A swimsuit is on sale for $ 29.75 . if the original price of the swimsuit is $ 35 , what is the percent of the discount?

Answer:

an should be there isn't it

Answer:

As the small gear rolls along the circumference of the large gear, the shaft of the small gear completes 30/15 = 2 rotations for every 1 rotation of the large gear shaft. This is called a gear reduction of 1:2. I hope this helps.

Answer:

forces the gun back in the opposite direction

Explanation:

Newton's Third law of Motion describes that when you shoot a gun, the action of the bullet firing out of the gun in one direction forces the gun back in the opposite direction because of the power of the bullet.

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                           hello here is your answer!

juice~

A statistical inference is a process through which a researcher or analyst makes inferences about a population based on the statistics calculated from the sample.

The purpose of statistical inferences are:

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The identification of the polynomial expression is as follows:

A polynomial shows the relation of more than two algebraic terms and the sum of powers of a polynomial in more than one variable. Polynomials are represented in terms of [tex]\mathbf{kx^n}[/tex];

where;

The degree of a polynomial expressions can be:

Let's assume we have the following equation;

Their degree of polynomial expression is:

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The forms of each of the matrices depicts how the row and column elements of the matrices are arranged

The matrix A is given as:

[tex]\left[\begin{array}{cccc}4&11&2\\0&-5&8\\0&0&-2\end{array}\right]\left[\begin{array}{c}-6&7&3\end{array}\right][/tex]

The elements on the leading diagonals are: 4, -5 and -2

The elements under the leading diagonals are 0, 0 and 0

When the elements under the leading diagonals are 0, then the augmented matrix is row echelon form

The matrix B is given as:

[tex]\left[\begin{array}{cccc}1&0&0\\0&1&0\\0&0&1\end{array}\right]\left[\begin{array}{c}-6&3&3\end{array}\right][/tex]

The elements on the leading diagonals are: 1, 1 and 1

All other elements in the matrix are 0's

When the elements on the leading diagonals are 1's, and other elements are 0's, then the augmented matrix is reduced row echelon form

The matrix C is given as:

[tex]\left[\begin{array}{cccc}1&0&3\\0&6&0\\7&0&1\end{array}\right]\left[\begin{array}{c}-6&8&13\end{array}\right][/tex]

The above matrix is neither in row echelon form nor in reduced row echelon form, because it does not satisfies the condition of both forms of matrices

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Answer:

in picture below that I got from edg 23 precalc

Explanation:

the ans for this is true as it i the only internal struggle

Answer:

quizlet/494283439

Explanation:

I used this for my test not sure if im too late or not but here it for future students

Also the quizlet is wrong on a few questions (im not sure if its like this for everyone but it was like this for me):

6. B.292.3 meters

7. B.154 ft

8. D.912 meters

9. A.307 feet

Again these were the correct answers for me not sure if its the same for everyone they might have changed it.

(Also, I'm not sure about 11-15 bc my teacher said i didnt have to do those ones) Hope this helps :))

The expression "i did not have strange dreams." validates the statements below "I did not eat spicy foods" and "there is no thunder while I sleep"

In this exercise, the person gave three logical statements which are

Now since the person did not have/ experience strange dream, this proves that the person did not eat spicy food and there was not thunder while the person was asleep.

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Answer:

a.given year divided by the price of the basket in the base year, then multiplied by 100.

Explanation:

Answer:

1. 1906 2. San Francisco

The wavelength of the sound wave if the frequency is increased to the given value is 0.44m.

Wavelength is simply the distance over which the shapes of waves are repeated. It is the spatial period of a periodic wave.

It is expressed as;

[tex]\lambda = \frac{v}{f}[/tex]

Where v is velocity and f is frequency.

Given the data in the question;

Speed of sound wave; [tex]v =\ ?[/tex]

Wavelength of sound wave b; [tex]\lambda _b = ?[/tex]

First, we calculate the velocity of the sound wave in air from sound wave a.

[tex]\lambda = \frac{v}{f}\\ \\1.76m= \frac{v}{196s^{-1}}\\\\v = 1.76m * 196s^{-1}\\\\v = 344.96m/s[/tex]

Now, we determine the wavelength of sound wave b using the velocity of sound wave in air calculated above.

[tex]\lambda = \frac{v}{f}\\ \\\lambda = \frac{344.96m/s}{784s^{-1}}\\\\\lambda = 0.44m[/tex]

Therefore, the wavelength of the sound wave if the frequency is increased to the given value is 0.44m.

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Answer:

It decreases by 1.32 meters.

Explanation:

The other person was wrong.

The amount of time that is required for the microwave to heat the coffee is 34.4 seconds.

