Find the value of a so that the differential equation y ' − xy − 6x = 0 has a solution of the form y(x) = a + bex2/2 for any constant
b.

Answers

Answer 1

Answer:

a = -6

Step-by-step explanation:

Find The Value Of A So That The Differential Equation Y ' Xy 6x = 0 Has A Solution Of The Form Y(x) =

Related Questions

Which is another way to check the sum of 104 + 34 + 228 + 877? A. 877 – 104 + 34 + 228 B. 34 – 104 + 228 + 877 C. 877 + 228 + 34 + 104 D. 877 – 228 – 34 – 104

Answers

Your Answer is C. 877+228+34+104

by adding the numbers in a different order would be a way to check so the answer is:

C. 877 + 228 + 34 + 104

How do you take the limit of this

Answers

The answer is positive infinity or simply infinity. Have a look at the attached image to see the steps needed to get this answer.

The limit of the function lim x → ∞(x⁴ - 9x² + x)/(x³ - x + 6) is DNE

To take the limit of the function lim x → ∞(x⁴ - 9x² + x)/(x³ - x + 6), we proceed as follows

Since we have the function  lim x → ∞(x⁴ - 9x² + x)/(x³ - x + 6) and we want to take the limit, we proceed thus,.

First, we divide both the numerator and denominator by x⁴. So,

lim x → ∞(x⁴ - 9x² + x)/(x³ - x + 6) = lim x → ∞(x⁴ - 9x² + x)/x⁴ ÷ (x³ - x + 6)/x⁴

= lim x → ∞(x⁴/x⁴ - 9x²/x⁴ + x/x⁴ ÷ (x³/x⁴ - x/x⁴ + 6/x⁴)

= lim x → ∞(1 - 9/x² + 1/x³ ÷ (1/x - 1/x³ + 6/x⁴)

Now, taking the limit as x tends to infinity, we have that

= lim x → ∞1 - lim x → ∞9/x² + lim x → ∞1/x³ ÷ lim x → ∞1/x - lim x → ∞1/x³ + lim x → ∞6/x⁴

= (0 - 9/∞² + 1/∞³)/(1/∞ - 1/∞³ + 6/∞⁴)

= (0 - 9/∞ + 1/∞)/(1/∞ - 1/∞ + 6/∞)

= (∞ - 0 + 0)/(0 - 0 + 0)

= (∞)/(0)

= DNE

Suppose the graph of a line has a negative slope and a positive y-intercept. Through which quadrants does the line pass?

Answers

A negative slope means the line tilts down to the right and up to the left.
Since it has a positive y-intercept, it must go up to the left of the y-axis.
That means it must be in quadrant 2. Then as it crosses the y-axis, it must go into quadrant 1. Given enough length, it will have to go into quadrant 4 also.
The answer is: Quadrants 1, 2, 4

How many 1/4 cup portions can be served from 12 quarts of potato salad?

Answers

48×4=192 quarter servings

Which expression is equivalent to 6 – (–8)?
–6 + 8
–6 + –8
6 + –8
6 + 8

Answers

I think that the answer would be 6+-8 because it equals -2 and 6-(-8)= -2

Answer:

A

Step-by-step explanation:

what values make the inequality x+6/6-x<0 true?

Answers

The answer would be 3 !

It's C if you're taking the test

what is the circumference of a circle p PB=29m

Answers

What you mean by "p PB" is almost totally unclear.

If the diameter of the circle is 29 m, then the circumference is 29 pi m.
If the radius                         is 29 m, then the circumf. is 2(29 m) pi, or 58 pi m.

Answer:

The circumference of the given circle = 182.12 meters

Step-by-step explanation:

The circle P is given to us in which length of PB = 29 meter

Now, Since P is the center of the circle so PB will be the radius of the circle

So, Radius of the circle = 29 meter

We need to find the circumference of this circle with radius 29 meter

So, Circumference of the circle = 2π × radius of the circle

⇒ Circumference of the circle = 2 × 3.14 × 29

                                                  = 182.12 meter

Hence, The circumference of the given circle = 182.12 meters

A summer camp has divided its campers into 8 groups of 9 campers.How many campers are at the summer camp?

