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PSYCHO15rus [73]
2 years ago
6

Update for the first one

Mathematics
2 answers:
Zepler [3.9K]2 years ago
8 0
Answer is x+2.5 Hope it helped
PSYCHO15rus [73]2 years ago
7 0

Answer:

y = x + 2.5

Step-by-step explanation:

slope = (y2-y1)/(x2-x1) where the variables indicate the coordinates of the two points

slope = (2.5-1.5)/(0+1) = 1

equation = y-y1 = m(x-x1)

y - 2.5 = x

y = x + 2.5

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Plot the vertices (-2, -8), (-2, 2), and (8, 2).
charle [14.2K]

Answer:

  • (8, -8)
  • 100 square units

Step-by-step explanation:

The diagonals of a rectangle have the same midpoint, so for points A, B, C, D, we must have ...

  (A+C)/2 = (B+D)/2

  D = A + C - B

  D = (-2, -8) +(8, 2) -(-2, 2) = (-2+8+2, -8+2-2)

  D = (8, -8)

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The side lengths are 2-(-8) = 10, and 8-(-2) = 10. The area is the product of the side lengths, so is 10×10 = 100 square units.

_____

<em>Comment on side lengths</em>

When the end points of one side are on the same vertical line, the length of that side is the difference of y-coordinates. When the points lie on the same horizontal line, the side length is the difference of x-coordinates.

5 0
3 years ago
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3. The graph shows the vertical displacement y, in centimeters, that a weight bouncing from a spring would achieve if there were
Free_Kalibri [48]

Answer:

a what is the weight maximum displacement

6 0
3 years ago
Elijah is selling coupon books for a school fundraiser. the coupon books sell for $11. the school gets $8 and $3 goes to elijah'
Sladkaya [172]
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3 years ago
Help, i'll give a brainliest
Valentin [98]

Answer:

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