Need some more help PLS

The correct options are: For Boundary Value Analysis: a), b), c), For Equivalence Class Partitioning: b), c), d), e).

For Boundary Value Analysis:

a) BVA technique is an extension and refinement of the equivalence class partitioning technique - True

b) Select test data near the boundary of a data domain so that data both within and outside an equivalence class are selected - True

c) Once equivalence classes have been determined, design tests for the limits (boundaries) of each class - True

d) BVA has no relation to equivalence class partitioning - False

For Equivalence Class Partitioning:

a) Equivalence class partitioning can only be used with integers as input - False

b) A small number of test cases are needed to adequately cover a large input domain - True

c) The equivalence class partitioning approach is not restricted to input conditions alone - the technique may also be used for output domains - True

d) One gets a better idea about the input domain being covered with the selected test cases - True

e) The probability of uncovering defects with the selected test cases based on equivalence class partitioning is higher than that with a randomly chosen test suite of the same size - True

Therefore, the correct options are:

For Boundary Value Analysis: a), b), c)

For Equivalence Class Partitioning: b), c), d), e)

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Answer:

The most appropriate representation to show the relationship between the number of chapters and the total pages of a book would be a scatter plot titled school library, with the x-axis labeled number of chapters ranging from 0 to 20 and the y-axis labeled total pages ranging from 0 to 275 with points at (1,13), (5,48), (6,67), (8,85), (10,86), (11,135), (13,128), (15,162), (17,170), and (20,215). This is because a scatter plot is used to display the relationship between two quantitative variables. The line graph would not be appropriate because it implies a continuous relationship between the two variables.

Answer:

choice answer choice f

Answer:

Step-by-step explanation:

it is infinite having only one line

The function f(x) = 10x - x² is a quadratic function.

A quadratic function is a polynomial function of degree 2, which means the highest power of the variable is 2. In the given function, the variable x is raised to the power of 1 in the term 10x, and it is raised to the power of 2 in the term -x². This indicates that the function is a quadratic function.

The general form of a quadratic function is f(x) = ax² + bx + c, where a, b, and c are constants. In the given function, a = -1, b = 10, and c = 0 (since there is no constant term). So, the function f(x) = 10x - x² fits the form of a quadratic function.

Quadratic functions are known for having a graph in the shape of a parabola. In this case, the parabola opens downward because the coefficient of the x² term is negative (-1). The graph of the function will have a vertex at the maximum point, which in this case is (5, 25).

Therefore, the function f(x) = 10x - x² is indeed a quadratic function.

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The answers are 1) 300, 2) 40, 3) 37.99, 4) 600, 5) 400 and 6) 1700.

To calculate these percentages, let's go through each question step by step:

1) What is 200 increased by 50%?

To find the increase, you can multiply 200 by 50% (or 0.5) and add it to 200:

200 + (200 × 0.5) = 200 + 100 = 300

So, 200 increased by 50% is 300.

2) $50 decreased by 20% is how much?

To find the decrease, you can multiply $50 by 20% (or 0.2) and subtract it from $50:

50 - (50 × 0.2) = 50 - 10 = $40

So, $50 decreased by 20% is $40.

3) What amount increased by 130% is $49.39?

To find the original amount, you need to divide $49.39 by 130% (or 1.3):

$49.39 / 1.3 = $37.99 (rounded to two decimal places)

So, an amount increased by 130% to reach $49.39 is approximately $37.99.

4) What amount decreased by 20% is $480?

To find the original amount, you need to divide $480 by 80% (or 0.8):

$480 / 0.8 = $600

So, an amount decreased by 20% to reach $480 is $600.

5) $1,180 decreased by what percent equals $400?

To find the percentage decrease, you can subtract $400 from $1,180 and divide the result by the original amount ($1,180).

Then multiply by 100 to get the percentage:

(($1,180 - $400) / $1,180) × 100 = (780 / 1180) × 100 = 0.661 × 100 ≈ 66.1%

So, $1,180 decreased by approximately 66.1% equals $400.

6) 650 kg is what percent less than 1,700 kg?

To find the percentage difference, you can subtract 650 kg from 1,700 kg, divide the result by the original amount (1,700 kg), and multiply by 100 to get the percentage:

((1,700 kg - 650 kg) / 1,700 kg) × 100 = (1,050 kg / 1,700 kg) × 100 ≈ 61.76%

So, 650 kg is approximately 61.76% less than 1,700 kg.

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The length of the diameter, in meters, of the circular area that gets watered by the sprinkler for this condition is given by: Option B: 8 m

If a circle O has radius of r units length and that it has got its center positioned at (h, k) point of the coordinate plane, then, its equation is given as:

\((x-h)^2 + (y-k)^2 = r^2\)

For this case, the equation of the circle that models tha circular area considered is:

\((x-9)^2 + (y+11)^2=16\)

Writing this in standard form and comparing it with the standard equation, we get:

\((x-9)^2 + (y+11)^2=16\\(x-9)^2 + (y - (-11) )^2 = 4^2\) (didn't took (-4)² = 16 since radius cannot be negative).

Thus, we get center's coordinate as (9,-11) and radius of 4

The diameter of that circular area = twice of radius of the circle which models it = 2 × 4 = 8 meters.

Thus, the length of the diameter, in meters, of the circular area that gets watered by the sprinkler for this condition is given by: Option B: 8 m

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The value of x in the given triangle is 1.82 cm using the angle bisector theorem.

A triangle is a polygon with three edges and three vertices. It belongs to the basic geometric shapes. A triangle with the parts A, B, and C is referred to as triangle ABC. Any three points that are not collinear in Euclidean geometry result in a separate triangle and a distinct plane. A triangle is a type of polygon with three sides; the triangle's apex is the point where the two longest sides meet. Two sides are brought together at an angle.

What is angle bisector theorem?

The ratios of the two segments that a line that bisects the opposing angle splits a triangle's side into are the subject of the angle bisector theorem in mathematics. It contrasts their proportionate lengths with the other two triangle sides' proportional lengths.

In the given triangle,

5/6=x/4-x

20-5x=6x

20=11x

x=20/11= 1.82 cm

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The total distance the ball travels from the baseball player´s bat to the bird is 32.9 ft

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

The figure

Start by calculating the distance (d1) from the baseball player to the ground using the following Pythagoras theorem

d1 = √(8² + 15²)

d1 = 17

Next, we calculate the distance from the ground to the bird using

d2 = 10/cos(51)

d2 = 15.9

Add these distances

d = 17 + 15.9

d = 32.9

Hence, the distance is 32.9 ft

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Answer:

c is it

Step-by-step explanation:

a p e x

Answer:

C: is a function because each input (x) has exactly one output( y).

Step-by-step explanation:

A function is when one input (x) has exactly one output (y).

A: is not a function because -4 is paired with two different y values.

B: is not a function because -4 is paired with two different y values.

C: is a function because each input (x) has exactly one output( y).

D: is not a function because -1 is paired with two different y values.

(x/5)-10 where x is "number"

the finance charge for this billing cycle is $21.19.To calculate the finance charge for this billing cycle, we need to first determine the daily periodic rate and the number of days in the billing cycle.

The daily periodic rate is the annual percentage rate (APR) divided by the number of days in a year. In this case, the APR is 18% and there are 365 days in a year, so the daily periodic rate is:

0.18 / 365 = 0.00049 or 0.049%

Next, we need to determine the number of days in the billing cycle. This can vary depending on the credit card company, but a common length for a billing cycle is 30 days.

Now that we have the daily periodic rate and the number of days in the billing cycle, we can calculate the finance charge:

Finance charge = average daily balance x daily periodic rate x number of days in billing cycle

Finance charge = $1,441.60 x 0.00049 x 30

Finance charge = $21.19

Therefore, the finance charge for this billing cycle is $21.19.

It's important to note that the finance charge can vary depending on factors such as the daily periodic rate and the number of days in the billing cycle. Additionally, some credit cards may have different methods for calculating finance charges, so it's always a good idea to review the terms and conditions of your credit card to understand how your finance charges are calculated.

