The wavelength of the baseball is approximately 1.277 x 10^-35 meters.
To calculate the wavelength of the baseball, we can use the de Broglie wavelength equation, which relates the wavelength (λ) to the mass (m) and velocity (v) of an object. The equation is given by:
λ = h / (m * v)
where λ is the wavelength, h is the Planck's constant (h = 6.626 x 10^-34 J·s), m is the mass of the baseball (155 g = 0.155 kg), and v is the velocity of the baseball (32.5 m/s).
Substituting the given values into the equation, we have:
λ = (6.626 x 10^-34 J·s) / (0.155 kg * 32.5 m/s)
To simplify the calculation, we can first convert the mass to kilograms:
λ = (6.626 x 10^-34 J·s) / (0.155 kg * 32.5 m/s)
Now, we can multiply the numerator and denominator by 1000 to convert the mass to kilograms:
λ = (6.626 x 10^-34 J·s) / (0.155 kg * 32.5 m/s)
λ = (6.626 x 10^-34 J·s) / (0.155 kg * 32.5 m/s)
Calculating the numerator and denominator separately, we get:
λ ≈ 1.277 x 10^-35 m
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Show that Φ (Phi/fa1) uppercase Φ, lowercase φ or ϕ) is onto and one-to-one
To show that the function Φ (Phi) is onto and one-to-one, we need to establish two properties:
Onto (Surjective):
For a function to be onto, every element in the range must have a preimage in the domain. In other words, for every y in the range, there must exist an x in the domain such that Φ(x) = y.
One-to-one (Injective):
For a function to be one-to-one, distinct elements in the domain must map to distinct elements in the range. In other words, if Φ(x₁) = Φ(x₂), then x₁ = x₂ Let's proceed to show both properties:
Onto (Surjective):
To show that Φ is onto, we need to demonstrate that for every y in the range of Φ, there exists an x in the domain such that Φ(x) = y.
Assuming that Φ(x) = y, we want to find the preimage x in the domain. However, you didn't provide the specific definition or context of the function Φ. Please provide the definition or specify the nature of the function Φ so that I can continue with the proof.
One-to-one (Injective):
To show that Φ is one-to-one, we need to prove that if Φ(x₁) = Φ(x₂), then x₁ = x₂ for any x₁ and x₂ in the domain.
Again, without the specific definition or context of the function Φ, I cannot proceed with the proof for the one-to-one property. Please provide the necessary information, and I'll be happy to help you further.
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universal pet place.
Find the value of x. Please help I will mark brainliest!!!!
Answer:
x = 2
Step-by-step explanation:
The triangle is reflected across the circle meaning it should be the same on both sides.
Compare the two functions below in two complete sentences.
Help
Answer:
I guess we have the table:
x f(x)
-4 7
-2 5
0 3
2 1
4 - 1
To find the slope of this, we need to select two different points (x1, y1) and (x2, y2) and use the relation:
slope = (y2 - y1)/(x2 - x1)
let´s use the first two:
(-4,7) and (-2, 5)
Slope = (5 - 7)/(-2 - (-4)) = -2/2 = -1
Now, if we want to be sure that this is a linear equation, we should do the same for other two pairs of points, now use the first and the third:
(-4, 7) and (0,3)
S = (3 - 7)/(0 -(-4)) = -4/4 = -1
Now, for the function g(x) we can see a constant line, that is parallel to the x-axis.
This means that the slope of this function is equal to zero.
This means that the slope of g(x) is bigger than the slope of f(x), because 0 > 1 i guess
Helpppp! I’ll mark brainliest
Answer:
1 is comutative 2 is distributive 3 is addition and 4 is multiplication
"
(a) Show that if Y CZ and Z is bounded in (X,d), then Y is bounded and diam Y < diam Z. (b) Assume Y, Z C (x,d) are bounded. Show that diam(Y UZ) < diam Y + diam Z. (c) If Y C(X,d) is bounded
"
If Y is a subset of Z and Z is bounded in (X, d), then Y is bounded and the diameter of Y is less than the diameter of Z, and Assuming Y and Z are subsets of (X, d) and both are bounded, the diameter of the union of Y and Z, denoted as Y U Z, is less than the sum of the diameters of Y and Z. If Y is a subset of (X, d) and Y is bounded, the above statements still hold.
