0.78 / 0.16614 please

Answers

Answer 1

Answer:

4.695

Step-by-step explanation:

multiply top and bottom by 100, 000 to clear any decimal places

now we have 78, 000 / 16,614

= 4.695 (3 decimal places).


Related Questions

9. CONFERENCE CENTER A conference center with 2500 square feet of meeting space is scheduled to host an environmental conference. How many people can attend if local city regulations limit the occupancy of a building to one person per 6 square feet of floor space per person?​

Answers

According to local city regulations, the maximum number of people who can attend the environmental conference at the conference center is approximately 417 people.

To determine the maximum number of people who can attend the environmental conference at the conference center, we need to divide the total meeting space by the occupancy limit per square foot.

Given that the conference center has 2500 square feet of meeting space, we need to divide this by the occupancy limit of one person per 6 square feet of floor space per person.

2500 sq ft ÷ 6 sq ft/person = 416.67 people

Therefore, according to local city regulations, the maximum number of people who can attend the environmental conference at the conference center is approximately 417 people.

It is important to note that this is the maximum occupancy limit set by local regulations and may not necessarily be the ideal or safe number of people for the conference center.

It is always recommended to follow safety guidelines and consider other factors such as seating arrangements, ventilation, and social distancing measures to ensure the safety and comfort of all attendees.

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Find the following product, and write the product in rectangular form [4( cos 60° +i sin 60° )I7 (cos 210 i sin 2109)] [4(cos60° + i sin 60°)17( cos 210° + i sin 210°)-□

Answers

The product is 476(cos 540° + i sin 540°).

How to find the product of the given expressions?

To find the product and write it in rectangular form, let's simplify the expression step by step.

First, let's simplify the expressions within each set of brackets separately:

Step 1: [4(cos 60° + i sin 60°)I7(cos 210° + i sin 210°)]

This expression involves multiplying two complex numbers using the polar form. When multiplying complex numbers, we multiply their magnitudes and add their angles.

The magnitude of 4 is 4, and the magnitude of I7 is 7. The angle of cos 60° + i sin 60° is 60°, and the angle of cos 210° + i sin 210° is 210°.

Therefore, the product of the first set of brackets is:

4 * 7 * (cos (60° + 210°) + i sin (60° + 210°))

= 28 * (cos 270° + i sin 270°)

= 28 * (-i)

= -28i

Step 2: [4(cos 60° + i sin 60°)17(cos 210° + i sin 210°)]

Similarly, we multiply the magnitudes and add the angles:

4 * 17 * (cos (60° + 210°) + i sin (60° + 210°))

= 68 * (cos 270° + i sin 270°)

= 68 * (-i)

= -68i

Now, we multiply the two results from the above steps:

(-28i) * (-68i)

= (-28 * -68) * (i * i)

= 1904 * (-1)

= -1904

So, the product of the given expression is -1904.

In rectangular form, a complex number is represented as a + bi, where a is the real part and b is the imaginary part.

Hence, the product in rectangular form is -1904 + 0i, or simply -1904.

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Please help me 40 points please I've been struggling for so long

Question in photo

Answers

Answer:

[tex]\textsf{Step 1:}\quad m = \dfrac{1}{2}[/tex]

[tex]\textsf{Step 2:}\quad m = \dfrac{1}{2}[/tex]

[tex]\textsf{Step 3:}\quad y-4=\dfrac{1}{2}(x-2)[/tex]

Step-by-step explanation:

Given linear equation:

[tex]y=\dfrac{1}{2}x+4[/tex]

The given equation is in slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept.

[tex]\begin{array}{l}y=\boxed{\dfrac{1}{2}}\;x+\;\boxed{4}\\\;\;\;\;\;\;\;\;\uparrow\;\;\;\;\;\;\;\;\;\;\;\:\uparrow\\\sf \;\;\;\;\;slope\;\;\;\;\;\textsf{$y$-intercept}\end{array}[/tex]

Therefore, the slope of the given line is:

[tex]m = \dfrac{1}{2}[/tex]

We are told that the new line is parallel to the given line.

