto que estoy escribiendo
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Help! Math Homework.
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To solve problem 1 what you need to do is figure out how many miles the girls have walked so far and then subtract that from the total distance they must complete.

3/4-(3/10+1/4)

Step 1:Change the denominators so that way they are all the same

3/4=15/20
3/10=6/20              15/20-(6/20+5/20)
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Step 2: Begin solving the problem

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Step 3: Simplify your answer

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Step 4 (is optional): Write your answer in a complete statement

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3 years ago
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Solve for x by completing the square: x2 - 12x + 11 = 0
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Answer:

B

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x² - 12x + 11 = 0 ( subtract 11 from both sides )

x² - 12x = - 11

To complete the square

add ( half the coefficient of the x- term )² to both sides

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x = 6 ± 5

Then

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