If the sum of deviations of 100 observations from 20 is 5, what would be the maximum total number of them such that each of which is at least 5? Answer:

Answers

Answer 1

The maximum total number of observations with a deviation of at least 5 is 1.

If the sum of deviations of 100 observations from 20 is 5, then the maximum total number of them, such that each of which is at least 5, can be found by considering the minimum deviation for the other observations.

Since we want the maximum total number of observations with a deviation of at least 5, let's assume all other observations have a deviation of 0 (meaning they are equal to 20). Let x be the number of observations with a deviation of at least 5. Then, the sum of deviations can be represented as:

5x + 0(100-x) = 5

Solving for x, we get:

5x = 5
x = 1

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Related Questions

find the area of the trapezoid. if the answer is not an integer, leave it in simplest radical form. the figure is not to scale. PLEASE HELP

find the area of the trapezoid. if the answer is not an integer, leave it in simplest radical form. the

Answers

I'm sorry this question is not clear and I am not really able to answer it.

Please answer quickly!!!!

Please answer quickly!!!!

Answers

Answer:

..... .

Step-by-step explanation:

......... ......

Please answer quickly!!!!
Please answer quickly!!!!

Will the probability of winning plus the probability of losing always equal 1?​

Answers

Answer:

\( \sf \huge \fbox{{No}}\)

Step-by-step explanation:

Consider an event or an competition is going on. two competetors (let A & B) are racing with each other to win something. Let's see what are the possible events that can occur,

Event 1- Competetor A wins the race against B

Event 2- Competetor B wins the race against B

Event 3- Match draw, either both of them are winner or none of them are winner.

So there are three possible events that can occur & we know that total probability always equals one, let's calculate the probability for each event individually.

The probability of occuring each event is equal, hence,

\( \sf Probability \: of \: winning \: p(w)= \frac{1}{3} \)

\( \sf Probability \: of \: losing \: p(l)= \frac{1}{3}\)

\( \sf Probability \: of \: match \: draw \: p(d)= \frac{1}{3}\)

Now,

the sum of probability of winning & probability of losing,

\(p(w) +p(l) = \frac{1}{3} + \frac{1}{3} = \frac{2}{3} ≠1\)

Hence, the result is contradiction to the statement the probability of winning plus the probability of losing always equal 1.

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The point is on the terminal side of an angle in standard position. Determine the exact values of the six trigonometric functions of the angle.

Answers

To determine the exact values of the six trigonometric functions (sine, cosine, tangent, cosecant, secant, and cotangent) of an angle in standard position, we need additional information regarding the coordinates of the point on the terminal side of the angle.

To calculate the trigonometric functions of an angle, we require the coordinates of the point on the terminal side of the angle in standard position (measured from the origin). With these coordinates, we can determine the values of the trigonometric functions.

Specifically, we can use the ratios of the sides of a right triangle formed by the angle. The sine is the ratio of the opposite side to the hypotenuse, cosine is the ratio of the adjacent side to the hypotenuse, and tangent is the ratio of the opposite side to the adjacent side. Cosecant, secant, and cotangent are the reciprocals of sine, cosine, and tangent, respectively. However, without specific coordinates, we cannot provide the exact values of the trigonometric functions.

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How many oz is 150 ml?

Answers

150 milliliters is equivalent to approximately 5.079 ounces.

Converting milliliters (ml) to ounces (oz) is a common task when working with liquid measurements, especially in cooking and baking, where measurements may be taken in both metric and imperial units. An ounce is a unit of volume commonly used in the United States, while a milliliter is the standard unit of volume in the metric system.

To convert milliliters to ounces, you need to use the following conversion formula: 1 oz = 29.5735 ml. This means that for every ounce, there are 29.5735 milliliters. To convert 150 milliliters to ounces, simply divide 150 by 29.5735:

150 ml / 29.5735 ml/oz = 5.079 oz

Therefore, 150 milliliters is equivalent to approximately 5.079 ounces.

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Kayla purchased 0.1 pounds of medium binder clips and 0.2 pounds of jumbo binder clips.
What was the total cost?
if
standard paper clips-$4 per lb
jumbo binder clips-$6 per lb
colored paper clips-$5 per lb
medium binder clips- $5 per lb

Kayla purchased 0.1 pounds of medium binder clips and 0.2 pounds of jumbo binder clips.What was the total

Answers

The total cost of Kayla's purchase of 0.1 pounds of medium binder clips and 0.2 pounds of jumbo binder clips is $1.20.

