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3 years ago

I'm doing some maths homework and need some help. It's Pythagorean

Mathematics

2 answers:

VikaD [51]3 years ago

8 0

Answer:

Step-by-step explanation:

Rainbow [258]3 years ago

6 0

What is the question? Pythagorean is not too hard. a^2 + b^2 = c^2

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1/8+c=4/5 Solve for C. I need help fast.

Alex777 [14]

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3 years ago

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krek1111 [17]

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3 years ago

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vodomira [7]

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3 years ago

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Can someone please answer all the questions with explanations?

aalyn [17]

Answer:

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3 years ago

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Please help me Show your work

GrogVix [38]

ANSWER TO PART A

The given triangle has vertices $J(-4,1), K(-4,-2),L(-3,-1)$

The mapping for rotation through $90\degree$ counterclockwise has the mapping

$(x,y)\rightarrow (-y,x)$

Therefore

$J(-4,1)\rightarrow J'(-1,-4)$

$K(-4,-2)\rightarrow K'(2,-4)$

$L(-3,-1)\rightarrow L'(1,-3)$

We plot all this point and connect them with straight lines.

ANSWER TO PART B

For a reflection across the y-axis we negate the x coordinates.

The mapping is

$(x,y)\rightarrow (-x,y)$

Therefore

$J(-4,1)\rightarrow J''(4,1)$

$K(-4,-2)\rightarrow K''(4,-2)$

$L(-3,-1)\rightarrow L''(3,-1)$

We plot all this point and connect them with straight lines.

See graph in attachment

7 0

3 years ago