find the indefinite integral. (use c for the constant of integration.) tan3 x sec6 x dx

Answer:

3201.3ft³

Step-by-step explanation:

V=πr²h

Large container:

V=π·11²·19

V=7222.52

Small container

V=π·8²·20

V=4021.24

7222.52-4021.24=3201.28

Rounded to the nearest tenth is 3201.3

Considering the dot plot and visual inspection, it is likely that group B has a lower mean. The reason for this is because it has a higher proportion of it's measures to the left of the dot plot than group A.

The mean of a data-set is given by the sum of all observations in the data-set divided by the cardinality of the data-set, which represents the number of observations in the data-set.

The dot plot shows the number of instances that each observation appeared in the data-set, hence we use it to identify the position of the measures.

Group B has more dots at the left of the graph, meaning that the smaller measures are more common than in group A, and thus it more than likely has a lower mean.

More can be learned about the mean of a data-set at brainly.com/question/1136789

#SPJ1

Jack's total profit from selling all of his pens is 430p.

To calculate Jack's total profit, we need to consider the profit made from selling 80% of the pens at a 20% profit and the loss incurred from selling the remaining 20% at a reduced price.

Let's break down the calculations :

Cost of purchasing 50 pens

The cost of each pen is 65p, so the total cost of purchasing 50 pens is [tex]50 \times 65p = 3250p.[/tex]

Profit from selling 80% of the pens

Jack sells 80% of the pens, which is[tex]0.8 \times 50 = 40[/tex] pens.

He makes a 20% profit on each pen, which is 20% of 65p = 13p profit per pen.

So, the total profit from selling these 40 pens is [tex]40 \times 13p = 520p.[/tex]

Loss from selling the remaining 20% of the pens

The remaining 20% of the pens is[tex]0.2 \times 50 = 10[/tex] pens.

Jack incurs a loss of 9p on each of these pens.

So, the total loss from selling these 10 pens is [tex]10 \times 9p = 90p.[/tex]

Total profit

To calculate the total profit, we subtract the loss from the profit:

Total profit = Profit - Loss = 520p - 90p = 430p.

For similar question on total profit.

https://brainly.com/question/29200720  

#SPJ11

S is a function from the set of positive integers to the set of positive integers, defined as the sum of the positive divisors of a given integer. The questions to be answered are whether S is one-to-one, onto, or a one-to-one correspondence.

To determine if S is one-to-one, we need to check whether different inputs to the function produce different outputs. In other words, if S(a) = S(b) for some positive integers a and b, does it follow that a = b? To prove that S is not one-to-one, we can provide a counterexample. For example, S(6) = 1 + 2 + 3 + 6 = 12, and S(28) = 1 + 2 + 4 + 7 + 14 + 28 = 56, but 6 ≠ 28. Therefore, S is not one-to-one.

To determine if S is onto, we need to check whether every positive integer is in the range of the function. In other words, for every positive integer y, is there some positive integer x such that S(x) = y? To prove that S is not onto, we can provide a counterexample. For example, there is no positive integer x such that S(x) = 2. Therefore, S is not onto.

A function is a one-to-one correspondence if it is both one-to-one and onto. Since S is not one-to-one and not onto, it is not a one-to-one correspondence.

Learn more about Positive Integer here: brainly.com/question/18380011

#SPJ11

Answer: y=(7/8)x+6

Step-by-step explanation:

The slope is (7/8) and the y-intercept is 6. The slope-intercept form of a line is y=mx+b.

After considering all the given data we conclude that yes  41 is a square modulo 1 000 000, under the condition that both congruences x₂ ≡ 41 mod 26 and x₂ ≡ 41 mod 56 have solutions.

We can apply the Chinese Remainder Theorem (CRT) to solve this problem.

Firstly, we have to evaluate the solutions of x² ≡ 41 mod 26 and x² ≡ 41 mod 56.

For x² ≡ 41 mod 26, we clearly see that x² ≡ 15 mod 26 is a solution since 15² = 225 ≡ 41 mod 26.

