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4 years ago

Deltamath rate if change

Mathematics

1 answer:

Musya8 [376]4 years ago

5 0

Answer:

do you mean "determine the rate of change " like how to find it ? you have to find slope between the two points on a graph or do you mean table ?

Step-by-step explanation:

hope this helpssss . brainliest ?

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Beverley has quarters and dimes in her pocket. She has 21 coins with a total value of $3.00. How many of each type of coin does

forsale [732]

Answer:

6 quarters and 15 dimes

Step-by-step explanation:

6 quarters = $1.50

15 dimes = $1.50

6 quarters + 15 dimes = $3.00

8 0

3 years ago

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

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

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3 years ago

Why might you need to change the inequality sign when you solve an inequality using algebra tiles?

Allisa [31]

When dividing by a negative number, you switch the signs.

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3 years ago

I need help fast with the first question in the page which is the find algebraically in R

ch4aika [34]

Answer:

2x²+5x-6 = 0

using the quadratic formula

x = 0.886 and x= -3.386

3 0

3 years ago

Which transformations must be applied to object A to place it in the position of object B?

NeX [460]

In order for object A to be placed in the position of object B, there needs to be a rotation and translation.

<h3>How would object A get to object B?</h3>

The first step would be to rotate object A to the left to give it the same orientation as object B.

Then, translate object A to the coordinates of object B. This would lead to object A fitting into object B.

Find out more on translation at brainly.com/question/1046778

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6 0

2 years ago