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katrin2010 [14]
3 years ago
13

6. Triangle ABC is rotated 90 degrees counterclockwise and then translated 3 units up to form

Mathematics
1 answer:
joja [24]3 years ago
7 0

Given:

Consider triangle ABC is rotated 90 degrees counterclockwise and then translated 3 units up to form triangle A'B'C'.

To find:

The transformation that can be used to map each point (x,y) on Triangle ABC to its corresponding point on Triangle A'B'C'.

Solution:

If a figure rotated 90 degrees counterclockwise, then

(x,y)\to (-y,x)

P(x,y)\to P_1(-y,x)

If a figure translated 3 units up, then

(x,y)\to (x,y+3)

P_1(-y,x)\to P'(-y,x+3)

If  triangle ABC is rotated 90 degrees counterclockwise and then translated 3 units up to form triangle A'B'C', then the rule of transformation is

(x,y)\to (-y,x+3)

Therefore, the required rule of transformation is (x,y)\to (-y,x+3).

Note: Option are not in proper form.

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In 1998, Cathy's age is equal to the sum of the four digits in the year of her birthday, then how old was Cathy in 1998?
ycow [4]

Answer:

<em>Cathy was born in 1980 and she was 18 years old in 1998</em>

Step-by-step explanation:

<u>Equations</u>

This is a special type of equations where all the unknowns must be integers and limited to a range [0,9] because they are the digits of a number.

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1998=1001+909+11c+2d

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Thus, Cathy was born in 1980 and she was 18 years old in 1998. Note that 1+9+8+0=18

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3 years ago
Laine reads 25 pages in 30 minutes. If she reads 200 pages at the same rate how long will it take her?
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Thus, the answer is 4 hours

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vovangra [49]

Answer:

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Step-by-step explanation:

just add 72 and 25 dude

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2 years ago
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