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german
3 years ago
7

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

single quantity.
4[In(x3 - 1) + 2 In x - In(x - 5)]
Mathematics
1 answer:
yKpoI14uk [10]3 years ago
8 0

Answer:

4ln [\frac{x^2 (x^3-1)}{x-5}]

Step-by-step explanation:

For this case we have the following expression:

4[ln(x^3-1) +2ln(x) -ln(x-5)]

For this case we can apply the following property:

a log_c (b) = log_c (b^a)

And we can rewrite the following expression like this:

2 ln(x) = ln(x^2)

And we can rewrite like this our expression:

4[ln(x^3-1) +ln(x^2) -ln(x-5)]

Now we can use the following property:

log_c (a) +log_c (b) = log_c (ab)

And we got this:

4[ln(x^3-1)(x^2) -ln(x-5)]

And now we can apply the following property:

log_c (a) -log_c (b) = log_c (\frac{a}{b})

And we got this:

4ln [\frac{x^2 (x^3-1)}{x-5}]

And that would be our final answer on this case.

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Plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz help
Effectus [21]

Answer:

x=30

Step-by-step explanation:

because 3 times 30 equal 90 minus 5 is 85

7 0
3 years ago
Joe has one book each for algebra, geometry, history, psychology, Spanish, English and Physics in his locker. How many different
Alisiya [41]

Answer:

There are 35 different sets of 3 books Joe could choose

Step-by-step explanation:

* Lets explain how to solve the problem

- Combination is a collection of the objects where the order doesn't

 matter

- The formula for the number of possible combinations of r objects from

 a set of n objects is nCr = n!/r!(n-r)!

- n! = n(n - 1)(n - 2)................. × 1

Lets solve the problem

- Joe has one book each for algebra, geometry, history, psychology,

 Spanish, English and Physics in his locker

∴ He has <em>seven</em> books in the locker

- He wants to chose <em>three</em> of them

∵ The order is not important when he chose the books

∴ We will use the combination <em>nCr</em> to find how many different sets

  of three books he can choose

- The total number of books is 7

∴ n = 7

∵ He chooses 3 of them

∴ r = 3

∵ 7C3 = 7!/3!(7 - 3)! = 7!/3!(4!)

∴ 7C3=\frac{(7)(6)(5)(4)(3)(2)(1)}{[(3)(2)(1)][(4)(3)(2)(1)]}=35

∴ 7C3 = 35

* There are 35 different sets of 3 books Joe could choose

3 0
3 years ago
X:y=5:3 and x+y=56 work out the value of x-y
Vladimir79 [104]

x - y = 14

given the ratio x : y = 5 : 3

then let x = 5x and y = 3x, hence equation can be expressed as

5x + 3x = 56

8x = 56 ( divide both sides by 8 )

x = 7

Hence x = 5 × 7 = 35 and y = 3 × 7 = 21

Thus x - y = 35 - 21 = 14


6 0
3 years ago
A Reflection<br> B Translation <br> C Rotation<br> D Dilation<br><br> Please need help on this
Vika [28.1K]
This is a rotation obviously lol jk
8 0
3 years ago
Read 2 more answers
Mr. Rives' rotating sprinkler waters his lawn up to a radius of 7 feet. What is the maximum number of square feet of lawn mr. Ri
zaharov [31]

Answer:

Step-by-step explanation:

Mr. Rives' rotating sprinkler waters his lawn up to a radius of 7 feet. The formula for determining the area of a circle is expressed as

Area = πr²

Where

π is a constant whose value is 3.14.

r represents the radius if the circle.

The area covered by one of Mr. Rives' rotating sprinkler would be

3.14 × 7² = 3.14 × 49 = 153.86ft²

Therefore, the maximum area of lawn that two sprinklers can cover would be

153.86 × 2 = 307.72 ft²

3 0
3 years ago
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