For x² ≡ 41 mod 56, we can apply the fact that x² ≡ a mod p has solutions if and only if [tex]a^{(P-1)} /2[/tex] ≡ 1 mod p (Euler's criterion).

Since p = 56 = 7 × 8, we have:

[tex]a^{(p-1)} /2[/tex] = a²¹ ≡ (a⁷)³ ≡ (-1)³ ≡ -1 mod p

Hence, x² ≡ 41 mod 56 has no solutions.

Now we can apply CRT to find the solutions of x² ≡ 41 mod (26 × 56) = 1456.

Since gcd(26,56) = 2, we have:

26 × u + 56 × v = gcd(26,56) = 2

Evaluating  this equation gives us u = -13 and v = 6.

So, the solutions of x² ≡ 41 mod (26 × 56) are:

x ≡ (15 × 56 × 6 - (-13) × 26 × (-1)) mod (26 × 56) = 937 or

x ≡ (-15 × 56 × 6 - (-13) × (-26) × (-1)) mod (26 × 56) = 519.

Hence, there are two solutions for x modulo one million: 519 and 481.

To learn more about Chinese Remainder Theorem

https://brainly.com/question/30806123

#SPJ1

The value of Tan D is corect. Sin C is incorrect. From Cot C find cosec C which is equal to 17/15. Therefore sin C = 15/17

Wrong Solution First, we know that cot C is equal to the ratio of the adjacent side to the opposite side in a right triangle. So, cot C = 8/15 implies that the adjacent side is 8 and the opposite side is 15.

Next, we are given that cos D is equal to the ratio of the adjacent side to the hypotenuse in a right triangle. So, cos D = 15/17 implies that the adjacent side is 15 and the hypotenuse is 17.

Now, to find tan D, we can use the relationship between the tangent and sine functions: tan D = sin D / cos D. Since we know cos D = 15/17, we need to find sin D. Using the Pythagorean theorem, we can find the opposite side:

sin D = √(1 - cos^2 D)

= √(1 - (15/17)^2)

= √(1 - 225/289)

= √(289/289 - 225/289)

= √(64/289) = 8/17.

Therefore, tan D = sin D / cos D = (8/17) / (15/17) = 8/15.

Finally, to find sin C, we can use the Pythagorean theorem:

sin^2 C = 1 - cos^2 C = 1 - (15/17)^2 = 1 - 225/289 = 64/289.

Taking the square root of both sides, we get

sin C = √(64/289) = 8/17.

In summary, tan D = 8/15 and sin C = 8/17.

The values of tan D and sin C are  tan D = 8/15 and sin C = 8/17

To learn more about : tan

https://brainly.com/question/30938518

#SPJ11

To find the extremum of the function f(x,y) = 2y^2-9x^2 subject to the constraint 3xy = 27x, we can use the method of Lagrange multipliers.

Let g(x,y) = 3xy - 27x be the constraint function. We want to find the critical points of the function f(x,y) subject to the constraint g(x,y) = 0, so we set up the following system of equations:

∇f(x,y) = λ∇g(x,y)

g(x,y) = 0

where λ is the Lagrange multiplier.

Taking the partial derivatives of f(x,y) with respect to x and y, we get:

∂f/∂x = -18x

∂f/∂y = 4y

Taking the partial derivatives of g(x,y) with respect to x and y, we get:

∂g/∂x = 3y - 27

∂g/∂y = 3x

Setting ∇f(x,y) = λ∇g(x,y), we get the following system of equations:

-18x = λ(3y - 27)

4y = λ(3x)

Multiplying the first equation by 4 and the second equation by -6, we get:

-72x = λ(12y - 108)

-24y = λ(-18x)

Simplifying these equations, we get:

4x = λ(y - 9)

y = 3λx/2

Substituting y = 3λx/2 into the first equation, we get:

4x = λ(3λx/2 - 9)

8x = λ^2x - 18λ

x(λ^2 - 8) = 18λ

If x = 0, then y = 0, which is not a critical point since f(0,0) = 0. Therefore, we can divide both sides by x to get:

λ^2 - 8 = 18/ x

If λ^2 - 8 < 0, then there are no critical points since the equation above has no real solutions. Therefore, we assume λ^2 - 8 ≥ 0, which gives:

