All categories

3 years ago

Will rate you brainliest

Mathematics

2 answers:

irinina [24]3 years ago

6 0

Answer:

third option is the first step

JulsSmile [24]3 years ago

5 0

Answer:

Step-by-step explanation:

It is c bro

You might be interested in

At a restaurant, your bill has a food total of $45.50. Find the amount of an 18% tip on the food total.

oksano4ka [1.4K]

$53.69

45.50+8.19 (45.50 times 18%)=$53.69

8 0

3 years ago

Read 2 more answers

Evaluate the integral by changing to polar coordinatesye^x dA, where R is in the first quadrant enclosed by the circle x^2+y^2=2

34kurt

$\displaystyle\iint_Rye^x\,\mathrm dA=\int_{\theta=0}^{\theta=\pi/2}\int_{r=0}^{r=5}r^2\sin\theta e^{r\cos\theta}\,\mathrm dr\,\mathrm d\theta$

which follows from the usual change of coordinates via

$\begin{cases}\mathbf x(r,\theta)=r\cos\theta\\\mathbf y(r,\theta)=r\sin\theta\end{cases}$

and Jacobian determinant

$|\det J|=\left|\begin{vmatrix}\mathbf x_r&\mathbf x_\theta\\\mathbf y_r&\mathbf y_\theta\end{vmatrix}\right|=|r|$

Swap the order, so that the integral is

$\displaystyle\int_{r=0}^{r=5}\int_{\theta=0}^{\theta=\pi/2}r^2\sin\theta e^{r\cos\theta}\,\mathrm d\theta\,\mathrm dr$

and now let $\sigma=r\cos\theta$ , so that $\mathrm d\sigma=-r\sin\theta$ . Now, you have

$\displaystyle\int_{r=0}^{r=5}\int_{\sigma=0}^{\sigma=r}re^\sigma\,\mathrm d\sigma\,\mathrm dr=\int_{r=0}^{r=5}r(e^r-1)\,\mathrm dr=4e^5-\dfrac{23}2$

7 0

3 years ago

How many digits you need to write all 3 digit numbers

7nadin3 [17]

Answer: 720

Step-by-step explanation: if what you want are all possible three digit numbers with no repetition of the digits then you have 10 choices for the first digit, you have 9 choices for the 2nd digit, and you have 8 choices for the 3rd digit giving you 10x9x8 = 720 in all.

8 0

3 years ago

Which binomial is a factor of 9x^2+ 24xy + 16y^2

TEA [102]

Trinomial hope I helped

4 0

3 years ago

Dana recorded a temperature drop of 20 and a second temperature drop of 30. What is the total change in temperature

melisa1 [442]

Answer: the answer will be 10

Step-by-step explanation: Because you are subtracting 30-20 since it says what is the total change in the temperature. do you undeerstand now?

4 0

3 years ago

Read 2 more answers