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Sunny_sXe [5.5K]
3 years ago
12

Simplify the rational expressions. X^2 - 16/ X^2 + 6x + 8

Mathematics
2 answers:
Anestetic [448]3 years ago
7 0

The correct answer is x-4/x+2

Yuki888 [10]3 years ago
4 0

Answer:

\large\boxed{\dfrac{x-4}{x+2}}

Step-by-step explanation:

\dfrac{x^2-16}{x^2+6x+8}=\dfrac{x^2-4^2}{x^2+4x+2x+8}\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=\dfrac{(x-4)(x+4)}{x(x+4)+2(x+4)}=\dfrac{(x-4)(x+4)}{(x+4)(x+2)}\qquad\text{cancel}\ (x+4)\\\\=\dfrac{x-4}{x+2}

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If the circumference of the base is 25 and the height is 8 find the volume
inn [45]

Area of base is Circumference x \pi or A = 25 x \pi

A = 78.53981

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V = 628.32 Units

The volume of the cylinder is 628.32 units

3 0
3 years ago
Bryan has a square parcel of land that is 120 yards long and 120 yards wide. The land is planted with Bermuda grass and surround
bagirrra123 [75]
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7 0
3 years ago
What is the solution to the equation -4 (2x + 3) = 2x + 6 - (8x + 2)
jeka94

Answer:

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Step-by-step explanation:

4 0
2 years ago
Factor out the monomial: 18x^2 + 2
Trava [24]

Answer:

Step-by-step explanation:

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4 0
3 years ago
solve |1 - 4x| > 7 a. {x|x < -1.5 ∪ x > 1.5} b. {x|x < -1.5 ∪ x > 2} c. {x|-1.5 < x < 2}
skelet666 [1.2K]
<span>|1 - 4x| > 7
</span>(<span>1 - 4x) > 7 or (</span><span>1 - 4x) < -7
-4x > 7 - 1 or -4x < -7 - 1
-4x > 6 or -4x < -8
x < 6/-4 or x > -8/-4
x < -1.5 or x > 2
</span><span>{x|x < -1.5 ∪ x > 2}</span>
8 0
3 years ago
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