To calculate the total cost, we need to determine the cost of each type of binder clip separately and then sum them up.

The cost of medium binder clips is $5 per pound, and Kayla purchased 0.1 pounds. Therefore, the cost of medium binder clips is 0.1 pounds * $5 per pound = $0.50.

The cost of jumbo binder clips is $6 per pound, and Kayla purchased 0.2 pounds. Thus, the cost of jumbo binder clips is 0.2 pounds * $6 per pound = $1.20.

Finally, to find the total cost, we add the individual costs together: $0.50 + $1.20 = $1.70.

Therefore, the total cost of Kayla's purchase of 0.1 pounds of medium binder clips and 0.2 pounds of jumbo binder clips is $1.70.

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What is the solution of 2x^2 5x 3 0?

Answers

The Given quadratic equation has two solutions: 1 and 3/2. A quadratic problem was solved by utilizing the factoring method.

A quadratic equation is defined.

At least one squared term must be present because a quadratic is a second-degree polynomial equation. It is also known as quadratic equations. ax^2 + b*x + c = 0 is the quadratic equation's general form.

where x is the unknown variable and a, b, and c are constant terms.

In this case, I'm solving a quadratic problem by factoring.

The following quadratic equation is

2x^2 - 5x + 3 = 0.

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

2x^2 -3x -2x + 3 = 0.

x(2x-3) -1(2x -3) = 0.

(2x-3)(x-1) = 0.

2x - 3 =0 or x -1 =0

x = 3/2 or x =1

So the solutions of a quadratic equation are 3/2 and 1.

Given Question is incomplete complete question here:

What are the solutions of the quadratic equation 2x^2-5x+3 =  0?

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What is the probability that 3 hearts are chosen if 7 cards are chosen from a well-shuffled deck of 52 playing cards?
a) 0.17583334
b) 0.00000026
c) 0.00000214
d) 0.00000029
e) 0.00000016

Answers

The probability that 3 hearts are chosen if 7 cards are chosen from a well-shuffled deck of 52 playing cards  is option (c) 0.00000214.

The probability of selecting exactly 3 hearts if 7 cards are chosen from a well-shuffled deck of 52 playing cards can be calculated using the hypergeometric distribution.

The total number of ways to choose 7 cards from 52 is given by the combination C(52,7), which is the total number of possible outcomes.

The number of ways to choose 3 hearts and 4 non-hearts is given by the product of the number of ways to choose 3 hearts from 13 and the number of ways to choose 4 non-hearts from 39. That is:

C(13,3) \(\times\) C(39,4)

Therefore, the probability of selecting exactly 3 hearts is:

P(3 hearts) = [C(13,3) \(\times\) C(39,4)] / C(52,7)

Calculating this probability gives:

P(3 hearts) ≈ 0.00000214

Therefore, the correct answer is option (c).

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3. If you buy a new car for $6,000 which depreciates at 4%/year,
what will the value be after 3 years?

Answers

Answer:

$5,308.42

Step-by-step explanation:

(see attached for reference)

recall that the formula for Depreciation

is given by

A = P ( 1 - r)^t,

where

A = final amount

P = principal amount = given as $6,000

r = depreciation rate = given as 4% = 0.04

t = time in years = given as 3,

Simply substitute these into the equation to get:

A = P ( 1 - r)^t

= 6000( 1 - 0.04) ^ 3

= 6000 (0.96)^3

= $5,308.42

3. If you buy a new car for $6,000 which depreciates at 4%/year,what will the value be after 3 years?

Is cleaning the measuring instrument not necessary?

Answers

It is necessary to clean the measuring instrument the moving parts of the measuring device may be harmed if airborne dust or dirt gets inside of it. Additionally, if any foreign objects are present between the measurement target and the measuring device, precise measurements may be affected.

what is measuring instrument?

A measuring instrument is a tool used to quantify anything tangible. The act of obtaining and comparing physical amounts of actual objects and occurrences is known as measuring in the physical sciences, quality control, and engineering. Vernier calipers, micrometers, dial gauges, gauges of various types, bubble levels, protractors, and rulers are some of the primary goods that fall under the category of measurement instruments. These equipment are employed in the production process and for quality assurance.

It is necessary to clean the measuring instrument the moving parts of the measuring device may be harmed if airborne dust or dirt gets inside of it.

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ANSWER PLEASE HURRY!!!!!!!!!!!!!!!!!!!!!!!

ANSWER PLEASE HURRY!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer

put 1 on top and exo on bottom

Step-by-step explanation:

Katrina had $138.72 in her checking account. she wrote checks to take out $45.23 and $18.00, and then made a deposit of $75.85 into her account. how much does katrina have in her account now?

Answers

$151.34
You subtract $45.23 and $18.00 from $138.72 and then add $75.85 to the sum of that and get $151.34 as your answer.

Brad wants to write as many multiplication and division equations as he can, using only the numbers 6, 2, 3, and their opposites.

Answers

The multiplication and divison equation involves using the '×' and '÷' operator on numbers. Few equations using the divison and multiplication operator are given below.

Given the numbers 6, 2, 3

Their opposite values are :

-6, - 2, - 3

Divison equation possible include :

6 ÷ 2 = 3 6 ÷ 3 = 2 -6 ÷ 2 = - 3 -6 ÷ 3 = - 2-6 ÷ - 3 = 2 -6 ÷ - 2 = 3

Multiplication equations :

6 × 2 = 126 × 3 = 18-6 × 2 = - 12 -6 × 3 = - 18-6 × - 3 = 18-6 × - 2 = 12

There are other multiplication and division equations which can be extracted from the given values, above are just a few.

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the required time is 3 years.
mple 7: Find the compound interest of Rs 50,000 for 3 years if the rates of interest for
three years are 4 %, 5 % and 6 % p.a, respectively,​

Answers

Answer:

Step-by-step explanation:

For 4%

A = $56,363.59

A = P + I where

P (principal) = $50,000.00

I (interest) = $6,363.59

calculation step

First, convert R as a percent to r as a decimal

r = R/100

r = 4/100

r = 0.04 rate per year,

Then solve the equation for A

A = P(1 + r/n)nt

A = 50,000.00(1 + 0.04/12)(12)(3)

A = 50,000.00(1 + 0.003333333)(36)

A = $56,363.59

Summary:

The total amount accrued, principal plus interest, with compound interest on a principal of $50,000.00 at a rate of 4% per year compounded 12 times per year over 3 years is $56,363.59.

for 5 %

A = $58,073.61

A = P + I where

P (principal) = $50,000.00

I (interest) = $8,073.61

calculation step

First, convert R as a percent to r as a decimal

r = R/100

r = 5/100

r = 0.05 rate per year,

Then solve the equation for A

A = P(1 + r/n)nt

A = 50,000.00(1 + 0.05/12)(12)(3)

A = 50,000.00(1 + 0.004166667)(36)

A = $58,073.61

Summary:

The total amount accrued, principal plus interest, with compound interest on a principal of $50,000.00 at a rate of 5% per year compounded 12 times per year over 3 years is $58,073.61.

For 6 %

A = $59,834.03

A = P + I where

P (principal) = $50,000.00

I (interest) = $9,834.03

calculation step

First, convert R as a percent to r as a decimal

r = R/100

r = 6/100

r = 0.06 rate per year,

Then solve the equation for A

A = P(1 + r/n)nt

A = 50,000.00(1 + 0.06/12)(12)(3)

A = 50,000.00(1 + 0.005)(36)

A = $59,834.03

Summary:

The total amount accrued, principal plus interest, with compound interest on a principal of $50,000.00 at a rate of 6% per year compounded 12 times per year over 3 years is $59,834.03.

let f(x)=x^3, g(x)=sqrt x, and h(x)=x/3. Find each of the following.

h(f(g(1/2)))
h(f(g(x)))

Answers

The value of the functions are;

h(f(g(1/2))) =  (√1/2)³/3

h(f(g(x))) = = (√x)³/3

How to determine the value

It is important to note that a function is an equation that shows the relationship between two variables

From the information given, we have that;

f(x) = x³

g(x) = √x

h(x) = x/3

To determine the composite function, we need to substitute the value of one function as the value of x in the other, we have that

f(g(1/2) =

g(1/2) = √1/2

Substitute the value

f(g(1/2) = (√1/2)³

Now, substitute the value as x in h(x)

h(f(g(1/2))) =  (√1/2)³/3

f(g(x)) = (√x)³

Then, h(f(g(x))) = = (√x)³/3

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A sports marketing company is interested in how many hours teenagers in a town spend watching sports. They randomly select 40 teenagers in this town and ask how many hours per week they spend watching sports. The mean amount is 6.25 hours with a standard deviation of 4.33 hours. Which of the following is the 90% confidence interval for the true mean amount of time teenagers from this town watch sports

Answers

(5.097, 7.404) is the 90% confidence interval for the true mean amount of time teenagers from this town watch sports. This can be solved using the concept of standard deviation.

What is standard deviation?

Data dispersion in regard to the mean is quantified by a standard deviation, or "σ". Data are said to be more closely grouped around the mean when the standard deviation is low and more dispersed when the standard deviation is high.

Because it makes measures easier to comprehend when the data is spread, standard deviation is significant. The data's standard deviation will increase as the data's distribution becomes more widely scattered. The deviation of each observed value from the mean is measured using this metric. The majority of data in any distribution will fall within a 2 standard deviation range of the mean.

Thus, (5.097, 7.404) is the 90% confidence interval for the true mean amount of time teenagers from this town watch sports.

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The complete question is as follows:

A sports marketing company is interested in how many hours teenagers in a town spend watching sports. They randomly select 40 teenagers in this town and ask how many hours per week they spend watching sports. The mean amount is 6.25 hours with a standard deviation of 4.33 hours. Which of the following is the 90% confidence interval for the true mean amount of time teenagers from this town watch sports?

Find the t-table here.

(4.396, 8.104)

(4.865, 7.635)

(5.097, 7.404)

(5.245, 7.256)

An automobile manufacturer would like to know what proportion of its customers are not satisfied with the service provided by the local dealer. The customer relations department will survey a random sample of customers and compute a 95% confidence interval for the proportion who are not satisfied.
(a) Past studies suggest that this proportion will be about 0.17. Find the sample size needed if the margin of the error of the confidence interval is to be about 0.015. (You will need a critical value accurate to at least 4 decimal places.) Sample size:
(b) Using the sample size above, when the sample is actually contacted, 25% of the sample say they are not satisfied. What is the margin of the error of the confidence interval? MoE:

Answers

The margin of error for the confidence interval is approximately 0.014, indicating that the estimate of the proportion of dissatisfied customers could be off by approximately plus or minus 0.014. This means that we can be 95% confident that the true proportion of dissatisfied customers falls within the range of the estimated proportion ± 0.014.

(a) To find the sample size needed to achieve a margin of error of about 0.015 with a 95% confidence level, we can use the formula for sample size calculation for proportions:

n = (Z^2 * p * (1-p)) / E^2

Where:

n = sample size

Z = critical value (corresponding to the desired confidence level)

p = estimated proportion of the population

E = margin of error

In this case, the estimated proportion of dissatisfied customers is 0.17, and the desired margin of error is 0.015. Since we want a 95% confidence level, the critical value can be obtained from a standard normal distribution table. The critical value for a 95% confidence level is approximately 1.96.

Plugging these values into the formula, we have:

n = (1.96^2 * 0.17 * (1-0.17)) / 0.015^2

n ≈ 1901.63

Therefore, the sample size needed is approximately 1902.

(b) If 25% of the sample say they are not satisfied, we can calculate the margin of error using the following formula:

MoE = Z * sqrt((p * (1-p)) / n)

Where:

MoE = margin of error

Z = critical value (corresponding to the desired confidence level)

p = proportion of the sample

n = sample size

Using the same critical value of 1.96 for a 95% confidence level and plugging in the values:

MoE = 1.96 * sqrt((0.25 * (1-0.25)) / 1902)

MoE ≈ 0.014

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Towns K and L are shown on a map.
a) Work out the actual distance between towns K and L.
b) A third town, M, is 150 km due
South of town K.
Mark Mon the map with X.
c) Measure the bearing of town L from town K.

Answers

a) The actual distance between towns K and L is: 100 km

b) As shown in the attached file

c) The bearing of town L from town K is 117 degrees.

How to Interpret the map?

The scale of the map is given as:

1 cm to represent 50 km

Now, when we measure the distance between K and L on the map, we see that it gives us a distance of 2 cm.

Using the scale of 1 cm: 50 km, we can say that:

Actual distance between towns K and L = (2 * 50)/1 = 100 km

b) Using a compass and it’s 3cm aiming down {South} as seen in the attached photo. Then a line was drawn aiming {South} with a ruler. On the end of the line the (x) point was put there to get the mark.

c) Measuring the angle gives the bearing of town L from town K which is 117 degrees.

