2 years ago

the function below shows the revenue for the t-shirts. for every $1 decrease in price, 5 more t-shirts can be sold

1 answer:

7 0

I am not sure what your question is asking, but if you are looking for the ratio of the amount decreased to the number of t-shirts sold it's 1:5.

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We must use substitution to do this second integral. We can use the substitution t = 7x, which will give dx = Correct: Your answ

tankabanditka [31]

Answer:

Therefore, the solution is:

$\boxed{\int \sin 7x\, dx=-\frac{\cos 7x}{7}}$

Step-by-step explanation:

We calculate the given integral. We use the substitution t = 7x.

$\int \sin 7x\, dx=\begin{vmatrix} 7x=t\\ 7\, dx=dt\\ dx=\frac{dt}{7} \end{vmatrix}\\\\=\int \sin t \cdot \frac{1}{7}\, dt\\\\=\frac{1}{7}\cdot (-\cos t)\\\\=-\frac{\cos 7x}{7}$

Therefore, the solution is:

$\boxed{\int \sin 7x\, dx=-\frac{\cos 7x}{7}}$

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3 years ago

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Vanyuwa [196]

$\huge\fbox{Hi~there!~:)}$

Let's solve this inequality! :)

Let's start by subtracting 10 from both sides:

$\rm{8x\leq 51-10}$

$\rm{8x\leq 41$

Now, divide both sides by 8:

$x\leq \displaystyle\frac{41}{8}$ (Answer)

Decimal form:

$\rm{5.125}$

I hope you find it helpful.

Feel free to ask if you have any doubts.

$\bf{-MistySparkles^**^*$ here to help

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the function below shows the revenue for the t-shirts. for every $1 decrease in price, 5 more t-shirts can be sold​

the function below shows the revenue for the t-shirts. for every $1 decrease in price, 5 more t-shirts can be sold