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Daniel [21]
3 years ago
11

Please Help Me With This!!!!

Mathematics
1 answer:
Allushta [10]3 years ago
5 0
An algebraic expression for this would be c(t)=0.25t+0.75.

c(t) = total cost
t = number of minutes

Please mark this answer as the Brainliest! Thank you :)
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WXY is a right triangle. <br><br> A. True. <br> B. False.
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Answer:

B. False


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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