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Towns K and L are shown on a map.a) Work out the actual distance between towns K and L.b) A third town,

Triangle X Y Z is shown. Angle X Z Y is a right angle. The length of Z X is b, the length of Z Y is a, and the length of hypotenuse X Y is c.
Given right triangle XYZ, which correctly describes the locations of the sides in relation to ∠Y?

a is opposite, b is adjacent, c is the hypotenuse
a is the hypotenuse, b is opposite, c is adjacent
a is adjacent, b is the hypotenuse, c is opposite
a is adjacent, b is opposite, c is the hypotenuse

Answers

Answer:

C. A is adjacent, B is opposite, C is the hypotenuse

The locations of the sides in relation to ∠Y are that a is adjacent, b is opposite, and c is the hypotenuse. The correct answer would be an option (D).

What is the right triangle?

A right triangle is defined as a triangle in which one angle is a right angle or two sides are perpendicular.

In the right triangle XYZ we have

The legs are represented by sides a and b, whereas the hypotenuse is represented by side c. (the greater side)

Angle Y's adjacent side is side a, while angle X's opposite side is side b.

Side b is the opposing side of angle Y and next to angle X.

The hypotenuse is represented by side c.

Because the angles X and Y are complementary, their total equals 90 degrees.

Therefore, we can conclude that a is adjacent, b is opposite, and c is the hypotenuse.

Hence, the correct answer would be an option (D).

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The question seems to be incomplete the missing figure has been attached below.

Triangle X Y Z is shown. Angle X Z Y is a right angle. The length of Z X is b, the length of Z Y is a,

Select the EXAMPLE(S) that demonstrate financial honesty.


1.Cooper includes all truthful information when he completes an application for a checking account.

2. Brianna writes a check knowing that she has the funds in her checking account to cover it.

3. Allison makes a large purchase with store credit without knowing how she will pay for it.
4. Greg discloses all the fees in the sales contracts for the products he sells in his store
(multiple choice) help please

Answers

Answer: 1, 2, and 4

Step-by-step explanation:

1. Cooper included ALL truthful information.

2. Brianna KNOWS she has the funds.

3. Allison makes a large purchase WITHOUT knowing how she will pay.

4. Greg discloses ALL fees.



Keith is randomly arranging desks into circles for group activities. If there are 7 desks in his circle, what is the probability that Keith will be in the desk closest to the door?

Answers

The probability that Keith will be in the desk closest to the door is 1/720.

The probability that Keith will be in the desk closest to the door can be determined by considering the total number of possible arrangements and the number of favorable arrangements where Keith is in the desired desk.

To calculate the total number of possible arrangements, we need to find the number of ways to arrange 7 desks in a circle. The number of ways to arrange objects in a circle is given by (n-1)!, where n is the number of objects. In this case, there are 7 desks, so the total number of possible arrangements is (7-1)! = 6!.

Next, we need to determine the number of favorable arrangements where Keith is in the desk closest to the door. Since the circle is symmetrical, there is only one desk closest to the door. Therefore, Keith can only be in one specific desk.

So, the probability that Keith will be in the desk closest to the door is given by the number of favorable arrangements divided by the total number of possible arrangements.

Probability = Number of favorable arrangements / Total number of possible arrangements = 1 / 6!

To calculate the probability, we can simplify the expression:

Probability = 1 / (6 x 5 x 4 x 3 x 2 x 1) = 1 / 720

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How do you solve arithmetic overflow error converting numeric to data type numeric?

Answers

Arithmetic overflow error converting numeric to data type numeric can be solved by increasing the precision and the scale, storing number in different data type or use user-defined datatype.

An "arithmetic overflow error converting numeric to data type numeric" error occurs when you try to store a number in a numeric column that is too large to be represented by the specified precision and scale. To resolve this error, you have a few options:

Increase the precision and scale of the numeric column, you can increase the precision and scale of the numeric column so that it can store larger numbers.

Store the number in a different data type:

If you don't need the precision and scale of a numeric column, you can store the number in a different data type, such as float or big int.

Round the number to a smaller value:

 If the number is too large to be represented in the numeric column, you can round it to a smaller value before inserting it into the database.

Use a user-defined data type:

 If the number is still too large to be represented in a numeric column or a different data type, you can create a custom data type in SQL Server to store the number.