λ = ±√(8 + 18/x)

Substituting λ into y = 3λx/2, we get:

y = ±√(2x(8 + 18/x))/2

We want to find the extremum of f(x,y) = 2y^2-9x^2, so we evaluate this function at the critical points:

f(x,y) = 2y^2-9x^2 = 2(2x(8 + 18/x))/4 - 9x^2 = (4x^2 + 36) / x - 9x^2

Taking the derivative of f(x,y) with respect to x, we get:

f'(x,y) = (8x - 36)/x^2 - 18

Setting f'(x,y) = 0, we get:

8x - 36 = 18x^2

18x^2 - 8x + 36 = 0

Solving for x, we get:

x = (2 ± √13)/9

Substituting x into y = ±√(2x(8 + 18/x))/2, we get:

y = ±(4 ± √13)√2/3

Therefore, the critical points are (x,y) = x = (2 ± √13)/9, y = ±(4 ± √13)√2/3

Learn more about Lagrange Multipliers, here:

brainly.com/question/15451607

#SPJ11

Given that triangle XYZ and triangle JKL are similar, the length of LJ is 13.12

From the question, we are to determine the length of side LJ given that triangle XYZ and triangle JKL are similar.

From the triangle similarity theorem, we know that

If triangle ABC and triangle DEF are similar,

Then,

AB/DE = BC/EF

Thus,

Since triangle XYZ and triangle JKL are similar, we can write that

XY/JK = ZX/LJ

From the given information,

XY = 8.7

JK = 13.92

ZX = 8.2

Thus,

8.7 / 13.92 = 8.2 / LJ

LJ = (8.2 × 13.92) / 8.7

LJ = 114.144 / 8.7

LJ = 13.12

Hence,

The length of LJ is 13.12

Learn more on Similar triangles here: https://brainly.com/question/29296759

#SPJ1

The required farmer should choose a length of 56 feet for the garden to maximize its area.

we need to maximize A with respect to x, subject to the constraint that the perimeter of the garden (the amount of fencing needed) is 200 feet. The perimeter is given by:

P = x + 2y + π*x/2

Substituting y = x/2, we get:

P = x + 2(x/2) + π*x/2
200 = (2 + π/2)*x
x = 56

Therefore, the farmer should choose a length of 56 feet for the garden to maximize its area.

Learn more about the area here:

https://brainly.com/question/27683633

#SPJ1

Answer: A) 2010

Step-by-step explanation:

The y-intercept of the function f(x) is 1.

The y-intercept of a function is the point where the graph of the function intersects the y-axis. It represents the value of the function when x=0. To find the y-intercept of a function, we can substitute x=0 into the function and evaluate it.

In the case of the function [tex]f(x) = 2x^2 - 2x + 1[/tex], when x=0, we have:

[tex]f(0) = 2(0)^2 - 2(0) + 1 = 1[/tex]

Therefore, the y-intercept of the function f(x) is 1. This means that the graph of the function intersects the y-axis at the point (0, 1).

Knowing the y-intercept is important when graphing the function, as it provides a reference point for drawing the graph. Additionally, the y-intercept can provide information about the behavior of the function as x approaches infinity or negative infinity.

for such more question on y-intercept

https://brainly.com/question/9753782

#SPJ11

To find the area of the region bounded by the polar curves θ = π and r = 10θ, 0 ≤ θ ≤ 1.5π, we use the formula for the area enclosed by a polar curve: A = 1/2 ∫[θ1,θ2] (r(θ))^2 dθ,where θ1 and θ2 are the angles at which the curves intersect.

In this case, the curves intersect at θ = π and r = 10π, so θ1 = π and θ2 = 1.5π. We substitute r = 10θ into the formula and integrate:

A = 1/2 ∫[π,1.5π] (10θ)^2 dθ

= 1/2 ∫[π,1.5π] 100θ^2 dθ

= 50 ∫[π,1.5π] θ^2 dθ

= 50 [θ^3/3] [π,1.5π]

= 50 (1.5π)^3/3

= 562.5π^3

Therefore, the area of the region bounded by the polar curves θ = π and r = 10θ, 0 ≤ θ ≤ 1.5π is 562.5π^3 square units.

