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Sergeu [11.5K]
3 years ago
7

W^2+4w+4/2w^2-8 Simplify the expression

Mathematics
2 answers:
4vir4ik [10]3 years ago
7 0
The answer would be
3w {}^{2}   + 4w - 8
hope I helped
vlada-n [284]3 years ago
4 0

\frac{{w}^{2}  + 4w + 4}{2 {w}^{2} - 8 }
= \frac{(w + 2)(w + 2)}{2( {w}^{2 }  - 4)}
= \frac{(w + 2)(w + 2)}{2(w + 2)(w - 2)}
=  \frac{w + 2}{2(w - 2)}
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In the diagram below de and ef are tangent to o what is the measure of E
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Answer: 32

Step-by-step expanation:

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A recursive rule for a geometric sequence is a1=2; an= 4/9 an-1
Oxana [17]

A recursive rule for a geometric sequence:

a_1\\\\a_n=r\cdot a_{n-1}

---------------------------------------------------

a_1=2;\ a_n=\dfrac{4}{9}a_{n-1}\to r=\dfrac{4}{9}

---------------------------------------------------

The exciplit rule:

a_n=a_1r^{n-1}

Substitute:

a_n=2\left(\dfrac{4}{9}\right)^{n-1}=2\cdot\left(\dfrac{4}{9}\right)^n\cdot\left(\dfrac{4}{9}\right)^{-1}=2\cdot\left(\dfrac{4}{9}\right)^n\cdot\dfrac{9}{4}\\\\\boxed{a_n=\dfrac{9}{2}\cdot\left(\dfrac{4}{9}\right)^n}

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Answer:

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Step-by-step explanation:

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