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2 years ago

What is the slope-intercept equation for the following line? y=-x+

Mathematics

2 answers:

VikaD [51]2 years ago

6 0

Answer:

Step-by-step explanation:

y = (-1/2)x -3

the slope is m = -1/2 because to get to one point to another you go 1 down and 2 to the right

the y-intercept is where the line intersects the y-axis at point (0, -3)

abruzzese [7]2 years ago

5 0

Answer:

y=-1/2x-3

I hope this helps u :)

Step-by-step explanation:

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3 years ago

(6x^2-5x+3)+(3x^2+7x-8) add

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2 years ago

Find x: 3/(x-4)(x-7) + 6/(x-7)(x-13) + 15/(x-13)(x-28) - 1/x-28 = -1/20

Novay_Z [31]

The value of x in the polynomial fraction 3/((x-4)•(x-7)) + 6/((x-7)•(x-13)) + 15/((x-13)•(x-28)) - 1/(x-28) = -1/20 is x = 24

<h3>How can the polynomial with fractions be simplified to find x?</h3>

The given equation is presented as follows;

$\frac{3}{(x - 4) \cdot (x - 7) } + \frac{6}{(x - 7) \cdot (x - 13) } + +\frac{15}{(x - 13) \cdot (x - 28) } - \frac{1}{(x - 28) } = - \frac{1}{20}$

Factoring the common denominator, we have;

$\frac{3\cdot(x - 13) \cdot(x - 28) + 6 \cdot(x - 4) \cdot(x - 28) + 15 \cdot(x - 4) \cdot(x - 7) - (x - 4) \cdot (x - 7)\cdot(x - 13)}{(x - 4) \cdot (x - 7)\cdot(x - 13) \cdot(x - 28)} + = - \frac{1}{20}$

Simplifying the numerator of the right hand side using a graphing calculator, we get;

By expanding and collecting, the terms of the numerator gives;

-(x³ - 48•x + 651•x - 2548)

Given that the terms of the numerator have several factors in common, we get;

-(x³ - 48•x + 651•x - 2548) = -(x-7)•(x-28)•(x-13)

Which gives;

$\frac{-(x - 7) \cdot(x - 28)\cdot (x - 13)}{(x - 4) \cdot (x - 7)\cdot(x - 13) \cdot(x - 28)} + = - \frac{1}{20}$

Which gives;

$\frac{-1}{(x - 4)} + = - \frac{1}{20}$

x - 4 = 20

Therefore;

x = 20 + 4 = 24

Learn more about polynomials with fractions here:

brainly.com/question/12262414

#SPJ1

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1 year ago

In triangle LMN, P lies on LM and Q lies on LN. If Pq is 1/2Mn, PQ is called what

xz_007 [3.2K]

Check the picture below.

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2 years ago

What is the answer in multiple choice? Explain how you got it.

adoni [48]

Cost of the 3 shirts before tax = 2*49.96 + 1/2 * 49.96

= $124.90

After adding 7.1% tax total cost = 124.90 * 1.071 = $133.77

So the cost od each shirt = 133.77 / 3 = $44.59 (answer)

3 0

3 years ago

Read 2 more answers