this is due today im stuck on the last question

The force acting on the object is 25 N when the acceleration of the object becomes 5 m/s².

According to the problem, the force (F) varies directly with the object's acceleration (a), which can be expressed as F = k × a, where k is the proportionality constant. To find the value of k, we can use the given information that when F = 15 N, a = 3 m/s²:

15 N = k × 3 m/s²

k = 5 Ns²/m

Now, we can use the value of k to find the force (F) when the acceleration (a) becomes 5 m/s²:

F = k × a

F = 5 Ns²/m × 5 m/s²

F = 25 N

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All non-terminating decimals are not included in the set of rational numbers.

The set of rational numbers includes all integers, all whole numbers, and all repeating and non-terminating decimals.

An integer is a rational number because it can be expressed as a fraction with a denominator of 1.

A whole number is also a rational number because it can be expressed as a fraction with a denominator of 1. A repeating decimal is a decimal that has a repeating pattern of digits after the decimal point, and it can be expressed as a fraction with a denominator of a power of 10. For example, 0.666... can be expressed as 2/3.

A non-terminating decimal is a decimal that goes on forever without repeating, and it can also be expressed as a fraction with a denominator of a power of 10.

For example, 0.456789... can be expressed as 456789/999999. Therefore, all of these are included in the set of rational numbers.

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If the current stock price of Purcell Industries is $15 and the strike price of the option is also $15, the option is considered to be at the money (ATM). Therefore, the value of the option will depend on various factors such as the time to expiration, volatility, and interest rates.

When the strike price of an option is equal to the current market price of the underlying stock, it is said to be at the money. In the case of Purcell Industries, since the current stock price is $15 and the strike price of the option is also $15, the option is at the money. An ATM option has no intrinsic value because the option does not have any profit or loss in the underlying asset.

The value of an ATM option is based solely on its time value, which is the amount of time remaining until the option's expiration date. The time value of an option can be influenced by various factors, including the volatility of the underlying asset, interest rates, and other market conditions. For example, an increase in volatility would increase the time value of an option because there is a greater chance that the stock price could move in a favorable direction for the option holder. Similarly, an increase in interest rates would increase the time value of a call option but decrease the time value of a put option.

Overall, an ATM option has no intrinsic value, and its value is based on various market factors. Therefore, it is important to consider these factors when deciding whether to buy or sell an ATM option.

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If there will be 6 cheese sections that are 3 1/3 inches long and 5 vegetable sections that are 4 3/8 inches long, the length of the giant sandwich is 41.875 inches.

To find the total length of the sandwich, we need to add the lengths of all the cheese and vegetable sections together.

First, we need to convert the mixed number 3 1/3 to an improper fraction:

3 1/3 = (3 x 3 + 1)/3 = 10/3

Similarly, we need to convert 4 3/8 to an improper fraction:

4 3/8 = (4 x 8 + 3)/8 = 35/8

Now we can calculate the total length of the sandwich by multiplying the length of each section by the number of sections and adding them together:

Total length = (6 x 10/3) + (5 x 35/8)

= 20 + 21.875

= 41.875 inches

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Now, we have the total cost of 5 sets before the discount as $56.25. Since there are 5 sets, we can write the equation:
5p = $56.25 the regular price, p, of a hat and glove set is $11.25

To determine the regular price, p, of a hat and glove set, we can use the equation:
5(p - 1.5) + 5(9.99) = 48.75
Here, we are subtracting $1.50 (the coupon value) from the regular price, p, for each of the 5 hat and glove sets that Mrs. James purchased. We are also adding the cost of 5 scarfs, which are priced at $9.99 each. This total cost equals the amount that Mrs. James paid after using the coupons, which is $48.75.
Simplifying the equation, we get:

