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3 years ago

MY LAST QUESTION PLEASE HURRY, SORRY FOR RUSHING BY THE WAY

Mathematics

1 answer:

77julia77 [94]3 years ago

6 0

Answer:40

Step-by-step explanation:

dividing 1200 by 600 is 2

so you would do the same for 80

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Find the first partial derivatives of the function f(x,y,z)=4xsin(y−z)

Amanda [17]

Answer:

$f_x(x,y,z)=4\sin (y-z)$

$f_x(x,y,z)=4x\cos (y-z)$

$f_z(x,y,z)=-4x\cos (y-z)$

Step-by-step explanation:

The given function is

$f(x,y,z)=4x\sin (y-z)$

We need to find first partial derivatives of the function.

Differentiate partially w.r.t. x and y, z are constants.

$f_x(x,y,z)=4(1)\sin (y-z)$

$f_x(x,y,z)=4\sin (y-z)$

Differentiate partially w.r.t. y and x, z are constants.

$f_y(x,y,z)=4x\cos (y-z)\dfrac{\partial}{\partial y}(y-z)$

$f_y(x,y,z)=4x\cos (y-z)$

Differentiate partially w.r.t. z and x, y are constants.

$f_z(x,y,z)=4x\cos (y-z)\dfrac{\partial}{\partial z}(y-z)$

$f_z(x,y,z)=4x\cos (y-z)(-1)$

$f_z(x,y,z)=-4x\cos (y-z)$

Therefore, the first partial derivatives of the function are $f_x(x,y,z)=4\sin (y-z), f_x(x,y,z)=4x\cos (y-z)\text{ and }f_z(x,y,z)=-4x\cos (y-z)$ .

4 0

4 years ago

The length of PQ is<br> The midpoint of PQ is m(_,_)

nordsb [41]

What first of all this is a test second how are we supposed to do that where can we find M

7 0

4 years ago

Rewrite the fraction 1/6 as a division expression with the same numbers.

laila [671]

9514 1404 393

Answer:

1 ÷ 6

Step-by-step explanation:

1/6 <em>is</em> a division expression. It means "one divided by six."

The slash (/) can be replaced by the "divided by" symbol (÷), if you like.

1/6 = 1 ÷ 6 . . . . means "one divided by six"

8 0

3 years ago

The sequence -20,-18 -16 -14 is

rjkz [21]

Answer:

linear

Step-by-step explanation:

To complete the sentence:

because it has a continuous jumps of +2

7 0

3 years ago

Question 12 of 12 (1 point) | Question Attempti 1 of Unlimited

vazorg [7]

Answer:

what?..

Step-by-step explanation:

4 0

3 years ago