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Ber [7]
3 years ago
9

Express as a single natural logarithm. ln 2 + ln 8 - ln 4

Mathematics
2 answers:
ch4aika [34]3 years ago
5 0
<h2>skip to answer 6</h2>

Answers To The Whole Assignment

1. middle graph

2. middle graph

3.  in e^3 = 3, in e^2y=2y

4. in e^ln1=1, in e^ln5x=5x

5. A. In2

6.  A. In4

7. B. ln a + 2 ln b  C. ln a2 + ln b2 - ln a E. ln ab2

8. C. ln 25x + ln 1  D. ln 25x

9. In 3x= in3+ln x= in In 2a/b= In2+ln a-lnb

10. A. 4 ln 2 + 4 ln x B. ln 4 - 2 ln x + 5 ln y

11. A. x=5 B. x=6

12. C. {8} B. {3}

13.  5

14. Since 0 in ln(3x) - 0 is not a logarithm, the  property of logarithms cannot be used here.The difference shown cannot be written as a quotient of logarithms.The step ln(x2) = ln(3x) - (0) reduces to 

ln(x2) = ln(3x).The possible solutions are 0 and 3, with 0 being extraneous.

MArishka [77]3 years ago
5 0

Answer:

ln 4

Step-by-step explanation:

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Which of the following sets of data fits the box and whisker plot
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1) re-write them from smaller to greater. After having rearrange them, we find that the 1st sequence: 1,1.2,2,2,3,5,6,6,7,10 is the one that fits. Why?
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4 years ago
<img src="https://tex.z-dn.net/?f=%28%20-%207x%20%2B%201%29%20-%20%284x%20%2B%205%29" id="TexFormula1" title="( - 7x + 1) - (4x
riadik2000 [5.3K]

Answer:

-11x-4 is the answer if the expression to simplify is (-7x+1)-(4x+5).

Step-by-step explanation:

We are first going to distribute to get rid of the ( ):

-7x+1-4x-5

Pair up like terms:

-7x-4x+1-5

Combine the like terms:

-11x-4

3 0
3 years ago
3. Why do cube roots of negative numbers exist in the set of real numbers,
Paladinen [302]

Answer:

  C. The square root of a number, positive or negative, is always positive. However, the cube of a negative number is negative.

Step-by-step explanation:

Of the choices offered, the one shown above is the only one that remotely makes any sense. Its description of square roots is erroneous, however.

The square root of a number n is the solution to the equation ...

  x² = n

The function f(x) = x² has a range that only includes non-negative numbers, so the square root of a negative number does not exist. (Your answer choice says it is positive. It is actually non-existent among real numbers.)

On the other hand, the cube root of a number n is the solution to the equation ...

  x³ = n

Since f(x) = x³ has a range that includes all real numbers, the cube root of n exists for all real numbers. (It is negative for negative values of n.)

_____

<em>Comment on answer wording</em>

The answer wording would be correct if the word "root" were left out.

3 0
3 years ago
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What is the result if you divide –12x8y8 by 3x4y2?
krok68 [10]
<span>When dividing two numbers with the same base but with different powers, you subtract the second power from the first and keep the base. So in our case, -12*x^8*y^8 / 3*x^4*y^2 = -4*x^4*y^6. The correct answer is d.</span>
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3 years ago
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