Since parallel lines have the same slope, the slope of the new line is the same as the slope of the given line:

[tex]m = \dfrac{1}{2}[/tex]

We are told that the new line passes through the point (2, 4).

Therefore, we can plug in the found slope, m = 1/2, and the given point (2, 4), into the point-slope form:

[tex]y-y_1=m(x-x_1)[/tex]

[tex]y-4=\dfrac{1}{2}(x-2)[/tex]

When we take the observed values of X to estimate or predict corresponding Y values, the process is called ________.Select one:A. prediction and confidence bandsB. chi-square statisticC. simple predictionD. multiple regressionE. proportional reduction in error

Answers

When we take the observed values of X to estimate or predict corresponding Y values, the process is called simple prediction.

Simple prediction is a statistical technique used to estimate or predict the value of a dependent variable Y from a known value of an independent variable X. It assumes a linear relationship between the two variables and uses a regression equation to estimate or predict the value of Y. Prediction and confidence bands refer to the range of values within which the predicted value of Y is expected to fall with a certain level of confidence. Chi-square statistic is a measure of the goodness-of-fit of a statistical model. Multiple regression is a statistical technique used to model the relationship between a dependent variable and two or more independent variables. Proportional reduction in error is a measure of the improvement in prediction accuracy achieved by adding a predictor variable to a model.

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How many triangles exist with the given side lengths?

4m,4m,7m

Answers

How many triangles exist with the given side lengths: C) More than one triangle exists with the given side lengths.

What is the triangle inequality theorem?

In Euclidean geometry, the Triangle Inequality Theorem states that the sum of any two side lengths of a triangle must be greater than or equal (≥) to the third side of the triangle.

Mathematically, the Triangle Inequality Theorem is represented by this mathematical expression:

b - c < n < b + c

Where:

n, b, and c represent the side lengths of this triangle.

4 + 4 > 7 (True).

4 + 7 > 4 (True).

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Complete Question:

How many triangles exist with the given side lengths?

4m, 4m, 7m

A) No triangle exists with the given side lengths.

B) Exactly one unique triangle exists with the given side lengths.

C) More than one triangle exists with the given side lengths.

a road tanker hold 24 tonnes of oil. in cold weather it can pump out x, tonnes of oil per minute. write down an expression of x for the number of minutes it takes to empty the tanker in cold weather ​

Answers

the expression for x would be:
x = 24 / y.

To determine the expression for x, we need to consider the total amount of oil that needs to be pumped out of the tanker. As given in the question, the tanker can hold 24 tonnes of oil. Therefore, the expression for the total amount of oil that needs to be pumped out is:
Total amount of oil = 24 tonnes
Now, let's consider the rate at which oil can be pumped out of the tanker in cold weather. Let's assume that the tanker can pump out y tonnes of oil in one minute. Therefore, the expression for the amount of oil pumped out in x minutes would be:
Amount of oil pumped out = y * x tonnes
However, we know that the amount of oil pumped out should be equal to the total amount of oil in the tanker, which is 24 tonnes. Therefore, we can write the following equation:
y * x = 24
To find the expression for x, we can rearrange this equation as:
x = 24 / y
So, the expression for x would be:
x = 24 / y
This expression gives us the number of minutes it would take to empty the tanker in cold weather, based on the rate at which oil can be pumped out of the tanker in that weather condition

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Can someone help me please??

Answers

Answer:

100ft

Step-by-step explanation:

find the first partial derivatives with respect to x, y, and z. f(x, y, z) = 2x2y − 9xyz 10yz2

Answers

The first partial derivatives with respect to x, y, and z of the given function f(x, y, z) = 2x^2y − 9xyz/10yz^2 are:

fx = 4xy - (9yz/10z^2) = 4xy - (9/10z)

fy = 2x^2 - (9xz/10z^2) = 2x^2 - (9x/10z)

fz = (-9xy/5yz^2) - (18xyz/5yz^3) = (-9x/5z) - (18x/5y)

The partial derivative of a multivariable function with respect to a particular variable is calculated by considering all other variables as constants and differentiating with respect to the chosen variable. In this case, the partial derivative with respect to x involves differentiating the function with respect to x while treating y and z as constants, and similarly for y and z. The obtained partial derivatives are then used to find critical points, which are the points where all partial derivatives are zero.


