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2 years ago

I will give brainliest!

Mathematics

2 answers:

MakcuM [25]2 years ago

6 0

Answer:

yesss

Step-by-step explanation:

mash [69]2 years ago

4 0

Answer:

<h2>answer is A i took the test</h2>

Step-by-step explanation:

<h2>8,590 − 4,586 = 4,004</h2><h2>2 x (8,590 − 4,586) is 8,008 so its half</h2><h2> ur welcome give brainliest plz</h2>

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Use logarithmic differentiation to find the derivative of the function. y = x2cos x Part 1 of 4 Using properties of logarithms,

Arisa [49]

ANSWER

${y}^{'} = 2x \cos(x) - {x}^{2} \sin(x)$

EXPLANATION

The given function is

$y = {x}^{2} \cos(x)$

We take natural log of both sides;

$ln(y) = ln({x}^{2} \cos(x) )$

Recall and use the product rule of logarithms.

$ln(AB) = ln(A ) + ln(B)$

This implies that:

$ln(y) = ln({x}^{2} ) + ln( \cos(x) )$

$ln(y) = 2 ln({x} ) + ln( \cos(x) )$

We now differentiate implicitly to obtain;

$\frac{ {y}^{'} }{y} = \frac{2}{x} - \frac{ \sin(x) }{ \cos(x) }$

Multiply through by y,

${y}^{'} = y( \frac{2}{x} - \frac{ \sin(x) }{ \cos(x) ) })$

Substitute y=x²cosx to obtain;

${y}^{'} = {x}^{2} \cos(x) ( \frac{2}{x} - \frac{ \sin(x) }{ \cos(x) ) } )$

Expand:

${y}^{'} = 2x \cos(x) - {x}^{2} \sin(x)$

7 0

2 years ago

3. If 2x +9 32, then x could be<br> 11.5?

kvv77 [185]

2x+9= 32
2x= 32-9
2x= 23
x= 23:2
x= 11.5

6 0

2 years ago

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Please help me with this question!! fast

lilavasa [31]

The answer would have to be B because of the pi.

4 0

2 years ago

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Find two numbers if their sum is 91 and the ratio is 6:7.

Oduvanchick [21]

6:7....added = 13

6/13(91) = 564/13 = 42
7/13(91) = 637/13 = 49

ur 2 numbers are : 42 and 49

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2 years ago

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Describe a sequence of translations, rotations, and reflections that takes Polygon P to Polygon Q.

MaRussiya [10]

Answer:

TRAIN TRACKS!!!!

Step-by-step explanation:

on edge

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2 years ago