The solution of the given differential equation that satisfies the initial condition y(0) = 0 is 0 = (5/2)(0)² - (1/4)(ln(0))^2 - (5/3)(0)³ + C.
To find the solution of the given differential equation that satisfies the initial condition y(0) = 0, we will follow these steps,
1. Identify the differential equation: dy/dx = 5x - (ln(x)/2) - 5x²
2. Integrate both sides of the equation with respect to x.
Integral of dy = Integral of (5x - (ln(x)/2) - 5x²) dx
Since y(0) = 0, we have:
y(x) = Integral of (5x - (ln(x)/2) - 5x²) dx
3. Perform the integration:
y(x) = (5/2)x² - (1/4)(ln(x))^2 - (5/3)x³ + C
4. Determine the value of the constant C using the initial condition y(0) = 0:
0 = (5/2)(0)² - (1/4)(ln(0))^2 - (5/3)(0)³ + C
Since ln(0) is undefined, we cannot solve for C using the initial condition y(0) = 0. However, the given initial condition is not consistent with the differential equation, so there may be an error in the problem statement.
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Find the slope of the line that passes through A(–2, –1), B(–1, 1)
A)1/2
B)-1/2
C)-2/1
D)2/1
tessa invests $9600 in a new savings account which earns 4.6 nnual interest, compounded monthly. what will be the value of her investment after 44 years? round to the nearest cent
The value of Tessa's investment after 44 years would be $96,814.13, rounded to the nearest cent.
To calculate the value of Tessa's investment after 44 years, we need to use the formula for compound interest: A = P(1 + r/n)^(nt)
where A is the final amount, P is the principal amount, r is the annual interest rate, n is the number of times the interest is compounded per year, and t is the time period in years.
Plugging in the values we have:
P = $9600
r = 0.046 (4.6% annual interest rate)
n = 12 (compounded monthly)
t = 44 years
A = $9600(1 + 0.046/12)^(12*44) = $96,814.13
Therefore, the value of Tessa's investment after 44 years would be $96,814.13, rounded to the nearest cent.
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select the correct answer from each drop-down menu. consider circle c with diameter de. diameter shows a circle centered at c. points d and e lies on the circumference of the circle. point e is labeled (13, 11) and point d is labeled (minus 3, 3). the equation of circle c is ( )2 ( )2
The equation of the circle , with diameter DEis (x - 5)² + (y - 7)² = 80
An equation is an expression that appears as the relationship between two or more variables and numbers. since the standard equation for a circle is (x - h)² + (y - k)² = r², where (h, k) is the center of the circle and r is the radius. It is given that the diameter of the circle is at D(-3, 3) and E(13, 11). So the coordinate of the center is:
h = (13 + (-3))/2 = 5
k = (3 + 11)/2 = 7
(h, k) = (5, 7) and the Radius is diameter / 2 = 8√5 ÷ 2 = 4√5.
the equation will be : (x - 5)² + (y - 7)² = (4√5)² => (x - 5)² + (y - 7)² = 80
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Answer:
(x - 5)² + (y - 7)² = 80
Step-by-step explanation:
find the sum of 2 1/5+14 (16 points)
Answer: 16.2
Step-by-step explanation:
Answer:
16 1/5
Step-by-step explanation:
write the mixed number as a sum of the whole number and the fractional part
2 + 1/5 + 14
add the numbers
16 + 1/5
write the sum of the whole number and the fraction as a mixed number
16 1/5
or 81/5 or 16.2
A: What is the solution to b² = 196?
Answer:
b=14
Step-by-step explanation:
b^2=196
Square root both sides
b=14
Hopes this helps please mark brainliest
Answer:
14
Step-by-step explanation:
You're just looking for the square root of 196, and \(\sqrt{196} = 14\)
What year was math invented?
Answer:
Around 3000 BC
Answer:
It is difficult to pinpoint a specific year or time period in which math was "invented," as math is a fundamental aspect of human thought and has likely been present in some form since ancient times.
The study of mathematics has a long and rich history, dating back to ancient civilizations in Mesopotamia, Egypt, Greece, and India. These early societies developed mathematical concepts and techniques to aid in practical tasks such as measuring land, calculating the volume of objects, and tracking the movement of celestial bodies.
