Pls help and thank youuuuu:)

Pls Help And Thank Youuuuu:)

Answers

Answer 1

Answer:

22

Step-by-step explanation:

according to your question


Related Questions

(x+4)² + (y-6)² = 48

Answers

Answer:

Step-by-step explanation:

This is the equation of a circle with center at (-4, 6) and radius 4√3.

Let 8 denote the minimum degree of any vertex of a given graph, and let A denote the maximum degree of any vertex in the graph. Suppose you know that a certain graph has seven vertices, and that 8 = 3 and Δ= 5. (a) Show that this graph must contain at least 12 edges. (b) What is the largest number of edges possible in this graph?

Answers

For a graph with seven vertices, a minimum degree of 3 (8 = 3), and a maximum degree of 5 (Δ = 5), it can be shown that the graph must contain at least 12 edges. The largest number of edges possible in this graph is determined by the Handshaking Lemma, which states that the sum of the degrees of all vertices in a graph is equal to twice the number of edges.

(a) To show that the graph must contain at least 12 edges, we can use the Handshaking Lemma. The sum of the degrees of all vertices in the graph is equal to twice the number of edges. In this case, with seven vertices and a minimum degree of 3, the sum of the degrees is at least 7 * 3 = 21. Therefore, the minimum number of edges is 21/2 = 10.5, which rounds up to 11. So the graph must contain at least 11 edges, but since the number of edges must be an integer, it must be at least 12.

(b) The largest number of edges possible in this graph can be determined by considering the maximum degree. In this case, the maximum degree is 5. Since the sum of the degrees of all vertices is equal to twice the number of edges, the sum of the degrees is at most 7 * 5 = 35. Therefore, the largest possible number of edges is 35/2 = 17.5, which rounds down to 17. So the largest number of edges possible in this graph is 17.

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The series n=0 to infinity 2^n 3^n /n! is (a) divergent by the root test (b) a series where the ratio test is inconclusive (c) divergent by ratio test (d) convergent by ratio test and its sum is 0 (e) convergent by ratio test and its sum is e^6.

Answers

The series n=0 to infinity [tex]2^{n}[/tex] [tex]3^{n}[/tex] /n! is (e) convergent by ratio test and its sum is e⁶.

How to calculate the value

The given series can be written as:

S = Σ(n=0 to ∞) (2ⁿ * 3ⁿ) / n!

In order to determine if the series is convergent, let's apply the ratio test. The ratio test states that if the limit of the absolute value of the ratio of consecutive terms is less than 1, then the series converges. Mathematically, this can be expressed as:

lim(n→∞) |(a(n+1) / an)| < 1

Taking the ratio of a(n+1) to an is 6 / (n+1)

Now, let's take the limit as n approaches infinity:

lim(n→∞) |(6 / (n+1))| = 0

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Number of Jobs A sociologist found that in a sample of 55 retired men, the average number of jobs they had during their lifetimes was 7.1. The population standard deviation is 2.1
.(a) Find the best point estimate of the mean.
The best point estimate of the mean is 7.1
(b) Find the 95% confidence interval of the mean number of jobs. Round intermediate and final answers to one decimal place.
<<μ

Answers

The 95% confidence interval of the mean number of jobs is (6.7, 7.5).

Given that, a sociologist found that in a sample of 55 retired men, the average number of jobs they had during their lifetimes was 7.1 and the population standard deviation is 2.1.

The best point estimate of the mean is the sample mean.

Hence the best point estimate of the mean is 7.1.

Therefore, the 95% confidence interval of the mean number of jobs is (6.7, 7.5).

Hence the required solution.

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Find the minimum of the Brown's badly scaled function using Powell's method. f(x) = (x₁ - 10^6)² + (x₂ − 2 × 10^-6)² + (x₁x₂ - 2)²

Answers

The minimum of Brown's badly scaled function, f(x) = (x₁ - 10^6)² + (x₂ − 2 × 10^-6)² + (x₁x₂ - 2)², can be found using Powell's method.

Powell's method is an optimization algorithm used to find the minimum of a function. It is an iterative method that searches for the minimum by successively approximating the direction of the minimum along each coordinate axis.