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suppose we have two parameters, m and n, with m → [infinity] and n → [infinity], perhaps at different rates independent of one another. which has larger θ-complexity: mln(n) or n ln(m) ?

Answers

For the 2-parameters, m and n, both the functions [tex]m^{ln(n)}[/tex] and [tex]n^{ln(m) }[/tex] have the same θ-complexity.

In order to find the θ-complexity of the function,

We let, f(m,n) = [tex]m^{ln(n)}[/tex]  , and g(m,n) = [tex]n^{ln(m) }[/tex] ;

To simplify, we take "ln" for both sides,

we get,

ln(f(m,n)) = ln([tex]m^{ln(n)}[/tex]),

ln(f(m,n)) = ln(n)×ln(m),    ...equation(1)

and for g(m,n),

We have,

ln(g(m,n)) = ln([tex]n^{ln(m) }[/tex] ),

ln(g(m,n)) = ln(m)×ln(n),     ...equation(2)

On comparing both equation(1) and equation(2), we observe that both f(m,n) and g(m,n) are reducible to exactly same forms, thus, f(m,n) = g(m,n);

Therefore, both functions have same θ-complexity.

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The given question is incomplete, the complete question is

Suppose we have two parameters, m and n, with m → ∞ and n → ∞, perhaps at different rates independent of one another. Which has larger θ-complexity: [tex]m^{ln(n)}[/tex] or [tex]n^{ln(m) }[/tex] ?

Translate this phrase into an algebraic expression
44 decrease by twice Vidya’s savings
Use the variable v to represent vidya’s savings

Answers

The algebraic expression would be: 44 - 2v

How to Translate the phrase into an algebraic expression

To translate the phrase "44 decrease by twice Vidya’s savings" into an algebraic expression using the variable v to represent Vidya's savings, we can proceed as follows:

Twice Vidya's savings can be expressed as 2v. The phrase "44 decrease by twice Vidya’s savings" implies that we subtract twice Vidya's savings from 44.

Therefore, the algebraic expression would be:

44 - 2v

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. find the distance between the spheres x^2 y^2 z^2 = 4 and x^2 y^2 z^2 = 4x 4y 4z-11.

Answers

The distance between the spheres defined by x^2 + y^2 + z^2 = 4 and x^2 + y^2 + z^2 - 4x - 4y - 4z + 11 = 0 will be determined.



The first sphere equation can be written as:

x^2 + y^2 + z^2 = 4 ............. (1)

The second sphere equation can be written as:

x^2 + y^2 + z^2 - 4x - 4y - 4z + 11 = 0 ............. (2)

To find the distance between the spheres, we need to find the distance between their centers. The centers of the spheres can be determined by completing the square for each equation.

For Equation (1):

x^2 + y^2 + z^2 = 4

We have a sphere centered at the origin (0, 0, 0) with a radius of 2.

For Equation (2):

x^2 + y^2 + z^2 - 4x - 4y - 4z + 11 = 0

Rearranging terms:

x^2 - 4x + y^2 - 4y + z^2 - 4z = -11

To complete the square, we need to add and subtract appropriate constants:

x^2 - 4x + 4 + y^2 - 4y + 4 + z^2 - 4z + 4 = -11 + 4 + 4 + 4

(x^2 - 4x + 4) + (y^2 - 4y + 4) + (z^2 - 4z + 4) = 1

Simplifying:

(x - 2)^2 + (y - 2)^2 + (z - 2)^2 = 1

We have a sphere centered at (2, 2, 2) with a radius of 1.

