lmkk if u know this, i need sum help

Answer:

a. 10 buns or 10/12

b. 8 buns or 8/12

Step-by-step explanation:

You need to make the denominator into 12 since thats how much is in a dozen

5/6 of a dozen is also 10/12 (multiplied numerator and denominator by 2)

2/3 of a dozen is also 8/12 (multiplied numerator and denominator by 4)

Answer:

the answer is 16%

Step-by-step explanation:

please mark as brainlest

Answer: There are 16% girls

The relationship is that number sense can be used to solve area models or partial products.

Number sense refers to a set of important numerical skills. It includes the capacity to comprehend numbers and concepts such as more and less. Some people have a better sense of numbers than others.

Number sense is a set of abilities that enable humans to work with numbers. These abilities are essential for performing math as well as many other jobs.

In this case, partial products model of multiplication. This is a model which breaks numbers down into their factors. or place values in order to make multiplication easier. This depicts number sense.

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The claim that independence (r⊥a) and separation (r⊥a|y) cannot both hold is not universally true when y assumes three distinct values.

To show that the claim does not hold when y assumes three distinct values, let's consider a counterexample.

Assume that y can take three values: y1, y2, and y3. We'll construct a scenario where independence (r⊥a) and separation (r⊥a|y) both hold.
Counterexample:
Suppose we have the following probabilities:
P(r=0|y=y1) = 0.5
P(r=1|y=y1) = 0.5
P(r=0|y=y2) = 0.5
P(r=1|y=y2) = 0.5
P(r=0|y=y3) = 0.5
P(r=1|y=y3) = 0.5

Now, let's consider the probabilities for a:
P(a=0|y=y1) = 0.5
P(a=1|y=y1) = 0.5
P(a=0|y=y2) = 0.5
P(a=1|y=y2) = 0.5
P(a=0|y=y3) = 0.5
P(a=1|y=y3) = 0.5

In this scenario, we can observe that:
Independence holds:

P(r⊥a) = P(r) * P(a)

= 0.5 * 0.5

= 0.25
Separation holds:

P(r⊥a|y) = P(r|y) * P(a|y)

= 0.5 * 0.5

= 0.25

Therefore, in this counterexample, independence (r⊥a) and separation (r⊥a|y) both hold even when y assumes three distinct values.

In conclusion, the claim that independence (r⊥a) and separation (r⊥a|y) cannot both hold is not universally true when y assumes three distinct values.

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The equation of the circle centered at the origin and passing through the point (0, 9)The equation of a circle with the center (h, k) and the radius r is given by the equation as:

(x - h)² + (y - k)² = r².

Therefore, if the center of the circle is at the origin (0, 0), then the equation of the circle is: x² + y² = r², where r is the radius of the circle.Given that the circle passes through the point (0, 9), we can substitute the coordinates of the point into the equation of the circle and solve for r.

Therefore, we have: 0² + 9² = r²81 = r²r = 9

So, the equation of the circle centered at the origin and passing through the point (0, 9) is:x² + y² = 9²

which simplifies to:x² + y² = 81.

This is the required equation of the circle.

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The four students; Michal, Hypatia, clodoveo and Jamal's attempt to explain the expression "3 - 5 × (4 - 3 × 2)² - 1 + 2(1 - 2)³" is incorrect

This means to make simpler, either by reducing in complexity, reducing to component parts, or making easier to understand.

3 - 5 × (4 - 3 × 2)² - 1 + 2(1 - 2)³

Using PEMDAS

Correct workings:

3 - 5 × (4 - 3 × 2)² - 1 + 2(1 - 2)³

3 - 5 × (1 × 2)² - 1 + 2(-1)³

= 3 - 5 × (2)² - 1 + 2(-1)

= 3 - 5 × (4) - 1 - 2

= 3 - 20 - 3

= - 20

In conclusion, the correct simplification of the expression "3 - 5 × (4 - 3 × 2)² - 1 + 2(1 - 2)³" is -20

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Answer:

If what??? can you please finish the question in the reply?

The equation AB=BC for \(A=BCB^{-1}\).

The solution of AB = BC  for A, assuming that A,B and C are square matrices and B is invertible is

We have to solve the equation

AB = BC given that these all are square matrices and B is invertible.

Write the required Equation:

Multiply both sides by inverse of B

The multiplicative inverse of a matrix is the matrix that gives you the identity matrix when multiplied by the original matrix.

⇒\(ABB^{-1} =BCB^{-1}\)

⇒\(AI=BCB^{-1}\)

⇒\(A=BCB^{-1}\)

Therefore, the solution of AB = BC is \(A=BCB^{-1}\).

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The correlation coefficient (r) measures the strength and direction of the linear relationship between two variables. The value of r ranges from -1 to +1, where a value of -1 indicates a perfect negative correlation, +1 indicates a perfect positive correlation, and 0 indicates no correlation.

The correlation coefficient's sign will not change when the order of the variables in a correlation study is changed, but the coefficient's numerical value might. This is due to the symmetry of the correlation coefficient with regard to the two variables under comparison.

