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Hunter-Best [27]
3 years ago
7

Which of the following statements is true about the three quadrilaterals? (5 points)

Mathematics
1 answer:
klemol [59]3 years ago
7 0

Answer:

1 one os true

2 nd one is true

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Select the step in the solution that shows the first error.
siniylev [52]

Answer:

Step 2: 20x = 80 + 10x

Step-by-step explanation:

Step 1: 20x - 10 = 80 + 10x

Add 10 to each side

20x - 10+10 = 80+10 + 10x

20x  = 90 + 10x

Step 2: 20x = 80 + 10x   This has the first error

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3 years ago
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Step-by-step explanation:

Move all terms not containing y to the right side of the inequality.

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-4x -7 - 3x + 4 = 25
zimovet [89]

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Part C
mel-nik [20]

Answer:

  • Tamara needs to cover a total of <u>476</u> square feet.
  • Tamara <u>will</u> have enough material to cover all four walls.

Step-by-step explanation:

If the room dimensions are 8 1/3 feet by 11 1/2 feet, the perimeter length is ...

  P = 2(L+W) = 2(8 1/3 +11 1/2) = 2(19 5/6) = 39 2/3 feet

The area of the walls is the product of this perimeter length and the height of the wall. If that height is 12 feet, then the wall area is ...

  A = PH = (39 2/3 ft)(12 ft) = 476 ft²

Tamara needs to cover a total of <u>476</u> square feet.

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If Tamara orders 480 square feet of material, ...

Tamara <u>will</u> have enough to cover all four walls.

6 0
3 years ago
I'm really stuck can someone help?
serious [3.7K]
You got it right the yellow highlighted
7 0
2 years ago
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