It's important to choose the right solution based on your requirements and the specific use case. You may also need to consider the performance implications of each solution, especially if the data being stored is very large or complex.

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a) describe the history of the chinese remainder theorem. b) describe some of the relevant problems and how the chinese remainder theorem applies to them.

Answers

The Chinese Remainder Theorem (CRT) is a mathematical principle that dates back to ancient Chinese mathematics. Its origins can be traced to Sun Tzu's "The Art of War," written in the 5th century BC, where he discussed a problem related to the deployment of troops.

However, the earliest known reference to the theorem as we know it today comes from the Chinese mathematician Sun Zi in the 3rd century AD. The theorem was later rediscovered and popularized in Europe by the mathematician Gottfried Leibniz in the 17th century.

The CRT has many practical applications in number theory, cryptography, and computer science. For example, it can be used to solve systems of linear congruences, which arise in a variety of mathematical problems. It is also used in Chinese remainder coding, a method for efficient data transmission in computer networks. In cryptography, the theorem is used to construct public-key cryptosystems, such as the RSA algorithm. Additionally, the CRT is used in the design of error-correcting codes and in the solution of problems related to modular arithmetic.

Overall, the Chinese Remainder Theorem is an ancient yet still relevant mathematical concept that has found a wide range of applications in modern times. Its history spans millennia and multiple cultures, from ancient China to Europe and beyond.

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find the solution of the given initial value problem. y'' 4y = t2 2et, y(0) = 0, y'(0) = 1

Answers

To solve this second-order linear homogeneous differential equation, we first find the characteristic equation:

r^2 + 4 = 0

This has roots r = ±2i, so the general solution to the homogeneous equation is:

y_h(t) = c_1 cos(2t) + c_2 sin(2t)

Next, we need to find a particular solution to the non-homogeneous equation. Since the right-hand side of the equation is a polynomial times an exponential, we can try a particular solution of the form:

y_p(t) = (At^2 + Bt + C)e^t

Taking the first and second derivatives of y_p(t), we get:

y_p'(t) = (2At + B + At^2 + 2At + 2B + C)e^t

y_p''(t) = (4A + 2At)e^t + (2At + 2B)e^t + (At^2 + 4At + 2B + C)e^t

Substituting these into the differential equation and simplifying, we get:

(4A + 2At)e^t + (2At + 2B)e^t + (At^2 + 4At + 2B + C)e^t - 4(At^2 + Bt + C)e^t = t^2/2

Simplifying further and collecting like terms:

(e^t)(At^2 + (2A - 4B)t + (4A + 2B - 4C)) = t^2/2

Since the left-hand side is a quadratic polynomial in t, we can equate its coefficients to those of the right-hand side to get a system of equations:

A = 1/8

2A - 4B = 0

4A + 2B - 4C = 0

Solving this system of equations, we get:

A = 1/8, B = 1/16, C = 5/64

Therefore, the particular solution is:

y_p(t) = (t^2/8 + t/16 + 5/64)e^t

The general solution to the non-homogeneous equation is then:

y(t) = y_h(t) + y_p(t) = c_1 cos(2t) + c_2 sin(2t) + (t^2/8 + t/16 + 5/64)e^t

Using the initial conditions y(0) = 0 and y'(0) = 1, we can find the constants c_1 and c_2:

y(0) = 0 = c_1 + 5/64

c_1 = -5/64

y'(t) = -2c_1 sin(2t) + 2c_2 cos(2t) + (t/4 + 5/64)e^t + (t^2/8 + t/16 + 5/64)e^t

y'(0) = 1 = 2c_2 + 5/64

c_2 = 27/128

Therefore, the solution to the initial value problem is:

y(t) = (-5/64) cos(2t) + (27/128) sin(2t) + (t^2/8 + t/16 + 5/64)e^t

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What conjecture can you make about the sum of the first 19 odd numbers?

Answers

Answer: 1, 3, 5, 7, 9, . . . . , 37. Therefore, 361 is the sum of first 19 odd numbers.

Step-by-step explanation:

Function notation homework:
2. g(x) = 3x-8; g(-3)
3. h(x) = 2/3x-1; h(9)
6. g(x) = -1/2x+9; g(-8)

Answers

The functions have their values to be g(-3) = - 17, h(9) = 5 and g(-8) = 13

How to determine the value of the function?