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Answer:

640.6 m^2

Step-by-step explanation:

Formula

V = (1/3) pi * r^2 * h          Substitute givens into the formula and solve

Givens

V = ?

pi = 3.14

r = 6 m

h = 17 m

Solution

V = (1/3) * 3.14 * 6 * 6 * 17

V = 640.56      

Answer

V = 640.6 m^2 to the nearest 10th

During aggressive driving behavior, the vehicle would achieve approximately 15.4 miles per gallon.

To calculate the miles per gallon (mpg) during aggressive driving, we need to consider the reduction in gas mileage. Let's break down the calculation step by step.

First, let's consider the highway rating of 22 mpg. This means that under normal driving conditions, the vehicle can travel 22 miles on one gallon of gas.

Now, the aggressive driving behavior causes a 30% reduction in gas mileage. To calculate the reduction, we can multiply the highway rating by 30%:

Reduction = 22 mpg × 0.30 = 6.6 mpg

This means that during aggressive driving, the gas mileage decreases by 6.6 miles per gallon.

To calculate the miles per gallon during this behavior, we need to subtract the reduction from the highway rating:

Miles per gallon during aggressive driving = Highway rating - Reduction

Miles per gallon during aggressive driving = 22 mpg - 6.6 mpg

Miles per gallon during aggressive driving = 15.4 mpg

It's important to note that aggressive driving, such as rapid acceleration, excessive speeding, and harsh braking, can significantly reduce fuel efficiency. By driving more smoothly and avoiding aggressive maneuvers, it is possible to improve gas mileage and get closer to the highway rating of 22 mpg.

Keep in mind that individual driving habits, road conditions, and vehicle maintenance can also affect fuel efficiency. Regular maintenance, such as keeping tires properly inflated, changing air filters, and using the recommended grade of motor oil, can help optimize fuel economy.

Overall, it is advisable to practice fuel-efficient driving techniques and avoid aggressive driving behaviors to maximize the mileage per gallon and reduce fuel consumption.

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Answer:

5+3m

Step-by-step explanation:

Answer:

I had to screenshot from my computer because it said (you have an inappropriate word or link in your answer)    

we do things called culture monday at our school where we write about a problem and then do a discussion on it in the classroom

this was mine so nooooo plagiarism or anything.

please mark brainliest......

Answer:

World War II started on September 1st, 1939, a decade after America’s stock market crash and downfall of the economy, which was in 1929, when Germany, led by a man born in Austria called Adolf Hitler, invaded Poland. France and England immediately declared war on Germany and Germany’s allies.

Germany had two allies, Japan and Italy, Italy mostly provided food and supplies, while Japan provided manpower, along with Germany. Germany, Japan, and Italy were called the Axis powers, and England, Russia (Then called the Soviet Union), and America (When America joined the war), along with many other countries, such as China and France (Except for the four years which Germany occupied France, 1940--1944), were called the Allied powers.

Germany invaded and occupied Austria, Belgium, France, Norway, Luxembourg, Greece, Czechoslovakia, Greece, Denmark, Holland, Hungary, the Netherlands, and many other countries with the help of Italy and Japan.

The United States wanted to be neutral through World War II like the Irish and Swiss, but the Axis Powers did not let this happen. Instead, Japan bombed Pearl Harbor and utterly destroyed and sunk many ships, so the United States had no choice but to join the war and the Allied forces.

The United States both lost and won many battles, and Germany was losing battles against the Soviet Union and England. Germany lost many battles in the Soviet Union, which was fought in harsh and bitter cold, and also lost the Battle of Britain fought in the skies over England between Britain’s Royal Air Force (RAF) and Germany’s Luftwaffe.

Many people died as a result of the Battle of Britain by bombs and flying shrapnel. In order to try to get their country back to normal, Great Britain started to ration food, drafted men over eighteen to go to the war front, made shelters all over England, in cities, towns, even in the country, in case of an air raid. The Battle of Britain was mostly fought in the skies of London, but enemy planes heading towards London to fight might drop a bomb to wipe away towns, cities, or a part of country off the map.

Germany soon retreated from Great Britain and thought that England would surrender with the rest when Germany conquered and ruled the world, which was Germany’s goal, but England, after some recovery, fought Germany as hard as ever, angered by the people and planes lost because of the Battle of Britain.

