2 years ago

Is a snowflake rotational symmetry or refelctional symmetry or both or neither

Mathematics

2 answers:

motikmotik2 years ago

5 0

Answer:

reflectional

Step-by-step explanation:

liq [111]2 years ago

5 0

It’s reflection because of all the sides

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3 years ago

Find the magnitude and direction in degrees of the vector v=6i+2 seq31

masha68 [24]

Answer:

Please check the explanation.

Step-by-step explanation:

Given the vector

v = 6i + 2√3j

The Magnitude of a vector:

$\mathrm{Computing\:the\:Euclidean\:Length\:of\:a\:vector}:\quad \left|\left(x_1\:,\:\:\ldots \:,\:\:x_n\right)\right|=\sqrt{\sum _{i=1}^n\left|x_i\right|^2}$

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$=\sqrt{36+12}$

$=\sqrt{48}$

$\mathrm{Apply\:radical\:rule}:\quad \sqrt[n]{ab}=\sqrt[n]{a}\sqrt[n]{b}$

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$=4\sqrt{3}$

The Direction of a vector:

tan Ф = y/x

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x = 6

tan Ф = y/x

= 2√3 / 6

= √3 / 3

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2 years ago

Dedi had a combination lock.To open the lock he started at 37.He made 3 half turns clockwise and 3 quarter turns anticlockwise

Lerok [7]

Turning clockwise means the number increase, and counterclockwise means the number decreases

Therefore your answer is 37 + (3*1/2)-(3*1/4)

= 37.75

Hope this helped :)

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1 year ago