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ivann1987 [24]
4 years ago
5

Condensing Logarithmic Expression In Exercise,use the properties of logarithms to rewrite the expression as the logarithm of a s

ingle quantity.See example 4.
3/2[In x(x^2 + 1) - In(x + 1)]
Mathematics
1 answer:
nevsk [136]4 years ago
6 0

Answer:

[ln \frac{x(x^2 + 1)}{(x + 1)}]^\frac{3}{2}

Step-by-step explanation:

\frac{3}{2} [ln x(x^2 + 1) - ln(x + 1)]

ln(m/n)= lnm - ln(n)

\frac{3}{2}[ln x(x^2 + 1) - ln(x + 1)]

\frac{3}{2}[ln \frac{x(x^2 + 1)}{(x + 1)}]

3/2 is before ln. so we move the fraction 3/2 to the exponent

as per log property we move the fraction to the exponent

[ln \frac{x(x^2 + 1)}{(x + 1)}]^\frac{3}{2}

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Answer:

Well, I think this is correct:

Well, if we know that a and b are parallel, that means they have the same slope but different y-intercept.  So, if c and a intersects, then c and b are bound to intercept, because when c intersects with a, it will also cross b, since it will be going in the same route...which will make it also intersect with b. (crossing.)

Sorry if I'm wrong.

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7 0
3 years ago
If the sales tax of 7.25% is applied to an item that costs $28, then which of the following would be the sales tax collected?
anyanavicka [17]

Answer:

of the the sales tax of 7.25 percent is applied to an item that costs 28 dollars, then 2.03 dollars is the sales tax collected

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3 years ago
0.008 is one tenth of what number ?
mina [271]

Answer:

You really need to include the answer choices for your question.

Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
2x + 4y = 12
Alla [95]
1)     This format that the two equations are in is called Standard Form, and it's formula is Ax+By=C. Slope-Intercept Form is another form in which linear equations can be written. It's expressed as y=mx+b. See how in SIF (Slope intercept form), the "y" is isolated? All you have to do is isolate the "y" in both equations given to you.

2x+4y=12
-2x       -2x
4y=-2x+12
/4           /4
y=-1/2x+3

3x-5y=10
-3x       -3x
-5y=-3x+10
/-5         /-5
y=3/5x-2

2)     To graph SIF, you need to know what each aspect of the equation is. The formula is y=mx+b.

<em>m</em> stands for slope. A great way to remember it is rise/run (rise over run). Basically, the numerator in "m" is how far up you go to graph each point, and the denominator is how far left or right you go (remember, left is negative, right is positive). Let me give you an example. y=3/5x. In this formula, to graph each point, on the line, you'd go up 3, and to the <em>right</em> 5, then plot a point, then up 3, right 5, plot another one... you get it. What if the equation was y=3x though? The slope would be 3/1, or up 3, right one.

You know how to plot the points, but what coordinate do you <em>start</em><em> </em>at? That's where the Y-Intercept comes into play. The Y-Intercept is basically where the line crosses the Y-axis. The b in the SIF formula is the y-intercept, and where you plot your very first coordinate on the line. If the SIF equation was y=1x+3, your first coordinate would be on the y axis, at an elevation of 3. Since the y-axis is at x=0, the coordinate would be (0,3). 

3)     Look at the graph now. Where do the lines cross? The x should be somewhere between 4 and 5, and the y is somewhere between 1.5 and 2. Therefor, your "estimation" should be something like (4.5,1.75)

I really hoped this helped you! It took a while to write so I'd appreciate if you'd choose the Brainliest answer -- thanks!


5 0
3 years ago
Ben Frank is an electrician who installs lighting fixtures. He charges (in dollars) his clients 15h + 40f, h, plus, 40, f where
Savatey [412]

Answer:

15h+40f

15(7)+40(9)

105+360

465

465 fixtures

Step-by-step explanation:

7 0
3 years ago
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