(a) If Y is a subset of Z and Z is bounded in (X, d), then Y is bounded and the diameter of Y is less than the diameter of Z.
To show that Y is bounded, we consider that Z is bounded, which means there exists a positive real number M such that for any two points z1 and z2 in Z, the distance between them, d(z1, z2), is less than or equal to M. Since Y is a subset of Z, every point in Y is also a point in Z. Therefore, the distance between any two points in Y, which is a subset of Z, is also less than or equal to M. Thus, Y is bounded.
Now, let's compare the diameters of Y and Z. The diameter of a set is defined as the supremum (least upper bound) of the distances between all pairs of points in the set. Since Y is a subset of Z, the distances between any two points in Y will also be distances between points in Z. Therefore, the diameter of Y cannot exceed the diameter of Z. In other words, diam Y < diam Z.
(b) Assuming Y and Z are subsets of (X, d) and both are bounded, we can show that the diameter of the union of Y and Z, denoted as Y U Z, is less than the sum of the diameters of Y and Z.
To prove this, let's consider two points p1 and p2 in Y U Z. These points can either both belong to Y or both belong to Z, or one point belongs to Y and the other belongs to Z. In any case, the distance between p1 and p2 will be either within Y or within Z, or it will be the sum of distances within Y and Z. In all scenarios, the distance between p1 and p2 will be less than or equal to the sum of the diameters of Y and Z.
Therefore, diam(Y U Z) < diam Y + diam Z.
(c) If Y is a subset of (X, d) and Y is bounded, the above statements still hold. The arguments presented in parts (a) and (b) remain valid regardless of the specific properties of Y as long as it is a subset of the metric space (X, d) and bounded.
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PLEASE ASAP Suppose a normal distribution has a mean of 26 and a standard deviation of
4. What is the probability that a data value is between 28 and 31? Round your
answer to the nearest tenth of a percent.
A. 21.3%
B. 19.3%
C. 20.3%
D. 22.3%
Answer:
20.3%
Step-by-step explanation:
Hope that helps :)
write an equivilent expression that is equivilent to 4(w+3)-2
Answer:
4w + 10
Step-by-step explanation:
If you have any questions feel free to ask
answer: 4w+10
explanation:: distribute;
= (4)(w)+(4)(3)+−2
= 4w+12+−2
combine like terms;
= 4w+12+−2
= (4w)+(12+−2)
= 4w+10
Define 1 if EC h(x) 0 if a (a) Show h has discontinuities at each point of C and is continuous at every point of the complement of C. Thus, h is not continuous on an uncount- ably infinite set. (b) Now prove that h is integrable on (0,1).
Thus, h is not continuous on an uncountably infinite set.
(a) The function h(x) is defined as: h(x) = 1 if x is an element of the set C h(x) = 0 if x is not an element of the set C. The function h has discontinuities at each point of C and is continuous at every point of the complement of C.
Therefore, by the Lebesgue integrability criterion, h is integrable on (0, 1).
(b) Now we have to prove that h is integrable on (0,1). Let C be a countably infinite set, and let E = (0, 1) \ C be the complement of C in (0, 1). Since h is continuous on E, we know that h is integrable on E. Also, h is bounded on (0, 1), since it takes values in the closed interval [0, 1]. Therefore, by the Lebesgue integrability criterion, h is integrable on (0, 1)..The function h(x) is defined as: h(x) = 1 if x is an element of the set C h(x) = 0 if x is not an element of the set C. The function h has discontinuities at each point of C and is continuous at every point of the complement of C. Thus, h is not continuous on an uncountably infinite set.Since h is continuous on E, we know that h is integrable on E. Also, h is bounded on (0, 1), since it takes values in the closed interval [0, 1].
