Obtain the general solution to the equation. StartFraction dy Over dx EndFraction equals StartFraction y Over x EndFraction plus 3 x plus 1 The general solution is ​y(x)equals nothing​, ignoring lost​ solutions, if any.

Answers

Answer 1

Answer: y(x) = C.x.\(e^{\frac{3x}{2}+x}\)

Step-by-step explanation: To solve the differential equation:

1) Put similar terms together:

\(\frac{dy}{dx} = \frac{y}{x}+3x+1\)

\(\frac{dy}{y} = (\frac{1}{x} +3x + 1) dx\)

2) Integrate both sides

\(\int\limits {\frac{dy}{y} } = \int\ {\frac{1}{x} + 3x + 1 } \, dx\)

ln y = ln x + \(\frac{3}{2}x^{2}\) + x + c

y(x) = \(e^{lnx + \frac{3}{2}x^{2}+x}.e^{c}\)

3) Knowing that c is a constant and \(e^{lnx} = x\):

y(x) = C.x.\(e^{\frac{3}{2}.x^{2} + x }\)

The general solution to the equation is: y(x) = C.x.\(e^{\frac{3}{2}.x^{2} + x }\)


Related Questions

Which expression is equivalent to 9x + 4y +5+20 + 8?
17 + 6 + 5
130 + 7 + 8
110 + 4y + 13
90 | 6y + 13

Which expression is equivalent to 9x + 4y +5+20 + 8?17 + 6 + 5130 + 7 + 8110 + 4y + 1390 | 6y + 13

Answers

Step-by-step explanation:

11x+4y+13

Hope it helps you

Please please answer

Please please answer

Answers

Answer:

thanks for your support of the personal information on the direction of economics class

HELP ASAP WILL MARK BRAINLIEST PLEASE!!

Express your answers in simplest form. An isosceles triangle has a base with a measure of u cm. If the triangle has a perimeter of 16 cm, what is the measure of one of its legs in terms of u?

Answers

Please see the picture below
Side = 8 - u / 2
HELP ASAP WILL MARK BRAINLIEST PLEASE!!Express your answers in simplest form. An isosceles triangle has

what is the area of a triangular prism with dimensions of 13ft, 5 ft,12 ft, 6 ft

Answers

The area of a triangular prism with dimensions of 13ft, 5 ft, & 12 ft, and 6 ft will be 240 square feet.

What is the surface area of a triangular prism?

Let h be the height and b be the base of the triangle. Let L₁, L₂, and L₃ be the length and W be the width of the rectangle.

Then the surface area of the triangular prism will be

Surface area = 2 Area of triangle + 3 Area of rectangle

Surface area = (h x b) + (L₁ + L₂ + L₃) x W

The dimension of the triangle is 13 feet, 5 feet, and 12 feet. And the width of the rectangle is 6 feet.

The surface area of the triangular prism will be given as,

Surface area = 5 x 12 + (5 + 12 + 13) x 6

Surface area = 60 + 180

Surface area = 240 square feet

The area of a triangular prism with dimensions of 13ft, 5 ft, & 12 ft, and 6 ft will be 240 square feet.

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Chay is buying mulch for the zoo's summer flower beds. She has enough in her budget to purchase 55 bags of mulch. If there are 20 flower beds, how many bags of mulch can be used in each flower bed?

Answers

Chay can use 3 bags of mulch per flower bed.

Chay is buying mulch for the zoo's summer flower beds. She has enough in her budget to purchase 55 bags of mulch. If there are 20 flower beds, how many bags of mulch can be used in each flower bed?The number of bags of mulch that can be used in each flower bed can be found by dividing the total number of bags of mulch by the number of flower beds, as given by the problem.Let X be the number of bags of mulch used in each flower bed. Then, the following equation can be written:Total number of bags of mulch = X × number of flower beds (20)Or, 55 = 20XDividing both sides of the equation by 20, we get: X = 55/20X = 2.75.Therefore, Chay can use 2.75 bags of mulch in each flower bed. However, since we cannot have a fraction of a bag of mulch, she would have to round up to 3 bags of mulch per flower bed to ensure each flower bed has enough mulch.

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The points (6,9) and (8,j) fall on a line with a slope of – 7. What is the value of j?

Answers

\((\stackrel{x_1}{6}~,~\stackrel{y_1}{9})\qquad (\stackrel{x_2}{8}~,~\stackrel{y_2}{j}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{j}-\stackrel{y1}{9}}}{\underset{run} {\underset{x_2}{8}-\underset{x_1}{6}}} \implies \cfrac{j -9}{2}~~ = ~~\stackrel{\stackrel{m}{\downarrow }}{-7}\implies j-9=-14\implies j=-5\)

u
Question 3
5 pts
Charlie can run at a speed of 5.35 miles per hour. How far can he run in 2.5
hours?