Now that we have the centers of the two spheres, the distance between them can be found using the distance formula:

Distance = sqrt((x2 - x1)^2 + (y2 - y1)^2 + (z2 - z1)^2)

Using the coordinates of the centers, we have:

Distance = sqrt((2 - 0)^2 + (2 - 0)^2 + (2 - 0)^2)

Distance = sqrt(4 + 4 + 4)

Distance = sqrt(12)

Distance ≈ 3.464

Therefore, the distance between the spheres x^2 y^2 z^2 = 4 and x^2 y^2 z^2 = 4x + 4y + 4z - 11 is approximately 3.464 units.


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The distance between the spheres [tex]\(x^2 + y^2 + z^2 = 4\) and \(x^2 + y^2 + z^2 = 4x + 4y + 4z - 11\)[/tex] is [tex]\(\sqrt{153}\)[/tex] units.

To find the distance between the spheres [tex]\(x^2 + y^2 + z^2 = 4\) and \(x^2 + y^2 + z^2 = 4x + 4y + 4z - 11\)[/tex], you can use the formula for the distance between two points in three-dimensional space.

The general formula for the distance between two points [tex]\((x_1, y_1, z_1)\)[/tex] and [tex]\((x_2, y_2, z_2)\)[/tex] is given by:

[tex]\[\sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2 + (z_2 - z_1)^2}\][/tex]

In this case, you can consider one point on the first sphere as the center of the sphere, which is at the origin (0, 0, 0), and the point on the second sphere as another point (4, 4, 11), as it satisfies the equation [tex]\(x^2 + y^2 + z^2 = 4x + 4y + 4z - 11\).[/tex]

Now, you can plug these values into the distance formula:

[tex]\text{Distance} &= \sqrt{(4 - 0)^2 + (4 - 0)^2 + (11 - 0)^2} \\\\&= \sqrt{16 + 16 + 121} \\\\&= \sqrt{153}[/tex]

So, the distance between the two spheres is [tex]\(\sqrt{153}\)[/tex] units.

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image...............

Answers

-2 is the equivalent average rate of change of f(x) with the interval.

Rate of change of a function

The formula for calculating the rate of change of a function is expressed as:

[tex]f'(x) = \frac{f(b)-f(a)}{b-a}[/tex]

Given the function f(x) = 2x² + 12x + 16 with the interval [-3, -2]

f(-3) =  2(-3)² + 12(-3) + 16

f(-3) = 2(9) - 36 + 16

f(-3) = 18 - 20

f(-3) = -2

Similarly:

f(-2) =  2(-2)^2 + 12(-2) + 16

f(-2) = 2(4) - 24 + 16

f(-2) = 8 - 8

f(-2) = 0

Substitute the resulting values:

[tex]f'(x) = \frac{f(-3)-f(-2)}{-3-(-2)}\\f'(x)=\frac{-2-0}{-1}\\f'(x)=-2[/tex]

Hence the average rate of change of f(x) within the given interval is -2.

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y=-2
4x-3y=18
systems of equations with substitution

Answers

Answer:

x = 3, y = -2

Step-by-step explanation:

Substitute Y = -2 into the second equation:

4x - 3(-2) = 18

Simplify and solve for x:

4x + 6 = 18

4x = 12

x = 3

Now substitute x=3 into the first equation to solve for y:

Y = -2

Therefore, the solution to the system of equations is:

x = 3, y = -2

a.11

b.12

c.13

d.7

Please answer this thank you


Answers

The number of terms in the polynomial (2·x + 5·y)¹² are 1 thirteen terms

What is a polynomial?

A polynomial is the sum of terms that contains different powers of the variables.

The number of terms in a polynomial in a polynomial of degree n can be found from the expansion of the polynomial as follows;

(2·x + 5·y)¹² = 4096·x¹² + 122880x¹¹·y + 1689600·x¹⁰·y² + 14080000·x⁹·y³ + 79200000·x⁸·y⁴ + 316800000·x⁷·y⁵ + 924000000·x⁶·y⁶ + 1980000000·x⁵·y⁷ + 3093750000·x⁴·y⁸ + 3437500000·x³·y⁹ + 2578125000·x²·y¹⁰ + 1171875000·x·y¹¹ + 244140625·y¹²

The number of terms in the above polynomial are 13 terms, therefore the number of terms in the polynomial (2·x + 5·y)¹² is 13 terms

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PLEASE HELP ME!!!!!!