Answers

8 groups times 9 campers equals 72 total campers. (8 x 9 = 72)
72 because 8×9=72 and if you flip that around it is 72÷8=9.

Fill in each blank with the correct word to complete the sentence. The rules of the order of operations tells you to multiply and divide in order from _________ to ______

Answers

left to right because in order of operations PEMDAS, The multiplication and division it's which one is first (which is which one is on the left)

The rules of the order of operations tells you to multiply and divide in order from left to right.

What is multiplication?

Multiplication is an operation that represents the basic idea of repeated addition of the same number. The numbers that are multiplied are called the factors and the result that is obtained after the multiplication of two or more numbers is known as the product of those numbers.

The order of operations can be remembered by the acronym PEMDAS, which stands for: parentheses, exponents, multiplication and division from left to right, and addition and subtraction from left to right. There are no parentheses in this problem, so start with exponents. Then, multiply and divide from left to right.

Hence, the rules of the order of operations tells you to multiply and divide in order from left to right.

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A submarine hovers at 240 meters below sea level.if it descends 160 meters and then ascends 390 meters,what is the new position

Answers

I'm not sure if this is right but -240 - 160 = -400 and then that added by 390 is -10 so new position is 10 meters below sea level

I need to know the three points of inflection

Answers

Answers are: c, d, e

--------------------------------
--------------------------------

Explanation:

The inflection point is one where the graph changes from concave up to concave down, or vice versa. When x = c, the graph goes from concave down to concave up. For x = d, we go the opposite way from concave up to concave down. The value x = e is similar to x = c.

Write the equation of the line containing the point (3, –2) and having a slope of 2 in slope-intercept form.

Answers

Y=2X-8
Y=MX+B form.
You should think of the slope as M and the B as your beginning number which happens to be (0,-8)

The equation of a line containing the point (3, –2) and having a slope of 2, is y = 2x-8

What is an equation of a line?

The general equation of a line in two variables of the first degree is represented as Ax + By +C = 0, A, B ≠ 0 where A, B and C are constants which belong to real numbers. When we represent the equation geometrically, we always get a straight line.

Given that a line containing the point (3, –2) and having a slope of 2, we need to find the equation of the line,

So, the general equation of a line is y = mx+c

Where, m is the slope and c is the y-intercept.

Therefore,

y = 2x+c

Now, put x = 3 and y = -2 in the equation to find the value of c,

-2 = 3(2)+c

-2 = 6+c

c = -8

Put the value of c in the equation,

y = 2x-8

Hence, the equation of a line containing the point (3, –2) and having a slope of 2, is y = 2x-8

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Assign point_dist with the distance between point (x1, y1) and point (x2, y2). the calculation is: distance = squarerootof( (x2 - x1)2 + (y2 - y1)2 ). sample output for the given program:

Answers

import math def calculateDistance(x1,y1,x2,y2): dist = math.sqrt((x2 - x1)**2 + (y2 - y1)**2) return dist distance = calculateDistance(2,4,6,8) print distance

The program is an illustration of functions

Functions are collections of defined program statements, that are executed when evoked

The program in Python, where comments are used to explain each line is as follows:

#This imports the math module

import math

#This defines the function

def calculateDistance(x1,y1,x2,y2):

      #This calculates the distance between the points

      dist = math.sqrt((x2 - x1)**2 + (y2 - y1)**2)

      #This returns the calculated distance

      return dist distance

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Which expression represents the distance between 4.7 and −11.2 on the number line? Drag and drop the correct expression into the box.

Answers

Answer:

15.9

Step-by-step explanation:

[tex]\text{The formula of a distance between two points on a number line:}\\\\d=|a-b|\\\\\text{for}\ a\geq b:\ d=a-b\\=========================\\\\\text{We have}\ 4.7\ \text{and}\ -11.2.\ \text{Substitute:}\\\\d=4.7-(-11.2)=4.7+11.2=15.9[/tex]

Final answer:

The distance between 4.7 and -11.2 on the number line is 15.9.

