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lidiya [134]
3 years ago
8

Chang knows one side of a triangle is 13 cm. Which set of two sides is possible for the lengths of the other two sides of th

Mathematics
2 answers:
deff fn [24]3 years ago
8 0

Answer:

(D) 8cm and 9cm

Step-by-step explanation:

Keith_Richards [23]3 years ago
7 0

Answer:

8 cm and 9 cm

Step-by-step explanation:

The other two sides added together have to equal a larger number than 13, since 13 is the largest side.

5 + 8 = 13

6 + 7 = 13

7 + 2 = 9

8 + 9 = 17

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Which inequality is equivalent to -6x
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Step-by-step explanation:

How to simplify

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30 divided by -6 is -5, so x=-5.

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Can the sides of a triangle be in the given ratio? 3:4:5
RUDIKE [14]

Answer:

Yes

Step-by-step explanation:

In order to determine if a triple of values will form a triangle, we must apply the Triangle Inequality Theorem, which states that for a triangle with lengths a, b, and c:

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With loss of generality, set a = 3x, b = 4x, and c = 5x. Plug these into the Triangle Inequality to check:

a + b > c  ⇒  3x + 4x  >?  5x  ⇒  7x > 5x  ⇒  This is true

a + c > b  ⇒  3x + 5x  >?  4x  ⇒  8x > 4x  ⇒  This is also true

b + c > a  ⇒  4x + 5x  >?  3x  ⇒  9x > 3x  ⇒  This is true

Since all three conditions are satisfied, we know that a true triangle can be formed given that the ratio of their sides is 3 : 4 : 5.

<em>~ an aesthetics lover</em>

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Answer:

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Step-by-step explanation:

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