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Ludmilka [50]
4 years ago
6

Please help me with thus

Mathematics
2 answers:
Alchen [17]4 years ago
6 0
The answer for this question would be C. This statement supports his answer because a solution is not possible when the denominator of a fraction is equal to zero, making it undefined. This is shown when -1/2 is plugged into 6x+3, the denominator of the equation, and it results in the answer 0.
Fed [463]4 years ago
5 0

- 2 \:  =  \:  \frac{2x \:  +  \: 1}{6x \:  +  \: 3}
Multiplying and Dividing R.H.S. by 3, we get,
- 2 \:  =  \:  \frac{1}{3}  \:   \times \:  \frac{6x \:  +  \: 3}{6x \:  +  \: 3}
or,
- 2 \:  =  \:  \frac{1}{3}
Which is not possible, so, no such equation can exist.
Hence, the answer is (C) as the denominator becomes 0, which doesn't make sense, as it is an Indeterminate form.
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Find the sum of series 4/(4n-3) (4n+1)
ANTONII [103]
\dfrac4{(4n-3)(4n+1)}=\dfrac1{4n-3}-\dfrac1{4n-1}

Assuming the sum starts at n=1, the Nth partial sum is

\displaystyle\sum_{n=1}^N\left(\frac1{4n-3}-\frac1{4n-1}\right)=\left(1-\frac15\right)+\left(\frac15-\frac19\right)+\cdots+\left(\frac1{4N-7}-\frac1{4N-3}\right)+\left(\frac1{4N-3}-\frac1{4N+1}\right)
\displaystyle\sum_{n=1}^N\left(\frac1{4n-3}-\frac1{4n-1}\right)=1-\frac1{4N-1}

As N\to\infty, you're left with simply 1.
8 0
3 years ago
Find VW please. the picture is below
sergejj [24]

Answer:

VW = 44

Step-by-step explanation:

the line VX is parallel to ZY and intersects the other 2 sides of the triangle then it divides those sides proportionally , that is

\frac{ZV}{VW} = \frac{YX}{XW} ( substitute values )

\frac{22}{VW} = \frac{18}{36} = \frac{1}{2} ( cross- multiply )

VW = 2 × 22 = 44

3 0
2 years ago
Marianne is 15 years old and her brother is 5 years old; is the relationship between their ages proportional?
cricket20 [7]

Answer:

The ratio is 15:5 or 3:1. If Marianne is 3 years old, her brother is 1. And it is proportional...

Step-by-step explanation:

4 0
3 years ago
What is the slope of this graph
Masja [62]

Answer:

Slope, m = 5

Step-by-step explanation:

Picking points on the x-axis and y-axis of the graph;

Point on x-axis (x1, x2) = 2, 4

Points on the y-axis (y1, y2) = 10, 20

To find the slope;

Mathematically, slope is given by the formula;

Slope = \frac{Change \; in \; y \; axis}{Change \; in \; x \; axis}

Slope, m = \frac {y_{2} - y_{1}}{x_{2} - x_{1}}

Substituting into the equation, we have;

Slope, m = \frac {20 - 10}{4 - 2}

Slope, m = \frac {10}{2}

Slope, m = 5

3 0
3 years ago
What is 0.4 ÷ 1.44 I don't understand it and I need help
o-na [289]
The the answe is 3.6
6 0
3 years ago
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