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LenaWriter [7]
3 years ago
15

Can someone answer 3 of the five questions?

Mathematics
2 answers:
DerKrebs [107]3 years ago
8 0
The answer is A is equal to 2
Evgen [1.6K]3 years ago
8 0
2A) 8N = (64/8)N = 64*(N/8) = 64*(.25)
  8N = 16

2B) S:N:J = 5:3:1
  S - N = 5 - 3 = 2 "ratio units" = 16 games. Jay has 1 "ratio unit" of games.
  Jay has 8 games.

2C) The upper left box must be 6, so the boxes on the right must be 2, 3, 4 in some order. The top box cannot be 2 or 3 because those choices cause a number to be used twice. The top right box is 4, the middle right box is then 3, and the bottom box must be ...
  A = 2.

2D) 4 half-squares are unshaded for a total of 2 of the 9 squares. Then the 7 shaded squares are 14 cm², or 2 cm² per small square. The 9 small squares add to ...
  18 cm²

2E) The Nth triangular number is the sum of all positive integers N and below. That is, the 4th triangular number is 4 + 3 + 2 + 1 = 10. The 5th triangular number adds 5 to that sum, so is 15. The Nth triangular number is the number of handshakes there will be between N+1 people.
  If there are 15 handshakes, there are 6 people in the room.

(The Nth triangular number t(n) is given by t(n)=n(n+1)/2. This can give rise to a quadratic equation that you can solve to find the number of people.)
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Answer:

y=0.8x

Step-by-step explanation:

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Can someone answer these questions
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Inessa05 [86]

The answer is 37/100 as a fraction. Hope this helps you.


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3 years ago
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artcher [175]

Answer:

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Then 7 more than that - 1/2 (x) + 7

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