13.375 miles

o 7.85 miles

2.85 miles

133.75 miles

Answers

Answer:

13.375 miles

Step-by-step explanation:

Hope this helps :)

I believe the answer is 13.375 is the answer!

68. A table top and the floor are a model of parallel planes.
a. True
b. False

Answers

Answer:

true

Step-by-step explanation:

True the table top can go on forever without touching the floor.

What is the equation of the line that passes through the point (7,6) and has a slope of 0

Answers

The equation of the line that passes through the point (7, 6) with slope 0 is y = 6

Given,

The points which the line passes, (x₁, y₁) = (7, 6)

Slope of the line, m = 0

We have to find the equation of the line:

We know that,

y - y₁ = m(x - x₁)

So,

y - 6 = 0(x - 7)

y - 6 = 0

y = 6

That is,

The equation of the line that passes through the point (7, 6) with slope 0 is y = 6

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Find each percent decrease. Round to the nearest percent. 7. From 20 miles to 11 miles

Answers

The answer will be 45%

Use implicit differentiation to find an equation of the tangent line to the curve
sin(x+y)=4x−4y at the point (π,π)

Answers

Answer:

The equation of the tangent line to the curve sin(x+y) = 4x - 4y at the point (π,π) is y = (-4/5)x + (8/5) + π.

Step-by-step explanation:

o find the equation of the tangent line to the curve sin(x+y) = 4x - 4y at the point (π,π) using implicit differentiation, we can follow these steps:

Differentiate both sides of the equation with respect to x:

cos(x+y) * (1 + dy/dx) = 4 - 4dy/dx

Simplify by grouping the terms with dy/dx on one side and the rest on the other side:

cos(x+y) * (1 + dy/dx) + 4dy/dx = 4

Substitute x = π and y = π, since we want to find the equation of the tangent line at the point (π,π):

cos(2π) * (1 + dy/dx) + 4dy/dx = 4

Simplify:

-5dy/dx = 4 - cos(2π)

dy/dx = -4/5

Use the point-slope form of the equation of a line to write the equation of the tangent line:

y - π = (-4/5)(x - π)

Simplify:

y = (-4/5)x + (8/5) + π

The equation of the tangent line to the curve sin(x+y) = 4x - 4y at the point (π,π) is y = (-4/5)x + (8/5) + π.

By using graphical method, find optimal solution of the problem max z = 3x + y s.t 2x - y ≤ 5 -x + 3y ≤ 6 x ≥ 0, y ≥ 0​

Answers

By analyzing the graph and evaluating the objective function at each vertex of the feasible region, we can find the optimal solution, which is the vertex that maximizes the objective function z = 3x + y.

To find the optimal solution of the given problem using the graphical method, we need to plot the feasible region determined by the given constraints and then identify the point within that region that maximizes the objective function.

Let's start by graphing the constraints:

1. Plot the line 2x - y = 5. To do this, find two points on the line by setting x = 0 and solving for y, and setting y = 0 and solving for x. Connect the two points to draw the line.

2. Plot the line -x + 3y = 6 using a similar process.

3. The x-axis and y-axis represent the constraints x ≥ 0 and y ≥ 0, respectively.

Next, identify the feasible region, which is the region where all the constraints are satisfied. This region will be the intersection of the shaded regions determined by each constraint.

Finally, we need to identify the point within the feasible region that maximizes the objective function z = 3x + y. The optimal solution will be the vertex of the feasible region that gives the highest value for the objective function. This can be determined by evaluating the objective function at each vertex and comparing the values.

Note: Without a specific graph or additional information, it is not possible to provide the precise coordinates of the optimal solution in this case.

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one card is drawn from a pack of 52cards each of the 52 cards being equally likely to be drawn. what is the probability that the card drawn is a king? ​

Answers

The probability of drawing a king from a standard deck of 52 cards is 1/13.

In a standard deck of 52 playing cards, there are four kings: the king of hearts, the king of diamonds, the king of clubs, and the king of spades.

To find the probability of drawing a king, we need to determine the ratio of favorable outcomes (drawing a king) to the total number of possible outcomes (drawing any card from the deck).

The total number of possible outcomes is 52 because there are 52 cards in the deck.

The favorable outcomes, in this case, are the four kings.

