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juin [17]
3 years ago
7

Please help with number 3 above!!! Please any help!

Mathematics
1 answer:
rjkz [21]3 years ago
7 0
By looking at this question my best bet is The third one.
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Find a power series for the function, centered at c. f(x) = 1 9 − x , c = 4 f(x) = [infinity] n = 0 Incorrect: Your answer is in
Wewaii [24]

Looks like the given function is

f(x)=\dfrac1{9-x}

Recall that for |<em>x</em>| < 1, we have

\displaystyle\frac1{1-x}=\sum_{n=0}^\infty x^n

We want the series to be centered around x=4, so first we rearrange <em>f(x)</em> :

\dfrac1{9-x}=\dfrac1{5-(x-4)}=\dfrac15\dfrac1{1-\frac{x-4}5}

Then

\dfrac1{9-x}=\displaystyle\frac15\sum_{n=0}^\infty\left(\frac{x-4}5\right)^n

which converges for |(<em>x</em> - 4)/5| < 1, or -1 < <em>x</em> < 9.

4 0
4 years ago
In the figure above, if a:b:c = 3:4:1, what is the value of a?
Darina [25.2K]

Answer:

30

Step-by-step explanation:

The line is divided up into 3 parts, a part of 3, a part of 4, and a part of 1.  If we had those parts together we get 8 meaning if we divided the line into equal parts that also fit into a, b, and c there would be 8.  We can than divide the line into 8 parts which would be 10 each since a line is 180 degrees.  Since a is 3 than a gets 3 of those parts meaning a would be 30

I hope this helps and please don't hesitate to ask if there is anything still unclear!

7 0
3 years ago
Read 2 more answers
What is 14/49 in its simplest form???
Virty [35]

Answer:2/7

Step-by-step explanation: 14 divided by 2 equals 7 and 49/7 equals 7 which means 7 is your GCF because seven going into both numbers

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4 years ago
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7(y+1/3) should be if.
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An ice sculpture measures 52 inches and melts continuously by 3% per minute. Fine the height
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Sorry I need to ask more questions
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3 years ago
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