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Question 4 of 15
When asked to find the sum of two mixed numbers with different
denominators, you should before you add.
A. round each fraction
B. find the difference
C. find a common denominator
When asked to find the sum of two mixed numbers with different denominators, you should find a (C) common denominator before you add.
To add fractions with different denominators, it is necessary to find a common denominator for both fractions. Once the fractions have the same denominator, you can add or subtract the numerators while keeping the denominator unchanged. This allows for a meaningful addition of the fractions.
To find a common denominator, you need to determine the least common multiple (LCM) of the denominators. The LCM is the smallest multiple that both denominators can divide evenly into. Once you have the common denominator, you can convert each fraction to an equivalent fraction with that denominator and then perform the addition.
After finding the common denominator, you add the numerators of the fractions and keep the common denominator. This will give you the sum of the two mixed numbers with different denominators. The correct answer is C. find a common denominator.
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1. Prove that at any party of 31 people, there’s always a person who knows an even number of others. (Assume that acquaintance is mutual: if Alice knows Zelda, then Zelda knows Alice.)
To prove that at any party of 31 people, there's always a person who knows an even number of others, we can use the pigeonhole principle.
The pigeonhole principle states that if we distribute more than "n" objects into "n" boxes, then at least one box must contain more than one object. In this case, the "objects" represent the people at the party, and the "boxes" represent the number of people each person knows.
Let's assume, for the sake of contradiction, that every person at the party knows an odd number of others. This means that each person has an odd number of acquaintances.
Now, let's consider the sum of the number of acquaintances for all 31 people. Since each person knows an odd number of others, the sum of odd numbers is also an odd number.
However, if we count the total number of acquaintances in a group, it must be even since each acquaintance involves two people. This creates a contradiction because we cannot have both an odd and an even sum for the total number of acquaintances.
Therefore, our assumption that every person knows an odd number of others must be false. Hence, there must be at least one person at the party who knows an even number of others.
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PLEASE HELP! WILL GIVE BRAINLIEST!!!!
Answer:
I can't read it
Step-by-step explanation:
How many possible sandwiches can be made from 3 types of bread, 5 types of cheese, and 6 types of filling, assuming each sandwich is made with 1 type of bread, 1 type of cheese, and 1 filling type?
Total combinations = each item x each item:
3 breads x 5 cheese x 6 filling = 90 different combinations
Consider the differential equation governing the motion of a block attached to a damped spring given by x¨+x˙+x=0 for a>0 and b>0. Is the equilibrium y globally asymptotically stable?
a) yes
b) no
Given the differential equation governing the motion of a block attached to a damped spring: x¨+x˙+x=0; a > 0, b > 0.To check if the equilibrium y is globally asymptotically stable or not, we will analyze the differential equation in detail. In the differential equation, x is the displacement of the block from the equilibrium position. When the block is at the equilibrium position, the displacement is zero. The equilibrium solution is x = 0.x¨ + x˙ + x = 0 represents a linear homogeneous differential equation of the second order with constant coefficients. The characteristic equation is r² + r + 1 = 0.
Let's solve the above characteristic equation: r² + r + 1 = 0r = (-b ± sqrt(b² - 4ac))/2a= (-1 ± sqrt(-3))/2As a > 0 and b > 0, r has negative real part. This means the solution of the differential equation is exponentially stable, which means that the system is asymptotically stable. Thus, the equilibrium y is globally asymptotically stable. Hence, the correct option is: a) yes.
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Evaluate the expression: 2y-9 when y = 3
Answer:
-3
Step-by-step explanation:
2·3-9
6-9 = -3
Find the coordinates of the endpoint of the image?
Given:
The graph of a line segment.
The line segment AB translated by the following rule:
[tex](x,y)\to (x+4,y-3)[/tex]
To find:
The coordinates of the end points of the line segment A'B'.
Solution:
From the given figure, it is clear that the end points of the line segment AB are A(-2,-3) and B(4,-1).
We have,
[tex](x,y)\to (x+4,y-3)[/tex]
Using this rule, we get
[tex]A(-2,-3)\to A'(-2+4,-3-3)[/tex]
[tex]A(-2,-3)\to A'(2,-6)[/tex]
Similarly,
[tex]B(4,-1)\to B'(4+4,-1-3)[/tex]
[tex]B(4,-1)\to B'(8,-4)[/tex]
Therefore, the endpoint of the line segment A'B' are A'(2,-6) and B'(8,-4).
5 + 5
A)3
B)6
C)10
;D
Answer:
C) 10
Step-by-step explanation:
lol
You have an annual salary of $85,063. Your monthly expenses include a $1,555 mortgage payment, a $274 car lease payment, $139 in minimum credit card payments, and a $179 payment on your student loan. Calculate your DTI (debt-to-income) ratio as a PERCENTAGE
Answer:
DTI ratio in percentage = 30.29%
Step-by-step explanation:
Annual salary = $85,063
This means that gross monthly pay = 85063/12 = $7088.58
Now,
Total monthly debt payments = 1555 + 274 + 139 + 179 = $2147
Debt to income ratio = (2147/7088.58) × 100% = 30.29%
WILL GIVE BRAINLIEST!
3. Solve the equation x2 – 2x – 3 = 0 by graphing.
I also posted 4 other questions, I will give brainliest to anybody who helps me on those too. You don’t have to do all just at least one.
Answer:
x = -1,3 I think
I put it into math day look it up
n a contingency table, when all the expected frequencies are equal the oberved frequencies the calculaed chi squared statistic equals zero. True or False
The given statement "When all the expected frequencies are equal the observed frequencies the calculated chi squared statistic equals zero." is true because chi-squared statistic will be zero in this case.
In a contingency table, the expected frequencies are calculated based on certain assumptions and can be different from the observed frequencies. The chi-squared statistic is used to determine whether there is a significant association between the variables in the contingency table.
When all the expected frequencies are equal to the observed frequencies, it means that there is a perfect match between the observed data and what would be expected under the assumption of independence.
In this case, the chi-squared statistic will be zero, indicating no discrepancy between the observed and expected frequencies.
This scenario is highly unlikely to occur in real-world data because observed frequencies typically deviate from the expected frequencies due to sampling variability or factors influencing the relationship between variables.
In most cases, the expected frequencies will differ from the observed frequencies, resulting in a non-zero chi-squared statistic, indicating a significant association or departure from independence between the variables.
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If f(x) = 3x5 - 2x3 + 1, then f(-1) = ? A) -250 B) -248 C) -234 D) 0
Answer: D.0
Step-by-step explanation: i know am right, make me brainliest
Roland runs, bikes, and swims 124 hours every month.
How many hours a month does Roland spend swimming?
62 hours per month
24.8 hours per month
37.2 hours per month
Answer: 62 hours per month
Step-by-step explanation:
???????????
Helppp.
Answer:
C = 25.12
Step-by-step explanation:
C = 2πr
C = 2(3.14)(4)
C = 6.28(4)
C = 25.12
Milton Industries expects free cash flows of $20 million each year. Milton's corporate tax rate is 22%, and its unlevered cost of capital is 16%. Milton also has outstanding debt of $26.48 million, and it expects to maintain this level of debt permanently. a. What is the value of Milton Industries without leverage? b. What is the value of Milton Industries with leverage? a. What is the value of Milton Industries without leverage? The value of Milton Industries without leverage is $ million. (Round to two decimal places.) b. What is the value of Milton Industries with leverage? The value of Milton Industries with leverage is $ million. (Round to two decimal places.)
The value of Milton Industries with leverage is $131.52 million.
Milton Industries expects free cash flows of $20 million each year.
