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3 years ago

If 43 photocopies cost $25.80, how much does one photocopy cost

Mathematics

1 answer:

juin [17]3 years ago

8 0

each photocopie cost .60 cents

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a circle is centered on point b. points a, c and d lie on its circumference. if angle abc measures 40 degrees, what does angle a

grigory [225]

Answer:

320 degrees

Step-by-step explanation:

There are 360 degrees in a circle. 360-40=320

3 0

3 years ago

Use the Taylor series you just found for sinc(x) to find the Taylor series for f(x) = (integral from 0 to x) of sinc(t)dt based

Marina CMI [18]

In this question (brainly.com/question/12792658) I derived the Taylor series for $\mathrm{sinc}\,x$ about $x=0$ :

$\mathrm{sinc}\,x=\displaystyle\sum_{n=0}^\infty\frac{(-1)^nx^{2n}}{(2n+1)!}$

Then the Taylor series for

$f(x)=\displaystyle\int_0^x\mathrm{sinc}\,t\,\mathrm dt$

is obtained by integrating the series above:

$f(x)=\displaystyle\int\sum_{n=0}^\infty\frac{(-1)^nx^{2n}}{(2n+1)!}\,\mathrm dx=C+\sum_{n=0}^\infty\frac{(-1)^nx^{2n+1}}{(2n+1)^2(2n)!}$

We have $f(0)=0$ , so $C=0$ and so

$f(x)=\displaystyle\sum_{n=0}^\infty\frac{(-1)^nx^{2n+1}}{(2n+1)^2(2n)!}$

which converges by the ratio test if the following limit is less than 1:

$\displaystyle\lim_{n\to\infty}\left|\frac{\frac{(-1)^{n+1}x^{2n+3}}{(2n+3)^2(2n+2)!}}{\frac{(-1)^nx^{2n+1}}{(2n+1)^2(2n)!}}\right|=|x^2|\lim_{n\to\infty}\frac{(2n+1)^2(2n)!}{(2n+3)^2(2n+2)!}$

Like in the linked problem, the limit is 0 so the series for $f(x)$ converges everywhere.

7 0

3 years ago

What's 9×9(0+1)=??? And please show work

leva [86]

9 x 9( 0+1)=
81(0+1)=
The answer is 81
Hope this helps!
can I pls get a brainleist?

6 0

3 years ago

Read 2 more answers

Which of the following people might want to claim EXEMPT on their W-4

Zina [86]

The person that might want to claim exemption on the W-4 form is John who received money from his internship.

<h3>When can you claim the exemption when filling out the W-4 form?</h3>

This is possible if your income does not derive from:

A salary from a formal job.
Unemployment compensation.
Money from an employer.

<h3>Who can claim the exemption?</h3>

John can likely be exempted because he obtained the money from an internship, which is not a formal job.

Learn more about money in: brainly.com/question/11801782

#SPJ1

4 0

2 years ago

Plz and thank you I need help

suter [353]

Answer:

ummm there is nothing

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers