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slava [35]
3 years ago
13

you practice the piano for 30 min. each day. Write and solve an equation to find the total time t you spend practicing the piano

in a week.
Mathematics
2 answers:
Tom [10]3 years ago
7 0
Lets get all the information we need first.
A week has 7 days, you practice 30 min each day, so in a week you will practice a total time t of 30 min for 7 times, that is:
t = 7day(30 min/day)
t = 210 min
So in a week you will practice a total of 210 minutes.
hoa [83]3 years ago
7 0
There are 7 days a week, and you spend 30 minutes each day practicing
T = Time spend studying
30 * 7 = T

T = 210 minutes studying!
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Step-by-step explanation:

Note: This question is not complete. The complete question is therefore provided before answering the question as follows:

Determine the values of x for which the function can be replaced by the Taylor polynomial if the error cannot exceed 0.001. f(x) = e^x ≈ 1 + x + x²/2! + x³/3!, x < 0

The explanation of the answer is now provided as follows:

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f(x) = e^x ≈ 1 + x + x²/2! + x³/3!, x < 0 …………….. (1)

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(e^z /4!)x^4 < 0.0001 ………………………………….. (2)

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e^4x^4 < 0.024 ……………………….......……………. (4)

Taking 4th root of both sided of equation (4), we have:

|xe^(z/4) < 0.3936 ……………………..........…………(5)

Dividing both sides of equation (5) by e^(z/4) gives us:

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