To apply Powell's method to find the minimum of Brown's badly scaled function, we start with an initial guess for the minimum point. Then, we iteratively update the guess by evaluating the function at different points and adjusting the guess based on the obtained results.

The iterative process continues until a convergence criterion is met, indicating that the minimum has been sufficiently approximated. The final guess represents the minimum point of the function.

By applying Powell's method to Brown's badly scaled function, we can determine the coordinates of the minimum point, which correspond to the values of x₁ and x₂ that minimize the function. The specific values of x₁ and x₂ will depend on the initial guess and the convergence criteria used in the optimization process.

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Plzz help it do today

Answers

Answer:

i think it is A CiNiyah

Step-by-step explanation:




1 (a) Find the Laurent series of the function (22-9)(2+3) centered at z = −3. 1 (b) Evaluate ſc[−3,3] (z²−9)(z+3) dz.

Answers

The simplification based on Laurent series of the function (22-9)(2+3) centered at z = −3

[((1/4)(3)⁴ + (2/3)(3)³ + (9/2)(3)² - 27(3))] - [((1/4)(-3)⁴ + (2/3)(-3)³ + (9/2)(-3)² - 27(-3))]

The given problem involves finding the Laurent series of a function centered at z = -3 and evaluating the integral of another function over a specific interval. The Laurent series simplifies to a constant term of 65.

(a) To find the Laurent series of the function (22-9)(2+3) centered at z = −3, we can expand the function in powers of (z + 3):

(22-9)(2+3) = (13)(5) = 65

Since there are no negative powers of (z + 3), the Laurent series of the function is simply the constant term:

f(z) = 65

(b) To evaluate the integral ſc[−3,3] (z²−9)(z+3) dz, we can first simplify the integrand:

(z² - 9)(z + 3) = (z - 3)(z + 3)(z + 3) = (z - 3)(z + 3)²

Now, let's integrate the simplified expression:

∫[(z - 3)(z + 3)²] dz

Expanding the expression:

∫[z³ + 6z² + 9z - 27] dz

Integrating each term:

(1/4)z⁴ + (2/3)z³ + (9/2)z² - 27z

Now, we can evaluate the integral over the given interval [−3, 3]:

∫[−3,3] (z²−9)(z+3) dz = [((1/4)z⁴ + (2/3)z³ + (9/2)z² - 27z)] evaluated from z = -3 to z = 3

Substituting the upper and lower limits into the expression and simplifying, we get:

[((1/4)(3)⁴ + (2/3)(3)³ + (9/2)(3)² - 27(3))] - [((1/4)(-3)⁴ + (2/3)(-3)³ + (9/2)(-3)² - 27(-3))]

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Which sets of ordered pairs represent functions from A to B?

A = {1, 2, 3, 4) and B = {-2, -1, 0, 1, 2)

{(1, -1), (3, 2), (2, -2), (4, 0), (2, 1)) {(1, 2), (4, 0), (2, 1)) {(1, 1), (2, -2), (3, 0), (4, 2)} {(1, 0), (2, 0), (3, 0), (4, 0))

Answers

The set of ordered pairs that represents a function from A to B is {(1, -1), (3, 2), (4, 0), (2, 1)}. A function from A to B is a relation that assigns a unique element from B to each element in A.

In order for a set of ordered pairs to represent a function, each element in A must have exactly one corresponding element in B.

Let's analyze each set of ordered pairs:

1. {(1, -1), (3, 2), (2, -2), (4, 0), (2, 1)}: This set is not a function because the element 2 in A is assigned two different elements (-2 and 1) in B. Each element in A should have a unique corresponding element in B.

2. {(1, 2), (4, 0), (2, 1)}: This set is a function because each element in A is assigned a unique element in B.

3. {(1, 1), (2, -2), (3, 0), (4, 2)}: This set is a function because each element in A is assigned a unique element in B.

4. {(1, 0), (2, 0), (3, 0), (4, 0)}: This set is a function because each elementin A is assigned a unique element (0) in B.

Based on the analysis, the set of ordered pairs that represents a function from A to B is {(1, -1), (3, 2), (4, 0), (2, 1)}.

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Does anyone know how to do this because im confused.

