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3 years ago

Evaluate -19.2 + 87.31 please shoe work!

Mathematics

2 answers:

Alexus [3.1K]3 years ago

7 0

Answer:

68.11

Step-by-step explanation:

Since one number is negative, your equation is basically

87.31 - 19.2= 68.11

Hope I can be brainliest (:

andrew11 [14]3 years ago

6 0

Answer:

the answer is 68.11

Step-by-step explanation:

use symbolab I use it all the time

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

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Answer:

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

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

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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 $f_x(x,y,z)=4\sin (y-z), f_x(x,y,z)=4x\cos (y-z)\text{ and }f_z(x,y,z)=-4x\cos (y-z)$ .

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3 years ago

Realy easy question for soo many points

Art [367]

Answer: 129

Step-by-step explanation:

It is 129 because y is less than 70 so the greatest possible value for that is 69 and z is less than or equal to 60 so 69 + 60 =129

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3 years ago

MULTIPLE CHOICE QUESTION

frosja888 [35]

Answer:

Step-by-step explanation:

11 and 12

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3 years ago

Evaluate -19.2 + 87.31 please shoe work!​

Evaluate -19.2 + 87.31 please shoe work!