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Inessa05 [86]
3 years ago
7

Find the roots of the polynomial equation. x2 + 24 = 11x A. 12, 2 B. 3, 8 C. –8, –3 D. –12, –2

Mathematics
2 answers:
kozerog [31]3 years ago
8 0
<span>Set equal to zero/
x^2 - 11x + 24 = 0 (x-8)(x-3) = 0
x = 8 and
x = 3 (after setting each factor equal to 0).
Choice (B) is correct.</span>
yan [13]3 years ago
5 0
I hope this helps you

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Please help me fill this in
Rom4ik [11]

Answer:

380.13m squared

you take half of the diameter for the radius and you do 11 squared times pie

7 0
3 years ago
PLEAZE HELP IM FAILING THIS CLASS 9) The volume of a box is represented by x' +11x² + 20x – 32. The width of the box is x – 1, a
In-s [12.5K]

Answer:

Step-by-step explanation:

Volume of the box  =  x³ +11x² + 20x – 32        I think the ' is a typo for ³

      the width is x-1    and the height is x+8      

Find an expression for the length

       Vol = LWH    solve L

        Vol / (WH)   =  L     so

L  =  (x³ +11x² + 20x – 32) / (x-1) (x+8)      

                    so it would help to factor the numerator

       (x³ +11x² + 20x – 32)       I'm willing to bet (x-1) and  (x+8) are factors

                                               but I will plot the equation to find the three roots

        (x³ +11x² + 20x – 32)  = (x-1) (x+8) (x+4)

L  =  (x³ +11x² + 20x – 32) / (x-1) (x+8)

   =  (x-1) (x+8) (x+4) / (x-1) (x+8)           the (x-1) and (x+8) cancel out leaving

L =   (x + 4)

7 0
3 years ago
Which expression is equivalent to 5 x + 10 y minus 15?
BlackZzzverrR [31]

Answer:

C

Step-by-step explanation

5*x=5x -----5*2=10------5*3=15

7 0
3 years ago
Also need help with this
Crank
=7(∛2x) - 6(∛2x) - 6(<span>∛x)
= </span>∛2x - 6<span>∛x

answer
C. </span>∛2x - 6∛x
third choice
6 0
4 years ago
rewrite the polynomial 2y^2+ 6y^3-11-17y^4+8y^5 in the standard form also find its degree and coefficient of y^4
OleMash [197]

Answer:

The standard form is  8 y ⁵ - 17 y⁴ + 6 y³ +2 y² - 11

The degree of given polynomial is '5'

the co-efficient of  y⁴  is '-17'

Step-by-step explanation:

Given standard form 2 y²+ 6 y³-11-17 y⁴+8 y⁵

<em>The form ax² + b x + c is called the standard form of the quadratic expression of 'x'.This is second degree standard form of polynomial.</em>

<em>The form ax⁵ + b x⁴ + c x³ +d x² +ex +f  is called the standard form of the quadratic expression of 'x'.This is fifth degree standard form of polynomial</em>

now Given polynomial is  2 y²+ 6 y³-11-17 y⁴+8 y⁵

The standard form is

                                8 y ⁵ - 17 y⁴ + 6 y³ +2 y² - 11

<u><em>Conclusion</em></u>:-

<em>The degree of given polynomial is '5'</em>

<em>The co-efficient of  y⁴  is '-17'</em>

<em>   </em>

5 0
3 years ago
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