What is 8.2 divided by -4

a) As per the magnitude, the value of r is Emaximum is 40-50 kV/mm.

b) The breakdown voltage of the coaxial capacitor with the given parameters is approximately 27.3 volts.

In order to determine the value of r at which Emax occurs, we need to find the point on the inner cylinder where the electric field is perpendicular to the surface. This occurs at the point where r = a/√(3), which is approximately 0.577 times the radius of the inner cylinder.

To calculate the breakdown voltage of the coaxial capacitor, we need to know the dielectric strength of the material. For mica, the dielectric strength is typically around 40-50 kV/mm. Using the given values of a=1cm, b=2cm, and & = 6, we can calculate the maximum electric field strength as:

Emax = V / ln(2)

We can then use the dielectric strength of mica to find the breakdown voltage:

Breakdown voltage = Emax / (dielectric strength of mica)

= (V / ln(2)) / (6 x 10⁷ V/m)

= 27.3 V

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Answer:

x = 36

Step-by-step explanation:

180 - 48 = 132

This is because angle AC- and ACB form a straight angle (180 degrees).

132 + 12 = 144

180 - 144 = 36

The three interior sides of a triangle always add up to 180 degrees.

Hope this helps!

The derivatives of y=\(2x^{3}+5x^{2} +4x-9\) is \(6x^{2} +10x+4\), derivative of y=\(2x^{2} +3x+5\) is 4x+3, derivative of \((5x^{2} -9)6\) is 60x.

Given three functions y= \(2x^{3}+5x^{2} +4x-9\), y=\(2x^{2} +3x+5\), y=\((5x^{2} -9)6\).

We have to find the derivative of functions.

Derivative of a function of a real variablemearsures the sensitivity to change of the function value with respect to a chaneg in its argument. Derivatives are a fundamental tool of calculas.

First function: y=\(2x^{3}+5x^{2} +4x-9\), derivative can be as under:

dy/dx=2*3\(x^{2}\)+2*5x+4             (derivative of x is 1)

(d\(x^{n}\)/dx=n\(x^{n-1}\))

dy/dx=6\(x^{2}\)+10x+4

Second function: y=\(2x^{2} +3x+5\), derivative can be as under:

dy/dx=2*2x+3

=4x+3

Third function:y=\((5x^{2} -9)6\)

dy/dx=5*2x*6

=10x*6

=60x

Hence the derivative of first function is \(6x^{2} +10x+4\), second function is 4x+3, third function is 60x.

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When comparing variables x and y that are in the list '(AB), the comparison function we use is EQ.

Here's an explanation:

In Lisp, the EQ operator compares whether the two arguments are the same memory location.

EQV, on the other hand, checks whether the two values being compared are equivalent to each other.

For example, EQV will return true for two identical strings, while EQ will not.

The comparison function that should be used to compare variables x and y, which are both in the list '(AB), is EQ.

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Answer:

"The probabilities are equal."

Step-by-step explanation:

Since the amount of times the paper cup landed on its open, and closed end is equal, then the answer is "The probabilities are equal."

Answer: the probability’s are equal

Step-by-step explanation:

Answer:

Step-by-step explanation: multiply 2 with 3x-1

6x-2

multiply 9 with x-2

9x-18

form equation:

2(3x-1)=9(x-2)-7

or, 6x-2=9x-18-7

or, 9x-18-7=6x-2

or, 9x-6x= -2+18+7

or, 3x=23

or, x=23/3

Ans:  x= 7.67

Answer:

Problem 13:

Again, use the Triangle Angle Sum theorem but also use the Vertical Angles Theorem. The Vertical Angles theorem states that when two lines intersect, vertical angles are congruent.

First, find the missing x value of the bigger triangle.

57 + 43 + x = 180

100 + x = 180

100 - 100 + x= 180 - 100

x= 80

Now that we know the missing value of the bigger triangle (80) then we can concluded that the other missing value of smaller triangle is ALSO 80˚ by the Vertical Angles theorem.

To find the two x values, write the equation that models Triangle Angle Sum theorem.

80 + x + x = 180

Simplify

80 + 2x = 180

Subtract 80 by both sides.

80 - 80 + 2x = 180 - 80

2x= 100

Divide both sides by 2.

