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elixir [45]
3 years ago
12

How to do this?

Mathematics
1 answer:
Mandarinka [93]3 years ago
7 0
This equation uses two properties of logarithms:

\ln(g^x) = x \ln(g)

\ln(a) + \ln(b) = \ln(ab)

So you could take the ln from left and right hand side in the equation, and get:

(2-x)ln 3 = x ln 5

then

2 ln 3 - x ln 3 - x ln 5 = 0 =>

x(ln 3 + ln 5) = 2 ln 3

so x = 2 ln 3 / (ln3 + ln5)

Now using the 1st property you can say 2 ln 3 is ln 3² = ln9
and using the 2nd property you can say ln3 + ln5 = ln15

so x= ln9 / ln15


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Name 3 things you would want to know about skin diseases/disorders?<br> PLEASE HELP
Gelneren [198K]

Answer:

Some skin disorders, like contact dermatitis, are temporary and relatively ... We'll help you identify common skin disorders, explain some treatment ... Here is a list of 25 with pictures. ... from the face down the body three to five days after first symptoms appear ... But what if they're actually a sign of an underlying condition.

Step-by-step explanation:

3 0
2 years ago
George earns a salary of $84,500 per year. He gets a paycheck every other Friday. What is the amount of each check?
oksano4ka [1.4K]
On average he will earn: $ 84 500 / 24 = 3520.83333 US. dollars = $3520.83333 ~ $3500.00.
6 0
3 years ago
What is (-7)^3 / (-7)^4 simplified? Can you walk me through the steps?
Brilliant_brown [7]

Answer:

(-7)∧-1

Step-by-step explanation:

(-7)^3 / (-7)^4  

taking each and simplifing it

-7³ = -7 x -7 x -7

(-7)∧4 = -7 x -7 x -7 x -7

(-7)^3 / (-7)^4  = (-7 x -7 x -7 ) / ( -7 x -7 x -7 x -7) = 1/-7

1/-7 ( 1/ means raise to power -1)

1/-7 = (-7)∧-1

7 0
3 years ago
Last question from this huge packet (more than 20 questions). Will somebody help me please. I have Science to do after this.
brilliants [131]
The correct answer is D
8 0
3 years ago
Read 2 more answers
What is the following sum? 2 (RootIndex 3 StartRoot 16 x cubed y EndRoot) 4 (RootIndex 3 StartRoot 54 x Superscript 6 Baseline y
san4es73 [151]

Equivalent expressions are expressions that have the same value, and can be used interchangeably.

The result of the sum 2 (\sqrt[3]{16x^3y})  + 4 (\sqrt[3]{54x^6y^5}) is 4x\sqrt[3]{2y}  + 8x^2y\sqrt[3]{2y^2})

The expression is given as:

2 (\sqrt[3]{16x^3y})  + 4 (\sqrt[3]{54x^6y^5})

Rewrite the expression as:

2 (\sqrt[3]{16x^3y})  + 4 (\sqrt[3]{54x^6y^5}) = 2 (\sqrt[3]{2^4x^3y})  + 4 (\sqrt[3]{3^3 \times 2x^6y^5})

Evaluate the roots

2 (\sqrt[3]{16x^3y})  + 4 (\sqrt[3]{54x^6y^5}) = 2 (2x\sqrt[3]{2y})  + 4 (3x^2y\sqrt[3]{2y^2})

Open the brackets

2 (\sqrt[3]{16x^3y})  + 4 (\sqrt[3]{54x^6y^5}) = 4x\sqrt[3]{2y}  + 12x^2y\sqrt[3]{2y^2})

The above expression cannot be further simplified.

Hence, the result of the sum 2 (\sqrt[3]{16x^3y})  + 4 (\sqrt[3]{54x^6y^5}) is 4x\sqrt[3]{2y}  + 8x^2y\sqrt[3]{2y^2})

Read more about equivalent expressions at:

brainly.com/question/2972832

7 0
2 years ago
Read 2 more answers
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