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RUDIKE [14]
2 years ago
11

3x^2-x=4 please help​

Mathematics
1 answer:
sdas [7]2 years ago
3 0

Answer:

x=1 4/3

Step-by-step explanation:

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Find the missing variables pythagorean theorem
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y = 12     x = 12√2     z  = 12√3

Step-by-step explanation:

The 45° triangle will also have a height of y so....

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The 30°  triangle

    y² + z² = 24²                          y² = 24² - z²          y = √(24² - z²)

                               

sin 30 = y/24          1/2 = y/24      y = 12    

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      y² + z² = 24²

           z² = 24² - y²

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                =  √(16·9·3)

            z  =  4·3√3

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    12² + (12√3)² = 24²

    144 + 144·3    =   576

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     2(12)²  = x²

      288  =  (12√2)  = 144·2  = 288

5 0
3 years ago
Question 3-17 i really stink at math :( it just doesnt make sense to me. alsi im failing. plz help
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graph is a sad face, therefore a is negative. so 1 and 3 are out. the c is the y intercept, and the y intercept is at tye positve side. so 4 is the correct one.

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