Answers

Answer:  [tex]\frac{-3}{10}[/tex]

Step-by-step explanation:

Given:

   (b + d) - a

Substitute known values:

   ([tex]\frac{3}{5}[/tex] + - [tex]\frac{1}{5}[/tex]) - [tex]\frac{7}{10}[/tex]

Addition and subtraction becomes subtraction:

   ([tex]\frac{3}{5}[/tex] - [tex]\frac{1}{5}[/tex]) - [tex]\frac{7}{10}[/tex]

Subtract:

   [tex]\frac{2}{5}[/tex] - [tex]\frac{7}{10}[/tex]

Common denominators:

   [tex]\frac{4}{10}[/tex] - [tex]\frac{7}{10}[/tex]

Subtract:

   [tex]\frac{-3}{10}[/tex]

Find f such that f '(x) = 3/square root x, f(16) = 34.

Answers

The solution to the differential equation f '(x) = 3/square root x, where f(16) = 34, is f(x) = 6sqrt(x) + 22.

To solve this differential equation, we first integrate both sides with respect to x, which gives us f(x) = 2x^(3/2) + C. To determine the value of C, we use the initial condition f(16) = 34. Substituting x = 16 and f(x) = 34 into the equation, we get 34 = 2(16)^(3/2) + C. Solving for C, we get C = 22. Thus, the final solution to the differential equation is f(x) = 2x^(3/2) + 22.

Therefore, the function f such that f '(x) = 3/square root x and f(16) = 34 is f(x) = 6sqrt(x) + 22.

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what is the period of the graph of y= 5 sin (2 pi x) +4

Answers

The period of the graph is 1.

A sinusoidal function with an amplitude of 5 and a vertical displacement of 4 units upward, the graph of the equation y = 5 sin(2πx) + 4 is a function of the equation.

We must examine the sine function's coefficient of x in order to ascertain the period.

The general form of a sine function is y = A sin(Bx + C) + D, where:

A represents the amplitude (the distance from the center line to the peak or trough).

B determines the frequency or number of cycles within a given interval.

C indicates horizontal shifts (phase shift).

D represents the vertical shift.

In the given equation, B = 2π, which is the coefficient of x. The period (P) of a sine function is calculated using the formula P = 2π/B.

Substituting the value of B, we get:

P = 2π / (2π) = 1

Therefore, the period of the graph is 1. This means the graph repeats itself every 1 unit along the x-axis.

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find the distance between u= 0 −6 3 and z= −2 −1 8 .

Answers

The distance between the points u= 0 −6 3 and z= −2 −1 8 is approximately 9.95 units.

To calculate the distance between two points in three-dimensional space, we can use the distance formula, which is derived from the Pythagorean theorem. The distance formula states that the distance between two points (x1, y1, z1) and (x2, y2, z2) is equal to the square root of [(x2 - x1)^2 + (y2 - y1)^2 + (z2 - z1)^2].

Using this formula, we can find the distance between u and z as follows:

d = sqrt[(-2 - 0)^2 + (-1 - (-6))^2 + (8 - 3)^2]

= sqrt[4 + 25 + 25]

= sqrt(54)

≈ 9.95

Therefore, the distance between the points u and z is approximately 9.95 units.

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PLEASE HELP!!! The quadratic equation h=-16t^2+32t+2 represents the height, h (in feet), of a ball kicked after t seconds. Answer each question. Express each answer as a decimal rounded to the nearest hundredth. How long will it take the ball to reach 18 feet? When will the object be at 10 feet? When will the ball hit the ground?

Answers

The ball will hit the ground after approximately 0.14 seconds or 1.86 seconds

To find how long it will take the ball to reach 18 feet, we need to solve the equation h = 18:

-16t²  + 32t + 2 = 18

Simplifying, we get:

-16t²  + 32t - 16 = 0

Dividing by -16:

t²  - 2t + 1 = 0

Factoring:

(t - 1)²  = 0

Taking the square root:

t - 1 = 0

t = 1

Therefore, the ball will reach 18 feet in 1 second.

