which of the following numbers could be the probability of an event? 0.04, 1.22, 0, 1, 0.33,

the wavelength of the electron is approximately 122 nm To find the wavelength of an electron, we can use the de Broglie wavelength formula:

wavelength (λ) = h / (m * v)

where:
- h is Planck's constant (6.63 x 10^-34 Js)
- m is the mass of the electron (9.11 x 10^-28 g, which needs to be converted to kg)
- v is the speed of the electron (5.97 mm/s, which needs to be converted to m/s)

Step 1: Convert the mass of the electron to kg:
9.11 x 10^-28 g * (1 kg / 1000 g) = 9.11 x 10^-31 kg

Step 2: Convert the speed of the electron to m/s:
5.97 mm/s * (1 m / 1000 mm) = 5.97 x 10^-3 m/s

Step 3: Plug the values into the de Broglie wavelength formula:
λ = (6.63 x 10^-34 Js) / (9.11 x 10^-31 kg * 5.97 x 10^-3 m/s)

Step 4: Calculate the wavelength:
λ = (6.63 x 10^-34 Js) / (5.44 x 10^-33 kg m/s) ≈ 1.22 x 10^-10 m

Step 5: Convert the wavelength to nm:
1.22 x 10^-10 m * (1 x 10^9 nm / 1 m) ≈ 122 nm

So, the wavelength is approximately 122 nm.

to learn more about wavelength click here :

brainly.com/question/24452579

#SPJ11

Answer:

\(y = \sqrt{ {14}^{2} - {10}^{2} } \\ y = \sqrt{96} \\ y = 9.8\)

Answer:

Step-by-step explanation:

using pythagoras theorem

h^2=p^2+b^2

14^2=10^2+b^2

196=100+b^2

196-100=b^2

96=b^2

\(\sqrt{96}\) =b

4\(\sqrt{6}\) =y

Answer:

1. 4 2. 4 3. 5 4.1

Step-by-step explanation:

first box is 4 second box is 4 third is 5 fourth is 1.

You're welcome.

The question that is best answered using a parametric design is: "Does one level of the independent variable result in an increase/decrease in levels of behavior when compared to another level of that independent variable, for given participants?"

A parametric design is characterized by manipulating and comparing different levels or conditions of an independent variable. It aims to determine whether there are significant differences between these levels in terms of the dependent variable. The design typically involves controlling extraneous variables and randomizing the assignment of participants to different conditions.

The question mentioned above aligns with the purpose of a parametric design as it seeks to compare the effects of different levels of the independent variable on behavior. By manipulating and systematically varying the independent variable while holding other factors constant, researchers can assess the impact of different conditions and determine if there are statistically significant differences in behavior between them.

The other answer choices provided do not explicitly involve comparing different levels or conditions of the independent variable, which is a key characteristic of a parametric design.

Therefore, the question that is best answered using a parametric design is: "Does one level of the independent variable result in an increase/decrease in levels of behavior when compared to another level of that independent variable, for given participants?"

Learn more about parametric design on:

https://brainly.com/question/21043663

#SPJ4

Step-by-step explanation:

1) Thousands

2) 100 thousands

3) tens

Answer:

\(\frac{\sqrt{2}}{2}\)

Step-by-step explanation:

You can find this by looking at a unit circle and locating 45 degrees, and finding the x coordinate at that point.

Answer:

120 in²

Step-by-step explanation:

Please see the attached pictures for the full solution.

The x-intercepts of the graph of the equation indicates the initial position of the golf ball and the final point it landed after the flop shot.

The golf ball would land 5 meters away.

In Mathematics and Geometry, the x-intercept simply refers to the zeros or roots of any quadratic function and it can be defined as the point where the line of a graph passes through the x-axis (x-coordinate) as shown in the image attached above.

Next, we would determine the x-intercept of the given quadratic function as follows;

y = -x² + 5x

Where:

x represents the horizontal distance (in yards).

0 = -x² + 5x

0 = -x(x - 5)

x = 0 or x = 5

Next, the distance is given by;

Distance = 5 - 0

Distance = 5 meters.

Read more on quadratic functions here: brainly.com/question/29499209

#SPJ1

In inelastic collision of object ma with mb, the formula for "M²" after colission can be calculated using the formulas given below;

Pna ​=PVoor

​=PA​+PB​=γA​⋅mA​⋅VA​+γB​⋅mB​⋅VB​

=γ⋅M⋅V

Ena​=Evoor

​=EA​+EB​=γA​⋅mA​⋅c2+γB​⋅mB​⋅c2

=mi2​⋅c4+c2Pi2​​

M2=mA2​+mB2​+2(YA​⋅mA​⋅YB​⋅mB​−c2YA​⋅mA​⋅VA​⋅YB​⋅mB​⋅VB​​).

Where,Pna is the momentum of the system after the collision;

PVoor is the momentum of the system before the collision;

PA and PB are the momenta of the colliding bodies A and B respectively;

mA and mB are the masses of the bodies;γA and γB are the Lorentz factors of the colliding bodies A and B respectively;

VA and VB are the velocities of the bodies A and B respectively.

Energy of the system after the collision is given by Ena;

Energy of the system before the collision is given by Evoor;

EA and EB are the energies of the bodies A and B respectively;

C is the speed of light;γA and γB are the Lorentz factors of the colliding bodies A and B respectively;

mi is the invariant mass of the system;

Pi is the total momentum of the system.

Therefore, the formula for "M²" after collision can be calculated using the given formulas.

To know more about velocities visit:

brainly.com/question/19979064

#SPJ11

The Probability that a dancer performs first is 1/4.

The ratio of good outcomes to all possible outcomes of an event is known as the probability. The number of positive results for an experiment with 'n' outcomes can be represented by the symbol x. The probability of an occurrence may be calculated using the following formula.

Probability(Event) = Positive Results/Total Results = x/n

Total number of participant = 20

Because of the random selection, each talent type has a chance of occurring.

P(1)=P(2)=P(3)=1/3

Probability of choosing an instrumentalist=P(I)=8/24=1/3

Probability of choosing the Singers=P(S)=10/24=5/12

Probability of choosing dancers=P(D)=6/24=1/4

Probability that Dancer performs first=P(1).P(D)/(P(1).P(D)+P(2).P(I)+P(3).P(D))

                                                        =(1/3×1/4)/(1/3×1/4 + 1/3×1/3 + 1/3×5/12)

​                                                        =36/144

                                                          =1/4

The Probability that a dancer performs first is 1/4.

For further reference on Probability refer to following links:

brainly.com/question/30034780

#SPJ4

Answer:

32.1

Step-by-step explanation:

Answer:

32.1

Step-by-step explanation:

Answer:

3.33

Step-by-step explanation:

Answer:

a = 4, b = 5

Step-by-step explanation:

we need to complete the square to get it in that form.

x^2 - 8x + 21

= x^2 - 8x + 16 + 5

= (x-4)^2 + 5

a = 4, b = 5

Answer:

H=V/pi(r)

Step-by-step explanation:

You divide by pi and r...

V/pi(r)=h

Sally's friends took 105 marbles

A word problem  is a math question written as one sentence or more that requires children to apply their math knowledge to a 'real-life' scenario. Solving word problem requires critical thinking.

Let x represents the total number of marble

Sue takes 1/3 of the marble = (1/3)x

remaining marble after sue = x-(1/3)x = (2/3)x

Bill takes 1/4 of the remainder =( 2/3)x × 1/4 =(1/6)x

the remaining marble after Bill is( ⅔-⅙)x = 5x/6

Brian takes 1/2 of the remainder 5x/6 ÷2 = 5x/12

The remainder after Brian = 5x/6-5x/12= 75

multiply through by 12

= 10x-5x = 900

5x = 900

divide both sides by 5

x = 900/5 = 180 marbles

This means the total marble is 180 after all Sally's friends have taken, 75 is left.

Therefore the number of marbles taken by Sally's friends is 180-75 = 105 marbles

Learn more about word problem from: brainly.com/question/21405634

#SPJ1

The number that has no composite factors is (c) 77

From the question, we have the following parameters that can be used in our computation:

Number = 21

The factors of 21 are 3 and 7

These factors are composite numbers because they are prime numbers

using the above as a guide, we have the following:

The number 77 has no composite factors

This is so because

77 = 7 * 11

These factors are composite numbers because they are prime numbers

Read more about composite numbers at

https://brainly.com/question/13192430

#SPJ1

Answer:

717.25 that's the answer

5738 divided by 8 but you only want the R and the R is 2869

Step-by-step explanation:

4^2+9^2=97

Magnitude=sqrt(97)

In simplified radical form, the magnitude of the vector (4, 9) is represented as √97.

To find the magnitude of a vector (a, b), you can use the formula which is expressed as:

Magnitude = √(a² + b²)

Given the vector (4, 9), let's calculate its magnitude as shown below:

Magnitude = √(4² + 9²)

Magnitude = √(16 + 81)

Magnitude = √97

So, the magnitude of the vector (4, 9) is √97 in simplified radical form.

Learn more about magnitude of a vector on:

https://brainly.com/question/3184914

#SPJ3

Answer:

Step-by-step explanation:

Find the volume of the sample container.

Given:

Volume formula:

Substitute to get:

Find the volume of the trace element, using the given proportion:

The answer of the given question based on the graph shows  number of birdhouses Penn and his father can build, if they have enough time to build not more than 10 birdhouses, the correct option is A).

What is Graph?

