All categories

2 years ago

Help me pls :( I don't understand it!!

Mathematics

1 answer:

stepladder [879]2 years ago

6 0

Watch mr morgan math I do the same math book as u. Search the grade and unit. He really good at explaining. I hope this helps.

You might be interested in

Can somebody help plz

Evgen [1.6K]

Answer:

(3,2)

Step-by-step explanation:

the other three ordered pairs do not lie in the shaded region

6 0

2 years ago

Read 2 more answers

Joannie lent 200$ to her sister. Four years later, her sister repaid her in full with 228$. What a simple annual interest rate d

tatiyna

I believe the interest world be 3.5%

6 0

2 years ago

Read 2 more answers

3(-2 - x) in simplified expression

Drupady [299]

Answer: -6-3x

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Use the surface integral in Stokes' Theorem to calculate the circulation of the field Bold Upper F equals x squared Bold i plus

Alinara [238K]

Answer:

The circulation of the field f(x) over curve C is Zero

Step-by-step explanation:

The function $f(x)=(x^{2},4x,z^{2})$ and curve C is ellipse of equation

$16x^{2} + 4y^{2} = 3$

Theory: Stokes Theorem is given by:

$I= \int \int\limits {{Curl f\cdot \hat{N }} \, dx$

Where, Curl f(x) = $\left[\begin{array}{ccc}\hat{i}&\hat{j}&\hat{k}\\\frac{∂}{∂x} &\frac{∂}{∂y} &\frac{∂}{∂z} \\F1&F2&F3\end{array}\right]$

Also, f(x) = (F1,F2,F3)

$\hat{N} = grad(g(x))$

Using Stokes Theorem,

Surface is given by g(x) = $16x^{2} + 4y^{2} - 3$

Therefore, tex]\hat{N} = grad(g(x))[/tex]

$\hat{N} = grad(16x^{2} + 4y^{2} - 3)$

$\hat{N} = (32x,8y,0)$

Now, $f(x)=(x^{2},4x,z^{2})$

Curl f(x) = $\left[\begin{array}{ccc}\hat{i}&\hat{j}&\hat{k}\\\frac{∂}{∂x} &\frac{∂}{∂y} &\frac{∂}{∂z} \\F1&F2&F3\end{array}\right]$

Curl f(x) = $\left[\begin{array}{ccc}\hat{i}&\hat{j}&\hat{k}\\\frac{∂}{∂x} &\frac{∂}{∂y} &\frac{∂}{∂z} \\x^{2}&4x&z^{2}\end{array}\right]$

Curl f(x) = (0,0,4)

Putting all values in Stokes Theorem,

$I= \int \int\limits {Curl f\cdot \hat{N} } \, dx$

$I= \int \int\limits {(0,0,4)\cdot(32x,8y,0)} \, dx$

I=0

Thus, The circulation of the field f(x) over curve C is Zero

3 0

3 years ago

A raffle. How many tickets will each pe

makkiz [27]

72 / 3 = 24
So the answer would be 24 hours

3 0

2 years ago