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anzhelika [568]
3 years ago
7

Can someone help with this question please?

Mathematics
1 answer:
lakkis [162]3 years ago
8 0
I that the answer is A
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How to solve derivative of (sin3x)/x using first principle ​
Leona [35]

\dfrac{d}{dx}(\dfrac{\sin(3x)}{x})

First we must apply the Quotient rule that states,

(\dfrac{f}{g})'=\dfrac{f'g-g'f}{g^2}

This means that our derivative becomes,

\dfrac{\dfrac{d}{dx}(\sin(3x))x-\dfrac{d}{dx}(x)\sin(3x)}{x^2}

Now we need to calculate \dfrac{d}{dx}(\sin(3x)) and \dfrac{d}{dx}(x)

\dfrac{d}{dx}(\sin(3x))=\cos(3x)\cdot3

\dfrac{d}{dx}(x)=1

From here the new equation looks like,

\dfrac{3x\cos(3x)-\sin(3x)}{x^2}

And that is the final result.

Hope this helps.

r3t40

7 0
3 years ago
Read 2 more answers
M(4,2) is the midpoint of RS. the coordinates of S are (6,1) what are the coordinates of r
Marrrta [24]
Coordinates of r is (2,3)
 use the midpoint formula
7 0
3 years ago
Brian irons 2/9 of his his shirt in 3 3/5 Brian irons at a constant rate at this rate hou much of his shirt is ironed each minut
VashaNatasha [74]
(2/9 shirt)/(3 3/5 minute)
= (2/9)/(18/5) shirt/minute
= (2/9)*(5/18) shirt/minute
= 5/81 shirt/minute

5/81 of Brian's shirt is ironed each minute

_____
It will take Brian 16 1/5 minutes to iron his shirt.
8 0
3 years ago
Which data value is farthest from the mean? How far you is this value from the mean? Round to the nearest hundredths. 34,37,48,3
boyakko [2]

Answer:

48; 14.90 or 14.9

Step-by-step explanation:

First you have to take the mean of the data set.

In order to do this, we take the sum of all of the data points and then divide them by the number of values like so...

\frac{34+37+48+32+25+34+35+23+33+30}{10}

The answer to this is 33.1.

Now we have to find the value furthest from this value. In order to do this, we are going to take the highest (48) and the lowest value(23). Then we compare their distance from 33.1. After this, we can tell that 48 is further from 33.1 than 23 is.

Then for the second part, 48-33.1 = 14.90 and that is how far the value is from the mean.

8 0
2 years ago
Pleaseeee answer quickly i need it
Nataly_w [17]
Hiiiiiiiiiiiiiiiiiiiiii
8 0
3 years ago
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