Failed my elementary statistics college class, 1st semester, can i retake the same class? or no

Mathematics

2 answers:

Helga [31]3 years ago

4 0

Answer:

I think you can

Step-by-step explanation:

Nina [5.8K]3 years ago

3 0

Answer:

I think you can take it in the next semester

Step-by-step explanation:

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A classroom has the dimensions shown the dimensions are the length which is 9.1 the width which is 10.3 and the height which is

melisa1 [442]

Area is 93.73

Volume is 299.36

Area of all 4 walls is 116.48

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3 years ago

Suppose that the equation V = 5x2 60x + 8000 represents the value of

umka21 [38]

Sorry I can’t buddy........................................................:(

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3 years ago

2. Given that a = 7, b = 5 and c = 5. Find the square root of 3a + 2b + c

ollegr [7]

Step-by-step explanation:

$3a + 2b + c = 3(7) + 2(5) + 5 \\ = 21 + 10 + 5 \\ = 36 \\ \sqrt{3a + 2b + c} = \sqrt{36} \\ = 6$

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3 years ago

∫(cosx) / (sin²x) dx

kirza4 [7]

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

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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

Which of the following is not an ordered pair from the function f(x) = -3x + 4?

gtnhenbr [62]

Answer: D

Explanation: For this problem you can substitute f(x) and x for 21 and -6 respectively.

Thus, we have 21=-3(-6)+4

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3 years ago