5p - 7.5 + 49.95 = 48.75

5p = 6.3

p = $1.26

Therefore, the regular price of a hat and glove set is $1.26.
Hi! I'd be happy to help you with this problem. Let's break down the given information and use it to form an equation:
Mrs. James buys 5 hat and glove sets for charity. She has coupons for $1.50 off the regular price of each set. After using the coupons, the total cost is $48.75.
Let p be the regular price of a hat and glove set.
Since Mrs. James buys 5 sets, and each set has a discount of $1.50, the total discount for all 5 sets is 5 * $1.50 = $7.50.
After applying the discounts, the total cost is $48.75. Therefore, the combined cost of all 5 sets before the discount is $48.75 (total cost after discount) + $7.50 (total discount) = $56.25.
Now, we have the total cost of 5 sets before the discount as $56.25. Since there are 5 sets, we can write the equation:
5p = $56.25
This equation can be used to determine the regular price (p) of a hat and glove set.

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The expected value of x is e(√(x)) = e(√(2)) ≈ 1.6487.

The number of possible outcomes when tossing an unbiased coin four independent times is 2^4 = 16, and the probability of obtaining x heads is given by the binomial distribution:

P(x) = (4 choose x) * (1/2)^4 = (4!/(x!(4-x)!) * 1/16

Thus, the expected value of x is:

E(x) = Σ[xP(x)] from x=0 to x=4

= 0*(1/16) + 1*(4/16) + 2*(6/16) + 3*(4/16) + 4*(1/16)

= 2

So, e(√(x)) = e(√(2)) ≈ 1.6487.

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The work done by the force field F(x,y) = 2x/y i - x^2/y^2 j in moving an object from the point (-1,1) to (3,2) can be found by evaluating the line integral along the path connecting the two points. The line integral involves integrating the dot product of the force field and the path vector with respect to the path parameter.

To find the work done by the force field F(x,y) = 2x/y i - x^2/y^2 j in moving an object from the point (-1,1) to (3,2), we need to evaluate the line integral along the path connecting these two points.

Let's denote the path as C and parameterize it as r(t) = (x(t), y(t)), where t ranges from 0 to 1. We can express the path vector as dr = (dx, dy) = (dx/dt, dy/dt) dt.

The line integral can be written as:

Work = ∫ F · dr

where F is the force field F(x,y) = 2x/y i - x^2/y^2 j and dr is the path vector.

By substituting the expressions for F and dr, we have:

Work = ∫ (2x/y dx/dt - x^2/y^2 dy/dt) dt

To evaluate this line integral, we need to determine the parametric equations for x(t) and y(t) that describe the path connecting (-1,1) and (3,2). Once we have the parametric equations, we can calculate dx/dt and dy/dt, substitute them into the integral, and evaluate it over the interval [0,1].

The resulting value will be the work done by the force field in moving the object along the given path from (-1,1) to (3,2).

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Answer: Approximately 28 copies per minute.

Step-by-step explanation:

To find the number of copies the machine makes per minute, we need to first convert the time to minutes.

4 minutes and 45 seconds can be written as 4 + 45/60 = 4.75 minutes.

Next, we can divide the total number of copies (133) by the total time in minutes (4.75):133 copies / 4.75 minutes ≈ 28 copies per minute

Therefore, the copy machine makes approximately 28 copies per minute.

The solutions using the graph, observe the x-values where the graph intersects with the corresponding lines: (i) x ≈ -1 and x ≈ 1, (ii) x ≈ -1.5 and x ≈ 1.

To find estimates for the solutions of the given equations using the graph of [tex]y = 3x^2 - 3x - 1[/tex], we need to analyze the points of intersection between the graph and the corresponding lines.

i) [tex]3x^2 - 3x + 2 = 2:[/tex]

By subtracting 2 from both sides of the equation, we can rewrite it as:

[tex]3x^2 - 3x = 0[/tex]

We are looking for the x-values where this equation is satisfied. From the graph, we observe that the parabolic curve intersects the x-axis at two points. These points are approximate solutions to the equation. By visually inspecting the graph, we can estimate that the solutions are around x = -1 and x = 1.

ii)[tex]3x^2 - 3x - 1 = x + 1:[/tex]

By subtracting x + 1 from both sides of the equation, we can rewrite it as:

[tex]3x^2 - 4x - 2 = 0[/tex]

Again, we can observe from the graph that the parabolic curve intersects the line y = x + 1 at two points. By visually examining the graph, we can estimate the solutions to be around x = -1.5 and x = 1.