Explanation:

The distance between two points on a number line can be found by taking the positive difference between their coordinates. In this case, the distance between 4.7 and -11.2 is found by subtracting the smaller number from the larger number and taking the absolute value.

Distance = |-11.2 - 4.7| = |-15.9| = 15.9

Therefore, the correct expression is Distance = 15.9.

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Which equation represents a line that passes through (–9, –3) and has a slope of –6?

Answers

Answer:

The required equation of line is y=-6x-57.

Step-by-step explanation:

The point slope form of a line is

[tex]y-y_1=m(x-x_1)[/tex]

Where m is slope of the line.

It is given that a line that passes through (–9, –3) and has a slope of –6.

Substitute m=-6, x₁=-9 and y₁=-3 in the above equation.

[tex]y-(-3)=-6(x-(-9))[/tex]

[tex]y+3=-6x-54[/tex]

Subtract 3 from both the sides.

[tex]y=-6x-54-3[/tex]

[tex]y=-6x-57[/tex]

Therefore the required equation of line is y=-6x-57.

Answer:

D).y+3=-6(x+9)

Step-by-step explanation:

took it on edge

The value of the 8 in 8.4 is 100 times greater than the 8 in?

Answers

Final answer:

The 8 in the number 8.4 has a value that is 100 times greater than the 8 in the number 0.084. The first 8 represents 8 ones, while the second represents 8 hundredths.

Explanation:

The value of the 8 in 8.4 is 100 times greater than the 8 in 0.084. To understand why, let's remember that each position in a decimal number has a place value that is 10 times less than the place value to its left. For instance, in the number 8.4, the 8 is in the ones place, meaning its value is 8 ones or '8'. However, in the number 0.084, the 8 is in the hundredths place, so its value is 8 hundredths or '0.08'.

Therefore, when comparing the two eights, we see that:

The 8 in 8.4 equals 8 ones (8 × 1 = 8).

The 8 in 0.084 equals 8 hundredths (8 × 0.01 = 0.08).

To find a number whose 8 is worth 100 times less than the 8 in 8.4, we need the 8 to be two places to the right of the decimal point, which is the hundredths place. The number 0.084 satisfies this because 8 ones (the value of the 8 in 8.4) are 100 times greater than 8 hundredths (the value of the 8 in 0.084).

William Right broke his leg in an accidental fall. He has a deductible of $150 and a coinsurance payment equal to 20% percent of the cost less the deductible. The entire bill for medical services was $750.00.

How much did William pay? $

How much did the insurance company pay? $

Answers

We know that William paid his deductible that amount is the $150. 

Then William paid 20 percent of everything else. That's 20 percent of (750 minus 150), it is equal to 150.

Then the insurance company paid 80 percent of (750 minus 250), it is equal to 480.

Answer:

its is he payed 270 and insurance payed 480

Step-by-step explanation:

just simply add up the numbers to 750 and the only ones that go together are 270 + 480 = 750 hope it helps :)

A web server hosting company advertises 99.999 percent guaranteed network uptime. (a) how many independent network servers would be needed if each has 98 percent reliability? (round your answer up to the nearest whole number.) network servers (b) how many independent network servers would be needed if each has 89 percent reliability? (round your answer up to the nearest whole number.) network servers

Answers

a. The 50 independent network servers would be needed if each has 98% reliability.

b. Approximately 9 independent network servers would be needed if each has 89% reliability.

To calculate the number of independent network servers needed for a given level of reliability, we can use the following formula:

[tex][ \text{Number of servers} = \frac{1}{1 - \text{Reliability}} ][/tex]

a) For servers with 98% reliability:

[tex][ \text{Number of servers} = \frac{1}{1 - 0.98} = \frac{1}{0.02} = 50 ][/tex]

Therefore, 50 independent network servers would be needed if each has 98% reliability.

b) For servers with 89% reliability:

[tex][ \text{Number of servers} = \frac{1}{1 - 0.89} = \frac{1}{0.11} \approx 9 ][/tex]

Therefore, approximately 9 independent network servers would be needed if each has 89% reliability.

