3 years ago

PLZ HELP PLZ HELP THANK YOU

Mathematics

2 answers:

Leviafan [203]3 years ago

8 0

Should explain everything here
I just need points

Kaylis [27]3 years ago

5 0

Answer:

option C is a the right answer ...

plz mark my answer as brainlist plzzzz vote me also so

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<img src="https://tex.z-dn.net/?f=%20%5Cint%20%5Cfrac%7Bdx%7D%7Bxln%5E%7Bp%7Dx%20%7D" id="TexFormula1" title=" \int \frac{dx}{xl

Eva8 [605]

Substitute $u=\ln x$ , so that $\mathrm du=\dfrac{\mathrm dx}x$ . The integral is then equivalent to

$\displaystyle\int\frac{\mathrm dx}{x\ln^px}=\int\frac{\mathrm du}{u^p}=\begin{cases}\dfrac{u^{p+1}}{p+1}+C&\text{for }p\neq1\\\\\ln|u|+C&\text{for }p=1\end{cases}$

Then transforming back to $x$ gives

$\displaystyle\int\frac{\mathrm dx}{x\ln^px}=\begin{cases}\dfrac{\ln^{p+1}x}{p+1}+C&\text{for }p\neq1\\\\\ln|\ln x|+C&\text{for }p=1\end{cases}$

4 0

3 years ago

A family pays $21.99 each month for its long distance phone service. This is 80% of the original price of the phone service. Wha

gladu [14]

Answer:

The original price of the phone service is $27.49.

Step-by-step explanation:

With the information provided, you can use a rule of three to find the original price that would represent 100% given that $21.99 represents 80% of that price:

21.99 → 80%

x ← 100%

x=(21.99*100)/80

x=27.49

According to this, the answer is that the original price of the phone service is $27.49.

8 0

3 years ago

Which choice correctly expresses the number below in scientific notation?

DochEvi [55]

Answer:

B. 4.62 x 10^5 is scientific notation of 462000

7 0

4 years ago

What's the area of a sector of a circle that has a diameter of 10 in. if the length of the arc is 10 in.?

Lady_Fox [76]

The answer is 50 Sq In.You are right.Hope it helps and have a good day!

6 0

3 years ago

Can someone help me answer that question

Luden [163]

Answer is the second choice

4 0

3 years ago