It's important to note that these estimates are based on visual inspection of the graph and are not precise solutions. For accurate solutions, algebraic methods such as factoring, completing the square, or using the quadratic formula should be employed.

However, by using the graph, we can make approximate estimates of the solutions to these equations.

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The median distance driven by the company's bus drivers in the past week is 261.5 miles.

To find the median of the given sample data, we first need to arrange the data in order from smallest to largest:

45, 70, 242, 255, 268, 268, 452, 490

The median is the middle value in the data set. If the data set has an odd number of values, then the median is the middle value. If the data set has an even number of values, then the median is the average of the two middle values.

In this case, we have 8 values, which is an even number. The two middle values are 255 and 268. To find the median, we take the average of these two values:

median = (255 + 268) / 2

= 523 / 2

= 261.5

Therefore, the median distance driven by the company's bus drivers in the past week is 261.5 miles.

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The probability that a randomly selected examinee will complete the exam on time is 0.891 or 89.1%, assuming that the time taken per question follows a normal distribution with a mean of and a standard deviation

To solve this problem, we can use the normal distribution since the time spent per question follows a normal distribution with a mean of and a standard deviation of. We can then find the probability that a randomly selected examinee will complete the exam on time, which is defined as completing the exam within minutes.

Let X be the total time taken by an examinee to complete the exam, then X follows a normal distribution with mean and standard deviation.

The probability that an examinee completes the exam within the given time is equivalent to the probability that the total time taken by the examinee is less than or equal to minutes. We can then find this probability using the standard normal distribution, which is a normal distribution with a mean of 0 and a standard deviation of 1.

To do this, we first standardize the variable X as follows:

Z = (X - µ) / σ

where µ is mean and σ is the standard deviation. Substituting the values, we get:

Z = (180 - x ) /

We can then find the probability that an examinee completes the exam on time by finding the area under the standard normal distribution curve to the left of Z. This can be done using a table of the standard normal distribution or by using a statistical software package such as Excel.

Assuming a normal distribution, we have:

P(Z ≤ (180 - x) / )

Using a standard normal distribution table or statistical software, we can find this probability to be approximately 0.891. Therefore, the probability that a randomly selected examinee will complete the exam on time is approximately 0.891 or 89.1%.

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The probability that the light bulb will last for more than 3000 hours is approximately 0.6065 or 60.65%.

We have,

To calculate the probability that a light bulb will last for more than 3000 hours, we need to use the exponential distribution, which is appropriate for modeling the lifetime of a light bulb.

The exponential distribution is defined by the formula:

[tex]P(X > x) = e^{-x/\mu}[/tex]

Where P(X > x) is the probability that the bulb will last more than x hours, e is the base of the natural logarithm (approximately 2.71828), x is the specific value (3000 hours in this case), and µ is the average lifetime of the light bulb (6000 hours in this case).

Plugging in the values:

[tex]P(X > 3000) = e^{-3000/6000}[/tex]

Calculating this expression:

P(X > 3000) ≈ 0.6065

Therefore,

The probability that the light bulb will last for more than 3000 hours is approximately 0.6065 or 60.65%.

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Thus,  the area of infinite region in the first quadrant between the curve y=e^-x and the x-axis is 1 square unit.

To find the area of the infinite region in the first quadrant between the curve y=e^-x and the x-axis, we need to integrate the function y=e^-x from x=0 to x=∞.

First, let's find the indefinite integral of e^-x:
∫e^-x dx = -e^-x + C

Next, we can use this indefinite integral to find the definite integral from x=0 to x=∞:
∫[0,∞]e^-x dx = lim┬(t→∞)∫[0,t]e^-x dx
= lim┬(t→∞)[-e^-t + e^0]
= lim┬(t→∞)[-e^-t + 1]
= 1

Therefore, the area of the infinite region in the first quadrant between the curve y=e^-x and the x-axis is 1 square unit.