If i is raised to an even power, then it can not simplify to be

a. -1
b. 1
c. i

Answers

A. -1 because if i was raised to a even power than 1 could not be the even power it would have to be less than 1
A because c is not a number and b because of what the first person said

If a = (8.4∠39°) and b = (5.2∠50.4°), find the product a·b and the quotient a/b

Answers

a*b would be (8.4)(5.2) < (39+50.4), or  43.68 < 89.4 degrees.

In the case of the quotient:  Divide 8.4 by 5.2 and then subtract 39 from 50.4 (degrees).

what percentage is 699 of 4736

Answers

14.759%

(699/4736)*100


If I spoke with 800 customers in 40 hours how many customers did I speak to every 30 minutes

Answers

Answer:

10 customers were spoken to in every 30 minutes

Step-by-step explanation:

First, we convert 40 hours into minutes by multiplying it with 60 [as 1 hour = 60 minutes]

So, 40 hours =  40*60 minutes

                      = 2400 minutes

In 2400 minutes, number of customers served = 800

In 1 minute, number of customers served = [tex]\frac{800}{2400}[/tex]

In 30 minutes, number of customers served = [tex]\frac{800}{2400}*30[/tex]

                                                                         = [tex]\frac{800}{2400} * \frac{30}{1}[/tex]

                                                                         = [tex]\frac{800*30}{2400*1}[/tex]

                                                                         = [tex]\frac{24000}{2400}[/tex]

                                                                         = 10

So,

10 customers were spoken to in every 30 minutes

Final answer:

You spoke with 10 customers every 30 minutes.

Explanation:

To find out how many customers you spoke to every 30 minutes, we can set up a proportion. We know that you spoke with 800 customers in 40 hours, which is equivalent to 2400 minutes. So, the proportion is:

800 customers / 2400 minutes = x customers / 30 minutes

Now, we can cross-multiply and solve for x:

800 * 30 = 2400 * x

x = 800 * 30 / 2400

x = 10

Therefore, you spoke with 10 customers every 30 minutes.

what is the unit rate of 1/5 and 1/4

Answers

You don't say what you are measuring.
Generally, questions like this do include that info.

Example:  What is the unit rate of (1/5) white per (1/4 yellow)?

To determine this, divide (1/5) white)     by     (1/4 yellow)

1 white
 -----------
       5
------------------ = 0.20/0.25 white per yellow, or 0.8 white per yellow.
1 yellow
-----------
       4 

The graph below represents the price of sending video messages using the services of a phone company. What is the constant of proportionality?

Answers

I'm guessing you mean slope. So the slope is 24/1 or just 24 cents per video message
The constant of proportionality refers to the constant value of the ratio of two proportional quantity A and B which is usually written in the form of B = KA, where K is the factor of proportionality and is constant. 
In the question given above, the constant of proportionality is 24. To determine the constant of proportionality, look at the graph and take note of each price and the number of video it can send. 
From the graph, it can be seen that, 48 cents will send 2 video messages, 96 cents will send 4 messages, 144 cents will send 6 messages and 192 cents will send 8 messages.
48/2 = 24
96/4 = 24
144/6 = 24
192/8 = 24.

What is the value of x in the solution to the following system of equations?

x − 2y = 2
3x + y = 6

Answers

The system of equations is
x - 2y = 2          (1)
3x + y = 6         (2)

From (1), obtain
x = 2y + 2        (3)

Substitute (3) into (2).
3(2y + 2) + y = 6
6y + 6 + y = 6
7y = 0
y = 0
From (3), obtain
x = 2*0 + 2 = 2

Answer:  (2, 0)  or x=2, y=0

To find the value of x in a system of equations, you can use the substitution or elimination method. In this case, x = 2 is the solution.

