3 years ago

The value of my coins if I have p pennies, n nickels, and twice as many quarters as pennies.

Mathematics

1 answer:

34kurt3 years ago

3 0

Answer:

Answer

Hi soo where is ur question

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Answer quickly please <3

sertanlavr [38]

Answer:

x is greater than -5

Step-by-step explanation:

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3 years ago

Juan was in debt to his father$4. He then borrowed $3 from his father for lunch. What integer represents Juan's debt to his fath

Yanka [14]

The awnser to this problem is either 12 or 7 by using multiplication or addition

4 0

3 years ago

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I need help with? this question. what is 7(-7)+149-56/2=?

Vlad [161]

Answer:

the answer is 22 hope this helps

Step-by-step explanation:

7(-7)= -49

-49+149=100

100-56=44

44/2=22

3 0

2 years ago

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Find the measure of angle BEC.

liubo4ka [24]

Answer:

∠BEC=180°-94° = 86° ig

4 0

2 years ago

If f (n)(0) = (n + 1)! for n = 0, 1, 2, , find the taylor series at a=0 for f.

Pie

Given that $f^{(n)}(0)=(n+1)!$ , we have for $f(x)$ the Taylor series expansion about 0 as

$f(x)=\displaystyle\sum_{n=0}^\infty\frac{(n+1)!}{n!}x^n=\sum_{n=0}^\infty(n+1)x^n$

Replace $n+1$ with $n$ , so that the series is equivalent to

$f(x)=\displaystyle\sum_{n=1}^\infty nx^{n-1}$

and notice that

$\displaystyle\frac{\mathrm d}{\mathrm dx}\sum_{n=0}^\infty x^n=\sum_{n=1}^\infty nx^{n-1}$

Recall that for $|x|$ , we have

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

which means

$f(x)=\displaystyle\sum_{n=1}^\infty nx^{n-1}=\frac{\mathrm d}{\mathrm dx}\frac1{1-x}$
$\implies f(x)=\dfrac1{(1-x)^2}$

5 0

3 years ago