As human civilizations developed and advanced, so too did the study of mathematics. Over time, new mathematical concepts and techniques were developed and refined, leading to the development of more advanced branches of mathematics such as algebra, geometry, trigonometry, and calculus.
In summary, math has a long and complex history, and it is difficult to pinpoint a specific year or time period in which it was "invented." It has likely been present in some form since ancient times and has evolved and developed over the course of human history.
Step-by-step explanation:
SELF EXPLANATORY
Test the exactness of ODE, if not, use an integrating factor to make exact and then find general solution: (2xy-2y^2 e^3x)dx + (x^2 - 2 ye^2x)dy = 0.
It is requred to test the exactness of the given ODE and then find its general solution. Then, if the given ODE is not exact, an integrating factor must be used to make it exact.
This given ODE is:(2xy - 2y²e^(3x))dx + (x² - 2ye^(2x))dy = 0.To verify the exactness of the given ODE, we determine whether or not ∂Q/∂x = ∂P/∂y, where P and Q are the coefficients of dx and dy respectively, as follows: P = 2xy - 2y²e^(3x) and Q = x² - 2ye^(2x).Then, we have ∂P/∂y = 2x - 4ye^(3x) and ∂Q/∂x = 2x - 4ye^(2x).Thus, since ∂Q/∂x = ∂P/∂y, the given ODE is exact.To solve the given ODE, we have to find a function F(x,y) that satisfies the equation Mdx + Ndy = 0, where M and N are the coefficients of dx and dy respectively. This is accomplished by integrating both P and Q with respect to their respective variables. We have:∫Pdx = ∫(2xy - 2y²e^(3x))dx = x²y - y²e^(3x) + g(y), where g(y) is a function of y. We differentiate both sides of this equation with respect to y, set it equal to Q, and then solve for g(y). We have:(d/dy)(x²y - y²e^(3x) + g(y)) = x² - 2ye^(2x)Thus, g'(y) = 0 and g(y) = C, where C is a constant.Substituting the value of g(y) in the equation above, we get:x²y - y²e^(3x) + C = 0, as the general solution.The given ODE is exact, so we can solve it by finding a function that satisfies the equation Mdx + Ndy = 0. After integrating both P and Q with respect to their respective variables, we find that the general solution of the given ODE is x²y - y²e^(3x) + C = 0.
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PQ= RQ and PS= RS a=?
The measure of angle a is 15 degrees and this can be determined by using the properties of the isosceles triangle.
What are interior angles?In geometry, interior angles are formed in two ways. One is inside a polygon, and the other is when parallel lines cut by a transversal. Angles are categorized into different types based on their measurements.
Given:
The length of the segment PQ is equal to the length of the segment RQ.The length of the segment PS is equal to the length of the segment RS.The following steps can be used in order to determine the measure of angle a:
Step 1 - According to the given data, it can be concluded that triangle PQR and triangle PSR are isosceles triangles.
Step 2 - Apply the sum of interior angle property on triangle PQR.
\(\angle\text{Q}+\angle\text{P}+\angle\text{R}=180\)
\(\angle\text{Q}+2\angle\text{R}=180\)
\(2\angle\text{R}=180-60\)
\(\angle\text{R}=60^\circ\)
Step 3 - Now, apply the sum of interior angle property on triangle PSR.
\(\angle\text{P}+\angle\text{S}+\angle\text{R}=180\)
\(\angle\text{S}+2\angle\text{R}=180\)
\(2\angle\text{R}=180-90\)
\(\angle\text{R}=45^\circ\)
Step 4 - Now, the measure of angle a is calculated as:
\(\angle\text{a}=60-45\)
\(\angle\text{a}=15\)
The measure of angle a is 15 degrees.
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How many litres can be held by a cylindrical can 14cm in diameter and 20cm hight?
Answer:
about 3.08 L
Step-by-step explanation:
You want the number of litres in the volume of a cylindrical can 14 cm in diameter and 20 cm high.
LitersA litre is a cubic decimeter, 1000 cubic centimeters. As such, it is convenient to perform the volume calculation using the dimensions in decimeters:
14 cm = 1.4 dm . . . . . . diameter20 cm = 2.0 dm . . . . . heightVolumeThe volume of the cylinder is given by the formula ...
V = (π/4)d²h . . . . . . . where d is the diameter and h is the height
V = (π/4)(1.4 dm)²(2.0 dm) ≈ 3.079 dm³ ≈ 3.08 L
The cylindrical can will hold about 3.08 litres.
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Which of the following are remote interior angles of Z1? Check all that apply.
6/
O A. 21
B. 2.
O C. 24
OD. 25
E 23
F. 26
Answer: The correct answer is A,D, and F
Step-by-step explanation:
The remote interior angles of ∠1 are ∠3 and ∠2
What are remote angles?The remote interior angles of a triangles are the two angles that are not adjacent to the exterior angle. The remote interior angles do not share the vertex of the exterior angle.
The angles inside the triangle that are opposite the exterior angle are referred to as remote interior angles. Remote interior angles, then, are those that do not share a triangle's vertex or corner with the outer angle.
Given data ,
Let the triangle be represented as ΔABC
Now , the measures of angles of ABC are
The measure of ∠A = ∠3
The measure of ∠B = ∠2
The measure of ∠C = ∠4
And , the exterior angle of the triangle is ∠1
So , angles inside the triangle that are opposite the exterior angle are referred to as remote interior angles.
The remote angles are ∠3 and ∠2
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Lulu has 10 feet of ribbon. She uses 1 feet of ribbon for a project. She uses the
rest of the ribbon to make bows. She uses 8 inches of ribbon for each bow.
How many bows does Lulu make? Show your work.
10-1 = 9 feet left
9 x 12 = 108 inches
108 / 8 inches per bow = 13.5 bows
she can make 13 bows
Veronique and Lily compare their investment accounts to see how much they will have in the accounts after seven years. They substitute their values shown below into the compound interest formula. Compound Interest Accounts Name Principal Interest Rate Number of Years Compounded Veronique $1,000 5% 7 Once a year Lily $1,800 9% 7 Once a year A = P (1 + r) Superscript t Which pair of equations would correctly calculate their compound interests? Veronique: A = 1,000 (1 + 0.05) superscript 7, Lily: A = 1,800 (1 + 0.09) Superscript 7 Veronique: A = 1,000 (1 + 0.07) Superscript 5, Lily: A = 1,800 (1 + 0.07) Superscript 9 Veronique: A = 1,800 (1 + 0.05) Superscript 7, Lily: A = 1,000 (1 + 0.09) Superscript 7 Veronique: A = 1,000 (1 + 0.07) Superscript 5, Lily: A = 1,800 (1 + 0.07) Superscript 9
Answer:
Veronique: A = 1,000 (1 + 0.05) superscript 7, Lily: A = 1,800 (1 + 0.09) Superscript 7
Step-by-step explanation:
the equation used to calculate future value of an investment (or bank deposit) using compound interest is:
future value = present value x (1 + interest rate)ⁿ
Veronique: future value = $1,000 x (1 + 5%)⁷ = $1,057Lily: future value = $1,800 x (1 + 9%)⁷ = $3,290.47Answer:
the answer would be A
Step-by-step explanation:
what the person above said.
x + 3y = 1 ; 7x + 8y = 11 solve by substitution.
Step-by-step explanation:
x + 3y = 1
x = 1 - 3y-(i)
7x + 8y = 11
x= 11-8y/7-(ii)
substituting eqn (i) in eqn (ii)
11-8y/7= 1-3y
11-8y=7-21y
13y=-4
y=-4/13
putting the value of y in eqn (i)
x=1-(-12/13)
x=25/13
Algebra 1
Need to be answered as fast as possible
7 fishes οf the new released initially in the given expοnential pοpulatiοn grοwth. (οptiοn c)
What is expοnential pοpulatiοn grοwth?Expοnential pοpulatiοn grοwth means that whatever the pοpulatiοn size is, it keeps increasing because the pοpulatiοn per individual remains the same, accelerating pοpulatiοn grοwth that is limited by limited resοurces. Hence, this increase in pοpulatiοn size is knοwn as expοnential pοpulatiοn grοwth.
The grοwth οf their pοpulatiοn is mοdeled by the expοnential functiοn
P(t)=\(7b^{t}\) ,where t is the time in weeks after the release and b is a pοsitive unknοwn base.
Initially that is t=0
sο fοr t=0,
p(0)=7×1 [since sοmething tο the pοwer zerο is equal tο 1]
Hence, P(0)=7
sο there were 7 fishes initially.
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Tommy is buying a home, its purchase price is $200,000. She has to put
down 5%, with an APR of 6.4%. What will her monthly payment be.