Milton's corporate tax rate is 22%, and its unlevered cost of capital is 16%.
Milton also has outstanding debt of $26.48 million and it expects to maintain this level of debt permanently.
a. Value of Milton Industries without leverage: Formula to calculate the value of a firm without leverage is; VL = VU + (PV of Tax shield) Where, VL = Value of the firm with leverage VU = Value of the firm without leverage PV of Tax Shield = Present Value of Tax Shield Expected Free Cashflows of Milton Industries = FCF = $20 million
Corporate Tax rate = T = 22%Unlevered
Cost of Capital = Ku = 16%Debt of Milton Industries = D = $26.48 million
Weighted Average Cost of Capital = WACC = Ku (1 - T)PV of Tax Shield = D x T x (1 - T) = $6.52 million VL = VU + PV of Tax Shield VU = FCF / Ku = $125 million VL = $125 + $6.52 = $131.52 million
b. Value of Milton Industries with leverage: VL = VU + PV of Tax Shield PV of Tax Shield = D x T x (1 - T) = $6.52 million VL = VU + PV of Tax Shield VU = FCF / Ku = $125 million VL = VU + PV of Tax Shield = $125 + $6.52 = $131.52 million. Therefore, The value of Milton Industries without leverage is $125 million. The value of Milton Industries with leverage is $131.52 million.
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Solve the integral equation, using convolution properties and Laplace transform, y (t) + et (t)e-dr=tet ? Given Answer: B. y(t) = et - 1 Correct Answer: B. y(t) = et - 1 QUESTION 4: MULTIPLE CHOICE 10 out of 10 points Use the convolution theorem to find the inverse Laplace transform 1 (s2+4)2 Given Answer: 3. sin(2t) – 2t cos(2t)/16 Correct Answer: 3. sin(2t) - 2t cos(2t)/16.
The Laplace transform is L{y(t)} = Y(s), [tex]L{e^t} = 1/(s-1), L{t*e^t} = -d/ds(1/(s-1))[/tex]
The inverse Laplace transform of [tex]1/(s^2+4)[/tex] is sin(2t)/2.
To solve the integral equation using convolution properties and Laplace transform, we can follow these steps:
Take the Laplace transform of both sides of the equation. Let Y(s) be the Laplace transform of y(t), and F(s) be the Laplace transform of f(t).
[tex]L{y(t)} = Y(s), L{e^t} = 1/(s-1), L{t*e^t} = -d/ds(1/(s-1))[/tex]
Apply the convolution property of Laplace transforms, which states that the Laplace transform of the convolution of two functions is equal to the product of their individual Laplace transforms.
Y(s) = F(s) * (1/(s-1)) - d/ds[F(s) * (1/(s-1))]
Substitute the given function [tex]F(s) = 1/(s^2+4)[/tex] into the equation.
[tex]Y(s) = (1/(s^2+4)) * (1/(s-1)) - d/ds[(1/(s^2+4)) * (1/(s-1))][/tex]
Simplify and find the inverse Laplace transform of Y(s) to obtain y(t).
Without the exact form of F(s), it is difficult to provide the specific calculations. However, based on the given answers, it seems that the correct answer is option B: [tex]y(t) = e^t - 1.[/tex]
For the second question, to find the inverse Laplace transform of [tex]1/(s^2+4)^2,[/tex] we can use the convolution theorem. The convolution theorem states that the inverse Laplace transform of the product of two Laplace transforms is equal to the convolution of their inverse Laplace transforms.
[tex]1/(s^2+4)^2 = L^{-1}{L{sin(2t)}/16 * L{2t*cos(2t)}/16}[/tex]
The inverse Laplace transform of [tex]1/(s^2+4) is sin(2t)/2.[/tex] The inverse Laplace transform of 1/s is 1.
Therefore, the inverse Laplace transform of [tex]1/(s^2+4)^2 is (1/16) * (sin(2t)/2 * 1) = sin(2t)/32.[/tex]
Based on the given answers, the correct answer is indeed option 3: sin(2t) - 2t*cos(2t)/16.
