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3 years ago

Jacob says that 4 divided by 1/3 = 12 and 4 divided by 2/3 = 6 whats the reasoning

Mathematics

1 answer:

Citrus2011 [14]3 years ago

5 0

Answer:

Keep flip change as

4/1 / 1/3=4/1 *3/1=12

4/1 / 2/3 = 4/1*3/2= 12/2=6

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3 years ago

What is the answer to -7(7m-4)=77

il63 [147K]

-7(7m-4)=77
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3 years ago

Which of the following descriptions represent the transformation shown in the image? Part 3b

Igoryamba

Answer: d) none of the above

Step-by-step explanation:

Start at Black Triangle: B = (0, -4) C = (4, -1) D = (2, -5)

End up at Red Triangle: B = (2, 0) C = (-2, 3) D = (0, -1)

Rotation of 180°: (x, y) → (-x, -y)

Reflection across y-axis: (x, y) → ( -x, y)

Reflection across x-axis: (x, y) → (x, -y)

Reflection across x=1: (x, y) → (2 - x, y)

$a) \\\begin{array}{ccc}\qquad \text{(x, y)}&\text{Rotate 180}^o&\text{reflect across y-axis}\\B:\ (0, -4)&(0, 4)&(0,4)\\C: (4, -1)&(-4,1)&(4,1)\\D: (2, -5)&(-2,5)&(2,5)\end{array}$

$b) \\\begin{array}{ccc}\qquad \text{(x, y)}&\text{Rotate 180}^o&\text{reflect across x = 1}\\B:\ (0, -4)&(0, 4)&(2,4)\\C: (4, -1)&(-4,1)&(6,1)\\D: (2, -5)&(-2,5)&(4,5)\end{array}$

$c) \\\begin{array}{ccc}\qquad \text{(x, y)}&\text{Rotate 180}^o&\text{reflect across x-axis}\\B:\ (0, -4)&(0, 4)&(0,-4)\\C: (4, -1)&(-4,1)&(-4,-1)\\D: (2, -5)&(-2,5)&(-2,-5)\end{array}$

None of the given options transform the black triangle onto the red triangle.

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3 years ago

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Lisa [10]

Answer:

hmmmm if theres choices its B

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