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pogonyaev
3 years ago
7

Rewrite the following rational expression with a new denominator as indicated 7/12 ;48

Mathematics
1 answer:
raketka [301]3 years ago
3 0
If 48 is the new denominator, then..
12 times 4 = 48, so we have to take 7 times 4 as well.
The new numerator would be 28(7 times 4).


Thus, the new fraction would be 28/48. Hope it helps!
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Solve 2(y – 3) = 1.2 – y.
Anna007 [38]

Answer:

y = 2.4

Step-by-step explanation:

first distribute into the parenthesis' -

2(y-3) = 1.2 -y

2y - 6 = 1.2 - y

+y                +y

3y -6 = 1.2

   +6     +6

3y = 7.2

/3      /3

y = 2.4

hope this helps!!

3 0
3 years ago
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Factor the expression 15x^2-16xy+4y^2
Zepler [3.9K]

(5x-2y)(3x-2y)


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3 years ago
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Form a polynomial function whose real zeros are in -1, 1, 3 and whose degree is 3
polet [3.4K]

The polynomial function whose real zeros are in -1, 1, 3 and whose degree is 3 is x^3-3x^2-x+3=0

Step-by-step explanation:

We need to find a polynomial function whose real zeros are in -1, 1, 3 and whose degree is 3.

If -1, 1 and 3 are real zeros, it can be written as:

x= -1, x= 1, and x = 3

or x+1=0, x-1=0 and x-3=0

Finding polynomial by multiply these factors:

(x+1)(x-1)(x-3)=0\\(x+1)(x(x-3)-1(x-3))=0\\(x+1)(x^2-3x-x+3)=0\\(x+1)(x^2-4x+3)=0\\x(x^2-4x+3)+1(x^2-4x+3)=0\\x^3-4x^2+3x+x^2-4x+3=0\\Combining\,\,like\,\,terms:\\x^3-4x^2+x^2+3x-4x+3=0\\x^3-3x^2-x+3=0

So, The polynomial function whose real zeros are in -1, 1, 3 and whose degree is 3 is x^3-3x^2-x+3=0

Keywords: Real zeros of Polynomials

Learn more about Real zeros of Polynomials at:

  • brainly.com/question/1464739
  • brainly.com/question/2568692
  • brainly.com/question/10771256

#learnwithBrainly

8 0
3 years ago
A line has a slope of 2 and passes through the point ( -1, 3). Write an equation in slope intercept form
stealth61 [152]

Answer:

y=2x+5

Step-by-step explanation:

The equation of a line in slope intercept form is written as: y=mx +b where m is the slope and b is the y-intercept.

Taking point (-1,3) , m= 2 and imaginary point on the line, (x,y) then ;

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m=Δy/Δx

m=y-3/x--1

2= y-3 / x+1

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2x +2 =y-3

2x=y-3-2

2x=y-5

<u>y=2x+5 is the equation.</u>

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3 years ago
PLEASE HELP WITH QUESTION! MARKING BRAINLIEST + POINTS GIVEN.
I am Lyosha [343]
The simple answer (not using multiples of 2\pi (360°)) is
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3 years ago
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