It is important to note that this region is infinite because the curve y=e^-x approaches the x-axis but never actually touches it.

As we integrate from x=0 to x=∞, we are essentially adding up an infinite number of infinitely small rectangles, resulting in an infinitely large area.

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The Area of the triangle with vertices A(0, 0, 0), B(5, 0, 7), and C(-5, 2, 0) is sqrt(74) square units.

To find the area of the triangle with the given vertices, we can use the cross product of two vectors formed by subtracting one vertex from the other two vertices. The magnitude of the cross product of two vectors is equal to the area of the parallelogram formed by the vectors, and half of that is the area of the triangle.

Let vector AB be formed by subtracting point A(0, 0, 0) from point B(5, 0, 7):

AB = B - A = (5, 0, 7) - (0, 0, 0) = (5, 0, 7)

Let vector AC be formed by subtracting point A(0, 0, 0) from point C(-5, 2, 0):

AC = C - A = (-5, 2, 0) - (0, 0, 0) = (-5, 2, 0)

The cross product of AB and AC is:

AB x AC = (0i - 14j - 10k)

The magnitude of AB x AC is:

|AB x AC| = sqrt(0^2 + (-14)^2 + (-10)^2) = sqrt(296) = 2*sqrt(74)

Therefore, the area of triangle ABC is:

A = (1/2) |AB x AC| = (1/2) * 2 * sqrt(74) = sqrt(74)

Hence, the area of the triangle with vertices A(0, 0, 0), B(5, 0, 7), and C(-5, 2, 0) is sqrt(74) square units.

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[tex]y = -\frac{5}{3}x - 4[/tex]

the slope would be [tex]-\frac{5}{3}[/tex]

Answer:

- 5/3

Step-by-step explanation:

The easy way to find the slope is to put the equation in slope-intercept form (y = mx + b) and find what number ends up in front of the variable x.

So we are going to take the equation 5x + 3y + 12 = 0 and isolate variable y by subtracting 5x and 12 and then dividing by 3 on both sides.

5x + 3y + 12 = 0

becomes
5x - 5x + 3y + 12 - 12 = 0 - 5x - 12

simplified to

3y = - 5x - 12

Then we divide by 3 to leave variable y alone:

3y = - 5x - 12

becomes
(3y) / 3 = (- 5x - 12) / 3
or
y = (- 5x / 3) - (12 / 3)
simplified to
y = -(5/3)x - 4 as your equation in slope-intercept form.

The number in front of the x variable (or m) is - 5/3, therefore this is your slope.  

To verify the identity sin(θ) / 1-cos^2θ = cosθ, we start by manipulating the left-hand side of the equation using trigonometric identities. We can use the Pythagorean identity cos^2θ + sin^2θ = 1 to rewrite the denominator as 1-sin^2θ. Then, using the reciprocal identity sinθ/cosθ = tanθ, we can simplify the left-hand side to 1/cosθ.

We can start by manipulating the left-hand side of the equation using trigonometric identities:

sin(θ) / (1-cos^2θ)

= sin(θ) / sin^2θ (using the Pythagorean identity cos^2θ + sin^2θ = 1)

= 1/cosθ (using the reciprocal identity sinθ/cosθ = tanθ)

Now, we can simplify the right-hand side using the definition of cosine:

cosθ = cosθ/1 (multiplying numerator and denominator by 1)

= sin^2θ/cosθsinθ (using the definition of sine and cosine: sinθ = opposite/hypotenuse, cosθ = adjacent/hypotenuse)

= sinθ/sin^2θ (using the Pythagorean identity cos^2θ + sin^2θ = 1)

= 1/cosθ (using the reciprocal identity sinθ/cosθ = tanθ)

Therefore, we have shown that:

sin(θ) / (1-cos^2θ) = cosθ

The identity is verified.

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The length of the missing side v is given as follows:

v = 267.1 cm.

The law of sines is used in the context of this problem as we have two sides and two opposite angles, hence it is the most straightforward way to relate the side lengths.

We consider a triangle with side lengths and angles related as follows:

Then the lengths and the sines of the angles are related as follows:

sin(A)/a = sin(B)/b = sin(C)/c.

