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Goshia [24]
3 years ago
15

50 points please help

Mathematics
2 answers:
ioda3 years ago
8 0
4x row 3 box 2 that’s the only one I know
satela [25.4K]3 years ago
6 0

Step-by-step explanation:

Start filling in from the bottom, left to right

<u>Row 2 from bottom:</u>

  • -2x + 3
  • 3 + (-5) = -2
  • -5 + 7y = 7y - 5
  • 7y + 1

<u>Row 3 from bottom:</u>

  • 2x + (-2x) + 3 = 3
  • -2x + 3 + (-2) = -2x + 1
  • -2 + 7y - 5 = 7y - 7

<u>Row 4 from bottom:</u>

  • 3 + (-2x) + 1 = -2x + 4
  • 7y - 7 - 5 + 15y =  22y - 12

<u>Row 5 from bottom:</u>

  • -2x + 4 -2x - 6 + 7y = -4x + 7y - 2
  • -2x - 6 + 7y + 22y - 12 = -2x + 29y - 18

<u>Top row:</u>

  • -4x + 7y - 2 - 2x + 29y - 18 = -6x + 36y - 20
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A square has side length 3 units. What is the length of the diagonal?
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Answer:

  C. 3√2 units

Step-by-step explanation:

The diagonal of a square is √2 times the side length. For a square with side length 3, the diagonal is 3√2.

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If you like, you can see this using the Pythagorean theorem.

  d² = s² + s² . . . . . where d is the diagonal, and s is the side

  d² = 2s²

  d = √(2s²) = s√2

For s=3, ...

  d = 3√2

4 0
3 years ago
A man is dealt 5 cards one after the other from an ordinary deck of 52 cards. what is the probability p that they are all spades
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3 years ago
The difference of the squares of two positive consecutive even integers is 84. Find the integers.
ziro4ka [17]

Answer:

The two integers are 20 and 22.

Step-by-step explanation:

Let x be the first integer.

(x+2)^{2}-x^{2} = 84\\x^{2} +4x+4-x^{2} = 84\\4x = 80\\x = 20

3 0
3 years ago
1 more than the product of a number and negative 8 ​
castortr0y [4]

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this equals k/2 = 3/2

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