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Answer:

no but choose b if u don't know it it usually works for me sorry if I don't help :(

Answer:

y=-3x is the bottom right one

y=4x is the top middle

y=x-3 is the top right one

Step-by-step explanation:

Help please :) (asap)

Answers

x^2 - x - 6= 0

(x - 3) ( x + 2) = 0

Equating

x - 3 = 0

x = 3

x+ 2= 0

x = -2

Answer: x - 6

Step-by-step explanation:

Fill in the blank. The only solution of the initial-value problem y" + x2y = 0, y(0) = 0, y'(0) = 0 is y(x) = 0

Answers

The only solution of the initial-value problem y" + x^2y = 0, y(0) = 0, y'(0) = 0 is y(x) = 0, where y(x) represents the unknown function and x represents the independent variable.

To determine the solution of the initial-value problem, we consider the given second-order linear homogeneous differential equation y" + x^2y = 0 along with the initial conditions y(0) = 0 and y'(0) = 0.

First, we solve the differential equation by assuming a solution of the form y(x) = Ax^n, where A is a constant and n is an exponent to be determined. Substituting this into the differential equation, we obtain the characteristic equation n(n-1) + x^2 = 0.

Solving the characteristic equation, we find that the roots are n = 0, which corresponds to the solution y(x) = A, and n = 1, which corresponds to the solution y(x) = Bx. However, when we apply the initial conditions y(0) = 0 and y'(0) = 0, we find that both solutions are equal to zero.

Therefore, the only solution that satisfies both the differential equation and the initial conditions is y(x) = 0, indicating that the function y(x) is identically zero for all values of x.

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A candle is formed in the shape of a cylinder. It has a diameter of 4 inches a d a height if 5 inches. Which measurement is closest to the total surface area of the candle in square inches

Answers

The closest measurement in square inches to the overall surface area of the candle is 87.92 square inches.

To find the total surface area of the candle, we need to calculate the lateral surface area (excluding the top and bottom) and then add the areas of the two circular bases.

1. Lateral Surface Area:

The formula for the lateral surface area of a cylinder is given by A = 2πrh, where r is the radius of the base and h is the height of the cylinder.

Given that the diameter of the candle is 4 inches, we can calculate the radius by dividing the diameter by 2:

Radius (r) = 4 inches / 2 = 2 inches

Height (h) = 5 inches

Using the formula, we can calculate the lateral surface area:

Lateral Surface Area = 2π(2 inches)(5 inches) = 20π square inches

2. Base Area:

The formula for the area of a circle is given by A = πr^2, where r is the radius of the circle.

Using the radius calculated earlier (r = 2 inches), we can calculate the area of each circular base:

Base Area = π(2 inches)^2 = 4π square inches

3. Total Surface Area:

To find the total surface area, we add the lateral surface area and the areas of the two circular bases:

Total Surface Area = Lateral Surface Area + 2(Base Area)

Total Surface Area = 20π + 2(4π) = 20π + 8π = 28π square inches

Approximating the value of π to 3.14, we can calculate the approximate total surface area:

Total Surface Area ≈ 28(3.14) = 87.92 square inches

Therefore, the closest measurement to the total surface area of the candle in square inches is 87.92 square inches.

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help please important!!!!^click picture

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an integer is a whole number
so 26.5 is equivalent

An airplane is on a heading of 170 degrees to a vacation island, and is cruising at 250km/hr. It is encountering a wind blowing from the south/west at 50 km/hr.

A. Draw a "logical" vector diagram of "our" flight to the "secret" island.

B. Determine the aircraft’s ground velocity (magnitude and direction and standard bearing). Round your final answer to 1 decimal.

C. If the entire flight took about 5 hours, how far is the vacation island from the airport of departure?

Answers

A) Logical vector diagram of the flight is drawn below. B) The aircraft's ground velocity is approximately 260.2 km/hr at a bearing of -153.7°. C) The vacation island is approximately 1301 kilometers from the airport of departure.