To learn more about area : brainly.com/question/27683633

#SPJ11

The equation representing the situation is 20(3 cups) - p(2 cups) = 36 cups, where p represents the number of pots knocked over.

The initial amount of soil in the pots is given by 20 pots multiplied by 3 cups per pot, which gives 20(3 cups). The number of pots knocked over is represented by p, and each knocked-over pot loses 2 cups of soil.

Therefore, the total soil lost due to knocked-over pots is p(2 cups). Subtracting this from the initial amount of soil, we get 20(3 cups) - p(2 cups). The result should be equal to the remaining soil, which is 36 cups. Hence, the equation representing this situation is 20(3 cups) - p(2 cups) = 36 cups. This equation relates the number of pots knocked over (p) to the remaining soil (36 cups).

Learn more about Multiplication here: brainly.com/question/11527721

#SPJ11

The area of the trapezoid is 25. 8 ft²

We can see from information given that the shape is a trapezoid.

Hence, the formula for calculating the area of a trapezoid is expressed as;

A = a + b/2 h

Such that the parameters of the given equation are;

Substitute the value, we have that;

Area = 2.7 + 5.9)/2 × 6

add the values, we have;

Area = 8. 6/2 ×6

Divide the values, we have;

Area = 25. 8 ft²

Learn about area at: https://brainly.com/question/25292087

#SPJ1

To find the angle that maximizes the range of a projectile, you can follow these steps:

1. Determine the range formula: The range (R) of a projectile can be found using the formula R = (v² * sin(2θ)) / g, where v is the initial velocity, θ is the launch angle, and g is the acceleration due to gravity (approximately 9.81 m/s²).

2. In this case, the initial velocity (v) is 70 m/s, so the formula becomes R = (70² * sin(2θ)) / 9.81.

3. To maximize the range, you need to find the angle (θ) that results in the highest value of R. To do this, you can use a graphing utility to graph the function R(θ) = (4900 * sin(2θ)) / 9.81 and find its maximum value.

4. Using a graphing utility, you will find that the maximum range occurs when θ ≈ 45°.

5. Round your answer to one decimal place: The angle that maximizes the arc length of the trajectory is approximately 45.0°.

So, to maximize the range of a projectile launched at 70 m/s, the optimal angle is 45.0° with the horizontal.

To know more about range visit:

https://brainly.com/question/28135761

#SPJ11

The third-degree Taylor polynomial for f(x) = arcsin(5x) centered at a = 0 is t3(x) = 5x - (125/2)x³.

To find the Taylor polynomial t3(x) for the function f(x) = arcsin(5x) centered at a = 0, we will need to compute the function's derivatives at a = 0 up to the third order.

First, let's compute the first few derivatives of f(x):
f(x) = arcsin(5x)
f'(x) = 5 / sqrt(1 - 25x^2)
f''(x) = 125x / (1 - 25x^2)^(3/2)
f'''(x) = (9375x^2 - 375) / (1 - 25x^2)^(5/2)

Now, let's evaluate these derivatives at a = 0:
f(0) = 0
f'(0) = 5 / sqrt(1) = 5
f''(0) = 0
f'''(0) = -375 / (1)^(5/2) = -375

Using these values, we can write the third-degree Taylor polynomial t3(x) as follows:

t3(x) = f(0) + f'(0)x + (f''(0)/2!)x^2 + (f'''(0)/3!)x^3
t3(x) = 0 + 5x + 0 + (-375/6)x^3
t3(x) = 5x - (125/2)x^3

Therefore, the third-degree Taylor polynomial for f(x) = arcsin(5x) centered at a = 0 is t3(x) = 5x - (125/2)x^3.

Know more about Taylor polynomial here:

https://brainly.com/question/2533683

#SPJ11

The absolute maximum value is 3√3, and the absolute minimum value is 3 on the set d.

In mathematics, a function is a unique arrangement of the inputs (also referred to as the domain) and their outputs (sometimes referred to as the codomain), where each input has exactly one output and the output can be linked to its input.