In the middle of this, President Franklin Delano Roosevelt died because of a mixture of bad health, too much stress, and his polio. Americans grieved for President Roosevelt, and elected a new president, President Harry Truman.

With forces fighting with both the Soviet Union and England, and later fighting on D-Day, Germany could not last for long, even with its two allies. But the number of allies Germany had soon reduced to one, for Italy joined the Allied powers, betraying the Axis Powers. Germany  desperately tried to fight back the forces of the Allied powers, but soon surrendered days after Adolf Hitler’s death, on May 8th, 1945.

Even when its ally Germany had surrendered and Italy had gone over to the Allies, Japan still fought, even though there was very little chance they would win. This was a bad idea, an idea which would change history. The Allied powers turned their full attention on defeating Japan, which was a bad thing, since Japan could only take over a few islands in the Pacific belonging to the United States and could not defeat any others in the beginning when the Allied powers’ attention was divided. As a result, many, at least hundreds, died, deaths that were not even necessary. The United States dropped two atomic bombs from one of America’s bomber planes on Japan’s two major cities, Hiroshima and Nagasaki days apart, so Japan surrendered, unable to lose any more people then it had already.

The two atomic bombs were built in the midst of fighting and stress of World War II in Manhattan, New York by a group of people who specialized in physics, math, and chemistry. The atomic bomb’s code name was: The Manhattan Project. The Manhattan Project, when done and ready, after dropped from an American bomber plane, killed over a hundred thousand Japanese in the two major cities Hiroshima and Nagasaki, most of them regular Japanese civilians going about their daily life.

World War II was a very important war and time period that changed the world. It changed the human race. The atomic bomb, invented in World War II, soon led other countries, such as England, France, the Soviet Union (Later known as Russia), and China to build it too, which gave these countries a huge advantage in war. America’s stock market bounced back. President Harry Truman became popular for ending World War II.

Step-by-step explanation:

Sorry I'm late

803 words

Answer:

-44x - 0.48

Step-by-step explanation:

\(1.6x-12(3.8x+0.04)\\=1.6x-12\times 3.8x -12\times 0.04\\=1.6x-45.6x -0.48\\=-44x - 0.48\)

To arrange the given times from shortest to longest, let's convert all the times to a common unit for easier comparison. Let's convert all the times to seconds (s). The correct arrangement from shortest to longest time is: 7.48 x \(10^{-4}\)µs, 3.44 x \(10^{-3}\) µs, 1.55 µs

1 ns = 10^-9 s (nanoseconds to seconds)

1 ps = 10^-12 s (picoseconds to seconds)

1 ms = 10^-3 s (milliseconds to seconds)

3.44 ns = 3.44 x 10^-9 s

7.48 x 10^2 ps = 7.48 x 10^-10 s

1.55 x 10^-3 ms = 1.55 x 10^-6 s

Arranging the times from shortest to longest:

7.48 x 10^-10 s (ps)

3.44 x 10^-9 s (ns)

1.55 x 10^-6 s (ms)

Therefore, the arranged times from shortest to longest are:

7.48 x 10^-10 s (ps) < 3.44 x 10^-9 s (ns) < 1.55 x 10^-6 s (ms)

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Option B, option C, and option E are correct because the equation is Negative 3 less than 4.9 times a number, x, which is the same as 12.8.

What is an expression?

It is defined as the combination of constants and variables with mathematical operators.

The options are:

A: -3 - 4.9x = 12.8

B: 4.9x - (-3) = 12.8

C: 3+ 4.9x = 12.8

D: (4.9 - 3)x = 12.8

E: 12.8 = 4.9x + 3

We have a statement:

A negative 3 less than 4.9 times a number, x, is the same as 12.8.

We can write in a mathematical form:

4.9x - (-3) = 12.8

or

4.9x + 3 = 12.8

or

12.8 = 4.9x + 3

Thus, option B, option C, and option E are correct because the equation is Negative 3 less than 4.9 times a number, x, which is the same as 12.8.

The statements that best describe the bowling scores data are:

- The MAD best describes the variability (C)

- The IQR best describes the spread (D)

Based on the given data in the table, the following statements can be made:

- There are no outliers in the data set, as all the scores fall within a reasonable range.

