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Rom4ik [11]
2 years ago
5

What is the true solution to the equation below? In e^in x + in e^in x^2 = 2 in 8

Mathematics
2 answers:
wlad13 [49]2 years ago
8 0

Answer: OPTION B - X=4

Step-by-step explanation:

mariarad [96]2 years ago
5 0
To solve the given equation, w need to review some rules:
(1) \ ln \ e = 1 \\ 
(2) \ ln \  b^{a} = a*ln \ b \\
(3) \ ln \ a + ln \ b = ln \ (ab) \\
(4) \ ln \ a - ln \ b = ln \  \frac{a}{b}  \\

The given equation is :
ln \  e^{ln \ x} + ln \  e^{ln \  x^{2}} = 2 \ ln \ 8
ln \ x * ln \ e + ln \  x^{2} * ln \ e = 2 \ ln \ 8  ⇒⇒⇒⇒ rule (2)
ln \ x + ln \  x^{2} = ln \  8^{2}  ⇒⇒⇒⇒ rule (1) and rule (2)

ln \ ( x*  x^{2} ) = ln \ 64          ⇒⇒⇒⇒ rule (3)
removing the nature logarithm from both sides

x^{3} = 64 =  4^{3}
∴ x = 4


So, the correct answer is option (2) ⇒⇒⇒⇒ x = 4


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R/10+4=5 Can you help me balance the equation to simply? Thanks!
Dominik [7]

Subtract 4 from both sides

R/10 = 5 - 4

Simplify 5 - 4 to 1

R/10 = 1

Multiply both sides by 10

R = 1 × 10

Simplify 1 × 10 to 10

<u>R = 10</u>

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3 years ago
A truck and a car go at the same time against each other from two cities, which are at a distance of 400 km from each other. If
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7 0
2 years ago
Use the figure.<br> What is the measure of angle 2?
zhuklara [117]

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3x+9

Step-by-step explanation:

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3 0
3 years ago
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PLS HELP ASAP STUMPED ON THIS ONE!!!!!!!<br><br><br>?/? ÷ 5 = 12/50
Svet_ta [14]

Answer:

6/5 or 1.2


Step-by-step explanation:

you can solve with an equation:

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8 0
3 years ago
Why is 6 is greater than 5/8 but less than 70
AnnyKZ [126]
6 is a whole number and 5/8 is a fraction
Fractions are parts of a whole number
So a fraction is smaller than any whole number
Thats why 6 is greater than 5/8
6 is a number that is in the ones place
Once the ones place is full up the number 9 and is about to go to 10 it goes to the tens place
So anything that is in the tens place is greater than a number in the ones place
6 is in the ones place
70 is in the tens place
Thats why 6 is less than 70
5 0
3 years ago
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