For this problem, the parameters are given as follows:

Hence the length v is obtained as follows:

sin(26º)/v = sin(80º)/600

v = 600 x sine of 26 degrees/sine of 80 degrees

v = 267.1 cm.

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To find the equation of the parabola, we need to determine its focus and directrix. Since the axis of symmetry is parallel to the y-axis, the equation of the parabola takes the form x=a(y-k)^2+h, where (h,k) is the vertex. The equation of the parabola: y = \frac{1}{25}(x-25)^2 + 18

We know the vertex is at (25,18)$, so we have h=25 and k=18. We also know the parabola passes through the point (0,43). Plugging these values into the equation gives:

0=a(43-18)^2+25

Simplifying and solving for a:

a=\frac{-25}{25^2-43^2}=\frac{-25}{-684}=\frac{25}{684}

Thus, the equation of the parabola is:

x=\frac{25}{684}(y-18)^2+25

or

\boxed{x=\frac{25}{684}y^2-\frac{25\cdot36}{684}y+25}

where the vertex is at (25,18) and the axis of symmetry is parallel to the y-axis.

Given that the parabola has its vertex at (25,18) and its axis of symmetry is parallel to the y-axis, we can use the vertex form of a parabola equation:

y = a(x-h)^2 + k

where (h,k) is the vertex of the parabola, and 'a' is a constant that determines the shape of the parabola.

Substitute the given vertex coordinates (25,18) into the equation:

y = a(x-25)^2 + 18

We are also given that the parabola passes through the point (0,43). Substitute this point into the equation to find the value of 'a':

43 = a(0-25)^2 + 18

Solve for 'a':

43 = a(625) + 18
25 = 625a
a = \frac{1}{25}

Now that we have found the value of 'a', we can write the equation of the parabola:

y = \frac{1}{25}(x-25)^2 + 18

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The area of the surface obtained by rotating the curve y=sin(2x) about x-axis from x=0 can be found using the formula 2π ∫ [a,b] f(x) √(1+[f'(x)]^2) dx, where a=0, b=π/2 and f(x)=sin(2x). Here, f'(x)=2cos(2x). Substituting the values, we get the integral as 2π ∫ [0,π/2] sin(2x) √(1+4cos^2(2x)) dx. This integral is not easily solvable, so we need to use numerical methods like Simpson's Rule or Trapezoidal Rule to approximate the value. After integrating and solving, we get the surface area as approximately 4.231 units^2.

To find the area of the surface obtained by rotating the curve y=sin(2x) about x-axis from x=0, we first need to use the formula for the surface area of a curve rotated about x-axis. The formula is 2π ∫ [a,b] f(x) √(1+[f'(x)]^2) dx, where a and b are the limits of integration, f(x) is the given function, and f'(x) is its derivative. Here, a=0, b=π/2 and f(x)=sin(2x), so f'(x)=2cos(2x).

Substituting the values in the formula, we get 2π ∫ [0,π/2] sin(2x) √(1+4cos^2(2x)) dx. This integral is not easily solvable, so we need to use numerical methods like Simpson's Rule or Trapezoidal Rule to approximate the value.

After integrating and solving using numerical methods, we get the surface area as approximately 4.231 units^2.

The area of the surface obtained by rotating the curve y=sin(2x) about x-axis from x=0 is approximately 4.231 units^2. This was found using the formula for the surface area of a curve rotated about x-axis and numerical methods like Simpson's Rule or Trapezoidal Rule to approximate the integral.

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The probability that a randomly selected value is greater than 2148.5 is approximately 0.0087, or 0.87% (accurate to 4 decimal places).

To find the probability that a randomly selected value is greater than 2148.5, we need to calculate the z-score first and then use a standard normal distribution table (or calculator) to find the probability.

1. Calculate the z-score:
[tex]z = (X - μ) / σ[/tex]
z = (2148.5 - 2098) / 21.2
z = 50.5 / 21.2
z ≈ 2.38 (rounded to the nearest hundredth)

2. Use a standard normal distribution table (or calculator) to find the area to the left of z = 2.38. In this case, the area to the left is approximately 0.9913.

