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Ket [755]
3 years ago
12

What is the remainder when you divide (5x^3+23x^2-x+53) / (x+5)

Mathematics
2 answers:
lakkis [162]3 years ago
5 0

Answer:

Remainder: 8

Step-by-step explanation: Divide by equation by using long polynomial division.

Hope this helpsʕ•ᴥ•ʔ

Butoxors [25]3 years ago
4 0

Answer:

  1. 8
  2. x+5

Step-by-step explanation:

You can do regular polynomial long division as in the first attachment, or you can do synthetic division as in the second attachment. They both give the same result. The remaining fraction is 8/(x+5).

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A regular pentagonal prism has a volume of 2,850 cubic millimeters. what is the height of the prism? a regular pentagonal prism
zlopas [31]

Answer:

Height = 19mm.

Step-by-step explanation:

Area of a regular polygon =  (A * P) / 2 where A = side / (2 * Tan (π / N)) where, N = Number of sides, A = Apothem,  P = Perimeter.

Here A = 5, P = 5*12 = 60 so

Area  of the base  = (5 * 60) / 2 = 150 mm^2.

Volume = area base * height so

Height = volume / area of base

            = 2850 / 150

            = 19 mm.

5 0
1 year ago
An elementary ntimesn scaling matrix with k on the diagonal is the same as the ntimesn identity matrix with _______ exactly one
Dafna11 [192]

Answer:

exactly one, 0's, triangular matrix, product and 1.

Step-by-step explanation:

So, let us first fill in the gap in the question below. Note that the capitalized words are the words to be filled in the gap and the ones in brackets too.

"An elementary ntimesn scaling matrix with k on the diagonal is the same as the ntimesn identity matrix with EXACTLY ONE of the (0's) replaced with some number k. This means it is TRIANGULAR MATRIX, and so its determinant is the PRODUCT of its diagonal entries.​ Thus, the determinant of an elementary scaling matrix with k on the diagonal is (1).

Here, one of the zeros in the identity matrix will surely be replaced by one. That is to say, the determinants = 1 × 1 × 1 => 1. Thus, it is a a triangular matrix.

3 0
3 years ago
-2/9x+(-7/9y)+(-7/10x+(-2/3)
coldgirl [10]

Step-by-step explanation:

=-32-9 08 3X-97y

9- 2⋅ x+9- 7⋅ y+(1 0- 7⋅ x+3- 2)

5 0
3 years ago
PLEASE HELP ME <br> THIS IS DUE IN 10 MINUTES
gizmo_the_mogwai [7]

Answer:

C and D. You're welcome :)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The sum of the two numbers is 16. One number is 4 less than 3 times the other. Find the numbers.
Otrada [13]

Answer:

5 and 11

Step-by-step explanation:

Make equations:

x+y = 16

3x-4 = y

Substitute 3x-4 as y in x+y = 16

You get x + 3x - 4 = 16

Simplify into 4x - 4 = 16

Add 4 on both sides

you get 4x = 20

Divide each side by 4,

You get x = 5. Plug 5 back into x+y = 16

Subtract 5 from both sides, and you get y = 11

7 0
3 years ago
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