2x/2 = 100/2

x= 50

Therefore, the two x values are 50˚

Problem 14:

In this problem, they try to confuse/ trick you. Dont' worry, just follow the same principles as above. To find the missing value of x, you first need to find the the missing angle of the right triangle. To do this, make the equation:

65 + 90 + x = 180

155 + x = 180

155 - 155 + x = 180 - 155

x= 25

This value of x is  the answer, however, you can also add 25 to the 80˚ angle of the other triangle to find the full value of that corner angle (Since the two triangles split that angle in half)

80 + 25 = 105

Now to find x, make the equation:

105 + 50 + x = 180

155 + x = 180

155 - 155 + x = 180 - 155

x= 25.

As you see, there are two ways to solve and view this problem.

Hi there, so we know that all triangles add up to 180 degrees so we will take 38 and add it with 25 to get 63 then we subtract 180 by 63 to get 117 which is your awnser!! I mean I might be wrong but I’m probably right. I hope this helps!! Have a great morning, night, or day, Whatever it is for you!

Answer:

d=63 degree (if one side of a triangle is produced,the exterior angle so formed is equal to the sum of the two interior opposite angles).

Step-by-step explanation:

Hope it helps you!!

The loss function shown in the image below can be written in Python using the given information as follows:L(y, y_hat) = -(1/N) * ∑(n∈N) ∑(i∈C) y_n,i * log(y_hat_n,i)Where N = number of training samples, C = number of classes, y is a one-hot-encoding vector, and y_hat are vectors of probabilities.

Here's how to write the function in Python:```def loss(y, y_hat):N = len(y)C = len(y[0])loss_val = 0for n in range(N):for i in range(C):loss_val += y[n][i] * math.log(y_hat[n][i])loss_val = -(1/N) * loss_valreturn loss_val```In this Python function, the inputs are y and y_hat, and it returns the loss value. The function calculates the value of the loss function by iterating through each training sample (n) and each class (i) and summing up the value of y_n,i * log(y_hat_n,i).Finally, the function returns the negative of the sum of this value over all training samples, divided by the number of training samples.

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9514 1404 393

Answer:

  260π in²

Step-by-step explanation:

The slant height is the hypotenuse of a right triangle with legs 10 and 24. Using the Pythagorean theorem, we find it to be ...

  l² = 10² +24² = 100 +576 = 676

  l = √676 = 26

The given formula tells you the lateral area is ...

  A = πrl = π(10 in)(26 in)

  A = 260π in² . . . . . cone's lateral area

_____

Additional comment

The name of the constant relating diameter to circumference (π) is "pi". It is the 16th letter of the Greek alphabet. "Pie" is something else entirely.

Answer:

260\(\pi in^{2}\)

Step-by-step explanation:

Answer:

The total area of the figure is: 16 square units

Step-by-step explanation:

The Area is basically a measure of how much space in square units there is inside an object.

Given that each square in the grid is a unit square with an area of 1 square unit.

The figure clearly shows that there are 14 complete squares and 4 half square units.

Thus, the total area of the figure is:

(1 × 14) + (1/2 × 4)

=14 + 2

= 16 square units

Therefore, the total area of the figure is: 16 square units

I got radius= 54

arc/2pi r = degrees/360

then fill in what you know: 24pi/2pi r = 80/360

Now cross multiply and you get: 8640pi = 160pi r

Now divide both sides by 160pi and you get: 54= r

Premise 1: Hard water can damage home appliances. Premise 2: A water softening system can prevent hard water. Conclusion: Therefore, a water softening system can prevent damage to home appliances.

The argument consists of two premises and a conclusion. Premise 1 states that hard water can cause damage to home appliances. Premise 2 states that a water softening system can prevent hard water. The conclusion drawn from these premises is that a water-softening system can prevent damage to home appliances.

In standard form, the argument is presented by listing the premises first, followed by the conclusion. This format helps to clearly identify the statements being made and their logical relationship. By representing the argument in this way, it becomes easier to analyze the structure and validity of the reasoning presented.

Therefore, the standard form representation of the argument is:

Premise 1: Hard water can damage home appliances.

Premise 2: A water softening system can prevent hard water.

Conclusion: Therefore, a water softening system can prevent damage to home appliances.

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Funsters inc. , the largest toy company in canada, sells its most popular doll for $35. It has just learned that its leading competitor toysorama is mass producing an excellent copy and plans to flood the market with their $10 doll in 6 weeks. Funsters should increase the supply of its doll now before the other doll hits the market.

1. Addressing Customer Needs

Often business competition motivates brands and businesses to meet customer needs, vying to be more effective than their competitors. This encourages brands to develop an understanding of audience needs.

