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Whitepunk [10]
4 years ago
13

Using synthetic division, find (2x^4 - 3x^3 - 20x -21) + (x-3).

Mathematics
1 answer:
sasho [114]4 years ago
5 0

Answer:

Step-by-step explanation:

i think you want to know if x-3 is a factor.

x-3=0

x=3

3 ) 2  -3  -20  -21

  |       6   9    -33

  |----------------------

     2   3  -11  |-54

remainder is not zero,it is -54

so x-3 is not a factor of 2x^4-3x²-20x-21

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HELP PLS HELP, DUE IN 10 MINUTES
amid [387]

Answer:

A.  26.10 cm

B. 118.95 cm

Step-by-step explanation:

ST = 41^2 - 40^2 =  c^2  = hypotenuse

ST = 1681 - 1600 = c^2

ST = c^2 = sq rt 681 =26.0959767014 = 26.1cm

Nearest 100th = 26.10

Length = 26.10 cm to nearest 100th

Perimeter of RSU we find (M) of SU first then add that to the other 3 lengths on the exterior of the triangle.

SU = 10^2 + 26.1^2 = c^2 = hypotenuse

SU = 100 + 681.21 = c^2

SU = c^2 = sqrt 781.21 = 27.9501341678 = 27.95cm

P TOTAL RSU  = SU + TR + RS + TU

= 27.95 + 40+ 41 + 10 = 118.95cm

5 0
3 years ago
Read 2 more answers
Find the length of segment ST <br> A) 74 units <br> B) 12 units <br> C) 10 units <br> D) 74 units
vodomira [7]
74 units would be your answer for the length segment
4 0
4 years ago
What's the slant height of a regular pyramid or cone with the height of 15 cm and the base of 12 cm
Zielflug [23.3K]
H = 15cm;
r = 12/2 = 6cm;

s = \sqrt{ 15^{2} +  6^{2} } = 3\sqrt{29} cm;
5 0
3 years ago
400 ml of squash is made by mixing 50 ml of cordial with water. What fraction of the drink is water?
avanturin [10]

Answer:

Fraction of drink that is water = = 0.875 = 87.5 %

Explanation:

 400 ml of squash is made by mixing 50 ml of cordial with water.

 Total volume of squash = 400 ml

   Total volume of cordial = 50 ml

   Total volume of water  =  400 - 50 = 350 ml

    Fraction of drink that is water = Volume of water/ Volume of squash

                                                     = 350/400

                                                     = 7/8

                                                     = 0.875 = 87.5 %


 

   

3 0
3 years ago
Which of the following is not an integer? 36 0 -22 0.75
Marta_Voda [28]

Answer:

\Huge \boxed{\mathrm{0.75}}

Step-by-step explanation:

Integers are whole numbers.

Integers include all negative and positive whole numbers. Zero is also included as an integer.

36 is a positive whole number. 36 is an integer.

0 is a whole number. 0 is an integer.

-22 is a negative whole number. -22 is an integer.

0.75 is not a whole number. 0.75 is not an integer.

7 0
4 years ago
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