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bekas [8.4K]
3 years ago
12

3(-4x + 5) = 12

Mathematics
1 answer:
8_murik_8 [283]3 years ago
7 0

Answer:

x=1/4

Step-by-step explanation:

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a rectangular picture frame has a width of 9 cm and a length of x cm. which expression represents the perimeter of the picture f
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Is EFGH below a rectangle
poizon [28]

Answer:

  D. No, because EFGH is a parallelogram but it’s diagonals are not congruent

Step-by-step explanation:

The differences between the end points of the diagonals are ...

  F -H = (1, 1) -(2, -5) = (1 -2, 1 -(-5)) = (-1, 6)

  G -E = (4, -2) -(-1, -2) = (4 -(-1), -2 -(-2)) = (5, 0)

The length of FH is more than 6, the length of GE is exactly 5. The diagonals are different length, so the figure cannot be a rectangle.

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The midpoints of the diagonals will be in the same place if the sum of their end points is the same. (Dividing each sum by 2 gives the midpoint of that segment.)

  F+H = (1, 1) +(2, -5) = (3, -4)

  G+E = (4, -2) +(-1, -2) = (3, -4)

The diagonals bisect each other (have the same midpoint), so the figure is a parallelogram.

EFGH is a parallelogram, but not a rectangle: its diagonals are not congruent.

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2 years ago
Penelope is skating at the ice rink. She travels 50 meters in 25 seconds.
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Answer:

Penelope travels 2 meters per second

Step-by-step explanation:

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(Whatever is done on the bottom is done on the top/ viceversa)

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