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DENIUS [597]
3 years ago
13

How many triangles exist with the given side lengths? 3 cm, 5 cm, 9 cm A. Exactly one unique triangle exists with the given side

lengths. B. More than one unique triangle exists with the given side lengths. C. No triangle exists with the given side lengths.
Mathematics
2 answers:
sattari [20]3 years ago
6 0

Answer:c is the correct ans

Step-by-step explanation:

Feel pleasure to help u

Fudgin [204]3 years ago
4 0

Answer:

B-. More than one unique triangle exists with the given side lengths.

Step-by-step explanation:

according to to tringle inequality theorem he sum of the length of two sides of a triangle should be greater than the third side”. In order to verify the mentioned theorem, some cal. are preforemed below

12+15>18

15+18>12

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pochemuha

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Yo yo

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4 years ago
The perimeter of a rectangle is 42 inches. If the length of the rectangle is 14 inches, which equation could be used to find the
Sever21 [200]
A. 2(x+14) = 42

(2x = 14
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2(7) + 2(14) = 14 + 28 = 42)

7 0
3 years ago
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I thought of a number, added 3 2/7 to it, then I multiplied the result by 1 1/2 , and got
horsena [70]

Answer:

\frac{25}{21}

Step-by-step explanation:

First let's convert the mixed numbers into improper fractions.

3\frac{2}{7}=\frac{23}{7}

1\frac{1}{2}=\frac{3}{2}

6\frac{5}{7}=\frac{47}{7}

Let the number be n, so we can write an equation from the word problem as:

(n+\frac{23}{7})*\frac{3}{2}=\frac{47}{7}

Now, we do algebra and solve for n:

(n+\frac{23}{7})*\frac{3}{2}=\frac{47}{7}\\\frac{3}{2}n+\frac{69}{14}=\frac{47}{7}\\\frac{3}{2}n=\frac{47}{7}-\frac{69}{14}\\\frac{3}{2}n=\frac{25}{14}\\n=\frac{\frac{25}{14}}{\frac{3}{2}}\\n=\frac{25}{14}*\frac{2}{3}\\n=\frac{50}{42}\\n=\frac{25}{21}

hence the number is 25/21

5 0
4 years ago
Identify all of the following solutions of square root of x minus 8 end root plus 8 equals x.
Anit [1.1K]
\sqrt{x-8} +8=x \\  \sqrt{x-8} =x-8 \\  {( \sqrt{x-8} )}^{2} = {(x-8)}^{2}  \\ x-8= x^{2} -16x+64 \\  x^{2} -16x-x+64+8=0 \\  x^{2} -17x+72=0

(x-8)(x-9)=0 \\ x-8=0 \ and \ x-9=0 \\ x=8 \ and \ x=9
4 0
3 years ago
Read 2 more answers
A formula for the perimeter of a rectangle is P=2(l+w), where P is the perimeter, l is the length, and w is the width.
NNADVOKAT [17]
1408 because you need to multiply it to get the perimeter
7 0
3 years ago
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