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Greeley [361]
3 years ago
7

Which of the following expressions is equivalent to (12x4−4x3+7x+6)+(3x2−4x+14)?

Mathematics
1 answer:
katovenus [111]3 years ago
3 0

Answer:

It believe its C

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

According to pythagorean theorem, for this to be a right triangle, the sum of  square of the length of the two legs must equal square of the length of the hypotenuse (longest side).

So  (\sqrt{34} )^{2}  should equal  (\sqrt{18} )^{2}+(\sqrt{18} )^{2}

  • <em>We also know that  (\sqrt{a} )^{2}=(\sqrt{a})(\sqrt{a})=a</em>

Hence,  (\sqrt{18} )^{2}+(\sqrt{18} )^{2}=18+18=36  , and

(\sqrt{34} )^{2}=34

They ARE NOT EQUAL, so the triangle is NOT a right triangle.

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