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balu736 [363]
2 years ago
9

Find the exact value of the logarithm without using a calculator.

Mathematics
2 answers:
xz_007 [3.2K]2 years ago
6 0

Answer:

\frac{1}{11}

Step-by-step explanation:

First, remember that the ln function is just a log function with a base of e. Here's how it looks

ln(x) =log_{e}(x)

ln(\sqrt[11]{e} ) = log_{e}(\sqrt[11]{e} )

We can take this one step further if we realize that we can rewrite the square root as a simple power to a fraction!

log_{e}(e^{\frac{1}{11} } )

Solving the equation above is really simple. All that function is really saying is can we raise e to some number, where the result would be e^(1/11)? In other words find x.

e^{x} = e^{\frac{1}{11} }

Well x has to be 1/11 in that case. And that ends up being our final answer.

log_{e}(e^{\frac{1}{11} } ) = \frac{1}{11}

denis-greek [22]2 years ago
5 0

Answer:

1/11

Step-by-step explanation:

We are asked to find the natural log of

\sqrt[11]{e}

Convert to fractional exponent

ln(e {}^{ \frac{1}{11} } )

Apply Log of Power rule

\frac{1}{11}  ln(e)

Natural log of e is 1 so

\frac{1}{11}  \times 1 =  \frac{1}{11}

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Convert 12.3 liters to milliliters
kifflom [539]

Answer:

12300 militers

Step-by-step explanation:

1 milileter = .001 liter

12.3 liters = 100 x 12.3

7 0
3 years ago
What is the arc measure of BDC in degrees?<br> (4k + 159)<br> P<br> (2k + 153)
andre [41]
<h2>Explanation:</h2><h2></h2>

The diagram is missing but I'll assume that the arc BDC is:

(4k + 159)^{\circ}

And another arc, let's call it FGH. measures:

(2k + 153)^{\circ}

If those arc are equal, then this equation is true:

(4k + 159)^{\circ}=(2k + 153)^{\circ} \\ \\ (4k + 159)=(2k + 153) \\ \\ \\ Solving \ for \ k: \\ \\ 4k-2k=153-159 \\ \\ 2k=-6 \\ \\ k=-\frac{6}{2} \\ \\ k=-3

Substituting k into the first equation:

\angle BDC=(4(-3)+159)^{\circ} \\ \\ \angle BDC=(-12+159)^{\circ} \\ \\ \boxed{\angle BDC=147^{\circ}}

3 0
3 years ago
Read 2 more answers
8) x - 5y = -15<br> x - 2y = -12
Alex787 [66]

Answer:

If solving for X. (didn't know if you were solving for X or Y.

x=2y-12

x=5y-15

Step-by-step explanation:

x-2y=-12

+2y on both sides

x=2y-12

x-5y=-15

+5y on both sides

x=5y-15

6 0
3 years ago
Read 2 more answers
Determine the value c so that each of the following
Levart [38]
This can help you

a) since it is discrete we need to think about the sum thing it it was continuous we would look at an integral thing so I think if I remember correctly we need to find c such that <span><span>∑<span>i=0</span>3</span>c(<span>x2</span>+4)=1
b) </span> problem b is a similar setup


4 0
3 years ago
Boris choos three diffrent numbers.the sum of the three numbers is 36.One of trh numbers is a cube number.the other two number a
inna [77]

Answer:

4,5,27

Problem:

Boris chose three different numbers.

The sum of the three numbers is 36.

One of the numbers is a perfect cube.

The other two numbers are factors of 20.

Step-by-step explanation:

Let's pretend those numbers are:

a,b, \text{ and } c.

We are given the sum is 36: a+b+c=36.

One of our numbers is a perfect cube. a=n^3 where n is an integer.

The other two numbers are factors of 20. bk=20 and ci=20 where a,c,i, \text{ and } k \text{ are integers}.

n^3+\frac{20}{k}+\frac{20}{i}=36

From here I would just try to find numbers that satisfy the conditions using trial and error.

3^3+\frac{20}{2}+\frac{20}{2}

27+10+10

47

3^3+\frac{20}{4}+\frac{20}{5}

27+5+4

36

So I have found a triple that works:

27,5,4

The numbers in ascending order is:

4,5,27

4 0
3 years ago
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