Therefore, the probability of drawing a king is given by:

Probability = (Number of favorable outcomes) / (Number of possible outcomes)

= 4 / 52

= 1 / 13

Thus, the probability of drawing a king from a standard deck of 52 cards is 1/13.

This means that out of every 13 cards drawn, on average, one of them will be a king.

It is important to note that the probability of drawing a king remains the same regardless of any previous cards that have been drawn or any other factors.

Each draw is independent, and the probability of drawing a king is constant.

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What is the length of BC?

What is the length of BC?

Answers

Answer: BC = 24

Step-by-step explanation:

Given:

AB = x+33

AC = 3x - 15

BC = x

<B = <C

Solution:

Because <B = <C, you can say the corresponding sides AB and AC are equal as well

AB = AC

x + 33 = 3x -15  

48 = 2x

x = 24

Since x = BC

BC = x

BC = 24

The zoo needs to hire x staff members for each exhibit. Write the expression for the number of staff members they need to hire for 20 exhibits.

Answers

Answer:

20x

Step-by-step explanation:

It is as simple as mutiplying number of exhibits (20) by number of staff members required for each exhibit.

The width of a classroom is 4 meters less than the length, and the area is 192 m^2. If the length is x m, find an equation in x and hence, find the dimensions of the classroom.

Answers

Answer:

length-x

width-x-4

area-- length* width

192=X*(X-4)

x^2-4x-192=0

x^2-16x+12x-192=0

X(x-16)+12(x-16)=0

(x-16),(X+12)

X= 16 because X cannot be negative like (-12)

the dimensions of the classroom will be

length = 16

width = 12

I hope this will help everyone

find the gradient of the line segment between the points (-2,3) and (1,-4).
give your answer in its simplest form.

Answers

Answer:

-7/3

Step-by-step explanation:

Rise/Run = -4-3/1--2

= -7/3

Which number line correctly shows 1.5 + 2.5?​

Which number line correctly shows 1.5 + 2.5?

Answers

Answer: The first one.

Step-by-step explanation:

Since 1.5 + 2.5 = 4, and the only graph that has an arrow pointing to 4 is the first one, then the first number line is the correct answer.

Hope this helps :)

Answer:Number line AExplanation:

The number line shows the correct total, which is 4. The others don't have the correct sum. 1.5 + 2.5 will always equal 4. Therefore, Number line A represents 1.5 + 2.5.

Hoped this helped.

\(BrainiacUser1357\)

Rewrite 4(30+5) using the Distributive Property of Multiplication over Addition.

Answers

the answer is going to be 120+5

Answer:

Step-by-step explanation:

4(30+5)

4(30)+4(5)

120+20

140

{x|x + 1 ≥ 3 and x − 6 ≤ −1}

Write the solution using interval notation

Answers

Solution down below.
{x|x + 1 3 and x 6 1}Write the solution using interval notation

1.

Ms. Abbott's 6th grade class has 18 students with brown eyes and 12 students with blue eyes. Ms. Downey's class has 15 students with brown eyes and 10 students with blue eyes. Which classroom has a higher ratio of brown eyes?
a.
Ms. Abbott's class
c.
They are the same
b.
Mrs. Downey's class
d.
Mrs. Smith's class

Answers

Answer: A Ms. Abbott’s class

Answer:

They are both the same

Step-by-step explanation:

(ratio of brown eyes to blue eyes)

Ms. Abbott's class- 18:12

Ms. Downey's class-  15:10

if you simplify both of the ratio's you'll get 3:2 for both of them. Therefore both classes have the same ratio of brown eyes to blue eyes.

elect all equations that represent the number of subscribers, , in terms of months since the beginning of the year (when she had 150 subscribers).

Answers

There are no equations provided in the question, so I am unable to select equations that represent the number of subscribers in terms of months since the beginning of the year. Please provide me with the equations to choose from.

Which ordered pair solves this linear system?
Y= -x
Y= 2x

Answers

The ordered pair that solves the system of equation is (0, 0).

To solve this system, we can substitute the first equation into the second equation to eliminate y:

x = 2x

Solving for x, we get x = 0.

Substituting x = 0 into the first equation, we get y = 0.

Therefore, the ordered pair that solves the system is (0, 0).

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Which location is in the region for plants receiving the
maximum amount of water?
O (-3,-1)
O (-7,1)
O (1,-5)
O (2, 1)

Answers

The location which is in the region for plants receiving the maximum amount of water is "(-3,-1)". The Option A is correct.

What determines maximum amount of water reaching a plant?

Water flows into the open pore spaces in the soil by gravity, and the size and spacing of the soil particles determine how much water can flow in. Because coarse soils have larger pore spacing at the soil surface, they have a higher infiltration rate than fine soils.

