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FrozenT [24]
2 years ago
9

5a - (-9) - 7a - 12 6 - 7m^2 + 4n^2 - 8 - 9m^2 - n^2

Mathematics
1 answer:
Klio2033 [76]2 years ago
3 0

Answer:

ken Copland

Step-by-step explanation:

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So first you would have to add 10 and 1/8 and 3 and 5/8 which is 4 and 3/4 then add 2 and 7/8 to 4 and 3/4 which is 7 and 5/8 so 7 5/8 is the answer.
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Margaret [11]

Answer:

a is the answer

Step-by-step explanation:

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Find sin D sin E cos D and cos E
Andrew [12]

9514 1404 393

Answer:

  sin(D) = cos(E) = (√3)/2

  cos(D) = sin(E) = 1/2

Step-by-step explanation:

The mnemonic SOH CAH TOA is intended to remind you of the relationships between trig functions and right triangle sides.

  Sin = Opposite/Hypotenuse

  Cos = Adjacent/Hypotenuse

For this diagram, this means ...

  sin(D) = cos(E) = (13√3)/26 = (√3)/2

  cos(D) = sin(E) = 13/26 = 1/2

5 0
2 years ago
PLEASE HELP!!
jonny [76]

Answer:

  • A. f(n) = (n + 1)^2 – 1

Step-by-step explanation:

Figure 1

  • 3 = 4 - 1 = 2² - 1 = (1 + 1)² - 1

Figure 2

  • 8 = 9 - 1 = 3² - 1 = (2 + 1)² - 1

Figure 3

  • 15 = 16 - 1 = 4² - 1 = (3 + 1)² - 1

<u>The function is:</u>

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7 0
2 years ago
Does anyone mind helping me!? [ The answer selected was on accident! ]
Dahasolnce [82]

Answer:

me

  • Step-by-step explanation:
  • <em>58 = 3 \times \frac{?}{?}</em>

5 0
2 years ago
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