To find the value of x in the system of equations x − 2y = 2 and 3x + y = 6, we can use the method of substitution or elimination.

Substitution method:

From the second equation, y = 6 - 3x.Substitute y = 6 - 3x into the first equation: x - 2(6 - 3x) = 2.Solve for x: x - 12 + 6x = 2, 7x = 14, x = 2.

Therefore, the value of x in the solution to the system of equations is x = 2.

12<3b or 2b+14<4 please help

Answers

For 12 < 3b lets solve it:

12/3 < b
b > 4

For 2b + 14 < 4 lets solve it:

2b < 4 - 14
2b < -10
b < -10/2
b < -5

What is the probability of rolling a sum of 8 on a standard pair of six-sided dice? express your answer as a fraction or a decimal number rounded to three decimal places, if necessary?

Answers

First lets see how many combinations there are that make 8 from the numbers 1-6:

2+6
3+5
4+4
5+3
and 6+2. 

Note: the order does matter, because you roll two die. This means the first die has a number and the second die also has a number. 2 on 1st dice and 6 on 2nd dice would be a different combination than 2 on 2nd dice and 6 on 1st dice.

Now we calculate the probability of getting a number 2 through 6 on the first dice: which is 5/6.

Then calculate the probability of getting a number that pairs up with the first number to make 8: *Note: once you get a number 2 through 6, there is only one other number that you can roll to make 8. This means the probability of getting a match would be 1/6 on the 2nd dice.

Finally, multiply the two fractions we got earlier: 5/6 x 1/6 = 5/36

Your probability would be 5/36 in fraction form, 13.89% in percent form, or 0.139 in decimal form rounded 3 places.

Hope this helps, and May the Force Be With You!

-Jabba the Hut
Final answer:

The probability of rolling a sum of 8 on a pair of standard six-sided dice is 5 out of 36, or 0.139 rounded to three decimal places.

Explanation:

The subject of your question is

probability

, a topic in Mathematics. To solve this, we want to know the total number of outcomes when two dice are rolled; which is 6*6 = 36. Then we determine how many of these outcomes result in a sum of 8. Upon careful examination, we find that there are 5 (2,6), (3,5), (4,4), (5,3), and (6,2). Therefore, the

probability of rolling a sum of 8

on a standard pair of six-sided dice is 5 out of 36, which can be expressed as

5/36 or 0.139

rounded to three decimal places.

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PLEASE HELP!!!!! I DONT UNDERSTAND!!!! :(

A city's population is represented by the function P=25,000(1.0095)t , where t is time in years.
How could the function be rewritten to identify the daily growth rate of the population?
What is the approximate daily growth rate?

Answers

there are 365 days in a year, well,unless is a leap-year, but we're assuming 365 days per year, now, "t" is how many years it takes for population to grow to "P" much, however, 1 day in year terms is really just 1/365 year or about 0.003 years, and 2 days is just 2/365 year, and  3 days is 3/365 year and so on, thus,

[tex]\bf \stackrel{\textit{in years}}{P=25,000(1.0095)^t}\qquad \qquad \qquad \stackrel{\textit{in days}}{P=25,000(1.0095)^{\frac{t}{365}}}[/tex]

Lane's arm span is 61 inches. If his height is 1⁄4 foot longer than his arm span, how tall is he?

Answers

1 foot = 12 inches

1/4 foot = 12/4 = 3 inches

61 +3 = 64 inches tall ( 5 ft 4 inches)

the poster you are giving your friend is in a cardboard tube with a 2 in diameter and 26 in length. will a rectangular piece of wrapping paper that is 8 in by 28in completely cover the tube

Answers

I am pretty positive that it would, the circumference of the tube comes out to roughly 6.28 inches, so thee 8 inch wrapping paper should cover it nicely. Now the sheet of paper is only 2 inches longer than the tube, so the paper will only extend one inch above the tubes edge on either end. the tube has a diameter of 2 inches, so the 1 inch extension all around the tube should fold in and match up quite nicely. 
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