To find the absolute maximum and minimum values of the function f(x, y) = xy² on the set d = {(x, y) | x ≥ 0, y ≥ 0, x² y² ≤ 3}, we can employ the method of Lagrange multipliers. This method allows us to optimize a function subject to certain constraints.

Let's define the function g(x, y) = x² y² - 3, which represents the constraint x² y² ≤ 3. We can now set up the following equations:

1. ∇f = λ∇g

2. x² y² = 3 (constraint equation)

Here, ∇f represents the gradient of f(x, y), and ∇g represents the gradient of g(x, y). λ is the Lagrange multiplier.

First, let's calculate the partial derivatives of f(x, y) and g(x, y):

∇f = (∂f/∂x, ∂f/∂y) = (y², 2xy)

∇g = (∂g/∂x, ∂g/∂y) = (2xy², 2x²y)

Setting up the equations:

1. y² = λ * 2xy²

2. 2xy = λ * 2x²y

3. x² y² = 3 (constraint equation)

From equation 1, we can deduce two possibilities:

  a) y² = 0 (which implies y = 0)

  b) λ = 1/2x

For case a) y = 0, substituting it into equation 3 gives us x² * 0² = 3, which is not possible since x² * 0 = 0 ≠ 3. Therefore, case a) is not valid.

Now let's consider case b) λ = 1/2x. Substituting this into equation 2, we get:

2xy = (1/2x) * 2x²y

2xy = xy

Cancelling out the common factors of xy, we have x = 1.

Substituting x = 1 into equation 3, we find:

1 * y² = 3

y² = 3

y = √3

Thus, we have the critical point (1, √3) that satisfies the constraints.

Next, we need to check the boundaries of the feasible region, which is defined by x ≥ 0, y ≥ 0, and x² y² ≤ 3.

When x = 0, the constraint equation becomes 0 * y² = 3, which is not valid.

When y = 0, the constraint equation becomes x² * 0² = 3, which is not valid.

Now, let's consider the boundary when x² y² = 3:

When x = √3 and y = √3, the constraint equation is satisfied.

In summary, we have the following critical points and boundary points:

- Critical Point: (1, √3)

- Boundary Point: (√3, √3)

Finally, we need to evaluate the function f(x, y) = xy² at these points to find the absolute maximum and minimum values.

For the critical point (1, √3):

f(1, √3) = 1 * (√3)² = 1 * 3 = 3

For the boundary point

(√3, √3):

f(√3, √3) = √3 * (√3) = √3 * 3 = 3√3

Therefore, the absolute maximum value is 3√3, and the absolute minimum value is 3 on the set d.

Learn more about function on:

https://brainly.com/question/10439235

#SPJ4

Answer:

C

Step-by-step explanation:

(k - 1)(6k + 5)

each term in the second factor is multiplied by each term in the first factor , that is

k(6k + 5) - 1(6k + 5) ← distribute parenthesis

= 6k² + 5k - 6k - 5 ← collect like terms

= 6k² - k - 5

Answer: i think the awnser to your question is A  real number

Step-by-step explanation:

Taking the absolute value of a number, whether it's negative or positive, always returns either a positive value or zero.

Let's say we have a number line with the point A on it. Think of the absolute value of A as the distance between point A and zero. Since the distance cannot be negative, the absolute value will always return a positive value.

A positive number is always greater than zero, and zero is equal to zero. Therefore, the answer is True.

Using the relation between velocity, distance and time, the equation that relates x and y is given by x + y - 3 = 0.

Velocity is distance divided by time, so

v = d/t

In this case , Austin wants to run 30 km at a rate of 10 km per hour, this can be represented as

10t = 30

t = 3.

The total time is 3 hours.

Looking at x as the number of hours he runs and y the number of hours he walks, along with the total time, the equation is given by

x + y = 3.

In standard form

x + y - 3 = 0.

Learn more about velocity:
https://brainly.com/question/17127206
#SPJ1

The comparison distribution in a t test for dependent means is a distribution of the differences between the pairs of scores on the dependent variable.