Given the following data:

In order to determine the amount of time that is required for the microwave to heat the coffee, we would use this formula:

[tex]Energy = power \times time\\\\[/tex]

Making time the subject of formula, we have:

[tex]Time = \frac{Energy}{Power}[/tex]

Substituting the given parameters into the formula, we have;

[tex]Time = \frac{30962}{900}[/tex]

Time = 34.4 seconds.

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The mortgage process is known to be a very complicated on but its involves:

When one has submitted papers for a mortgage, The lender will have to review your application and documentation and see if one qualifies.

They often check the property through the act of lender's valuation. and by the reviewing of your application and the result of the valuation, they will make final decision regarding if they will give you or not.

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Answer:

By multiplying it with each others

Answer:

multiply

Explanation:

My impressions of the characters from the story in his steps are :

Impression connote the views or opinions one has concerning a person.

Based on the text, The impressions of the Rachel character is known to be that she has a strong character. Rachel primary characteristics is that she is in her 20's and a beautiful singer at her Church.

Jasper on the other hand is quite a young writer that was in love with Rachel and He also proposed  marriage to her.

See full question below

What are your impressions of the following character? Is she a strong or weak character? (from the story in his steps)

Rachel

What are her primary characteristics?

What are your impressions of the following character? Is he a strong or weak character?

Jasper

What are his primary characteristics?

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The kinetic energy of the two-block system with the given masses before the collision is determined as ³/₂Mvs².

The kinetic energy of the blocks before the collision is calculated as follows;

For a negligible friction effect, the kinetic energy of the two - block system after the collision is equal to the kinetic energy before the collision.

K.E(initial) = K.E(after)

K(after) = ¹/₂(m₁ + m₂)vs²

K(after) = ¹/₂(m + 2m)vs²

K(after) = ¹/₂(3m)vs²

[tex]K.E(after) = \frac{3}{2} Mv_s^2[/tex]

Thus, the kinetic energy of the two-block system with the given masses before the collision is determined as ³/₂Mvs².

The complete question is below:

block x of mass m slides across a horizontal surface where friction is negligible. block x collides with block y of mass 2m that is initially at rest, as shown in figure 1. after the collision, both blocks slide together with a speed vs , as shown in figure 2.

What is the kinetic energy of the two-block system before the collision?

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An expression for the Ksp for hydroxyapatite would be written as follows:

                            Ksp =   [tex][(Ca^{++})^5][OH^{-}][(PO_4)^3][/tex]

In Chemistry, the solubility product constant (Ksp)​ can be defined as the equilibrium constant that describes a solid substance (solute) which is being dissolved in an aqueous solution.

This ultimately implies that, Ksp is typically used in chemistry to denote an equilibrium level at which a solute dissolves in an aqueous solution.

Mathematically, an expression to represent the solubility product constant (Ksp)​ for hydroxyapatite is written as follows:

                               Ksp =   [tex][(Ca^{++})^5][OH^{-}][(PO_4)^3][/tex]

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There are different ways to model real life grade scenario. An example is Numerical Expressions and Factors.

An example is: create a Venn diagram that represents the prime factorizations of 36 and 48.

They are known to be a form of well organized and lucidly explained  text about mathematics that is aimed towards students. They are made up of tests, quizzes, assessments and others.

The  Venn diagram that represents the prime factorizations of 36 and 48 is in the image attached.

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The probability both balls are black, given that the first one is black, is gotten as;  ⁵/₁₂

By using the probability of an event formula,

There are 5 black balls out of a total of 12 balls, so the probability of obtaining a black on a single draw is ⁵/₁₂, and the probability of obtaining a white is ⁷/₁₂



Since the balls are drawn with replacement, the two draws are independent events.

Use Multiplication and Union Rules to obtain the following probability:

P(F) = P(B, B) + P(B, W)

P(F) = (⁵/₁₂ * ⁵/₁₂) + (⁵/₁₂ * ⁷/₁₂)

P(F) =  ⁵/₁₂

Thus, the probability both balls are black, given that the first one is black, is  ⁵/₁₂

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Answer:

-74 is -144

Explanation:

Hope it helps <3

Answer:

-74 is -144

Explanation:

hope it help

It is useful to have a bank account and routing numbers when using tax preparation software so as to indicate where tax refunds should be sent.

A tax preparation software can be defined as a type of computer software that is designed and developed to assist individuals when they are filing their taxes, tax returns and bank account preparations.

Basically, it is very useful and important for individuals to have a bank account and routing numbers when using tax preparation software because it would help them to indicate where tax refunds should be sent.