A.  a logical vector diagram of the flight is given in image.

B. To determine the aircraft's ground velocity, we need to find the resultant vector of the aircraft's velocity and the wind vector. We can use vector addition to calculate this:

Aircraft's velocity = 250 km/hr at a heading of 170°

Wind velocity = 50 km/hr at a heading of 270° (since it's blowing from the south/west)

To add these vectors, we need to resolve them into their horizontal (x) and vertical (y) components:

Aircraft's velocity:

[tex]V_x[/tex] = 250 km/hr * cos(170°)

[tex]V_{y}[/tex] = 250 km/hr * sin(170°)

Wind velocity:

[tex]V_x[/tex]_wind = 50 km/hr * cos(270°)

[tex]V_y[/tex]_wind = 50 km/hr * sin(270°)

Now, we can add the horizontal and vertical components separately:

[tex]V_{x} total = V_x + V_{x}wind\\V_{y} total = V_y + V_{y}wind[/tex]

To find the magnitude and direction of the resultant vector, we can use the Pythagorean theorem and trigonometry:

Magnitude of the resultant vector (ground velocity):

[tex]V_{total} = \sqrt{V_x total^2 + V_y total^2}[/tex]

Direction of the resultant vector:

[tex]\theta = tan^{-1} 2(V_y total, V_xtotal)[/tex]

Let's calculate the values:

[tex]V_x[/tex] = 250 km/hr * cos(170°) ≈ -235.83 km/hr

[tex]V_y[/tex] = 250 km/hr * sin(170°) ≈ -62.85 km/hr

[tex]V_x[/tex]_wind = 50 km/hr * cos(270°) = 0 km/hr

[tex]V_y[/tex]_wind = 50 km/hr * sin(270°) ≈ -50 km/hr

[tex]V_x[/tex]_total = -235.83 km/hr + 0 km/hr = -235.83 km/hr

[tex]V_y[/tex]_total = -62.85 km/hr + (-50 km/hr) = -112.85 km/hr

[tex]V_{total}[/tex] =  [tex]\sqrt{((-235.83 km/hr)^2 + (-112.85 km/hr)^2) }[/tex] ≈ 260.2 km/hr

θ = [tex]tan^{-1} 2(-112.85 km/hr, -235.83 km/hr)[/tex] ≈ -153.7°

The aircraft's ground velocity is approximately 260.2 km/hr at a bearing of -153.7°.

C. If the entire flight took about 5 hours, we can calculate the distance traveled by multiplying the ground velocity by the time:

Distance = Velocity * Time

Distance = 260.2 km/hr * 5 hours = 1301 km

The vacation island is approximately 1301 kilometers from the airport of departure.

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A cone has a base diameter of 20 centimeters. Its height is 30 centimeters. Calculate the volume in cubic centimeters to the nearest tenth

Answers

Answer:

The volume of the cone is 3140cm³

Step-by-step explanation:

Volume of come = 1/3 × πr²h

r = diameter/2 = 20/2 = 10cm

h = 30cm

π = 22/7

Volume = 1/3 × 22/7 × 10² × 30

Volume = 1/3 × 22/7 × 100 × 30

Volume = 3142.86cm³

Volume = 3140cm³

Find the missing side of this right triangle 8 13

Answers

Answer:  x = √105

Step-by-step explanation:

a² + b² = c²

8² + x² = 13²

64 + x² = 169

x² = 105

x = √105

Given f(x) and g(x) = kf(x), use the graph to determine the value of k.

Two lines labeled f of x and g of x. Line f of x passes through points negative 4, 0 and negative 3, 1. Line g of x passes through points negative 4, 0 and negative 3, negative 3.

A. 3
B. one third
C. negative one third
D. −3

Answers

Answer:

From the given information, we can see that when x = -3, f(x) = 1 and g(x) = -3. Since g(x) = kf(x), we can substitute the values of f(x) and g(x) to solve for k: g(x) = kf(x) -3 = k(1) k = -3 So the value of k is -3, which corresponds to answer choice D.

HELP PLEASE what’s the answer!?!?

Answers

Answer:

this is the answer for 4th question

and it is a collinear

Answer:

C=20

Step-by-step explanation:

This is for question 3

For perpendicular lines , the product of their gradient should give -1 for the answer and thus,

3×x=-1

x=-⅓, the gradient for the line.

Therefore c =

-2-3/c- 5 =-⅓

-1(c-5)=3(-2-3)

-c+5=-6-9

-c=-6-9-5

-c=-20

The negatives cancel each other leaving c as 20

Two thirds of the money in my pocket is 50 cents. a, what is one third of the money in my pocket​

Answers

Answer:

25 cents

Step-by-step explanation:

1.) Set up an equation you can solve from the wording of the question:

(2/3)*m = 50, where "m" represents the money in your pocket.