Based on the graph, we observed that the point of location in which is in the region for plants receiving the maximum amount of water is the point (-3,-1). Therefore, we agree that Option A is correct.

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In 2019, 15.9% of Broadway actors were acting in their first role on Broadway. Suppose we took a survey of 38 Broadway actors and found that 18.4% of the actors we surveyed were first-timers. What are the mean and standard deviation for the sampling distribution of pÌ p^? 1. Mean: 0.159, Standard Deviation: 0.0592. Mean: 0.159, Standard Deviation: 0.36573. Mean: 0.184, Standard Deviation: 0.0634. Mean: 0.184, Standard Deviation: 0.0595. Mean: 0.159, Standard Deviation: 0.063In 2019 the CDC reported that 14.0% of US adults are smokers. Suppose you take a random sample of 30 smokers and find that the proportion of them who are current smokers is 16.7%.What is the mean and the standard deviation of the sampling distribution of pÌ p^ ?1. mean = 0.140, standard deviation = 0.0682. mean = 0.167, standard deviation = 0.0633. mean = 0.140, standard deviation = 0.0634. mean = 0.167, standard deviation = 0.068

Answers

Answer:

For the Broadway actors acting in their first role on Broadway, mean: 0.184, Standard Deviation: 0.063.

For the proportion of smokers, mean = 0.167, standard deviation = 0.068

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \(\mu\) and standard deviation \(\sigma\), the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \(\mu\) and standard deviation \(s = \frac{\sigma}{\sqrt{n}}\).

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean \(\mu = p\) and standard deviation \(s = \sqrt{\frac{p(1-p)}{n}}\)

Suppose we took a survey of 38 Broadway actors and found that 18.4% of the actors we surveyed were first-timers.

This means that \(p = 0.184, n = 38\)

What are the mean and standard deviation for the sampling distribution of p^?

Mean:

\(\mu = p = 0.184\)

Standard deviation:

\(s = \sqrt{\frac{p(1-p)}{n}} = \sqrt{\frac{0.184*0.816}{38}} = 0.063\)

Suppose you take a random sample of 30 smokers and find that the proportion of them who are current smokers is 16.7%.

This means that \(n = 30, p = 0.167\)

What is the mean and the standard deviation of the sampling distribution of p^ ?

Mean:

\(\mu = p = 0.167\)

Standard deviation:

\(s = \sqrt{\frac{p(1-p)}{n}} = \sqrt{\frac{0.167*0.833}{30}} = 0.068\)

Use the figure for exercises 1-4

Name the intersection of plane S and line j

Use the figure for exercises 1-4Name the intersection of plane S and line j

Answers

Right angle i think



90 degree angle is right angle so jus Measure it

Faith wants to use the formula C(f) = 59(f - 32) to convert degrees Fahrenheit, f, to degrees Celsius, C(f). If Faith calculated C (68), what would her result be?

Answers

Answer:

I don't understand what the problem is saying... 2124...95...

Step-by-step explanation:

A man starts walking from home and walks 3 miles at north of west, then 5 miles at west of south, then 4 miles at north of east. If he walked straight home, how far would he have to the walk, and in what direction

Answers

Answer:

Step-by-step explanation:

We shall find the solution of this problem with the help of vector notation of i , j , which show east and  north direction .

The first displacement can be represented by the following

D₁ = - 3 cos 45 i + 3 sin45 j = - 3 / √2 i + 3 / √2 j

The second  displacement can be represented by the following

D₂ = - 5 cos 45 i - 5 sin45 j = - 5 /√2 i - 5 /√2 j

The third  displacement can be represented by the following

D₃ =  4 cos 45 i + 4 sin45 j =  4 /√2 i + 4 /√2 j

Total displacement D =

D₁ +D₂ + D₃

= i ( -3 -5 + 4 ) / √2 + j ( 3 - 5 + 4 ) / √2 j

= - 4  / √2 i + 2 / √2 j

D = - 2.8288 i + 1.414 j

Magnitude of D

= √ ( 2.8288² + 1.414² )

= 3.16 miles

For direction we calculate angle with X axis

Tanθ = 1.414 / 2.8288

θ = 26 °

As x is negative and Y is positive ,

the direction will be north of west .

Keith wants to give 1/2 an apple to each of his 6 friends. How many apples does he need?

Answers

Answer:

12 apples is the answer because 1/2 divided by 6 is 12

Step-by-step explanation:

What two integers does \sqrt21 fall between?

Answers

if /sqrt equals this \(\sqrt{21}\) then the answer lies between 4-5

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