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Neporo4naja [7]
2 years ago
14

Math question pls help asap thxxuquestion is in pic​

Mathematics
1 answer:
olganol [36]2 years ago
5 0

Step-by-step explanation:

you use a cah method which mean to get the angle you divide the adjacent length by hypotenuse and then find the CAH inverse using your calculator to get the angle

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The regular nonagon has rotational symmetry of which angle measures? Check all that apply.
11111nata11111 [884]
Consider the center of the nonagon. If we join the center to all the vertices, the central angle of 360°, is divided into 9 equal angles, each with a measure of:

360°/9=40°

So to a nonagon rotated 40°, clockwise or counterclockwise, is indistinguishable from the original one. 

similarly if we rotate 80 ° c.wise or c.c.wise 

in general, a nonagon has a rotational symmetry of 40°n,

where n∈{...-3, -2, -1, 0, 1, 2, 3}...

where 40°n, for n negative, means we are rotating clockwise.


Answer: any angle which is a multiple of 40°

8 0
3 years ago
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PLSSS? i dont really get it<br> Thanks
solmaris [256]

Answer:

A) 83 km/ hour

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Step-by-step explanation:

A)

For this question they are asking for the distance traveled in 1 hour.

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B)

You have to find the number of penalties per game

Like before divide 10 by 35:

10 ÷ 35 = 10/35 = 2/7

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C)

Find the cost of 1 CD :

64 / 4 = 16

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D)

Find the amount of donuts per box:

72/8 = 9

9 donuts per box

-Chetan K

3 0
2 years ago
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Bingel [31]

Answer:

i think it d

Step-by-step explanation:

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Answer:

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IrinaVladis [17]

4 hours and about 23-30m

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2 years ago
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