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lara [203]
3 years ago
13

If 3 ln(2x+1)=9 then x=

Mathematics
2 answers:
VLD [36.1K]3 years ago
8 0

Answer:

x = 3

Step-by-step explanation:

(2x + 1) = 9

(2*3 + 1) = 9

(6 + 1) = 9

(7)9

63

If you plug in x with 3 to solve the problem to get 63 x = 3



I am Lyosha [343]3 years ago
4 0

Answer:

WEll, three has no place in the equation BUT, X would equal 4 if 3 had no part in the equation. so do not think this is the right answer UNLESS YOU THINK THREE HAS NO PART IN THE EQUATION.

Step-by-step explanation:


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An ordinary (fair) die is a cube with the numbers through on the sides (represented by painted spots). Imagine that such a die i
lana [24]

Answer:

a. 5/12

b. 7/18

Step-by-step explanation:

In this question, we are interested in computing the probabilities.

Firstly, we need to get the sample space of the results. This refer to all possible results that can emerge from the rolling of the two die.

This can be found in the attachment.

What is important to know however is that the total number of possible results is 36;

so let’s compute;

a. For a, let’s circle all sums which are greater than 7 ;

We can see a total of 16 circled sums;

So the probability is 15/36 = 5/12

b. Sum divisible by 4 or 6 or both

Let’s make a circle again ;

So we have a total of 14

So the probability will be 14/36 = 7/18

6 0
4 years ago
How to find the cost C = 15 + 1.33x
Ivan

Answer:

x=0.75187969c-11.27819548

Step-by-step explanation:

Isolate the Variable by dividing each side by Factors that don't contain the Variable.

4 0
3 years ago
1.) Write the slope-intercept form of the equation for the line.
Vinvika [58]

Answer:

Step-by-step explanation:

4 0
4 years ago
The ruby-throated hummingbird has a wing beat of about 200 beats per second. About how many wing beats would a hummingbird have
aleksley [76]
So,
To get how many wingbeats per minute,
200x60=12000 because there are 60 seconds in a minute
To get how many in 3 minutes,
12000x3=36000

Hope I helped!
6 0
4 years ago
Read 2 more answers
find the point-slope equation of the line perpendicular to the line y=2x+5 passing through the point (1,4). (please include solu
pishuonlain [190]
First off, let's keep in mind that perpendicular lines have negative reciprocal slopes, hmmm so what's the slope of y = 2x + 5?

well, notice, that equation is in slope-intercept form, thus   \bf y=\stackrel{slope}{2}x+5.

\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}}
{2\implies \stackrel{slope}{\cfrac{2}{1}}\qquad \qquad \qquad \stackrel{reciprocal}{\cfrac{1}{2}}\qquad \stackrel{negative~reciprocal}{-\cfrac{1}{2}}}

so, we're really looking for the equation of a line whose slope is -1/2 and runs through 1,4.

\bf (\stackrel{x_1}{1}~,~\stackrel{y_1}{4})\qquad \qquad \qquad 
slope =  m\implies -\cfrac{1}{2}
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-4=-\cfrac{1}{2}(x-1)
7 0
3 years ago
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