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Eduardwww [97]
3 years ago
14

Very confused on how to get the inside variables

Mathematics
1 answer:
Papessa [141]3 years ago
3 0
Yes bsbsjwjwjsbshsueu
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Use complete sentences to describe the relationship that is determined by the Pythagorean theorem.
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The hypotenus square is equivalent to the sum of the square of base and perpendicular.
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6 added to a number n
Salsk061 [2.6K]

Answer:

That is 6 + n

Step-by-step explanation:

6 is added to an unknown number

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3 years ago
Polygons ABDC and A′B′D′C′ are shown on the following coordinate grid:
weeeeeb [17]

Answer: A

Step-by-step explanation:

Let's first review how turning about the origin changes a point's coordinates:

After rotating and translating some points, one can see the following pattern:

  • 180° Rotation: (x,y) -> (-x,-y)
  • 90° Clockwise Rotation: (x,y) -> (y, -x)
  • 90° Counter-clockwise Rotation: (x,y) -> (-y, x)
  • Translation <em>a</em> units to the left: (x, y) -> (x-a, y)

Using these patterns will make it much easier to find the correct series of transformations than graphing each one.

A: A 90-degree counterclockwise rotation about the origin followed by a translation 1 unit to the left

Using the patterns found above, this set of transformations would make (x,y) move first to (-y, x), then (-y-1, x).

  • A(2,-2) -> A'(1,2)
  • B(4,-2) -> B'(1,4)
  • D(5,-3) -> D'(2,5)
  • C(1,-3) -> C'(2,1)

B: A translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin

This would make (x,y) move first to (x-1,y), then to (-y, x-1)

  • A(2,-2) -> A'(2, 1)
  • B(4,-2) -> B'(2,3)
  • D(5,-3) -> D'(3,4)
  • C(1,-3) -> C'(3,0)

C: A 270-degree counterclockwise rotation about the origin followed by a translation 1 unit to the left

This would make (x,y) move first to (y, -x), then (y-1, -x)

  • A(2,-2) -> A'(-3, -2)
  • B(4,-2) -> B'(-3,-4)
  • D(5,-3) -> D'(-4, -5)
  • C(1,-3) -> C'(-4, -1)

D: A translation 1 unit to the left followed by a 270-degree counterclockwise rotation about the origin

This would make (x,y) move first to (x-1,y), then (y, -x+1)

  • A(2,-2) -> A'(-2, -1)
  • B(4,-2) -> B'(-2, -3)
  • D(5,-3) -> D'(-3, -4)
  • C(1,-3) -> C'(-3, 0)

Therefore, the answer is A, as only it correctly matches to polygon A'B'D'C'.

5 0
2 years ago
N
Nataly_w [17]

Answer: four units left and 1 unit up

Step-by-step explanation:

because negative is at the bottom

4 0
3 years ago
Triangle ABC has perimeter 20 cm.
const2013 [10]

Answer: 28.

Step-by-step explanation: Because if you times 7 and 4 you get 28.

5 0
2 years ago
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