The required monthly payment for 6.4% of interest is $16846.6.
What is interest?Interest is the cost of borrowing money or the fee you charge to lend it. Most frequently, interest is shown as an annual percentage of the loan amount. The interest rate for the loan is denoted by this proportion.
According to question:We have,
Purchasing price = $200,000
Down payment = 5% of $200,000
= $10000
Remaining Amount = $190000
Interest of one year = 6.4%
Amount of interest = 6.4% of $190000
Amount of interest = $12160
Total amount = f $190000 + $12160
Total amount = $202160
Monthly payment = $16846.6
Thus, required monthly payment is $16846.6.
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Two ants are walking from the same point of the tree at the same time. One travelled 13 cm upward and another travelled 17 cm downward. What is the total distance travelled by both the ants? Find it.
Answer:
30 cm
Step-by-step explanation:
This question asks for the total distance travelled by both ants combined. Regardless of the direction they travelled, the ants' distance travelled together(13 + 17) is 30 centimeters total.
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please help
The mean for problem 1 is minutes.
The mean for problem 2 is minutes.
Which of the following is a correct inference based on the mean values.
(Enter Only A, B, or C)
Answer:
I think it would be A
Step-by-step explanation:
because it took the students longer on problem one than it did for problem 2.
HELP ASAP I WILL GIVE 50 POINTS
someone answer this for me please ..
Answer: 9 times as large
Step-by-step explanation:
the original area: 15×15=225
the new area: (15×3)(15×3)=2025
2025/225=9
Hope this helps!! :)
Please let me know if you have any question
Out of all the readers who visit a blog, 11% click on an advertisement. Predict how many readers will click on an advertisement if 500 people visit the blog in one day.
FIND THE VALUES OF X AND Y PLS HELP ASAP
Answer:
x=22, y=45
Step-by-step explanation:
y=45 by definition (180-90)/2
180 = 46 + 2x
x = 22
Shern goes to the BX with $19. She buys a gift for her mom that costs $7.25. She also needs to make sure that she has $2.75 left when she leaves the BX to buy lunch the next day. She sees that bags of Skittles are on sale for $0.50 each. How many bags can she buy to have as many bags as possible. Write and solve an inequality to represent the situation. Show your work. (10 points) Your answer:
Answer: 16
Step-by-step explanation: when ur doing subtacting ur gonna notice a pattern like 11.25 10.75 10.25 9.75 9.25 because if u start with 19 and minus 0.50 the u get ur answers 16 the 11.25 dosnt count because that for the gift after u spend 7.24 on the gift ur gonna have 11.25 and keep couniting down but also keep tract on how many it takes to get to 2.75
the graph below models the cost for installing a fence based on the length of the fence. Use the graph to awnser the following willA) find the slope of the graph B) what are the units of the slopeC) write a linear equation in slope intercept form for the total cost C in dollars of installing a fence if the length of your fence is F feet long
a. To find the slope of the graph take 2 ordered pairs and replace its values in the following equation:
\(m=\frac{y2-y1}{x2-x1}\)For example, choose (0,150) and (5,225):
\(m=\frac{225-150}{5-0}=\frac{75}{5}=15\)The slope of the graph is 15.
b. The units of the slope (since it is a rate of change) are dollars per feet.
c. We already have the slope of the graph and its y intercept which is (0,150). Use this information to find the slope intercept form equation for the situation:
\(C=15F+150\)whole tenderloin = 2.5kg Tenderloin fat, sinew, trimming=1.65
pounds(take out) Calculate total edible tenderloin in pounds
The weight of the fat, sinew, and trimming to be taken out from the whole tenderloin is given to be 1.65 pounds. Therefore, the total edible tenderloin in pounds is 3.86155 pounds.
The total weight of the whole tenderloin is given to be 2.5 kg.The weight of the fat, sinew, and trimming to be taken out from the whole tenderloin is given to be 1.65 pounds.
To calculate the total edible tenderloin in pounds, we need to convert the weight of whole tenderloin from kg to pounds.
1 kilogram (kg) = 2.20462 pounds (lbs)
Therefore,2.5 kg = 2.5 x 2.20462 = 5.51155 lbs We are given that 1.65 pounds of fat, sinew, and trimming need to be taken out from the whole tenderloin.