For instance, if you calculate the correlation coefficient between X and Y and the result is r = 0.7, it indicates that Y tends to rise as X does. The correlation coefficient between the variables Y and X will have the same sign (+ or -) but a different numerical value if the variables are computed in a different order.

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omg what is the......................

Answer:

Step-by-step explanation:

The function f(w) is the difference of c(w) and a(w):

Correct choice is C

Answer:

question 3= c     question 4= a

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

Hey there!

The equation is asking us, c x c = 4

What is c?

Well the only number that is equal to 4 when you square it is 2

The equation of the line in slope-intercept form is,

where,

m = slope

The equation of the line given is,

Let us now rearrange the equation in the slope-intercept form in order to obtain the slope.

Therefore,

We were told the point is parallel to the equation of the line.

The rule for parallelism is,

The formula to calculate for the equation of a line given one point is,

Given

Substitute and simplify

Hence, the equation of the line in slope-intercept form is

The solution set is n ≥ 4.

In mathematics, "inequality" refers to a relationship between two expressions or values that is not equal to each other.

We have the inequality,

4n -1  ≥ 15

To solve the inequality, you may multiply or divide each side by the same positive number, add the same amount to each side, take the same amount away from each side, and more. You must flip the inequality sign if you multiply or divide either side by a negative number.

4n - 1 +1  ≥ 15 +1

4n ≥ 16

n ≥ 4.

And N = 3, inequality does not hold.

Therefore, The solution set is n ≥ 4.

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Answer:

Cubic centimetres

Step-by-step explanation:

Cubic centimetres is perfect

As

Exercise regularly.

Do not smoke or use tobacco products.

Get plenty of rest.

Eat a balanced diet.  

Total calories intake of Priti is 180.9 calories

Given that;

Number of calories in 100g banana = 84 calories

Number of calories in 100g yoghurt = 87 calories

Amount of banana and yoghurt Priti have = 60g and 150g respective

Find:

Total calories intake of Priti

Computation:

Total calories intake of Priti = 60[84/100] + 150[87/100]

Total calories intake of Priti = 50.4 + 130.5

Total calories intake of Priti = 180.9 calories

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(t₁......t₆) = (5, 1, 44, 10, 90, 20) is the solution of the given matrix.

(A) An augmented matrix for a system of equations is a matrix of numbers where each column represents all the coefficients for a single variable and each row represents the constants from one equation (both the coefficients and the constant on the other side of the equal sign).

The system's augmented matrix is shown here:

\(\left[\begin{array}{cccccc|c}1 & 1 & 1 & -\frac{1}{2} & -\frac{1}{2} & 0 & 0 \\0 & 1 & 1 & 1 & -\frac{1}{2} & -\frac{1}{2} & 0 \\0 & 1 & 0 & 0 & 0 & 0 & 1 \\0 & 0 & 0 & 1 & 0 & 0 & 10\end{array}\right]\)

(B) Use these row operations to convert this augmented matrix to a reduced echelon form.

Here is the augmented matrix's reduced echelon form:

\(\left[\begin{array}{ccccccc}1 & 0 & 0 & 0 & 0 & \frac{1}{2} & 15 \\0 & 1 & 0 & 0 & 0 & 0 & 1 \\0 & 0 & 1 & 0 & -\frac{1}{2} & -\frac{1}{2} & -11 \\0 & 0 & 0 & 1 & 0 & 0 & 10\end{array}\right]\)

(C) There are more rows:

\(\begin{array}{lllllll}0 & 0 & 0 & 0 & 0 & 1 & 20\end{array},\\\begin{array}{lllllll}1 & 1 & 1 & 0 & 0 & 0 & 50\end{array}\)

Augmented matrix:

\(\left[\begin{array}{ccccccc}1 & 0 & 0 & 0 & 0 & \frac{1}{2} & 15 \\0 & 1 & 0 & 0 & 0 & 0 & 1 \\0 & 0 & 1 & 0 & -\frac{1}{2} & -\frac{1}{2} & -11 \\0 & 0 & 0 & 1 & 0 & 0 & 10 \\0 & 0 & 0 & 0 & 0 & 1 & 20 \\1 & 1 & 1 & 0 & 0 & 0 & 50\end{array}\right]\)

(D) You must employ these row operations in order to solve the system.

\(\left[\begin{array}{lllllll}1 & 0 & 0 & 0 & 0 & 0 & 5 \\0 & 1 & 0 & 0 & 0 & 0 & 1 \\0 & 0 & 1 & 0 & 0 & 0 & 44 \\0 & 0 & 0 & 1 & 0 & 0 & 10 \\0 & 0 & 0 & 0 & 1 & 0 & 90 \\0 & 0 & 0 & 0 & 0 & 1 & 20\end{array}\right]\)

Therefore, (t₁......t₆) = (5, 1, 44, 10, 90, 20) is the solution of the given matrix.

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The solution to the system of equations using the substitution method is (7,2).

No, the substitution approach cannot be used to solve every system of equations. It can be challenging to replace one equation with another in some systems because they feature equations that are challenging or impossible to solve for one variable in terms of the other. Other approaches, such graphing or elimination, could be more useful in such circumstances.

