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Viefleur [7K]
3 years ago
5

The system of equations below represents the hangers: 2x + 2y = 20, 3x = 2y. Which of the following points is a solution to this

system?

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
8 0

Answer:

5lb

Step-by-step explanation:

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Write a polynomial f(x) that meets the given conditions. Answers may very
AnnZ [28]

The polynomial is: f(x)=x^3-2x^2-23x+60

Step-by-step explanation:

We need to write a polynomial f(x) that meets the given conditions: Degree 3 polynomial with zeros 3,-5,4

Since zeros are at 3,-5 and 4

So, x=3, x=-5 and x=4

or:

x-3=0, x+5=0 and x-4=0

Multiplying all factors to find the polynomial:

(x-3)(x+5)(x-4)=0\\(x(x+5)-3(x+5))(x-4)=0\\(x^2+5x-3x-15)(x-4)=0\\(x^2+2x-15)(x-4)=0\\x(x^2+2x-15)-4(x^2+2x-15)=0\\x^3+2x^2-15x-4x^2-8x+60=0\\x^3+2x^2-4x^2-15x-8x+60=0\\x^3-2x^2-23x+60=0

So, the polynomial is: f(x)=x^3-2x^2-23x+60

keywords: Factors and zeros of polynomial

Learn more about Factors and zeros of polynomial at:

  • brainly.com/question/2568692
  • brainly.com/question/1332667
  • brainly.com/question/1357167

#learnwithBrainly

4 0
3 years ago
What is the dimensions for a square that has an area of 30 and a perimeter of 34
Alla [95]

A 4-sided thing with area of 30 and perimeter of 34
has these dimensions:

          <em> Length  =  15</em>
<em>            Width  =  2</em>

That's no square.


4 0
3 years ago
2. Find the equation of the line that passes through the points (2, 13) and (1,8). *
dalvyx [7]

Answer:

y = 5x + 3

Step-by-step explanation:

If you plot it on a graph it shows that the line y = 5x + 3 passes through those points.

8 0
3 years ago
What is the value of x in the equation 4x +8y=40, when y=0.8?<br> O 4.6<br> O 8.4<br> O 10<br> O 12
Tasya [4]
4x + 8y = 40

4x + 8(0.8) = 40

4x + 6.4 = 40
40 - 6.4 = 33.6

33.6 / 4 = x

33.6 / 4 = 8.4

The answer option 2, 8.4
4 0
3 years ago
PLEASE HELP ILL GIVE BRIANALIST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Aleksandr-060686 [28]

Answer:

22\frac{1}{12}

Step-by-step explanation:

7 0
2 years ago
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