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3 years ago

Estimate the quotient to the nearest whole number by using compatible numbers. 14.991 divided 5.3

Mathematics

2 answers:

oksano4ka [1.4K]3 years ago

7 0

It would be,8.0.

Hope that helps.

IrinaVladis [17]3 years ago

4 0

The answer is 8 i believe

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Which of the answer choices is a number between -1 and -2? -1.2 -2.01 -0.99 -0

Harman [31]

The answer is A. 1.2

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2 years ago

Mr.Brown is creating examples of systems of equations. He completes the steps to find the solution of the equation below. Based

julia-pushkina [17]

Answer:

infinitely many solutions

Step-by-step explanation:

0 = 0 ← is a true statement.

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3 years ago

(How do I solve 1/3)^4

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2 years ago

Read 2 more answers

∫(cosx) / (sin²x) dx

kirza4 [7]

If you're using the app, try seeing this answer through your browser: brainly.com/question/2822772

_______________

Evaluate the indefinite integral:

$\mathsf{\displaystyle\int\! \frac{cos\,x}{sin^2\,x}\,dx}\\\\\\
=\mathsf{\displaystyle\int\! \frac{1}{(sin\,x)^2}\cdot cos\,x\,dx\qquad\quad(i)}$

Make the following substitution:

$\mathsf{sin\,x=u\quad\Rightarrow\quad cos\,x\,dx=du}$

and then, the integral (i) becomes

$=\mathsf{\displaystyle\int\! \frac{1}{u^2}\,du}\\\\\\
=\mathsf{\displaystyle\int\! u^{-2}\,du}$

Integrate it by applying the power rule:

$\mathsf{=\dfrac{u^{-2+1}}{-2+1}+C}\\\\\\
\mathsf{=\dfrac{u^{-1}}{-1}+C}\\\\\\
\mathsf{=-\,\dfrac{1}{u}+C}$

Now, substitute back for u = sin x, so the result is given in terms of x:

$\mathsf{=-\,\dfrac{1}{sin\,x}+C}\\\\\\
\mathsf{=-\,csc\,x+C}$

$\therefore~~\boxed{\begin{array}{c}\mathsf{\displaystyle\int\! \frac{cos\,x}{sin^2\,x}\,dx=-\,csc\,x+C} \end{array}}\qquad\quad\checkmark$

I hope this helps. =)

Tags: indefinite integral substitution trigonometric trig function sine cosine cosecant sin cos csc differential integral calculus

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3 years ago

two person A and B spent a total of pkr 486 .Person A spent twice as much money as person B. How much money did person A spend

Phoenix [80]

9514 1404 393

Answer:

pkr 324

Step-by-step explanation:

Person A spent 2/3 of the total money spent, so ...

(2/3)(pkr 486) = pkr 324 . . . spent by person A

8 0

2 years ago