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lys-0071 [83]
3 years ago
6

Given a dilation with the origin O (0, 0), by observation determine the scale factor "K." DO, K = (5, 0) (10, 0) The dilation an

expansion.
Mathematics
1 answer:
Julli [10]3 years ago
5 0
A dilation is a transformation D_{o,\, k}, with center O and a scale factor of k that is not zero, that maps O to itself and any other point P to P'. The center O is a fixed point, P' is the image of P, points O, P and P' are on the same line.

In a dilation of D_{o,\, k} the scale factor, k is mapping the original figure to the image in such a way that the distances from O to the vertices of the image are k times the distances from O to the original figure. Also the size of the image are k times the size of the original figure.

Thus for a  dilation using the rule D_{o,\ k}=(5,\, 0)\rightarrow (10,\, 0) results in the distance of the image form O being twice the distance of the original point from O.

Therefore, it can be observed that the scale factor of the dilation, k, is 2.
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andreyandreev [35.5K]

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Write in standard form (×+4)(×-5)=4 find the value of a,b,c​
Alex17521 [72]

Answer:

x^{2} - x - 24 = 0

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(x + 4)(x - 5) = 4

x(x - 5) = x^{2} - 5x

4(x - 5) = 4x - 20

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4 0
3 years ago
A book sold 41,900 copies in its first month of release. Suppose this represents 8.1% of copies sold to date. How many copies ha
babymother [125]

517284 books have been sold to date.

Step-by-step explanation:

Given,

Copies sold in first month = 41900

This represents 8.1% of copies sold to date.

Let,

x be the number of copies that have been sold to date.

8.1% of x = 41900

\frac{8.1}{100}*x=41900\\0.081x=41900\\

Dividing both sides by 0.081

\frac{0.081x}{0.081}=\frac{41900}{0.081}\\x=517283.95

Rounding off to nearest whole number

x = 517284

517284 books have been sold to date.

Keywords: percentage, division

Learn more about division at:

  • brainly.com/question/8540796
  • brainly.com/question/8618791

#LearnwithBrainly

3 0
3 years ago
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