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vaieri [72.5K]
2 years ago
9

Can someone please factor this expression 27/x³- 8​

Mathematics
2 answers:
almond37 [142]2 years ago
6 0

Answer:

(3x-2) (9xsquare+6x+4)

NISA [10]2 years ago
4 0

Answer:

Answer is below

Step-by-step explanation:

\frac{27}{x^{3} } -8= (\frac{3}{x})^{3}  -2^{3} =(\frac{3}{x}  -2)(\frac{9}{x^{2}}+\frac{6}{x}+4)

(  from formula (a³ – b³) = (a – b)(a² + b² + ab)  )

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Determine the equation of the tangent to x− 3x +1 at the point (3,1)
wariber [46]

9514 1404 393

Answer:

  y = 3x -8

Step-by-step explanation:

We assume you want the tangent to the parabola y = x² -3x +1 at the given point. The slope is found using the derivative of the function at that point.

  y' = 2x -3

At x=3, the slope is ...

  y' = 2(3) -3 = 3

The equation of the line through point (3, 1) with a slope of 3 is ...

  y -1 = 3(x -3) . . . .  use the point-slope form of the equation for a line

  y = 3x -9 +1 . . . . . eliminate parentheses, add 1

  y = 3x -8

4 0
3 years ago
A 13-foot ladder leans against the side of a house with its base 3 feet from the house. Use the Pythagorean Theorem to approxima
scZoUnD [109]

Answer: 12.65 ft

Pythagorean theorem is a^{2} + b^{2} = c^{2}

So, a^{2} + 3^{2} = 13^{2}

169 - 9 = 160

\sqrt{160} is 12.65.

Hope it helps.

4 0
2 years ago
2x 5 The area of the rectangle shown is given by the function A()- 2 -5x lfthe width of the rectangle is 13, then the area is 42
PIT_PIT [208]
If you let x = 13:
     Then, Area = 2(13)^2 - 5(13)
                        = 338 - 65
                        = 273 sq ft

If you let 2x-5 = 13:
                  2x = 18
                    x = 6
 
     Then, Area = 2(6)^2 - 5(6)
                        = 72 - 30
                        = 42 sq ft

Therefore, your options are A or C. Your answer can be chosen based on what you assume the width to be. Good luck!

7 0
3 years ago
How many cups does it take to fill the<br> pint container
Reika [66]

Answer:

2 cups.

Step-by-step explanation:

7 0
3 years ago
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1+1=2+3+4=9 it’s 9 have a good day
Zina [86]

Answer:

U too

Step-by-step explanation:

;)

3 0
2 years ago
Read 2 more answers
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