2 years ago

18 is ______percent of 40

Mathematics

1 answer:

user100 [1]2 years ago

3 0

Answer:

18 is 45% of 40

Step-by-step explanation:

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2 years ago

WXY is a right triangle. A. True. 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 $(\sqrt{18} )^{2}+(\sqrt{18} )^{2}$

We also know that $(\sqrt{a} )^{2}=(\sqrt{a})(\sqrt{a})=a$

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

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

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Step-by-step explanation:

the other possible sides add up to more than 13, therefore it cannot be possible to make a triangle with them. Triangle Inequality Theorem.

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Because 17 times 32 equals 224

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