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marshall27 [118]
3 years ago
10

What is the smallest angle of rotational symmetry that maps a regular pentagon onto itself?

Mathematics
2 answers:
lions [1.4K]3 years ago
8 0

Answer:

idk

Step-by-step explanation:

Yuri [45]3 years ago
4 0

Answer:

72°

Step-by-step explanation:

done the topic

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Referring to triangle ABC, find the area of the triangle.
ExtremeBDS [4]

Answer: area of triangle = 13.4 ft  ( after rounding the answer to 3 significance figures)

Step-by-step explanation:

formula for the area of triangle

= S + S + S

= 4.34 + 3.78 + 5.27

= 13.9 ft

= 13.4 ( after rounding off to three significant figures )

           

5 0
3 years ago
-2(3 + c) = 16<br> what is the value of c is a solution to the equation
lana [24]

Answer:

-11

Step-by-step explanation:

Simplify

4 0
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Yolanda’s sunflower plant was 64.34 centimeters tall in July. During August, the plant grew 58.7
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Solve 0.7(5x+15)=2.9-(x+3)
Anni [7]
0.7(5x+15)=2.9 -(x+3)
3.5x+10.5=2.9-x-3
3.5x+10.5= -0.1- x
4.5x= -10.6
x= -2.3555...

Check:
0.7(5(-2.3555...) +15) = 2.9 -(x+3)
2.2555... = 2.2555...
6 0
3 years ago
Is 6.34 repeating a rational or irrational number?
Alchen [17]

Step-by-step explanation:

i think that is a irational number

5 0
3 years ago
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