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3 years ago

Help me please LOL BAKANAJJAJAJANAJAHAHAHAHHAHA

Mathematics

1 answer:

Vikki [24]3 years ago

5 0

20% & DiscountRUs

DiscountRUs offers 40% off while the other offers 1/5 off which is 20% off.

The difference between 40 and 20 is obviously 20.

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Find the derivative of Y=2xcos2x

Nastasia [14]

Answer:

Y' = -xsin(2x) + 2cos(2x)

Step-by-step explanation:

For this problem, we will need to use the product rule since you have two terms that contain the variable x.

The product rule is simply as follows:

The derivative of the function is the product of the first term times the derivative of the second term plus the derivative of the first term times the second term.

Note the derivative of 2x with respect to x, is 2.

Note the derivative of cos(2x) with respect to x is (-1/2) sin(2x).

With this in mind, let's find the derivative of our function with respect to x.

Y = 2xcos2x

Y = 2x * cos(2x)

Y' = 2x * (-1/2)sin(2x) + 2 * cos(2x)

Y' = (2x * -1 / 2) sin(2x) + 2 * cos(2x)

Y' = (-x)sin(2x) + 2cos(2x)

So the derivative of our function is Y' = -xsin(2x) + 2cos(2x) according to the application of the product rule.

Cheers.

3 0

3 years ago

Write an equation of the line with a slope of 3 and a y-intercept of 4.5

Rudiy27

Answer:

Step-by-step explanation: you answered the question

4 0

3 years ago

Read 2 more answers

Q # # 12 find the volume of the cylinder to the nearest cubic foot Use a calculator

Ronch [10]

The diagram in the question is a cylinder.
;The volume of a cylinder is given by;

Volume = πr²h
;Where π=3.14
r⇒radius of the base of the cylinder and
h ⇒ height of the cylinder.

∴Volume = 3.14×5²×3
=235.5 ft³

To the nearest cubic = 236 ft³

4 0

3 years ago

Read 2 more answers

The diameter of the circle below is 82cm. Work out the radius of the circle

Dmitry [639]

Answer:

Radius = 41

Step-by-step explanation:

Diameter/2=radius

82/2 =41

6 0

3 years ago

Read 2 more answers

Tiffany has a 30% chance of winning a game. She uses random numbers to simulate a series of 7 games. In her simulation, the numb

fiasKO [112]

Answer:

C. 7269108

D. 0689271

E. 7042351

Step-by-step explanation:

If the number is 0,1 or 2, it is a win.

Otherwise, it is a loss.

Each number is a match.

A. 8531905

Two wins(0,1), 5 losses(8,5,3,9,5)

B. 4963184

One win(1), 6 losses(4,9,6,3,8,4)

C. 7269108

Three wins(2,1,0) and four losses (7,6,9,8)

D. 0689271

Three wins (0,2,1) and four losses (6,8,9,7)

E. 7042351

Three wins (0,2,1), four losses (7,4,3,5)

F. 9094562

Two wins (0,2) and five losses (9,9,4,5,6)

6 0

3 years ago