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labwork [276]
3 years ago
15

K' (-2.5, -0.5) is the imagine of P after a dilation centered at the origin with a scale factor of 1/4. What are the coordinates

of K?
Mathematics
1 answer:
user100 [1]3 years ago
5 0

Answer:

K (- 10, - 2 )

Step-by-step explanation:

To obtain the original coordinates multiply by the reciprocal of \frac{1}{4}

That is multiply the image coordinates by 4

K' (- 2.5, - 0.5 ) → K (-2.5(4), (- 0.5(4) ) → K (- 10, - 2 )

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Answer:

y = -\frac53x + 20

Step-by-step explanation:

Hello!

A line that is perpendicular to another has an opposite-reciprocal slope.

Meaning:

  • Flip the sign (+/-)
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The slope perpendicular to 3/5 would be -5/3.

We can solve for the y-intercept by plugging in the x and y values given from the coordinate into the equation with out new slope.

<h3 /><h3>Solve for B</h3>
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The equation is y = -\frac53x + 20

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Answer:

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Step-by-step explanation:

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Count of T's in attention = 3

P(choosing T) = 3 / 9 = 1/3

P(greater than 4, then T) = 4/5 * 1/3 = 4 /15

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