Function 1

From the question, the definition of the function is given as

g(x) = 3x - 8

The function to calculate is given as g(-3)

The above means that

We calculate the function g(x) when x = -3

So, we have the following representation

Calculate g(x) when x = -3

Substitute -3 for x in g(x) = 3x - 8

So, we have the following representation

g(-3) = 3(-3) - 8

Evaluate the products

g(-3) = -9 - 8

Evaluate the difference

g(-3) = - 17

Function 2

From the question, the definition of the function is given as

h(x) = 2/3x - 1

The function to calculate is given as h(9)

The above means that

We calculate the function h(x) when x = 9

So, we have the following representation

Calculate h(x) when x = 9

Substitute 9 for x in h(x) = 2/3x - 1

So, we have the following representation

h(9) = 2/3(9) - 1

Evaluate the products

h(9) = 6 - 1

Evaluate the difference

h(9) = 5

Function 3

From the question, the definition of the function is given as

g(x) = -1/2x + 9

The function to calculate is given as g(-8)

The above means that

We calculate the function g(x) when x = -8

So, we have the following representation

Calculate g(x) when x = -8

Substitute -8 for x in g(x) = -1/2x + 9

So, we have the following representation

g(-8) = -1/2 x -8 + 9

Evaluate the products

g(-8) = 4 + 9

Evaluate the difference

g(-8) = 13

Hence, the value of the function is g(-8) = 13

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Evaluate the integralI=∫cxydx+(x−y)dywhen C consists of line segments from (0,0) to (3,0) and from (3,0) to (4,2)

Answers

The value of the given line integral ∫cxydx+(x−y)dywhen C consists of line segments from (0,0) to (3,0) and from (3,0) to (4,2) is 23/2.

We can evaluate the line integral by breaking it up into two parts along the two line segments of the curve:

∫cxydx+(x−y)dy = ∫C1xydx+(x−y)dy + ∫C2xydx+(x−y)dy

where C1 is the line segment from (0,0) to (3,0) and C2 is the line segment from (3,0) to (4,2).

Along C1, y = 0, so the integral reduces to:

∫C1xydx+(x−y)dy = ∫₀³ x(0)dx + (x - 0)dy = ∫₀³ xdx = [x²/2]₀³ = 9/2

Along C2, we can parameterize the curve as x = 3t, y = 2t for 0 ≤ t ≤ 1, so dx = 3dt and dy = 2dt. Substituting these into the integral, we get:

∫C2xydx+(x−y)dy = ∫0¹ (3t)(2t)(3dt) + (3t - 2t)(2dt)

= ∫₀¹ (18t² + 2t)dt = [6t³ + t²]₀¹ = 7

Thus, the line integral over the entire curve C is:

I = ∫C1xydx+(x−y)dy + ∫C2xydx+(x−y)dy = 9/2 + 7 = 23/2.

Therefore, the value of the given line integral is 23/2.

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A plane figure can be 'transformed' in different ways. Study the transformations described below. A
'translation' slides all the points in a plane figure through the same distance in the same direction. Let
horizontal translation be given by 'h' and vertical by 'v'. Consider Figure 1 as the original figure, with h
= 0, v = 0

Answers

Yes, a plane figure can be transformed in various ways, including translations, rotations, reflections, and dilations.

What is translation?

A translation is a type of transformation that moves all the points in a figure through the same distance and in the same direction. The horizontal and vertical translations, denoted by h and v, respectively, specify the distance and direction of the movement.

For example, if h=2 and v=3, this would mean that the figure is moved 2 units to the right and 3 units up.

In general, the coordinates of a point (x, y) in the translated figure will be (x+h, y+v) in the new figure.

Hence , a plane figure can be transformed in various ways, including translations, rotations, reflections, and dilations.

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A plane figure can be 'transformed' in different ways. Study the transformations described below. A'translation'

Help someone asapppp

Help someone asapppp

Answers

Answer:

30

Step-by-step explanation:

Eddie compared prices of two auto-rental agencies for the use of a mid-size auto for one week. Right Price Auto charged a flat fee of $386 plus 20¢ per mile driven. EconoCar charged a flat fee of $344 plus 35¢ per mile driven. Which equation should he use to determine the distance in miles, m, that would make the total charges of both auto-rental agencies equal?​

Answers

Answer:

What are the options?

Step-by-step explanation:

Answer: I would help you but I do no know the answer to this either and I will help you later have a nice day

Step-by-step explanation:

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