2 years ago

The circumference of a circle is divided into twelve equal arcs. The measure of each arc is

1 answer:

3 0

Circumference of a circle = 2πr
It's divided into 12 parts, so each part = 2πr/12 = πr/6

In short, Your Answer would be πr / 6

Hope this helps!

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Factorise y^2-10y+16

KatRina [158]

I hope this helps you

8 0

2 years ago

PLEASE HELP ME I'M STUCK. !! Subtract the polynomials: please please show work!

nikdorinn [45]

Answer: xsquared + 9x - 11

Step-by-step explanation:

7 0

2 years ago

Determine whether or not F is a conservative vector field. If it is, find a function f such that F = ∇f. (If the vector field is

kodGreya [7K]

We're looking for a scalar function $f(x,y)$ such that $\nabla f(x,y)=\vec F(x,y)$ . That is,

$\dfrac{\partial f}{\partial x}=2x-6y$

$\dfrac{\partial f}{\partial y}=-6x+6y-7$

Integrate the first equation with respect to $x$ :

$f(x,y)=x^2-6xy+g(y)$

Differentiate with respect to $y$ :

$-6x+6y-7=-6x+\dfrac{\mathrm dg}{\mathrm dy}\implies\dfrac{\mathrm dg}{\mathrm dy}=6y-7$

Integrate with respect to $y$ :

$g(y)=3y^2-7y+C$

So $\vec F$ is indeed conservative with the scalar potential function

$f(x,y)=x^2-6xy+3y^2-7y+C$

where $C$ is an arbitrary constant.

6 0

2 years ago

-47=x+15 solve the equation

myrzilka [38]

-47 = x + 15
Rearrange it to isolate x:
-47 - 15 = x
-62 = x

5 0

2 years ago

Read 2 more answers

I need help that is simple enough explnation

velikii [3]

Answer:

7 in both boxes

Step-by-step explanation:

In the picture, it shows

4 (x - 3) = 20

and then it shows

4 (x) - 4 (3) = 20

so practically you separate the x and 3 and put them in parentheses and then put a 4 next to both of them.

It should be the same as your question.

7 x (8 - 3)

and then separate 8 and 3 and put a 7 next to both of them.

( 7 x 8) - ( 7 x 3)

Hope it helps and have a great day! =D

~sunshine~

3 0

2 years ago