This competition resulted in a focus on meeting customer needs including higher quality products, increased service value, and increased customer satisfaction.

2. Analyze Strengths and Weaknesses

Business competition can drive an evaluation of strengths and weaknesses, as well as optimizing sales strategies based on these findings. This enables a business to maximize resources, make informed decisions about marketing and sales strategies, and tailor offerings according to their strengths.

3. Increasing Demand

Business competition is an effective way to increase demand for a product or service. As more companies invest in their marketing and advertising efforts, the consumer demand for their products and services may increase as brand awareness increases.

3. Encouraging Innovation

In order to gain an advantage in the market, business competition can drive to innovate strategies and improve their products or services in creative ways. This is an important contribution to continuously improving the quality of goods and services, advancing product and service technology, and adapting to changing consumer needs.

4. Show Excellence

A business often tracks and analyzes competitors' performance to gain insight into their business strategy. By studying competitors' tactics, a business will be able to demonstrate their superiority in the market. So that many businesses can develop strategies that will result in success.

5. Promoting Business

Continuous business development can be an important factor in long-term success. Business competition is often challenging to continue to increase brand awareness, promote, analyze success, and develop new methods to achieve even bigger goals.

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James can make 666 spheres of ice with a radius of 222 cm using one ice cube tray.

To understand how many spheres of ice James can make with one ice cube tray, we need to calculate the volume of each sphere and then determine the number of spheres that can be produced by the tray.

The formula to calculate the volume of a sphere is V = (4/3)πr³, where V is the volume and r is the radius of the sphere.

Given that the radius of each sphere is 222 cm, we can substitute this value into the formula:

V = (4/3)π(222)³

V = (4/3)π(10941048)

V ≈ 16539164.89 cm³

Now, we know that one ice cube tray can produce 666 spheres. Therefore, to find out the total volume of ice that can be made with one tray, we need to multiply the volume of one sphere by the number of spheres:

Total Volume = Volume of one sphere * Number of spheres

Total Volume = 16539164.89 cm³ * 666

Total Volume ≈ 11002845092.74 cm³

So, James can make approximately 11002845092.74 cm³ of ice with one ice cube tray.

In summary, James can make 666 spheres of ice with a radius of 222 cm using one ice cube tray, resulting in a total volume of approximately 11002845092.74 cm³.

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Answer:

B is the right answer and if you add

If A is true, B is false, C is true and D is false, then the truth value of the compound statement (A V B) → [(C ∨ B) ↔~D] is True.

To determine the truth value of the compound statement, follow these steps:

So, the truth value of the compound statement (A V B) → [(C ∨ B) ↔ ~D] when A is true, B is false, C is true, and D is false is True.

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The solutions to the equation -30x² + 9x + 60 = 0 are x = 5/2 and x = -4/5.

To solve the equation, we can start by bringing all the terms to one side to have a quadratic equation equal to zero. Let's go step by step:

-5/3 x² + 3x + 11 = -9 + 25/3 x²

First, let's simplify the equation by multiplying each term by 3 to eliminate the fractions:

-5x² + 9x + 33 = -27 + 25x²

Next, let's combine like terms:

-5x² - 25x² + 9x + 33 = -27

-30x² + 9x + 33 = -27

Now, let's bring all the terms to one side to have a quadratic equation equal to zero:

-30x² + 9x + 33 + 27 = 0

-30x² + 9x + 60 = 0

Finally, we have the quadratic equation in standard form:

-30x² + 9x + 60 = 0

Dividing each term by 3, we get:

-10x² + 3x + 20 = 0

(-2x + 5)(5x + 4) = -10x² + 3x + 20

So, the factored form of the equation -30x² + 9x + 60 = 0 is:

(-2x + 5)(5x + 4) = 0

Now we can set each factor equal to zero and solve for x:

-2x + 5 = 0 --> x = 5/2

5x + 4 = 0 --> x = -4/5

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Answer:

a.

Step-by-step explanation:

25x^2-15x+25

=5(5x^2-3x+5)

b.

14xy-7x

=7x(2y-1)

5.a.

7x-4=24

or,7x=24+4

or,7x=28

or,x=28/7

therefore x=4

b.

4y+4=y+16

or,4y-y=16-4

or,3y=12

or,y=12/3

therefore y=4

Step-by-step explanation:

q 5)

a) as it's an Isosceles triangle so both the given sides are equal

so, a/q

→ 7x - 4 = 24

→ 7x = 24 + 4 = 28

→ x = 28/7 = 4

→ x = 4

therefore, value of x is 4.

b) 4y + 4 = y + 16

→ 4y - y = 16 - 4

→ 3y = 12

→ y = 12/3 = 4

→ y = 4

therefore, value of y is 4.

hope this answer helps you dear!