This distribution is used to determine whether the observed differences between the means of two related groups are statistically significant or could have occurred by chance. The t statistic is calculated by dividing the mean difference between the pairs of scores by the standard error of the mean difference, which is based on the variance of the differences in the sample. The t statistic is then compared to a t distribution with degrees of freedom equal to the number of pairs of scores minus one to determine the probability of obtaining the observed difference by chance.

Learn more about standard error here:

https://brainly.com/question/14524236

#SPJ11

The prime factorization of 8051 is 8051 = 13 * 619.

Suppose we know that 79612 ≡ 72 (mod 8051).

We can use this information to factor 8051 as follows:

Let's subtract 72 from 79612 and get:

79540 ≡ 0 (mod 8051)

This means that 8051 divides 79540 - 0, or equivalently, 8051 divides 79540.

We can use long division to find:

79540 / 8051 = 9 with a remainder of 539

This means that 79540 = 9 * 8051 + 539.

We can repeat this process with 8051 and 539:

8051 / 539 = 14 with a remainder of 165

This means that 8051 = 14 * 539 + 165.

We can repeat again with 539 and 165:

539 / 165 = 3 with a remainder of 44

This means that 539 = 3 * 165 + 44.

We can repeat one last time with 165 and 44:

165 / 44 = 3 with a remainder of 33

This means that 165 = 3 * 44 + 33.

Now, we can write each remainder as a linear combination of 8051 and 539:

539 = 8051 - 14 * 539 + 165 - 165 = 8051 - 15 * 539 - 165

165 = 539 - 3 * 165 + 44 - 44 = -2 * 539 + 4 * 165 + 44

44 = 165 - 3 * 44 - 33 = -3 * 8051 + 44 * 539 - 7 * 165 - 33

Substituting the values of 539 and 165 in the second equation yields:

44 = -2 * (8051 - 15 * 539 - 165) + 4 * 165 + 44

Simplifying and rearranging, we get:

44 = -2 * 8051 + 34 * 539 + 326

Therefore, 8051 can be factored as:

8051 = 44 * 183 + 1

= (-2 * 44) * 183 + 2

= (-2 * (-2 * 8051 + 34 * 539 + 326)) * 183 + 2

= 4 * 8051 - 2486 * 539 - 366

So, the prime factorization of 8051 is 8051 = 13 * 619.

Learn more about prime factorization here

https://brainly.com/question/18187355

#SPJ11

The area of each tile is 1 sq ft, No of tiles required is 176 sq ft /1 sq ft = 176

What is the area of the rectangle?

The area a rectangle occupies is the space it takes up inside the limitations of its four sides. The dimensions of a rectangle determine its area. In essence, the area of a rectangle is equal to the sum of its length and breadth.

Here, we have

Given: The pool is designed to be a 60 ft by 26 ft rectangle, and the deck around the pool is going to be lined with slate tiles that are 1 ft squares.

We have to find out how many tiles are needed.

The internal Length of the rectangle is 60ft

Internal Breadth of the rectangle is 26 ft

External Length of the rectangle is 60+ 2*1 = 62ft

External Breadth of the rectangle is 26+ 2*1 = 28ft

Area of the deck to be tiled = Outer Area - Inner area

  = (62×28 ) - (60×26)

  = 1736 - 1560

 =  176 Sq ft

Hence, the area of each tile is 1 sq ft, No of tiles required is 176 sq ft /1 sq ft = 176

To learn more about the area of the rectangle from the given link

https://brainly.com/question/2607596

#SPJ4

Let the total number of goats that McDonald had be x. After evenly dividing them between Lilly and Hawk, each of them would have received x/2 goats. However, Lilly lost 35 goats, so she was left with (x/2 - 35) goats. Similarly, Hawk lost 40 goats and was left with (x/2 - 40) goats.

When Lilly sold each goat for $80, she earned (x/2 - 35) * $80 = 80x/2 - 35*80 = 40x - 2800 dollars. When Hawk sold each goat for $60, he earned (x/2 - 40) * $60 = 60x/2 - 40*60 = 30x - 2400 dollars.