To find when the ball will be at 10 feet, we need to solve the equation h = 10:

-16t²  + 32t + 2 = 10

Simplifying, we get:

-16t² + 32t - 8 = 0

Dividing by -8:

2t² - 4t + 1 = 0

Using the quadratic formula:

t = (4 ± √(16 - 8)) / 4

t = (4 ± 2) / 4

t = 1 or t = 1/2

Therefore, the ball will be at 10 feet after half a second or 1 second.

To find when the ball will hit the ground, we need to solve the equation h = 0:

-16t² + 32t + 2 = 0

Using the quadratic formula:

t = (-32 ± √(32² - 4(-16)(2))) / 2(-16)

t ≈ 0.14 or t ≈ 1.86

Therefore, the ball will hit the ground after approximately 0.14 seconds or 1.86 seconds (rounded to the nearest hundredth).

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Help please!!!!!!!!!!!!!!!!!!!!!!!

Answers

First divide by 3
Take square root on both sides
Subtract 1 from both sides
And you have your answer

to make sure if f (x) is constant or balanced with 100% confidence, how many steps do we need in the worst case with classical manipulations, and why

Answers

Determining whether a function f(x) is constant or balanced with 100% confidence can be achieved through the use of the Deutsch-Jozsa algorithm. This algorithm is a quantum algorithm that can determine whether a function is constant or balanced in a single query, providing a significant speedup compared to classical algorithms.

In contrast, classical algorithms require a worst-case scenario of [tex]2^{(n-1)} + 1[/tex] steps to determine whether a function is constant or balanced, where n is the number of input bits. This is because, in the worst-case scenario, each input bit would have to be tested individually. The reason for this is that classical algorithms use a trial-and-error approach to determine whether a function is constant or balanced. They will test every possible input combination until a pattern emerges that indicates whether the function is constant or balanced. This process becomes exponentially complex as the number of input bits increases. In contrast, the Deutsch-Jozsa algorithm uses quantum superposition to test all possible input combinations simultaneously, drastically reducing the number of steps required. This algorithm achieves a speedup by exploiting the properties of quantum mechanics, allowing it to solve the problem in a single query. In summary, classical algorithms require a worst-case scenario of [tex]2^{(n-1)} + 1[/tex] steps to determine whether a function is constant or balanced, while the Deutsch-Jozsa algorithm achieves a significant speedup by using quantum superposition to solve the problem in a single query.

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Select the inequality that describes each sentence.
Jason ran for less than 3 miles.

Answers

If D is the distance that Jason ran (in miles), the inequality will be:

D < 3.

Which inequality describes this sentence?

Here we want to write an inequality for the given sentence:

"Jason ran for less than 3 miles."

Let's define the variable D as the distance that Jason ran in miles, now we want to write an inequality that says that D is less than 3 miles.

To do so, we will use the symbol <, it is used to say that the thing in the left is smaller than the thing in the right, then the inequality will be:

D < 3.

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find the indefinite integral and check the result by differentiation. (use c for the constant of integration.) 5x /(5 − x^2)^3

Answers

The indefinite integral of 5x /(5 − x^2) ^3 is (5 − x^2) ^−2 + C, where C is the constant of integration. The indefinite integral of 5x / (5 − x^2) ^3 can be found by using the substitution u = 5 − x^2. We have:

∫ 5x / (5 − x^2) ^3 dx

Let u = 5 − x^2, then du/dx = −2x and dx = −(1/2x) du. Making the substitution, we get:

∫ 5x /(5 − x^2) ^3 dx = ∫ (−1/2) (−2x) u^−3 du

= u^−2 + C, where C is the constant of integration.

Substituting back, we get:

∫ 5x / (5 − x^2) ^3 dx = (5 − x^2) ^−2 + C

To check the result by differentiation, we take the derivative of (5 − x^2) ^−2 + C with respect to x:

d/dx [(5 − x^2) ^−2 + C] = −2(5 − x^2) ^−3 (−2x) = 4x / (5 − x^2) ^3

Which is the original function. Hence, our result is correct.

In conclusion, the indefinite integral of 5x / (5 − x^2) ^3 is (5 − x^2) ^−2 + C, where C is the constant of integration. This can be checked by taking the derivative of the result and verifying that it gives us the original function.

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a candle is lit and burns at a constant rate of 0.9 inches per hour. 3.5 hours after the candle was lit the candle is 9.85 inches long. how long was the candle before it was lit?

Answers

Let x be the length of the candle before it was lit. The candle burns at a constant rate of 0.9 inches per hour, so after burning for 3.5 hours, the length of the candle remaining is 9.85 - 0.9(3.5) = 6.25 inches. We can set up the equation:

x - 0.9(3.5) = 6.25

Simplifying this equation, we get:

x = 9.95 inches

Therefore, the length of the candle before it was lit was 9.95 inches.

In this problem, we used the fact that the rate at which the candle burns is constant, and we used this information to calculate how much of the candle had burned after 3.5 hours. From there, we were able to set up an equation to find the length of the candle before it was lit. This problem illustrates how to use algebraic equations to solve real-world problems involving rates and quantities.

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Mr. Kumar conducted a random survey asking 80 students which elective class they prefer. The results are shown in
the bar graph.
Number of Students
22
20
18
16
14
20086420
12
10
Favorite Elective Class by Grade
Band
Theater
Elective Classes
Art
Which inference about the data is best supported by this information?
KEY
Seventh grade
Eighth grade
More eighth-grade students prefer art as an elective than prefer band or theater.
Fewer seventh-grade students prefer band or theater as an elective than prefer art.
Half as many seventh-grade students as eighth-grade students prefer theater as an elective.
Twice as many seventh-grade students as eighth-grade students prefer band as an elective.

Answers

The inference about the data that is best supported by the bar graph in this problem is given as follows:

More eighth-grade students prefer art as an elective than prefer band or theater.

What does a bar graph show?

A bar graph shows the output considering a given input. In the context of this problem, the inputs are the activities, and for each input there are two outputs, which are the number of students of each grade that prefer each activity.

The highest bar for eight graders is of art, hence the first statement is the correct statement in this problem.

Missing Information

The graph is given by the image presented at the end of the answer.

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Integrate h(x, y) = yi + xj over the circle of radius 1 centered at the origin traversed counterclockwise. a) 1 b) 0 c) pi d) -1 e) 2 pi f) None of the above.

Answers

The correct answer is b) 0.

To evaluate the line integral of h(x, y) over the given circle, we can use the parameterization of the circle in terms of the angle θ, where x = cos θ and y = sin θ. Substituting these values into h(x, y) = yi + xj, we obtain h(θ) = sin θ i + cos θ j. Then, we can compute the line integral using the formula:

∫h(x, y) ds = ∫h(θ) ||r'(θ)|| dθ

where r(θ) = cos θ i + sin θ j is the parameterization of the circle and ||r'(θ)|| = 1 is the magnitude of its derivative. Therefore, the line integral simplifies to:

∫h(x, y) ds = ∫0^2π (sin θ i + cos θ j) dθ

Integrating the x-component and y-component separately, we get:

∫h(x, y) ds = [-cos θ]0^2π + [sin θ]0^2π = 0

Thus, the line integral of h(x, y) over the given circle is 0. This means that the work done by the vector field h(x, y) as it moves along the circle is zero, which indicates that the vector field is conservative. In other words, h(x, y) can be expressed as the gradient of a scalar potential function.


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902 divided by 9

Answers

The answer is 100.22

Answer:

902 divided by 9 = 100.2

9 divided by 902= 0.009 or 0 with the remainder of 9

Step-by-step explanation:

Two of the dozen eggs in a carton are cracked. About what percent of the carton is cracked?

Answers

Answer:

About 17%.