π/16 is the area enclosed by the curve r= sin(4θ)

The given curve is polar curve and hence the area of the polar curve is given by:

Let A be the area of the curve so,

A = \(\int\limits^b_a {\frac{1}{2}r^2 } \, d\theta\)

where a and b is the boundary at which r=0

so after equation r=0

sin(4θ) =0

=> sin(4θ) =0

=> 4θ = 0,π

=> θ = 0, π/4

so a=0 , b= π/4

now  

  A =  \(\int\limits^b_a {\frac{1}{2}r^2 } \, d\theta\)   ------(i)

so   \(r^2\) = (sin(4θ))^2

=>   \(sin^2\)( 4θ )

ans we know that

cos(2α) = 1 -  \(2sin^2\)2 α

so     \(sin^2\)= (1- cos(8θ) )/2

putting the value of r in the equation (i) we get :-

A = \(\int\limits^b_a {\frac{1}{4} *(1-cos8\theta) } \, d\theta\)

=> 1/4*  \(\int\limits^b_a {(1-cos8\theta) } \, d\theta\)

here a=0 and b=π/4

after putting the value and solving the integral

A = π/16

so A is the area enclosed by r=sin(4θ) is π/16

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Answer:

9x =27

Step-by-step explanation:

And the solution is shown in the image I shared

Answer:

8%

Step-by-step explanation:

The tax rate is 8% because $7.50÷100=0.075

0.075×8=$0.60

So the sales tax is 8%

Answer:

m= 4

Step-by-step explanation:

3m +2n= 16 -----(1)

m -2n= 0 -----(2)

From (2):

m= 2n -----(3) (+2n on both sides)

subst. (3) into (1):

3(2n) +2n= 16

6n +2n= 16

8n= 16 (simplify)

n= 16 ÷8

n= 2

subst. n=2 into (3):

m= 2(2)

m= 4

Answer:

5+2=7-7+4=4 =4 the answer is 4

Step-by-step explanation:

do not cheat 1st grader

Answer:

4

Step-by-step explanation:

Answer:

André received $9,000, Bernard received $3,000, Caroline received $2,000, and Denise received $8,000.

Step-by-step explanation:

Let's call the total amount of the inheritance "x".

According to the problem:

André receives 1/6 of x + $5,000

Bernard receives 1/3 of x - $5,000

Caroline receives 1/4 of x - $10,000

Denise receives 1/3 of x

We can write an equation to represent the total inheritance:

x = (1/6)x + $5,000 + (1/3)x - $5,000 + (1/4)x - $10,000 + (1/3)x

Combining like terms, we get:

x = (7/12)x - $10,000

Bringing the "x" terms to one side and the constant terms to the other, we get:

(5/12)x = $10,000

Multiplying both sides by 12/5, we get:

x = $24,000

Now we can substitute this value back into the original equations to find out how much each child received:

André: (1/6)($24,000) + $5,000 = $9,000

Bernard: (1/3)($24,000) - $5,000 = $3,000

Caroline: (1/4)($24,000) - $10,000 = $2,000

Denise: (1/3)($24,000) = $8,000

Therefore, André received $9,000, Bernard received $3,000, Caroline received $2,000, and Denise received $8,000.

Albert borrowed $17 from his friend.

Given,

Albert brought some items:

Cost of blanket = $32.75

Cost of pillow = $12.75

Cost of glove = $16.25

Amount paid by Albert = 50

Amount borrowed by Albert from his friend = x

Cashier gave back the change = $5.25

We have to find the amount borrowed by Albert from his friend:

This is simply arithmetic operations:

Total cost in shop = 32.75 + 12.75 + 16.25 = $61.75

Total amount given to the cashier = 61.75 + 5.25 = 67

Amount borrowed by Albert from his friend = Total amount given to the cashier - Amount paid by Albert

x = 67 - 50

x = 17

That is,

Albert borrowed $17 from his friend.

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Answer:

a. x = 3 and x = 6

Step-by-step explanation:

To find the zeros of this function, you have to look at when the function intersects the x-axis.

In this case, the parabula is intersecting the x-axis at x = 3 and x = 6. this means taht when x is equal to 3 and 6, y is equal to 0, making those x values, the zeros of the function.

Hope this helps! :)