Given that Lilly earned $1100 more than Hawk, we can set up the equation:

40x - 2800 = 30x - 2400 + 1100

Solving for x, we get x = 400. Therefore, McDonald had a total of 400 goats.

To learn more about dollars : brainly.com/question/15169469

#SPJ11

After 6 hours, the population of bacteria in the Petri dish would be 4800.

If the population of bacteria in a Petri dish doubles every 2 hours, we can calculate the population at any given time using the formula

P = P₀[tex]\times 2^{(t/d),[/tex]

where P is the final population, P₀ is the initial population, t is the time elapsed, and d is the doubling time.

In this case, the initial population (P₀) is 600 bacteria, and the doubling time (d) is 2 hours. Let's calculate the population after a certain time, say 6 hours:

[tex]P = 600 \times 2^{(6/2)}\\P = 600 \times 2^3\\P = 600 \times 8\\P = 4800[/tex]

Therefore, after 6 hours, the population of bacteria in the Petri dish would be 4800.

for such more question on population

https://brainly.com/question/13769205

#SPJ11

There are 4,080 different arrangements of first, second, and third place possible for the 17 students running in the race.

To determine the number of different arrangements of first, second, and third place, we need to use the permutation formula.

The number of permutations of n objects taken r at a time is given by:

P(n,r) = n!/(n-r)!

In this problem, we have 17 students running, and we want to determine the number of different arrangements of first, second, and third place, which means we need to find the number of permutations of 17 objects taken 3 at a time.

Using the permutation formula, we get:

P(17,3) = 17!/(17-3)!

= 17!/14!

= 171615

= 4,080

Therefore, there are 4,080 different arrangements of first, second, and third place possible for the 17 students running in the race.

for such more question on permutation

https://brainly.com/question/1216161

#SPJ11

The bearing of the ship from boston is approximately s36.

to solve this problem, we need to use vector addition to find the displacement of the ship from boston to its current position. we can start by breaking down the ship's motion into two parts: the first hour of motion at 10 nm/hr on a bearing of s80°e, and the next 2 hours of motion at 20 nm/hr on a bearing of s45°w (which is equivalent to n45°e).

for the first hour of motion, we can find the ship's initial displacement as follows:

distance = speed × time         = 10 nm/hr × 1 hr

        = 10 nm

using trigonometry, we can find the horizontal and vertical components of this displacement:

horizontal distance = 10 nm × cos(80°)                     = 1.68 nm (rounded to two decimal places)

vertical distance = 10 nm × sin(80°)

                  = 9.92 nm (rounded to two decimal places)

, the ship's initial displacement from boston is 1.68 nm to the east and 9.92 nm to the south.

for the next 2 hours of motion, we can find the ship's additional displacement as follows:

distance = speed × time         = 20 nm/hr × 2 hr

        = 40 nm

using trigonometry again, we can find the horizontal and vertical components of this displacement:

horizontal distance = 40 nm × cos(45°)

                    = 28.28 nm (rounded to two decimal places)

vertical distance = 40 nm × sin(45°)                   = 28.28 nm (rounded to two decimal places)

, the ship's additional displacement is 28.28 nm to the northeast.

to find the ship's total displacement, we can add the initial and additional displacements using vector addition:

horizontal displacement = 1.68 nm - 28.28 nm

                       = -26.60 nm (rounded to two decimal places)

vertical displacement = 9.92 nm + 28.28 nm                      = 38.20 nm (rounded to two decimal places)

the negative sign for the horizontal displacement indicates that the ship is west of boston. we can find the bearing of the ship from boston using trigonometry:

tan(θ) = horizontal displacement / vertical displacement

θ = arctan(horizontal displacement / vertical displacement)

θ = arctan(-26.60 nm / 38.20 nm)

θ ≈ -36.6° (rounded to one decimal place)

however, we need to adjust this   angle    by adding 180° since the ship is now in the southern hemisphere.

θ = -36.6° + 180°θ ≈ 143.4° (rounded to one decimal place) 6°w (or n36.6°e).

Learn more about angle here:

https://brainly.com/question/31818999

#SPJ11