In mathematics, a graph is a collection of points (called vertices or nodes) and the lines or arcs (called edges) that connect them. Graphs are used to model and analyze a variety of real-world situations, such as social networks, transportation systems, and electrical circuits.

Based on the given graph, the horizontal axis represents the number of birdhouses Penn's father can build and the vertical axis represents the number of birdhouses Penn can build. The graph is bounded by the line x + y = 10, which means that the sum of  number of the birdhouses Penn and his father can build cannot be exceed more than10.

Therefore, the domain of this graph is the set of possible values for the number of birdhouses Penn's father can build, subject to the constraint that the sum of the number of the birdhouses Penn and his father can build cannot be exceed more than 10. This domain is the set of non-negative integers less than or equal to 10, inclusive. In interval notation, this can be written as [0, 10].

To know more about Domain visit:

https://brainly.com/question/30133157

#SPJ1

Complete question:-The graph shows the number of birdhouses Penn and his father can build if they have enough time to build no more than 10 birdhouses. What is the domain of this graph?

The confidence intervals created using the percentile method and the standard error method are not exactly the same for two reasons:

First, the two methods are based on different assumptions about the population distribution of the sample. Second, the percentile method and the standard error method use different formulas to compute the confidence intervals. The standard error method assumes that the population is normally distributed, while the percentile method does not make any assumptions about the distribution of the population. As a result, the percentile method is more robust than the standard error method because it is less sensitive to outliers and skewness in the data. The percentile method calculates the confidence interval using the lower and upper percentiles of the bootstrap distribution, while the standard error method calculates the confidence interval using the mean and standard error of the bootstrap distribution.

Since the mean and percentiles are different measures of central tendency, the confidence intervals will not be exactly the same.

Know more about percentile method and the standard error method here:

https://brainly.com/question/15284220

#SPJ11      

The ordered pairs for the system of equations f(x) = x^2 -2x + 3 and f(x) = -2x + 12 are (3, 6) and (-3, 18)

A quadratic equation is an algebraic equation of the second degree in x. The quadratic equation in its standard form is ax2 + bx + c = 0, where a and b are the coefficients, x is the variable, and c is the constant term. The first condition for an equation to be a quadratic equation is the coefficient of x2 is a non-zero term(a ≠ 0)

f(x) = x^2 -2x +3 and f(x) = -2x + 12

which means

x^2 -2x +3  = -2x + 12

x^2 -2x +3  + 2x - 12 = 0

x^2 -9 = 0

by factorizing we have

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

x = 3 or -3

when x = 3

f(x) = -2x + 12

f(3) = -2(3) + 12 which is 6

when x = -3

f(-3) = -2(-3) + 12 which is 18

ordered pairs are (3, 6) and (-3, 18)

In conclusion, (3, 6) and (-3, 18) are the ordered pairs

Learn more about Quadratic equation: https://brainly.com/24334139

#SPJ1

Step-by-step explanation:

÷ and 1/2 are both division but one is a fraction with a little more potential

When the mean of the sampling distribution is the same value as the population parameter, we can say that the statistic is an unbiased estimator.

An unbiased estimator happens to be the situation in statistics where the expected value of a population parameter is the same as the true value of that same parameter.

Hence we can conclude that When the mean of the sampling distribution is the same value as the population parameter, we can say that the statistic is an unbiased estimator.

Read more on statistics here: https://brainly.com/question/15525560

#SPJ4

Answer:

135 degree

Step-by-step explanation:

In this case, we'll have to carry out several steps to find the solution.

We must analyze the graph to find the solution.

Step 01:

The domain is reflected on the x-axis and the range is reflected on the y-axis

domain: (-oo , oo)

range: (-3 , oo)

Step 02:

relative minimum:

1. (- 2.5 , -1) = ( -5/2 , -1)

2. ( 3 , -3 )

relative maximum

1. ( 0, 5)

That is the full solution.

Step-by-step explanation:

100Km/hours......V/T

Answer:

Hey mate.....

Step-by-step explanation:

This is ur answer....

Cacique comes from the Taíno word kassiquan, meaning "to keep house". In 1555 the word entered the English language as "prince". In Taíno culture, the cacique rank was hereditary and sometimes established through democratic means.

hope it helps you,

Mark me as the brainliest....

Follow me!

The expression for the number of days in y weeks - 5 days is (7*y) -5.

In x weeks and 3 days there are 7x + 3 days. Following the same pattern, as in a week there are 7 days, so on multiplying the number of weeks(y) by 7, we get the number of days in y weeks as: 7*y. On subtracting 5 from this number, as per the statement of the question, we get the number of days as: (7*y) - 5.

Therefore, the expression for the number of days in y weeks - 5 days can be written as (7*y) -5.

To learn more about expression writing,

https://brainly.com/question/4344214