A clothing store has a markup of 98% on the wholesale price of jeans. If the wholesale price of men’s jeans is $24.00, what will be the retail price?

Answer: x =1, y = -1

Step-by-step explanation:

-10x+4y=-14

7x+5y=2

Let's eliminate y.

5(-10x+4y= -14)

4(7x + 5y=2)

[ I multiplied the first equation by the coefficient of y in the second equation and did the same in the second equation].

=> -50x+20y =-70

     28x+20y = 8

Notice how the coefficients of y are the same. We can subtract the 2 equations to eliminate y.

Thus,

-78x = -78 ( y has been eliminated)

∴ x=-78/-78 =1.

Put the value of x in any equation to find y.

7x + 5y =2

=> 7(1) + 5y =2

7+5y=2

5y = 2-7

5y = -5

y = -1.

Hope this helps :)

Answer:

Let p be the probability assigned to faces with 1 to 5 spots (since their probabilities are unaffected) and let x be the probability assigned to the face with 6 spots. Then, we have the equation:

0.21 = x + p

Since the probabilities of all six faces must add up to 1, we also have the equation:

1 = 5p + x

Solving these equations simultaneously, we get:

p = 0.146

x = 0.064

Therefore, the probability assigned to the faces with 1 to 6 spots (in order) are:

0.146, 0.146, 0.146, 0.146, 0.146, and 0.064.

Step-by-step explanation:

1.The sampling error is the difference between the values of a sample statistic and the value of the corresponding  population parameter.

2.Larger values of the standard deviation result in a normal curve that is wider and flatter.

3.The mean of the sampling distribution of the sample mean is the mean of the means of all possible samples of the same size taken from the population.

4. Same for each interval.

Because each interval having equal length, and probability of selecting any value is (1 / length).

What is sampling error?

The difference between a population parameter and a sample statistic used to estimate it.

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Answer: h = 6

explanation:

first u get h by itself

4h + 6 = 30

subtract 6 from both sides

4h = 24

divide by 4 on both sides

h = 6

Answer:h=3/13

Step-by-step explanation: Subtract 6  from both sides of the equation 4h+6-6=30h-6 you simplify 4h=30h-6. Subtract 30h  from both sides of the equation then you get -26h=-6 then you divide both sides of the equation by the same term -26h/-26=-6/-26 and your answer is 3/13.

Answer:

I am deeply sorry.

Step-by-step explanation:

I am really sorry about how long it takes you to do "this". My best advice is to take a break and think it out slowly.

The operation that Amjed should perform to determine the relative frequency of a person over 30 years old who prefers to ride a mountain bike is given as follows:

2) Divide 25 by 462.

The parameters that are needed to calculate a probability are listed as follows:

Then the probability is calculated as the division of the number of desired outcomes by the number of total outcomes, hence it is the same as a relative frequency.

The total number of people is given as follows:

58 + 164 + 215 + 25 = 462.

Out of these people, 25 prefer mountain bike, hence the relative frequency is given as follows:

25/462.

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Answer:

1:16

Step-by-step explanation:

The ratio of the sides of similar figures is actually called a scale factor. The ratio of the areas is the scale factor squared

scale factor= 1:4

ratio of areas=1^2:4^2

=1:16

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To find the length of A'B', we first need to find the coordinates of A' and B' after the dilation. The length of A'B' is 6√20.

Using the formula for dilation:
A' = 6*(-2,5) + (-4,8) = (-16,38)
B' = 6*(2,3) + (-4,8) = (8,26)
Now that we have the coordinates of A' and B', we can use the distance formula to find the length of A'B':
A'B' = √[(8 - (-16))^2 + (26 - 38)^2]
= √[(24)^2 + (-12)^2]
= √(720)
= 12√5
Therefore, the length of A'B' after the dilation is 12√5.
To find the length of A'B', the image of AB after a dilation by a factor of 6 centered at point C(-4, 8), you can follow these steps:
1. Find the length of AB using the distance formula: √((x2 - x1)² + (y2 - y1)²) = √((2 - (-2))² + (3 - 5)²) = √(4² + (-2)²) = √(16 + 4) = √20.
2. Calculate the length of A'B' using the dilation factor: A'B' = Dilation Factor × Length of AB = 6 × √20 = 6√20.

Hence, So, the length of A'B' is 6√20.

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Answer: 2 ribbons can be cut

Since 3/4 divided by 1/3 = 2.25, therefore you can make 2 full sized ribbons. He will have 3/4 of a ribbon left.

Answer:

S = 27/8

Step-by-step explanation:

We need to find the actual sum of \(1\dfrac{3}{4}+1\dfrac{5}{8}\).

We need to find how much Devid grew in two years.

