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4 years ago

I think it's reflection but i'm not so sure..

Mathematics

2 answers:

Degger [83]4 years ago

8 0

You are right, it's a reflection and the axis of this reflection is the perpendicular bisector of CC'

ch4aika [34]4 years ago

8 0

This is, indeed, reflection because the figure is mirrored across an imaginary line. Although a 180° rotation would make the same shape, the "B" and "A" would be swapped. It is not a dilation because this is the process in which a shape grows or shrinks. Finally, it is not a translation because the figure was not simply moved.

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n music, a quaver is one-eighth of a semibreve (whole note). What fraction of a semibreve is a hemidemisemiquaver? (Hint: hemi-,

Dmitry [639]

Answer:

$\dfrac{1}{64}$

Step-by-step explanation:

Hemi-, demi- and semi- are prefixes which mean half.

When applied to musical notation, each time a prefix is added it means the note's value is halved.

Therefore, if a quaver is one-eighth of a semibreve, then a semiquaver is half of a quaver, which means it's one-sixteenth of a semibreve.

$\large \begin{aligned}\sf quaver & = \sf\dfrac{1}{8}\:of\:a\:semibreve\\\\\implies \sf hemisemidemiquaver & = \sf \dfrac{1}{2} \times \dfrac{1}{2} \times \dfrac{1}{2} \times quaver\\\\& = \sf \dfrac{1}{2} \times \dfrac{1}{2} \times \dfrac{1}{2} \times \dfrac{1}{8}\\\\& = \sf \dfrac{1}{64}\:of\:a\:semibreve\end{aligned}$

Therefore, a hemisemidemiquaver is one-sixty-fourth of a semibreve.

5 0

2 years ago

(x3 + x4– 3x5– 8) + (-9x5 + x2)

Eduardwww [97]

Answer:

The answer is 9x-68 :)

Step-by-step explanation:

7 0

3 years ago

can you please create real life problems using derivatives like rate of change and increasing , decreasing functions thanks

irina [24]

Answer:

To calculate the profit and loss in business using graphs, help you predict fluctuations on the stock market, check temperature variation...

I really hope this helps you!

5 0

3 years ago

Can anyone help please

nydimaria [60]

Answer:

The anwser is B

Step-by-step explanation:

yes, because you need to convert the repeating number into a decimal. In this case, you can assume that x is the fraction form of 0.7 repeating.

3 0

3 years ago

What is the axis of symmetry for f(x) = -3x^2+12x-6

il63 [147K]

-3x^2 + 12x -6
a = -3
b = 12
We calculate the vertex "x" value with this formula:
(vertex "x value") = -b / (2*a)
(vertex "x value") = -12 / -6
The vertex "x" value equals the axis of symmetry value.
The axis of symmetry is at x = 2.

Source:
http://www.1728.org/quadr3.htm

6 0

3 years ago