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3 years ago

A $380 television cost $411.35 after tax is added. What is the percentage of the tax

Mathematics

1 answer:

expeople1 [14]3 years ago

4 0

Answer:

The tax percentage is 8.25 percent

Step-by-step explanation: After multiplying multiple tax percentages I found that 8.25 was the right tax percentage.

Hope this helps.

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a.j. kept a record of his scores from playing his favorite video game: A. 18,359. B. 19,709. C. 20,809. D. 21,159 ?

Brilliant_brown [7]

Answer:

wheres the rest of the question or is that the whole question

Step-by-step explanation:

4 0

2 years ago

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

3 years ago

One angle is its own supplement.<br> What size is this angle?

givi [52]

Answer:When an angle is its own supplement, that means that the angle, plus itself, will equal 180 degrees.

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Can someone help?

nydimaria [60]

Answer:

run = 1081.6 ft

Step-by-step explanation:

sin = opp/hyp

sin18 = 3500 / run

run = 3500 / sin18

run = 1081.6 ft

4 0

2 years ago

Read 2 more answers

Please help me with this and thank you

Anarel [89]

I think it’s D sorry if you get this wrong I also have to do my work

7 0

2 years ago