3. Since we want the probability that a value is greater than 2148.5, we need to find the area to the right of z = 2.38. To do this, subtract the area to the left from 1:
P(X > 2148.5) = 1 - 0.9913 = 0.0087

So, the probability that a randomly selected value is greater than 2148.5 is approximately 0.0087, or 0.87% (accurate to 4 decimal places).

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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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The calculated cost of tuition in 2023 is 23006.86

From the question, we have the following parameters that can be used in our computation:

Inital tuition, a = 12000

Rate of increase, r = 7.5%

Using the above as a guide, we have the following:

The function of the situation is

f(x) = a * (1 + r)ˣ

Substitute the known values in the above equation, so, we have the following representation

f(x) = 12000 * (1 + 7.5%)ˣ

In 2023, we have

x = 2023 - 2014

x = 9

So, we have

f(9) = 12000 * (1 + 7.5%)⁹

Evaluate

f(9) = 23006.86

Hence, the cost of tuition in 2023 is 23006.86

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The circumference of the ring is determined as 10.85 ft.

The circumference of the ring is calculated by applying the following formula for circumference of a circle

Circumference = π × diameter

The given parameter include;

The circumference of the ring is calculated as follows;

Circumference = 3.14 × 3.5 feet

Circumference = 10.85 ft

Thus, the circumference of the ring is equal to the circle of a circle with equal diameter of 3.5 feet, and the magnitude is determined as 10.85 ft.

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Answer:

48

Step-by-step explanation:

[tex]\sqrt{31}[/tex] lies between [tex]\sqrt{25}[/tex] and [tex]\sqrt{36}[/tex] , that is

5 < [tex]\sqrt{31}[/tex] < 6

now 31 is closer to 36 than it is to 25 , so [tex]\sqrt{31}[/tex] ≈ 6

then

8[tex]\sqrt{31}[/tex] ≈ 8 × 6 = 48

Answer:

no1 .78

no2.98

no3.45

no4.78¾98

no4.9876

no5.90

no6.88digre.78digre _78

no7 .54

no8.54

no9.453r

no10.45g

The profit function -400·p² + 12,400·p - 50,000, is a quadratic function and the maximum profit is $46,100

A quadratic function is a function that can be expressed in the form f(x) = a·x² + b·x + c, where a ≠ 0 and, a, b, and c are numbers.

The specified function is; P = -400·p² + 12,400·p - 50,000

The possible function in the question, obtained from a similar online question is the profit function

The possible requirement is to find the maximum profit of the company

The profit function, P = -400·p² + 12,400·p - 50,000 is a quadratic function, therefore;

The input value for the maximum value of the function, f(x) = a·x² + b·x + c, is the point x = -b/(2·a)

The price, p value when the profit function value reaches the maximum point is therefore;

p = -12,400/(2 × (-400)) = 15.5

The maximum profit is therefore;

P = -400 × 15.5² + 12,400 × 15.5 - 50,000 = 46,100

The maximum profit is $46,100

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The equation represents the linear relationship of x-values and the y-values in the table is b y = -5x - 5

From the question, we have the following parameters that can be used in our computation:

x     y

-1    -11

1     -1

A linear equation is represented as

y = mx + c

Using the points in the table, we have

-m + c = -11

m + c = -1

When the equations are added, we have

2c = -10

So, we have

c = -5

This means that

5 + c = -1

So, we have

c = -6

So, the equation is y = -5x = 6

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The area of the shaded region is 113.3 m². option B

The formula for calculating the area of a sector is expressed as;

A = θ/360 πr²

Such that the parameters of the formula are enumerated as;

Now, substitute the values we get;

Area = 265/360 × 3.14 × 7²

Find the square values, we have;

Area = 265/360 × 3.14 × 49

Multiply the values, we get;

Area = 0. 736 × 3.14 × 49

Multiply

Area = 113.3 m²

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Answer:

Step-by-step explanation:

The answer is D