2.) Solve for that equation:

m = 50*(3/2) = 150/2 = 75, so now you know the money you have in your pocket is 75 cents

3.) Multiply the money you have in your pocket by 1/3 to find 1/3 of the money you have in your pocket:

75*(1/3) = 25

Find the volume of this triangular prism.

Answers

Answer:

v = 9x9x0.5x5 = 202.5 ft^3

Step-by-step explanation:

What is the product of 2x + 3 and 4x^2 - 5x + 6

Answers

Answer:

8

x

3

+

2

x

2

3

x

+

18

Step-by-step explanation:

simply the answer thought bc i didn't simplify

What is the base area of the cone?


15 m²
25 m²
45 m²
125 m²

Answers

125 ^2 !!!!!!!!!!!!!!!!!!

Answer:

45 m^2

Step-by-step explanation:

How to write 8,99,999 in international system. I want this number but in words of international system

Answers

8,99,999 in international system:-

899,999= Eight hundred ninety-nine thousand nine hundred ninety-nine

Ice cream consumption was measured over 30 four-week periods from March 18, 1951 to July 11, 1953. The purpose of the study was to determine if ice cream consumption depends on the variables price, income, or temperature. For this HW question, we want to see if the temperature (temp) affects the ice cream consumption (IC). Attached is the output from the simple linear regression of temperature on ice cream consumption. What percentage of change in ice cream consumption can be explained by temperature

Answers

Answer:

Log Linear Model : log y = a + bx. Slope 'b' represent % change in ice cream sale, due to unit change in temperature.

Step-by-step explanation:

Assuming a log linear regression model, with dependent variable 'y' ie Ice cream sale & independent variable 'x' ie temperature sale.

In form of regression, log y = a + bx  {a = intercept}. Here, slope b represents response of one unit change (Increase) in temperature leading to b% change (ie rise) in ice cream consumption. Slope coefficient 'b' is likely to be positive, as temperature & ice cream sale are likely to be directly related, higher temperature (hot weather) imply high ice cream sale, & vice versa less sales for lower temperature (cool weather)

This equation shows how the time required to ring up a customer is related to the number of
items being purchased.
t = 3p + 11
The variable p represents the number of items being purchased t =3p + 11 The variable p represents the number of items being purchased, and the variable t represents the time required to ring up the customer. How long does it take to ring up a customer with 3 items?

Answers

Answer:

it is x=4÷2

Step-by-step explanation:

I just known the answer who cares about the steps

(ill give 25) let r be the region enclosed by the y-axis, the line y = 2, the line y = 3, and the curve =. a solid is generated by rotating R about the y-axis, what is the volume of the solid?

Answers

That’s a 70 degree angle

Evaluate the expression 8.2(5)^2

Answers

Answer:

205

Step-by-step explanation:

5^2 = 25

8.2 * 25 = 205

wth ..

Answer:

205 hope this helps

Step-by-step explanation:

5^2= 25

8.2×25= 205 hope

Please help no links I WILL GIVE YOU A BRAINLIST

Answers

Answer:

1.) it is the same way as subtracting a fraction be cause a pizza is cut into 8 so it will be 1/8th of each slice if some one ate a slice of pizza

Step-by-step explanation:

A particular manufacturing design requires a shaft with a diameter of 20.000 mm, but shafts with diameters between 19.987 mm and 20.013 mm are acceptable. The manufacturing process yields shafts with diameters normally distributed, with a mean of 20.003 mm and a standard deviation of 0.005 mm. Complete parts (a) through (d) below. a. For this process, what is the proportion of shafts with a diameter between 19.987 mm and 20.000 mm?

Answers

Using area under normal curve and z-score, approximately 21.32% of shafts have a diameter between 19.987 mm and 20.000 mm.

What is the proportion of shafts with a diameter between 19.987mm and 20.000mm?

To find the proportion of shafts with a diameter between 19.987 mm and 20.000 mm, we need to calculate the probability that a randomly selected shaft falls within this range.