Given that, the two equations are:

x= 4y - 1

3x + 2y = 25

Substitute x = 4y - 1 into the second equation:

3(4y - 1) + 2y = 25

12y - 3 + 2y = 25

14y - 3 = 25

14y = 28

y = 2

Substitute the value of y in equation:

x = 4y - 1

x = 4(2) - 1

x = 7

Hence, the solution to the system of equations using the substitution method is (7,2)

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At time t=0, the experimenter measures the energy of the system.

To determine the values and probabilities of energy measurements, we need to find the eigenvalues and eigenvectors of the Hamiltonian matrix H. The eigenvalues represent the possible energy values that can be observed, while the corresponding eigenvectors give the probabilities associated with each measurement outcome.

The eigenvalues of H are E_1 = 2, E_2 = 7, and E_3 = 7. Thus, the possible energy values that can be found are 2, 7, and 7.

The eigenvectors corresponding to these eigenvalues are:

|u_1⟩ = [1, 0, 0]^T

|u_2⟩ = [0, 1, 0]^T

|u_3⟩ = [0, 0, 1]^T

To calculate the probabilities, we need to express the initial state vector |ψ(0)⟩ in terms of the eigenbasis:

|ψ(0)⟩ = (2/√6)|u_1⟩ + (2/√6)|u_2⟩ + (2/√6)|u_3⟩

The probabilities of obtaining each energy value can be calculated as the squared magnitudes of the projection coefficients. Therefore, the probabilities are:

P(E_1) = |⟨u_1|ψ(0)⟩|^2 = (2/√6)^2 = 2/3

P(E_2) = |⟨u_2|ψ(0)⟩|^2 = (2/√6)^2 = 2/3

P(E_3) = |⟨u_3|ψ(0)⟩|^2 = (2/√6)^2 = 2/3

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Answer:

B. -6

Step-by-step explanation:

The common difference here is the difference between each term. Since it is an arithmetic sequence the difference between each term will be the same value.

So, from 45 (the 1st term) to 39 (the 2nd term), the difference is -6

From 39(the 2nd term) to 33, the difference is also -6.

Therefore, we know that the common difference fro this arithmetic sequence is -6.

Hope this helps and ask me any question if it does not :)

Answer:

-6.

Step-by-step explanation:

39 - 45 = -6

33 - 39 = -6

27 - 33 = -6

21 - 27 = -6.

There is only one group of participants will receive treatment e as the first treatment.

What is lain square design?

A block with a Latin square design has v Latin characters arranged in a

v x v array (a table with v rows and v columns). Latin square designs are

frequently employed in studies in which individuals are assigned to treatments over a predetermined time period, where it is assumed that time has a significant impact on the experimental response.

The Latin Square Design's name comes from the fact that the treatments can be represented by a square written in Latin letters. Latin letters in the Latin square shape represent the treatment factor levels. The number of treatment levels must match the number of rows and columns.

Hence, There is only one group of participants will receive treatment e as the first treatment.

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The probability of getting a 1/5 chance twice in a row is indeed 1/5 * 1/5 = 1/25 or 0.04 or 4%.

What is probability ?

Probability is a branch of mathematics that deals with the study of random events or outcomes. It is a measure of the likelihood or chance that a particular event or outcome will occur.

Probability is typically expressed as a value between 0 and 1, where 0 represents an impossible event and 1 represents a certain event. For example, the probability of flipping a coin and getting heads is 0.5 or 50%, since there are two equally likely outcomes (heads or tails).

According to the question:
The probability of getting a specific outcome with a 1/5 chance twice in a row is calculated by multiplying the probability of getting that outcome each time. Therefore, the probability of getting a 1/5 chance twice in a row is indeed 1/5 * 1/5 = 1/25 or 0.04 or 4%.

Your friend's response might have been related to the concept of independent events, where the outcome of one event does not affect the probability of the outcome of the next event. In this case, each roll is an independent event with a 1/5 chance of getting the desired outcome. However, the probability of getting that outcome twice in a row is still the product of the probabilities of each individual event.

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Answer:

m = -2

Step-by-step explanation:

because of rise/run you can simply see the slope

Here are the probabilities you're looking for:

a) p(-.67 ≤ z ≤ -.23): This is the probability that the z-score falls between -0.67 and -0.23. You can find this by using a standard normal table or calculator to look up the values and subtracting the smaller value from the larger one.

b) p(0 ≤ z ≤ 1.96): This is the probability that the z-score falls between 0 and 1.96. Again, use a standard normal table or calculator to find the values and subtract accordingly.

c) p(-1.28 ≤ z ≤ 0): This is the probability that the z-score falls between -1.28 and 0. To find this, look up the values on a standard normal table or calculator and subtract as before.

d) p(z > 4.2): This is the probability that the z-score is greater than 4.2. To find this, look up the value for 4.2 on a standard normal table or calculator and subtract it from 1, as the total probability under the curve is equal to 1.

Remember to use a standard normal table or calculator to obtain the exact probabilities for each scenario.

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