2 years ago

What geometric figure has an order of rotational symmetry of 1? (consider each figure a regular polygon)

Mathematics

2 answers:

Nana76 [90]2 years ago

7 0

Answer: Kite

Step-by-step explanation:

allsm [11]2 years ago

5 0

Answer: kite

Step-by-step explanation:

im doing the shi now anna thats wat the answer was so yeah oh n remember rhombus is a kite aka diamond

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Given Sn=2n^2 - 5n, find

brilliants [131]

Answer:

a) -3

b) 117

c) 100

Step-by-step explanation:

(a) 2(1)²-5(1)

1²= 1

2×1= 2

2-5= -3

(b) 2(9)²-5(9)

9²= 81

81×2= 162

162-45= 117

4²=16

16×2= 32

32-20= 12

8²=64

64×2= 128

128-40= 88

88+12= 100

hope it helps!

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2 years ago

Use the GCF and the Distributive Property to express the sum as a product.

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Step-by-step explanation:

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3 years ago

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What does it mean when a researcher states that an observed effect or difference is significant with a confidence level of 99%?

icang [17]

Answer:

it affected more than half

Step-by-step explanation:

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2 years ago

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Combine like terms to create an equivalent expression.<br> -5.8c+4.2-3.1+1.4c−5.8c+4.2−3.1+1.4c

nordsb [41]

Answer:

Step-by-step explanation:

-11.6+8.4-15.5+2.8

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2 years ago

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In 2010, the continent of South America had a population of 395, 280, 204 Which of the following is the closest estimate of this

lesya [120]

Given:

The population of continent of South America in 2010 is 395, 280, 204.

To find:

The closest estimate of this number.

Solution:

We have,

$Population = 395, 280, 204$

The approximate value of this number is

$Population \approx 400, 000, 000$

The scientific form of this value is

$Population = 4\times 10^8$

Therefore, the correct option is C.

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3 years ago