Given that the diameters of the shafts are normally distributed with a mean of 20.003 mm and a standard deviation of 0.005 mm, we can use the properties of the normal distribution to determine the desired proportion.

To calculate this proportion, we need to find the area under the normal curve between the values of 19.987 mm and 20.000 mm.

Let's denote the random variable X as the diameter of the shafts. We want to find P(19.987 ≤ X ≤ 20.000).

To do this, we can standardize the values by converting them to z-scores using the formula:

z = (x - μ) / σ

where x is the value, μ is the mean, and σ is the standard deviation.

For 19.987 mm:

z₁ = (19.987 - 20.003) / 0.005

For 20.000 mm:

z₂ = (20.000 - 20.003) / 0.005

We can then use a standard normal distribution table or calculator to find the corresponding probabilities associated with these z-scores.

Using a standard normal distribution table, we find that P(Z ≤ z₁) ≈ 0.2119 and P(Z ≤ z₂) ≈ 0.4251.

To find the proportion of shafts between 19.987 mm and 20.000 mm, we subtract the probabilities:

P(19.987 ≤ X ≤ 20.000) = P(Z ≤ z₂) - P(Z ≤ z₁) ≈ 0.4251 - 0.2119

P(19.987 ≤ X ≤ 20.000) ≈ 0.2132

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What is the measure of angle B in the triangle?



Enter your answer in the box.

m∠B=
°



A triangle labeled ABC with angle A as one hundred twenty degrees, angle B as X degrees and angle C as parenthesis X plus sixteen parenthesis degrees

Answers

Step-by-step explanation:

What is the measure of angle B in the triangle?

Enter your answer in the box.

m∠B=

°

A triangle labeled ABC with angle A as one hundred twenty degrees, angle B as X degrees and angle C as parenthesis X plus sixteen parenthesis degrees

the answer in the photo

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Both hospitals will have higher average total cost than the first hospital did when it operated alone. b. Both hospitals will have lower average total cost than the first hospital did when it operated alone. Both hospitals will have the same average total cost as the first hospital when it operated alone. d. The new hospital will have higher average total cost than the first hospital did when it operated alone, but the average total cost for the second hospital will be less. Which of the following is typically not a metric you can be charged by? Select one: a. Impressions b. Clicks c. Conversions d. None of the above Justin flips a fair coin 8 times. What is the that he gets an odd amount of probability heads? Which of the following represents an internal control weakness in a computer-based system?A. Computer programmers write and revise programs designed by analysts.B. Computer operators have access to operator instructions and the authority to change programs.C. The computer librarian maintains custody and recordkeeping for computer application programs.D. The data control group is solely responsible for distributing reports and other output. what evidence does whetherton have that the mountain is unsafe trap of gold Your pro forma income statement shows sales of $983,000, cost of goods sold as $513,000, depreciation expense of $104,000, and taxes of $146,400 due to a tax rate of 40%. What are your pro forma earnings? What is your pro forma free cash flow? The tourism industrys main job is to cater to customers whotravel for pleasure or business.seek the fanciest place to stay overnight.want an exquisite dining experience.desire to take part in a recreational activity. Please help with requirement 2and 3Forber Bakery makes baked goods for grocery stores, and has three divisions: bread, cake, and doughnuts. Each division is run and evaluated separately, but the main headquarters incurs costs that are Which of the following is the most challenging aspect of film analysis?A. becoming totally immersed in the experience while maintaining critical detachmentB. learning the techniques of cinematography so that they can be recognized on the screenC. putting aside our prejudices against certain types of films or film elementsD. judging the narrative based on its own merits and not our expectationsE. articulating thoughts about a film in written or verbal form 1. Write each of the following as a sum or a difference of logarithmsa. log(19/20)b. log9(3 x 8)2. Each of the following has an error. Identify the error and explain why its wronga. log56 + log37 = log542b. 3 log216 = log2163= 43= 643. Use the laws of logarithms to simplify the expression S = 10 logl1 - 10logI0 Consider the following particulars about an alternativeInitial cost = $420000Equivalent annual benefit = $116520Life (years) = 5(i) Draw a cash flow diagram for the alternative.(ii) Find the Internal Rate of Return of the alternative.(iii) If the MARR(Minimum Attractive Rate of Return) is 14%, should the alternative be accepted? Why?