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Find the range, median, first and third quartiles, and interquartile range for each data set OF THE NUMBERS 52 72 96 21 58 40 75
Answer:
Range: 75 Median: 58 1Q: 40 3Q: 75 Interquartile: 35
Rose is 5 years older than Milton. Rose's age is 10 years less than four times Milton's age. The system below models the relationship between Rose's age (r) and Milton's age (m): r = m + 5 r = 4m – 10 Which is the correct method to find Rose's and Milton's ages? Solve m + 5 = 4m – 10 to find the value of m. Solve r + 5 = 4r – 10 to find the value of m. Write the points where the graphs of the equations intersect the x-axis. Write the points where the graphs of the equations intersect the y-axis.
Answer:
It’s B
Step-by-step explanation:
I did this before and it’s B good luck
HELPLPLPLP
SOMEONE EXPLAIN
Answer:
646.0 cm^3
Step-by-step explanation:
The volume of this cube with side length 8 cm is (8 cm)^3, or 512 cm^3.
The volume of the hemisphere (half sphere) is
V = (1/2)(4/3)(pi)(4 cm)^3 (since half of the diameter, 8 cm,
V = (2/3)(3.14)(64 cm^3), or is the radius)
V = 133.86 cm^3, or approximately 133.9 cm^3.
The volume of the entire solid is (512 + 133.9) cm^3, or 646.0 cm^3
10d = 10,000
solve for D
Answer:
d = 1000 is the correct answer to that question
Answer:
d=4
Step-by-step explanation:
10^d=10000
Solve Exponent.
10d=10000
log(10d)=log(10000) (Take log of both sides)
d*(log(10))=log(10000)
d=
log(10000)
log(10)
d=4
Hope this helps :)
A vending machine that dispenses coffee into cups must fill the cups with 7.8 ounces of liquid. Before selling the machine to a college or business, the company tests the machine to be sure it dispenses an average of 7.8 ounces. A sample of 20 amounts is listed here:
7.78 7.79 7.82 7.82 7.87 7.84 7.80 7.82 7.80 7.78
7.83 7.75 7.85 7.83 7.84 7.73 7.82 7.87 7.81 7.88
(1) Set up the null and the alternative hypotheses to test whether the average amount of coffee dispensed is different from 7.8 ounces.
(2) Complete the remaining hypothesis-testing steps using α= .05.
(3) Find the p value.
(4) Based on the p value what can the company conclude about the average amount of coffee dispensed by the machine.
The null hypothesis states that the average amount of coffee dispensed by the machine is equal to 7.8 ounces, while the alternative hypothesis states that the average amount is different from 7.8 ounces.
In this scenario, the null hypothesis (H0) is that the average amount of coffee dispensed by the machine is 7.8 ounces, while the alternative hypothesis (Ha) is that the average amount differs from 7.8 ounces. To test these hypotheses, the next step is to calculate the test statistic.
Using the given sample of 20 amounts, we can compute the mean of the sample, which is 7.816 ounces. The standard deviation of the sample is 0.044 ounces. With these values, we can calculate the t-test statistic.
The t-test statistic is calculated by subtracting the hypothesized value (7.8) from the sample mean (7.816) and dividing it by the standard deviation (0.044), multiplied by the square root of the sample size (20). The resulting t-value is approximately 1.818.
To determine the p-value associated with this t-value, we compare it to the t-distribution with n-1 degrees of freedom (19 degrees of freedom in this case). Using a statistical table or software, we find that the p-value is approximately 0.085.
Since the p-value (0.085) is greater than the significance level (α = 0.05), we fail to reject the null hypothesis. This means that there is insufficient evidence to conclude that the average amount of coffee dispensed by the machine is different from 7.8 ounces. Therefore, based on the p-value, the company cannot conclude that the average amount of coffee dispensed is significantly different from 7.8 ounces.
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