- The mean can be calculated as:

Mean = \(\frac{121 + 159 + 146 + 132 + 149}{5}\)

          = 141.4,

but it may not be the best measure of central tendency due to the small size of the data set and the presence of outliers in larger data sets.

- The MAD (Median Absolute Deviation) can be calculated as the median of the absolute deviations from the median, which are:

|121 - 146| = 25,

|159 - 146| = 13,

|146 - 146| = 0,

|132 - 146| = 14,

|149 - 146| = 3.

The median of these values is 13, so the MAD is 13.

This describes the variability of the data well, as it takes into account the distance of each score from the median.

- The IQR (Interquartile Range) can be calculated as the difference between the third quartile (Q3) and the first quartile (Q1) of the data set. To do this, we need to first find the median of the lower half of the data set (Q1) and the median of the upper half of the data set (Q3). Ordering the data set from lowest to highest, we have:

               121, 132, 146, 149, 159.

Q1 is the median of the lower half, which is:

Median = \(\frac{121 + 132}{2}\)  = 126.5.

Q3 is the median of the upper half, which is

Median = \(\frac{149 + 159}{2}\) = 154.

The IQR is then:

IQR = Q3 - Q1

       = 154 - 126.5

       = 27.5.

This describes the spread of the data well, as it captures the middle 50% of the data set.

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Answer:

Step-by-step explanation:

The mass of the given triangular prism with a density of 0.8 g/cm³ is 96 grams.

The volume of a prism is the total space occupied by it.

The density of a prism is the mass occupied by the 1 cubic unit volume of the prism. The formula for the density of a prism is:

Density = Mass/Volume

In the question, we are given a triangular prism of height 6cm, width 4cm, and length 10cm. Its density is given as 0.8 g/cm³.

We first find the volume of the prism.

The volume = Area of triangle*length = ((1/2)*6*4)*10 cm³ = 120 cm³.

Let the mass of the prism be m grams.

We know the density of the prism is given by the formula,

Density = Mass/Volume

or, 0.8 = m/120

or, m = 120*0.8

or, m = 96

∴ The mass of the given triangular prism with a density of 0.8 g/cm³ is 96 grams.

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Answer:

it's a 1/6 chance because it's a 6 faced dice

Answer:

Step-by-step explanation:

Answer:

A = 2 1/2 ft^2

Step-by-step explanation:

The area of a rectangle is given by

A = l*w

A = 3 * 5/6

A = 5/2 ft^2

A = 2 1/2 ft^2

Answer:

A=2.5 ft^2

Step-by-step explanation:

A=3

A=3(5/6)

A=2.5 ft^2

Answer:

x=66

Step-by-step explanation:

Answer: i wanna say -13 but it may be wrong so i dont know

Step-by-step explanation:

Answer:

Carmen saves $29.75

Step-by-step explanation:

I hope this helps!

The solution x1(t) for the de-coupled RL-RC circuit can be found by solving the differential equation x1'(t) = A11 * x1(t), where A11 is a constant value.

To solve this differential equation, we can use separation of variables.

1. Begin by separating the variables by moving all terms involving x1(t) to one side of the equation and all terms involving t to the other side. This gives us:

x1'(t) / x1(t) = A11

2. Integrate both sides of the equation with respect to t:

∫ (x1'(t) / x1(t)) dt = ∫ A11 dt

3. On the left side, we have the integral of the derivative of x1(t) with respect to t, which is ln|x1(t)|. On the right side, we have A11 * t + C, where C is the constant of integration.

So the equation becomes:

ln|x1(t)| = A11 * t + C

4. To solve for x1(t), we can exponentiate both sides of the equation:

|x1(t)| = exp(A11 * t + C)

5. Taking the absolute value of x1(t) allows for both positive and negative solutions. To remove the absolute value, we consider two cases:

  - If x1(0) > 0, then x1(t) = exp(A11 * t + C)
  - If x1(0) < 0, then x1(t) = -exp(A11 * t + C)

  Here, x1(0) is denoted as x10.

Therefore, the solution x1(t) for the de-coupled RL-RC circuit, starting at t=0, is given by either x1(t) = exp(A11 * t + C) or x1(t) = -exp(A11 * t + C), depending on the initial condition x10.

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