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Olegator [25]
2 years ago
7

Which of these is not a Pythagorean triple

Mathematics
1 answer:
andreyandreev [35.5K]2 years ago
3 0

Answer:

  A. 1,2,3

Step-by-step explanation:

The only Pythagorean triple that is an arithmetic sequence is 3, 4, 5 and its multiples.

__

The triple 1, 2, 3 is not a Pythagorean triple. (It doesn't even form a triangle.)

_____

If you don't recognize the offered choices as being among the Pythagorean triples you have memorized, you can always check to see if ...

  a² +b² = c²

  1² +2² = 1 +4 = 5 ≠ 3² . . . . . (1, 2, 3) is not a Pythagorean triple

  3² +4² = 9 +16 = 25 = 5²

  5² +12² = 25 +144 = 169 = 13²

  7² +24² = 49 +576 = 625 = 25²

__

A couple of other triples commonly seen are ...

  (8, 15, 17), (9, 40, 41)

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Answer:

9.99

Step-by-step explanation:

(33.96/4)+1.5

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3 years ago
3. What is an equation of the line through (4, 2)
Thepotemich [5.8K]
The answer is c.......
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3 years ago
Use the grouping method to factor x3 + x2 + 2x + 2.
NISA [10]
Therefore the answer is D. (x + 1)(x2 + 2)

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Read 2 more answers
In circle o, the length of radius OL is 6 cm and the length
AlekseyPX

Answer:

14.2cm

Step-by-step explanation:

The diagram representing the circle and its attributes has been attached to this response.

<em>As shown in the diagram;</em>

The circle is centered at o,

The length of radius OL = 6cm

The length of the arc LM = 6.3cm

The angle MON = 75°

The angle LOM = θ

<em>Remember that;</em>

The length, L, of an arc is given by;

L = (θ / 360) x (2πr)         -------------(i)

Where;

θ is the angle subtended by the arc

r = radius of the circle.

Using the formula in equation (i), let's calculate the angle θ subtended by arc LM as follows;

L = (θ / 360) x (2πr)  

Where;

L = length of arc LM = 6.3cm

r = radius of the circle = length of radius OL = 6cm

<em>Substitute these values into the equation to get;</em>

6.3 = (θ / 360) x (2 x π x 6)

6.3 = (θ / 360) x (12 x π)

6.3 = (θ / 30) x (π)              [Take π = 22/7]

6.3 = (θ / 30) x (22 / 7)

θ = \frac{6.3*30*7}{22}

θ = 60.14°

Therefore, the angle subtended by arc LM is 60.14°

Now, from the diagram,

The angle subtended by arc LMN is;

θ + 75° = 60.14° + 75° =  135.14°

Let's now calculate the length of arc LMN using the same equation (i)

L = (θ / 360) x (2πr)  

Where;

L = length of arc LMN

θ = angle subtended by LMN = 135.14°

r = radius of the circle = length of radius OL = 6cm

<em>Substitute these values into the equation;</em>

L = (135.14° / 360°) x (2 x π x 6)             [Take π = 22/7]

L = 14.15cm

Therefore, the length of arc LMN is 14.2cm to the nearest tenth.

6 0
3 years ago
Please give an explanation as well as an answer :)
STatiana [176]

Answer: It is 10 because there are 2 other faces and 8+2=10

Step-by-step explanation:

3 0
3 years ago
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