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Tpy6a [65]
3 years ago
15

Add:

Mathematics
2 answers:
dezoksy [38]3 years ago
8 0
   (4-3n-5n2)

+( -2+n-3n2)
____________________
    -2-2n-8n2

ICE Princess25 [194]3 years ago
4 0

Answer:

   2-2n-8n2

Step-by-step explanation:

correct answer

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cricket20 [7]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
Mei is trying to list as many prime numbers as she can for a challenge problem for her math class. She finds
Svet_ta [14]
Hello,

Since the degree of a polynomial is the highest exponent present, the degree of Mei’s polynomial should be 2.
6 0
3 years ago
Rusty is 5.75 feet tall and casts a 7 foot shadow find the angle of elevation from the tip of the shadow to the top of Rusty’s h
11Alexandr11 [23.1K]

Answer:

Ф = 39.4 degrees

Step-by-step explanation:

The ratio 5.75 / 7 is the tangent of the angle of elevation.  Using the inverse tangent function on a calculator returns Ф = 39.4 degrees.

5 0
3 years ago
Shawn drew a rectangle that had a width of 4.2 inches and a length of 8.1 inches. Find the perimeter of Shawn's rectangle
MArishka [77]

Answer: 24.6 inches


Step-by-step explanation: Since it's a rectangle, and not a rectangular prism, that means it's 2D. Length is the long sides on the top and bottom, and width is the shorter sides on it's left and right. So since there's two of each, just do 8.1 + 8.1 + 4.2 + 4.2 and you have your answer!


3 0
3 years ago
Show all work to factor x^4 − 17x^2 + 16 completely.
FrozenT [24]

Answer:

it looks like it is completely factored out to me at least there is a high possibility I am wrong because that looks complicated I wish I could help

6 0
2 years ago
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