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olga55 [171]
3 years ago
13

Ln (1/x)+ln (2x^3)=ln3

Mathematics
1 answer:
Lapatulllka [165]3 years ago
3 0
\ln \frac{1}{x} +\ln2x^3=\ln3
\ln \frac{2x^3}{x} = \ln3
\ln2x^2=\ln3
2x^2=3
x=\sqrt{ \frac{3}{2} }
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please help me I would solve them myself but i have too much work and who ever solves is correctly I will give brainliest and if
mamaluj [8]

Answer:

1. 28

2. -1

3. 136

4. -43

5. -165

6. -58

7. -39.74

8. -50.994

9. -104.6

Step-by-step explanation:

A few simple calculations gives these answers. reply to this if you want work shown.

7 0
3 years ago
Read 2 more answers
4.37) A set of data whose histogram is extremely skewed yields a mean and standard deviation of 70 and 12, respectively. What is
Brums [2.3K]

Answer:

75%

88.89%

Step-by-step explanation:

Given :

Mean = 70

Standard deviation = 12

Since the data is said to be extremely skewed, we apply Chebyshev's theorem rather than the empirical rule :

The minimum proportion of observation between 46 and 94

Chebyshev's theorem :

1 - 1 / k²

k = number of standard deviations from the mean

k = (94 - 70) / 12 = 24 / 12 = 2

Hence, we have ;

1 - 1/2²

1 - 1/4

1 - 0.25 = 0.75

Hence, The minimum proportion of observation between 46 and 94 is 75%

Between 36 and 106 :

k = (106 - 70) / 12 ;

k = 36/12 = 3

Hence,

1 - 1/3² = 1 - 1/9 = 8/9 = 0.8888 = 88.89%

The minimum proportion of observation between 34 and 106 is 88.89%

7 0
2 years ago
Hcf and lcm of 54,18,90
Inessa05 [86]
HCF is 6

That should be your answer

Prayers xx
8 0
3 years ago
G(x)=3^x +1 and f(x)=3x+1 which values of x makes f(x) =g(x) true
fomenos

Answer:

x=1

Step-by-step explanation:

3^x +1

f(x)=3x+1

f(x) =g(x)

3x +1 =3^x +1

Subtract 1 from each side

3x = 3^x

Let x =1

3*1 = 3^1

3=3

5 0
3 years ago
Read 2 more answers
Please help quickly.Thanks :)
Klio2033 [76]
Multiply 2x-5y= -21 by 3 to make it 6x-15y= -63
Multiply 3x-3y= -18 by -5 to make it -15x+15y=90

This cancels the y’s out which leaves us with

6x=-63
&
-15x=90

x for 6x=-63 equals - 10.5 so x is - 10.5 and for -15x=90, x= -6

Then you plug in x into any equation you’d like to find y.

Let’s plug in - 10.5 into 6x... equation.

6(- 10.5)-15y=-63

63-15y= -63
-63 -63

-15y=0
y=0 and x= - 10.5. When you plug in this values it makes the equation true!

But the correct answer is the first one north. Sorry if I’m doing too much hahah


If I’m confusing here’s the right answer...


6x-15y= -63
-15x+15y=90


5 0
2 years ago
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