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Answer:

Oaxaca

Explanation:

Oaxaca de Juárez is one of the most important destinations in Mexico

The pH of the solution is 10.74. the pH refers to the hydrogen ion concentration. It is a measure of the acidity of the solution.

pH is the degree of acidity or alkalinity of a solution.

The equation of the reaction is;

KOH + HBrO ==> KBrO + H2O

The number if moles of KOH =20.0 ml x 1 L / 1000 ml x 0.150 mol/L = 0.003 moles KOH

The number of moles of HBrO = 20.0 ml x 1 L / 1000 ml x 0.300 mol/L = 0.006 moles HBrO

Since the reaction is 1:2;

[BrO-] = 0.003 mols / 0.04L = 0.075M

Now the pH, is obtained from;

KBrO + H2O ==> KOH + HBrO

BrO- + H2O ==> HBrO + OH-  

Kb of BrO- = 1x10-14 / 2.5x10-9 = 4x10-6

Kb = 4x10-6 = [HBrO][OH-] / [BrO-]

From the ICE table;

4x10^-6 = (x)^2 / 0.075

x = 5.48x10-4 M = [OH-]

pOH = -log 5.48x10-4 M = 3.26

pH = 14 - pOH

pH = 10.74

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These are the complete sentences using the preterite tense:

In this exercise, the sentences are conjugated in the preterite tense.

The Spanish preterite tense ("pretérito perfecto simple" in Spanish) is used to talk about actions completed at some point in the past.

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Answer: If a linear system has no solution, the two lines are parallel. If it has one solution, the lines will intersect at exactly one point because they have different slopes.

The building of a hacker rank is one that cost a lot of money and as such the minimum cost is  4.

The minimum cost is the lowest cost that is needed to complete a building.  It depends on:

When one is given input such as : [[1,2,3],[1,2,3],[3,3,1]] (the values in column stands for the cost of materials)

The output : 4

So you have to:

Select  material-1 of cost 1 in first house(row)

Select  material-2 of cost 2 in second house(row)

Select   material-3 of cost 1 in third house (row)

total = 1+2+1 -> 4

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The center of mass of the rod of length L whose mass density changes from one end to the other quadratically is; X_cm =  ³/₄L(ρ₀ + ρ₀)/(2ρ₀ + ρ₁)

The formula for the center of mass of a body is defined as;

X_cm = (1/M) ∫r.dm

Where;

X_cm is the position of the center of mass

M is the total mass of the body

r is the position with respect to an origin

The density of a body is the relationship between two of its magnitudes that change constantly and so we have;

ρ = m/x

Applying small changes and we have;

ρ = dm / dx

dm = ρ*dx

We are given the expression;

ρ₀ = ρ₀ + (ρ₁ -ρ₀) (x/L)²

Thus;

dm = (ρ₀ + (ρ₁ -ρ₀) (x/L)²)dx

Since the whole system is on the x-axis, we integrate from the initial point x = 0 to the upper limit X = L. This gives;

X_cm =  M⁻¹  ∫ x  [ρ₀ + ( ρ₁-ρ₀) (x/L)²] dx

X_cm = M⁻¹  [∫ ρ₀ x dx + I (ρ₁-ρ₀) / L² x³ dx]

X_cm = M⁻¹  [ρ₀ x²/ + (ρ₁ -ρ₀) / L² x⁴/4]

X_cm = M⁻¹ [ρ₀/2 (L2-0) + (ρ₀₁ -ρ₀) /4L² (L⁴-0)

X_cm = M⁻¹ [ρ₀ L²/2 + (ρ₁ -ρ₀)/4  L²]

X_cm = M⁻¹ L² [ρ₀/4 + ρ₁/4]

X_cm = M⁻¹ L²/4 ( ρ₀ +ρ₁)

The only parameter that we don't know explicitly is the total mass, but we can look for their relationship using the concept of density.

M = ∫dm = ∫ρ.dx

M = ∫[ρ₀ + (ρ₁ -ρ₀)/L²x²] dx

We integrate between the limits of integration x = 0 and x = L to get;

M = ρ₀ x + (ρ₁ -ρ₀)/L² *x³/3

M = ρ₀ L + (ρ₁ -ρ₀)/3L²  L³

M = ρ₀ L + (ρ₁-ρ₀)/3  L

M = L(ρ₀ + ρ₁/3   -ρ₀/3)

M = L(2/3 ρ₀ + ρ₁/3)

M = ¹/₃L(2ρ₀ + ρ₁)

We will replace and simplify in the center of mass equation to get;

X_cm = ¹/₄L²[ρ₀ + ρ₁] / [L/3 (2ρ₀ + ρ₀)/L]

X_cm =  ³/₄L(ρ₀ + ρ₀)/(2ρ₀ + ρ₁)

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