4 years ago

Find the numerator of the equivalent fraction with the denominator 12x - 2/3

Mathematics

1 answer:

Arada [10]4 years ago

8 0

The numerator should be 8x

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What polygon is formed by<br> joining the points<br> (1, -1), (4, -1), (-1, -3),<br> and (7, -3)?

xz_007 [3.2K]

Answer:

Its a trapezoid

Step-by-step explanation:

Also you don't have to ask this on brainly

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3 years ago

What is the 7th term of the geometric sequence where a1 = -625 and a2 = 125

kykrilka [37]

Since the sequence is geometric, there is some constant $r$ such that the sequence is recursively given by

$a_n=ra_{n-1}$

By this definition, you can recursively substitute into the right hand side the definition for $a_{n-1},a_{n-2},\ldots$ to find an explicit formula for the $n$ th term.

$a_n=ra_{n-1}=r^2a_{n-2}=r^3a_{n-3}=\cdots=r^{n-1}a_1=-625r^{n-1}$

You know the second term, which means you can find $r$ :

$a_2=-625r^{2-1}\implies125=-625r\implies r=-\dfrac15$

So, the 7th term of the sequence is

$a_7=-625\left(-\dfrac15\right)^{7-1}=-\dfrac1{25}$