\(1\dfrac{3}{4}=\dfrac{7}{4}\)

and

\(1\dfrac{5}{8}=\dfrac{13}{8}\)

Sum means,

\(S=\dfrac{7}{4}+\dfrac{13}{8}\\\\=\dfrac{7(2)+13}{8}\\\\=\dfrac{14+13}{8}\\\\=\dfrac{27}{8}\)

Hence, the answer is 27/8.

Answer:

B. Root 74

Step-by-step explanation:

a^2 + b^2 = c^2

5^2 + 7^2 = c^2

74. = c^2

Square root

C is root 74

Hope this helps!

The speed of River's mom drove for 10 miles distance is 0.234 mph

The speed of  River's mom drove for 25 miles is 10.234 mph  

Speed is measured as distance moved over time. The formula for speed is speed = distance ÷ time. To work out what the units are for speed, you need to know the units for distance and time. In this example, distance is in metres (m) and time is in seconds (s), so the units will be in metres per second (m/s).

here, we have,

Given as :

The first distance cover by River's mom = 10 miles

The rate of speed = x mph

The second distance cover by river's mom = 25 miles

The rate of speed = x + 10 mph

The total driving time = 45 min

Now, According to question

Time = speed/distance

So, 45 =10/x  +  25/(x+10)

Or, 9 =2/x  + 5/(x+10)

Or, 9 × x × ( x + 10 ) = 2 × ( x + 10 ) + 5 x

Or, 9 x² + 90 x = 2 x + 20 + 5 x

Or, 9 x² + 90 x = 7 x + 20

Or, 9 x² + 90 x - 7 x - 20 = 0

Or, 9 x² + 83 x - 20 = 0

Solving this quadratic equation

x = 0.234 , - 9.4567

so, the value is,

I.e x = 0.234 , - 9.4567

now,

We consider x = 0.234

So, The speed for 10 miles distance = x = 0.234 mph

and The speed of 25 miles = x + 10 = 0.234 + 10 = 10.234 mph

Hence The speed of River's mom drove for 10 miles distance is 0.234 mph

and The speed of  River's mom drove for 25 miles is 10.234 mph

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The number of Americans to leave a tip of more than 20% in 1500 is 90

If only 6% of Americans leave a tip of more than 20% for satisfactory service in a restaurant, we can assume that the same proportion of restaurant customers will do so.

Therefore, out of 1,500 restaurant customers, we would expect:

6% of 1,500 = (6/100) x 1,500 = 90

So we would expect 90 restaurant customers to leave a tip of more than 20%.

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the tangent of the angle, which we can then use to calculate the angle in degrees. Therefore, angle = tan-1(6/13) = 65.2 degrees.

b. 65.2

To find the measure of the angle, we need to use the inverse tangent (tan-1) function.

angle = tan-1(6/13)

angle = 65.2

We need to use the inverse tangent (tan-1) function to calculate the measure of the angle. To do this, we need to divide the height of the pole (6 meters) by the length of the ribbon (13 meters). This will give us the tangent of the angle, which we can then use to calculate the angle in degrees. Therefore, angle = tan-1(6/13) = 65.2 degrees.

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(a) The inverse z-transform of X(2) is r[n] = 8δ[n-2] + 3δ[n-2].

(b) The inverse z-transform of X(2) is r[n] = 7δ[n-2] + 3δ[n-2] + 2δ[n-2].

(c) The inverse z-transform of X(2) is r[n] = 22(-0.75)^n + 0.125(-2)^n.

(a) The inverse z-transform of X(2) is obtained by replacing z with the unit delay operator δ[n-2], which represents a shift of the signal by 2 units to the right. Since X(2) has two terms, we multiply each term by the corresponding δ[n-2] to obtain the inverse z-transform r[n] = 8δ[n-2] + 3δ[n-2].

(b) Similar to (a), we replace z with δ[n-2] and multiply each term in X(2) by the corresponding δ[n-2]. This yields the inverse z-transform r[n] = 7δ[n-2] + 3δ[n-2] + 2δ[n-2].

(c) For X(2), we have a geometric series with a common ratio of -0.75 or -2, depending on the absolute value of the term. By applying the inverse z-transform, we obtain r[n] = 22(-0.75)^n + 0.125(-2)^n.

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Spherical harmonics are an integral part of quantum mechanics. They describe the shape of the orbitals, which electrons occupy in atoms. Moreover, the spherical harmonics provide the angular distribution of a wave in spherical coordinates. In 3D, the spherical harmonics can be written as:

Ylm(θ, φ) = √(2l + 1)/(4π) * √[(l - m)!/(l + m)!] * Plm(cosθ) * e^(imφ)

Here, l and m are known as the angular quantum numbers. They define the shape and orientation of the orbital. Plm(cosθ) represents the associated Legendre polynomial, and e^(imφ) is the exponential function. The spherical harmonics have various forms, including:

Y1,1 = -Y1,-1 = 1/2 √(3/2π) sinθe^(iφ)

Y1,0 = 1/2 √(3/π)cosθ

Y2,2 = 1/4 √(15/2π)sin²θe^(2iφ)

Y2,1 = -Y2,-1 = 1/2 √(15/2π)sinθcosφ

Y2,0 = 1/4 √(5/π)(3cos²θ-1)

Y0,0 = 1/√(4π)

The spherical harmonics have various applications in physics, including quantum mechanics, electrodynamics, and acoustics. They play a crucial role in understanding the symmetry of various systems. Hence, the spherical harmonics are an essential mathematical tool in modern physics. Thus, this is how one can show another form for spherical harmonics.

