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saveliy_v [14]
3 years ago
8

Which of the following does not have triangular faces?

Mathematics
2 answers:
svp [43]3 years ago
5 0

Answer:

Step-by-step explanation:

Answer "A"

Dodecahedron

Alika [10]3 years ago
5 0

Answer:

Hexahedron is the right answer

Step-by-step explanation:

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Positive angles located in the fourth quadrant may be described as___.
gladu [14]

Answer:

Positive angles located in the fourth quadrant may be described as<u> 270≤Ф≤360 .</u>

The option is

4. 270≤Ф≤360

Step-by-step explanation:

When the terminal arm of an angle starts from the x-axis in the anticlockwise direction then the angles are always positive angles.

For Example.

Quadrant I    - 0 to 90°

Quadrant II   - 90° to 180°

Quadrant III  - 180° to 270°

Quadrant IV - 270° to 360° ( 4. 270≤Ф≤360  )

Hence,Positive angles located in the fourth quadrant may be described as<u> 270≤Ф≤360 .</u>

When the terminal arm of an angle starts from the x-axis in the clockwise direction than the angles are negative angles.

Quadrant IV  -          0° to -90°

Quadrant III   -      - 90° to -180°

Quadrant II    -      -180° to -270°

Quadrant I     -      -270° to -360°

5 0
3 years ago
What is m &lt; 8 if m &lt; 4 = 50° ? <br> A) 50°<br> B) 180° <br> C) 70°<br> D) 40°
icang [17]

Answer:


Step-by-step explanation:


7 0
3 years ago
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Answer:

c reflexive property

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3 0
3 years ago
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If a card is drawn from a normal deck of cards, what is the probability that the card will be an ace?
Alenkinab [10]
 out of every 13 will most likely be an ace.

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3 years ago
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Axis of symmetry for f(x) = -2x2 + 20x -42
Ksenya-84 [330]
For the function f(x)=2x^2 +20x-42

We can use the formula for the axis of symetry, which is x= \frac{-b}{2a}

With the values substituted, we get...

\frac{-20}{2(-2)} =5

Therefore the axis of symmetry is x=5 
8 0
3 years ago
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