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olasank [31]
3 years ago
14

How many edges does a 3D pentagon have

Mathematics
1 answer:
lara31 [8.8K]3 years ago
5 0

Answer:

15 edges and 7 faces and 10 vertices

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The graph shows the dilation of quadrilateral MNOP with the origin as its center. Which rule describes this transformation?
lana66690 [7]

Answer:

D) (x, y) → (1/3x , 1/3 y)

Step-by-step explanation:

A dilation is a change of size, if the dilation factor is greater than 1, then the figure is enlarged.  If the dilation factor is smaller than 1, the figure is shrinked.  In both cases, the coordinates are MULTIPLIED by the dilation factor.

Among the 4 choices, only 2 are dilations.  One is with a dilation factor of 3 (A), which means the shape was enlarged.  And the other is with  dilation factor of 1/3, meaning the shape was shrinked.

Since we went from MNOP (LARGE one) to M'N'O'P' (small one), the dilation factor was < 1... so 1/3 is the answer.

Answers B and  C show a translation/movement of the shape, not a dilation.

8 0
3 years ago
Carly spend 10 hours a day working at her job what percentage of her day does she spend at work ?
AlladinOne [14]
10/24 x 100 = 41.66
Approximately 42% of her day
3 0
3 years ago
Read 2 more answers
Help me out please! Any unrelated answers will be reported, so don't try :)
timama [110]

Try doing A, 2/3 Hopefully it helps you, I'm not good with fractions.

8 0
3 years ago
Read 2 more answers
Porfavor ayúdame es para hoy ​
konstantin123 [22]
Answer: 25cm


Es asi: 5cm x 5cm^2
3 0
3 years ago
What is the answer to this in cm
jasenka [17]
The hardest part is finding the length of the curve at the top. To find arc length, multiply the circumference by the arc angle divided by full angle (360°) in a circle. Or:
s = (2\pi  r)( \frac{x}{360})
x, the arc angle in a semicircle, is 180°.
r, the radius is 7/2 = 3.5.
Now just plug the numbers in and solve for arc length, s.

s = 2π(3.5)(1/2) ≈ 11.00

Now just add up all the sides. 11cm + 10cm + 10cm + 7cm = 38 cm.
5 0
3 years ago
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