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Svetlanka [38]
2 years ago
14

Determine a polynomial that represents the area of the parallelogram. A=

Mathematics
1 answer:
sp2606 [1]2 years ago
6 0

Answer:

4b² - 16

Step-by-step explanation:

The formula to find the area of a parallelogram equals bh, where b = base and h - height. We're given the base as 2b + 4 and the height as 2b - 4.

  • (2b+4)*(2b-4)=(2b+4)(2b-4)
  • (2b+4)(2b-4)=(2b)(2b)+(2b)(-4)+(4)(2b)+(4)(-4)
  • 4b^2-8b+8b-16
  • 4b^2-16

Therefore, the answer is 4b² - 16.

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the largest of these five squares has side length 27 units, and each additional square's side length is 2/3 as large as the one
RoseWind [281]

The total area is 1289.41 units².

The total perimeter is 281.32 units.

<h3>What is the total area and perimeter?</h3>

The first step is to determine the side lengths of the other squares:

  • Length of the second square = 2/3 x 27 = 18
  • Length of the third square = 2/3 x18 = 12
  • Length of the fourth square = 2/3 x 12 = 8
  • Length of the fifth square = 2/3 x 8 = 5.33

Area of a square = length²

Perimeter of a square = 4 x length

  • Area of the first square = 27² = 729
  • Area of the second square = 18² = 324
  • Area of the first square = 12² = 144
  • Area of the first square = 8² = 64
  • Area of the first square = 5.33² = 28.41

Total area = sum of the areas of the 5 squares = 1289.41 units²

  • Perimeter of the first square = 4 x 27 = 108 units
  • Perimeter of the second square = 4 x 18 = 72
  • Perimeter of the third square = 4 x 12 = 48
  • Perimeter of the fourth square = 4 x 8 = 32
  • Perimeter of the fifth square = 4 x 5.33 = 21.32

Total perimeter = 281.32 units

To learn how a square, please check: brainly.com/question/9030544

#SPJ1

4 0
2 years ago
What is the slope of the line that passes through the points <br> (−9,5) and(−17,5)?
Kryger [21]
The slope for points (-9, 5) (-17, 5) is m = 0
7 0
3 years ago
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The students at Midtown Middle school sold flowers as a fundraiser in September and October. In October, they charged $1.50 for
MrRissso [65]
Part A: Let the September price be x, then
1.2x = 1.5
x = 1.5/1.2 = 1.25
Therefore, September price is $1.25

Part B: In September, they earned 0.4 * 1.25 * 900 = $450
In October, they earned 0.4 * 1.5 * 700 = $420
Therefore, they earned more money in September.
8 0
3 years ago
Find the volume. :D (MARKING BRAINLIEST)
OlgaM077 [116]

Answer:

720 cubic units

Step-by-step explanation:

8 0
2 years ago
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12. How much more energy is released by an earthquake with a magnitude of 8.0
Nadusha1986 [10]

Answer:

  • Lets conside the order of magnitude
  • We have a different of 8.0- 6.0=2.0
  • An 8 magnitude has 63.09 ×10^15 joules
  • A 6 magnitude has 63.09×10^12 J
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