Step-by-step explanation:

A dozen is 12.

2 out of 12 are cracked.

2 / 12 = 0.16666666666

That equals about 16.7%.

Your problem doesn't say which place to round to but this seems kind of basic so I'd write "about 17%."

is it possible to find a vector field a such that ∇ ✕ a = −9xyz, y2z, yz2 2 ?

Answers

To determine if it is possible to find a vector field a such that ∇ × a = (-9xyz, y^2z, yz^2/2), we can use a  theorem from vector calculus known as Helmholtz's theorem.

This theorem states that any sufficiently smooth and well-behaved vector field in three dimensions can be decomposed into a sum of two vector fields: a curl-free (or irrotational) field and a divergence-free (or solenoidal) field.

In other words, if we can find a vector field b such that ∇ × b = 0 (i.e., b is curl-free) and a scalar field φ such that ∇ · (φa) = -9xyz, y^2z, yz^2/2 (i.e., φa is divergence-free), then we can write the original vector field a as a sum of the two vector fields:

a = b + (1/φ)∇ × (φa)

Since the curl of any gradient field is always zero, we can choose b to be the gradient of a scalar field ψ:

b = ∇ψ

Now, we need to find a scalar field φ such that φa is divergence-free. This means that we need to solve the following partial differential equation:

∇ · (φa) = -9xyz, y^2z, yz^2/2

If we can find a solution to this equation, then we can write a as a sum of b and the curl of (φa) divided by φ. However, it is not always possible to find a solution to this equation, especially if the right-hand side has non-zero divergence (which is the case here).

Therefore, it is not possible to find a vector field a that satisfies ∇ × a = (-9xyz, y^2z, yz^2/2) in general.

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Consider the graph of function g below. A diagonal curve declines from (negative 3, 8), (negative 2, 5), (negative 1, 2), (0, negative 1), (1, negative 4), (2, negative 7), and (3, negative 10) on an x y coordinate plane. Determine which sequences of transformations could be applied to the parent function f(x) = x to obtain the graph of g. reflect over the y-axis, vertically stretch by a factor of 3, and then shift down 1 unit reflect over the x-axis, vertically stretch by a factor of 3, and then shift down 1 unit shift right 1 unit, reflect over the x-axis, and then vertically stretch by a factor of 3 shift right 1 unit, reflect over the y-axis, and then vertically stretch by a factor of 3 shift down 1 unit, reflect over the x-axis, and then vertically stretch by a factor of 3 shift left 2 units, reflect over the x-axis, and then vertically stretch by a factor of 3

Answers

Based on the information, the correct answer is: reflect over the x-axis, vertically stretch by a factor of 3, and then shift down 1 unit.

How to explain the graph

The graph of function g is a reflection of the graph of the parent function f(x) = x over the x-axis. This is because the y-values of the points on the graph of g are the negative of the y-values of the corresponding points on the graph of f.

The graph of function g is also vertically stretched by a factor of 3. This is because the distance between any two points on the graph of g is 3 times the distance between the corresponding points on the graph of f.

The graph of function g is also shifted down 1 unit. This is because the y-values of the points on the graph of g are 1 less than the y-values of the corresponding points on the graph of f.

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Consider the graph of function g below. A diagonal curve declines from (negative 3, 8), (negative 2, 5), (negative 1, 2), (0, negative 1), (1, negative 4), (2, negative 7), and (3, negative 10) on an x y coordinate plane. Determine which sequences of transformations could be applied to the parent function f(x) = x to obtain the graph of g.

reflect over the y-axis, vertically stretch by a factor of 3, and then shift down 1 unit

reflect over the x-axis, vertically stretch by a factor of 3, and then shift down 1 unit shift right 1 unit,

reflect over the x-axis, and then vertically stretch by a factor of 3 shift right 1 unit, reflect over the y-axis, and then vertically stretch by a factor of 3 shift down 1 unit,

reflect over the x-axis, and then vertically stretch by a factor of 3 shift left 2 units, reflect over the x-axis, and then vertically stretch by a factor of 3

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