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valentina_108 [34]
2 years ago
12

What is the value of log 13? Use a calculator. Round your answer to the nearest tenth. 0.1 0.3 1.1 2.6

Mathematics
2 answers:
Kazeer [188]2 years ago
8 0
A logarithm is defined as a power to which a number must be raused to in order to get another number. For example,
log_{2}(8) = 3
This is because
{2}^{3} = 8
So if we have
log(13) = x
We have to determine what number must 10 be raised to in order to give 13 so we have
log(13) = 1.11394 \\  {10}^{1.11394} = 13
andriy [413]2 years ago
3 0
<h2>Answer:</h2>

<u>Log of 13 is 1.1</u>

<h2>Step-by-step explanation:</h2>

To find the log of any number with the help of calculator we simply enter the number from the buttons and then press the button which is labeled as log. The result is shown on the screen. Sometimes there are calculators that need the value to be entered after the log button is pressed. So if we find the log of 13, it comes out to be 1.1394 which by rounding off becomes 1.1 only which is the third choice.

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What are the coordinates of the vertex of y=x²+4x+3?​
Travka [436]

Answer:

(-2, -1).

Step-by-step explanation:

y = x² + 4x + 3

Completing the square:

y = (x + 4/2)^2 - (4/2)^2 + 3

y = (x + 2)^2 - 4 + 3

y = (x + 2)^2 - 1.

This is vertex form and the coordinates of the vertex are (-2, -1).

4 0
3 years ago
( simultaneous equations)
daser333 [38]

Answer:

See method below.

Step-by-step explanation:

m/n + n/3 = 2

2/m + n = 4    

First  eliminate the fractions by multiplying the first equation by 3n:-

3m + n^2 = 6n...........(1)

and the second equation by m:-

2 + mn = 4m..............(2)

Now we solve using substitution:-

From equation  (2):-

4m - mn = 2

m = 2 / (4 - n)

Now substitute for m in equation (1):-

6/ (4 - n) + n^2 = 6n

6 + n^2(4 - n) = 6n(4 - n)

6 + 4n^2 - n^3 = 24n - 6n^2

n^3 - 10n^2 + 24n - 6 = 0

This will not factor so we could solve this using graphical software.

To find the values of the variable m we substitute the found values of n into one of the original equations and solve for m.






6 0
3 years ago
Write an equation in slope intercept form for the line with slope -2/3 and y-intercept -5
dalvyx [7]

Answer:

y =  -  \frac{2}{3} x  - 5

Step-by-step explanation:

slope intercept form is y =mx+b

m is the slope

b is the y intercept

if you have any questions feel free to ask :)

4 0
3 years ago
HELP ASAP PLEASE
Maurinko [17]

Answer:

It is b

Step-by-step explanation:

I did the assignment

5 0
2 years ago
Read 2 more answers
A 16. in piece of string is 40....
andreyandreev [35.5K]

Answer:

106.68 cm long

Step-by-step explanation:

Let's use a ratio:

inch : centimeters

 16   :     40.64

  1    :      2.54

 42  :    106.68

The ribbon would be 106.68 cm long.

3 0
3 years ago
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