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3 years ago

11

The derivative of f(x) = e^xinx

1 answer:

aksik [14]3 years ago

4 0

Answer:

e^xsinx · (sinx+xcosx)

Step-by-step explanation:

f'(x)=e^xsinx · (xsinx)'= e^xsinx · (sinx+xcosx)

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Find the sum of the geometric sequence. 1, one divided by two, one divided by four, one divided by eight, one divided by sixteen

igomit [66]

$a_1=1;\ a_2=\dfrac{1}{2};\ a_3=\dfrac{1}{4};\ a_4=\dfrac{1}{8};\ a_5=\dfrac{1}{16};\ ...\\\\d=a_2:a_1\\\\d=\dfrac{1}{2}:1=\dfrac{1}{2}\\\\|d| \ \textless \ 1\ therefore\ the\ sum\ S\ of\ the\ geometric\ sequence\ is\ equal:\\\\S=\dfrac{a_1}{1-q}\\\\subtitute\\\\S=\dfrac{1}{1-\frac{1}{2}}=\dfrac{1}{\frac{1}{2}}=1\cdot\dfrac{2}{1}=2\\\\\\Answer:\boxed{S=2}$

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4 years ago

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1. Which of the following values of n will make the below equation true? n × (−2+5 ) = −8+20

Salsk061 [2.6K]

Answer:

1a 2a

Step-by-step explanation:

n × (−2+5 ) = −8+20

n × 3 = 12

n = 4

2 + (n+6) = −1+6

n + 8 = 5

n = -3

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3 years ago

LOOK AT THE PICTURE PLZ NEED HELP

Sunny_sXe [5.5K]

Answer:

J. 1.26

Step-by-step explanation:

Because it's getting multiplied by 1.26 every year.

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3 years ago

Find c and round to the nearest tenth. thank you in advance

PSYCHO15rus [73]

Answer and Step-by-step explanation:

90ft = a

55ft = b

50ft = c

Plug into equation.

$50^{2} = 90^{2} + 55^{2} - 2(90)(55)cosC\\\\2500 = 11125 - 9900(cosC)\\\\-8625 = -9900(cosC)\\\\0.8712 = cosC\\\\cos^{-1} (0.8712) = C\\\\29.4$

29.4° is the answer.

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3 years ago

6x10 to the 2 power + 45

trasher [3.6K]

Answer:

the answer is 60045

Step-by-step explanation:

the answer is 60000 because 6×10=60×100=60000+45=60045

4 0

3 years ago

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