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Answer:

15%

Step-by-step explanation:

plug your numbers to the equation

(85-74)/74 then multiply that by 100

then move the decimal right 2 places

Answer:

15%

First of all, you need to find the difference between 85 min and 74 min.

85-74=11 min

Now, we need to find %increase-

increase/Original *100

11/74*100=

14.8648648649

= 14.8

15% if you were to round.

Sasha’s daily tips this week were $43, $32, $65, $88, $50, and $72. Is Sasha correct in thinking that the mean accurately represents how much money she makes in daily tips?

a. Yes, Sasha is correct. The mean amount she makes is $\(58.33\) in a day.

b. Yes, Sasha is correct. The mean amount she makes is $65.33 in a day.

c. No, Sasha is incorrect. The median amount she makes is $53.00 in a day.

d. No, Sasha is incorrect. The median amount she makes is $60.00 in a day.

a. Yes, Sasha is correct. The mean amount she makes is $58.33 in a day.

Gather all of Sasha's daily tips, we will add them all and divide them by the number of tips on the workweek. We will get:

\(\frac{43 + 32 + 65 + 88 + 50 + 72}{6} = \frac{350}{6} = 58.3333333\)

When rounding \(58.333..\) we get an answer of \(58.33\)

Answer:

2.38

Step-by-step explanation:

1.40 / 2.5 = 0.56

0.56*4.25 = 2.38

As you can see above the given polynomial simplified is equal to:

The leading coefficient is the coefficient of the term of highest degree.

The term with highest degree in the given polynomial is:

The expression cos (125°) - cos 55° cos 35° cos 55° can be written as cos (55°) + cos (55°) cos (35°) cos (55°).

cos (125°) can be rewritten as cos (180° - 125°). Similarly, cos (35°) can be rewritten as cos (180° - 35°). Therefore, the expression can be written as:

cos (180° - 125°) - cos (55°) cos (180° - 35°) cos (55°)

Simplifying further, we have:

cos (55°) - cos (55°) cos (145°) cos (55°)

Since 145° is the supplement of 35°, we can rewrite it as:

cos (55°) - cos (55°) cos (180° - 35°) cos (55°)

Now, cos (180° - 35°) is equal to -cos (35°). Therefore, the expression becomes:

cos (55°) + cos (55°) cos (35°) cos (55°)

Hence, the expression as a function of an acute angle is:

cos (55°) + cos (55°) cos (35°) cos (55°)

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Answer:

This system has one answer.

Step-by-step explanation:

This system only has one answer which are: x=1  y=2

Hope this helped! :)

Answer:

(y,x) =(14,5)

Step-by-step explanation:

im in 10th grade

Answer:

3√x^5/=15√x

   5√x^2=10√x  

Step-by-step explanation:

multiply 5 by 3.

multiply 2 by 5.

Answer:

he should have multiplied

Step-by-step explanation:

In step 1 [($22.75 + 3) + $32.75 − $14.25] ⋅ 1 over 5 it should have been[($22.75 * 3) + $32.75 − $14.25] ⋅ 1 over 5

Step-by-step explanation:

Answer:

2x(7x-2)

Good Luck!!!

Answer is : 9692

cxcvbnm

The order of events from least likely to most likely are as follows:

The reason for this order is because of the chances of each event occurring. Event D has the least chance of occurring because no numbers in the set have a value less than or equal to 0. Event A is the next least likely because only one number in the set is greater than 0, which is the number 1. Event C is the next least likely because only two numbers in the set are at least 2 (2 and 3). Event B is the next least likely, as there are only five even numbers in the set (2, 4, 6, 8, and 10). Events E, F, G, and H are the most likely to occur, because of the number of numbers that are divisible by 3, and 5, and are prime numbers.

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Answer:

The range is what your output can be. If x is your input, then y is your output. So in this case the range is whatever y is. It looks like your line is y=6. So that's the answer.

Given:

Consider the equations are

\(3x+4y=7\)

\(4x+3y=9\)

To find:

The value of x-y.

Solution:

We have,

\(3x+4y=7\)        ...(i)

\(4x+3y=9\)        ...(ii)

Subtracting (i) from (ii), we get

\(4x+3y-(3x+4y)=9-7\)  

\(4x+3y-3x-4y=2\)  

\((4x-3x)+(3y-4y)=2\)  

\(x-y=2\)

Therefore, the value of x-y is 2.