So, the total edible tenderloin in pounds = 5.51155 - 1.65= 3.86155 pounds
Therefore, the total edible tenderloin in pounds is 3.86155 pounds.
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In an experimental study, random error due to individual differences can be reduced if a(n) _____ is implemented.
In an experimental study, random error due to individual differences can be reduced if a(n) control group is implemented.
One effective way to reduce random error due to individual differences in an experimental study is to include a control group. A control group serves as a baseline comparison group that does not receive the experimental treatment. By having a control group, researchers can isolate and measure the effects of the independent variable more accurately.
The control group provides a point of reference to assess the impact of individual differences on the study's outcome. Since both the experimental group and control group are subject to the same conditions, any observed differences can be attributed to the experimental treatment rather than individual variations.
This helps to minimize the influence of confounding variables and random error associated with individual differences.
By comparing the outcomes of the experimental group and control group, researchers can gain insights into the specific effects of the treatment while controlling for individual differences. This improves the internal validity of the study by reducing the potential bias introduced by individual variability.
In summary, including a control group in an experimental study helps to reduce random error due to individual differences by providing a comparison group that is not exposed to the experimental treatment. This allows researchers to isolate and measure the effects of the independent variable more accurately.
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Geometry
Please help me with my homework! Thank you!
Answer:
DH, CG, BF
Explanation:
Since the question is asking which lines are parallel to AE and AE is a vertical line, you need to look at the other vertical lines that are making up the sides of the box. These vertical lines are 1. DH 2. CG 3.BF.
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the goal is to test to determine if there is a significant difference between mean value added by the manufacturer and the mean cost of materials in manufacturing assuming a 1% level of significance. use excel to perform the f-test for equality of variances at the 1% significance level. which variable will be group 1? what can you conclude from running the f-test?
If the resulting F-statistic is less than the critical value, we fail to reject the null hypothesis and conclude that there is not enough evidence to suggest that the variances are significantly different.
The F-test is a statistical test used to compare the variances of two groups.
In this problem, we will use it to compare the variance of the value added by the manufacturer and the variance of the cost of materials in manufacturing. The F-test is performed by dividing the larger variance by the smaller variance. The resulting F-statistic is then compared to the critical value of an F-distribution with degrees of freedom equal to the sample size minus one for each group.
Before we can perform the F-test, we need to determine which variable will be group 1. Typically, the variable with the smaller mean is designated as group 1. This is because we want to minimize the chance of making a type II error, which is failing to reject the null hypothesis when it is false. If we designated the variable with the larger mean as group 1, we might not detect a significant difference between the groups, even if one exists.
Once we have designated which variable will be group 1, we can perform the F-test. If the resulting F-statistic is greater than the critical value of the F-distribution, we reject the null hypothesis and conclude that the variances are significantly different.
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how to determine if an integral is convergent or divergent
A. To determine if an integral is convergent, we analyze the function's behavior, integrability, apply integration techniques, and examine its limits, ensuring they are finite, leading to a finite result.
B. To determine if an integral is divergent, we look for infinite limits, vertical asymptotes, and erratic behavior within the integration interval, indicating the lack of a finite value for the integral.
A. To determine if an integral is convergent, we need to consider several approaches. First, we check for basic convergence criteria such as infinite limits or vertical asymptotes.
Then, we examine integrability, ensuring the function is continuous or has a finite number of discontinuities. Next, we simplify the integral using integration techniques.
Finally, we analyze the behavior of the function at infinity and apply comparison tests if necessary to establish convergence.
B. To determine if an integral is divergent, we follow a series of steps. First, we check for basic divergence criteria such as infinite limits or vertical asymptotes.
Then, we examine integrability, looking for discontinuities that prevent integration. Next, we simplify the integral using integration techniques. Finally, if the integral does not converge, it is deemed divergent.
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A line with a slope of 5 passes through the points 6, 6) and (6, 1). What is the value of j?
Answer:
Your question cannot be correct
Step-by-step explanation:
A line passing through points (6,6) and (6,1) cannot have a slope of 5.
This line passing through these two points would be a vertical line. The slope of a vertical line is considered UNDEFINED.
-3 ( y + 2 ) + 2y simplify
Answer:
-y+6
Step-by-step explanation:
-3 (y+2) +2y
-3y -6 +2y
-y+6
Answer:
-y-6
Step-by-step explanation: