Find the values of x and y.
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Part 1
x

41 ​(Do not include the degree symbol in your​ answer.)
Part 2
y

enter your response here ​(Do not include the degree symbol in your​ answer.)

12 mygs will cost 27, and 5 flasks will cost 30

1 U.S. tablespoon is equivalent to 0.5 U.S. fluid ounces. A U.S. tablespoon is a unit of volume commonly used in cooking and baking, and it is equivalent to 3 teaspoons or 0.5 fluid ounces.

A fluid ounce is also a unit of volume, but it is typically used to measure liquids, such as water or milk. One U.S. fluid ounce is equal to 2 tablespoons, so 1 U.S. tablespoon is half of a U.S. fluid ounce. It is important to use the correct unit of measurement when following a recipe or measuring ingredients to ensure that the final result turns out as expected.

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To find the enthalpy change (ΔH) for the reaction, we can use the concept of Hess's Law, which states that the enthalpy change of a reaction is independent of the pathway taken and depends only on the initial and final states.

Given the reactions:

1) I2(g) + F2(g) -> 2IF(g)      ΔH = -390 kJ/mol

2) I2(g) + 3F2(g) -> 2IF5(g)   ΔH = -745 kJ/mol

We can see that the reaction we want to determine the enthalpy change for (5IF3(g) -> 5IF(g) + F2(g)) can be obtained by combining these two reactions. By manipulating the reactions, we can cancel out the common species (I2(g)) to get the desired reaction.

If we double reaction 1 and subtract reaction 2 from it, we obtain:

2(I2(g) + F2(g)) - (I2(g) + 3F2(g)) -> 2IF(g) + F2(g)

This simplifies to:

I2(g) - F2(g) -> IF(g) + F2(g)

Now we have the desired reaction with the enthalpy change equal to the difference between the enthalpy changes of the reactions involved:

ΔH = ΔH(reaction 1) - ΔH(reaction 2)

ΔH = (-390 kJ/mol) - (-745 kJ/mol)

ΔH = 355 kJ/mol

Therefore, the enthalpy change for the reaction 5IF3(g) -> 5IF(g) + F2(g) is 355 kJ/mol.

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Answer:

-9x^2-9x-6

Step-by-step explanation:

You add like terms together only

-10x2(squared) - 9x - 6

Remove parentheses

The work done during the reversible isothermal compression of the gas is approximately -119.63 Joules. The negative sign indicates that work is done on the system during compression.

To calculate the work done during the reversible isothermal compression of an ideal gas, we can use the formula:

Work = -nRT ln(Vf/Vi)

Where:

- n is the number of moles of the gas

- R is the ideal gas constant (8.314 J/(mol·K))

- T is the temperature in Kelvin

- Vi is the initial volume

- Vf is the final volume

Given:

n = 0.05 mol

R = 8.314 J/(mol·K)

Vi = 12 L

To calculate the work done for the given pressure change, we need to find the final volume (Vf). We can use the ideal gas law to relate pressure, volume, and moles:

PV = nRT

Initial pressure (Pi) = 2.5 atm

Final pressure (Pf) = Pi + pressure change = 2.5 atm + 15 atm = 17.5 atm

Using the ideal gas law, we can solve for Vf:

Vf = (nRT) / Pf

Vf = (0.05 mol * 8.314 J/(mol·K) * T) / (17.5 atm)

Since the process is isothermal, the temperature remains constant. Let's assume it is 298 K:

Vf = (0.05 mol * 8.314 J/(mol·K) * 298 K) / (17.5 atm)

Vf ≈ 8.483 L

Now we can calculate the work done using the equation:

Work = -nRT ln(Vf/Vi)

Work = -(0.05 mol * 8.314 J/(mol·K) * 298 K) * ln(8.483 L / 12 L)

Work = -(0.05 mol * 8.314 J/(mol·K) * 298 K) * ln(8.483 L / 12 L)

Calculating the expression:

Work = -(0.05 mol * 8.314 J/(mol·K) * 298 K) * ln(0.7069)

Using a scientific calculator or math software to evaluate the natural logarithm:

Work ≈ -119.63 J

Therefore, the work done during the reversible isothermal compression of the gas is approximately -119.63 Joules. The negative sign indicates that work is done on the system during compression.

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The general solution of the associated homogeneous differential equation \(y'' + 2y' + 2y = 0\) is given by

             \(y_h = c₁ e^(-x) cos(x) + c₂ e^(-x) sin(x)\)

We can use the method of undetermined coefficients or variation of parameters to find y_p, depending on the form of g(x).

For each of problems 4 through 9, we need to find the general solution of the given differential equation.

Problem:

             \(4y'' + 4y' + 13y = 0\)

By solving the auxiliary equation \(r² + 4r + 13 = 0,\)

we get

         \(r = -2 + 3i, -2 - 3i.\)

Hence, the general solution is

          \(y = c₁ e^(-2x) cos(3x) + c₂ e^(-2x) sin(3x)\)

Problem: \(5y'' + 4y' + 3y = 0\)

By solving the auxiliary equation \(r² + 4r + 3 = 0,\)

we get

          \(r = -2 + √1, -2 - √1.\)

Hence, the general solution is

     \(y = c₁ e^(-x) + c₂ e^(-3x)\)

Problem \(6y'' + y = 0\)

By solving the auxiliary equation \(r² + 1 = 0\),

we get

             r = -i, i.

Hence, the general solution is

           \(y = c₁ cos(x) + c₂ sin(x)\)

Problem\(7y'' - 3y' - 4y = 0\)

By solving the auxiliary equation \(r² - 3r - 4 = 0\),

we get

  r = 4, -1.

Hence, the general solution is

            \(y = c₁ e^(4x) + c₂ e^(-x)\)

Problem \(8y'' + 3y' + 2y = 0\)

By solving the auxiliary equation \(r² + 3r + 2 = 0,\)

we get

              r = -1, -2.

Hence, the general solution is

                  \(y = c₁ e^(-x) + c₂ e^(-2x)\)

Problem:

               \(9y'' + 2y' + 2y = g(x)\)

This is a non-homogeneous differential equation.

The general solution of the associated homogeneous differential equation \(y'' + 2y' + 2y = 0\) is given by

       \(y_h = c₁ e^(-x) cos(x) + c₂ e^(-x) sin(x)\)

For the non-homogeneous equation, the general solution is given by

      \(y = y_h + y_p\)

Where y_p is any particular solution of the non-homogeneous differential equation.

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The length of the rectangle, L, is equal to W multiplied by a certain factor or ratio, representing the relationship between the length and width.

To express the length of the rectangle, L, in terms of the width, W, we can establish a relationship between the two dimensions.

Let's assume the length is twice the width. Therefore, we can write:

L = 2W

This equation states that the length (L) is equal to two times the width (W). The length is directly proportional to the width in this scenario.

Alternatively, if we assume the length is three times the width, we can write:

L = 3W

In this case, the length (L) is equal to three times the width (W).

The relationship between the length and width can vary depending on the specific conditions or requirements of the rectangle. However, by establishing an equation that relates the length and width, we can express the length in terms of the width.

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Answer:

0.9156

Step-by-step explanation:

In the picture attached, the data is plotted (I made it using MS Excel, you can use similar programmes or a calculator).

The line that best correlates the data has the following equation:

y = 0.1037x + 50.922

and its correlation coefficient is:

R² = 0.9156

Answer:

Correlation coefficient, r = 0.957

Step-by-step explanation:

Let y represent the weight

Let x represent the height

y                        x                       x²                 y²                     xy

99                     61                      3721            9801               6039

104                    61                      3721            10816              6344

110                     62                     3844           12100              6820

133                     64                     4096           17689             8512

130                     65                     4225           16900            8550

142                     68                     4629           20169            9656

146                     66                     4356           21316              9636

153                     67                     4489           23409            10251

184                     69                     4761            33856            12696

185                     70                     4900           34225            12950

\(\sum y = 1386\), \(\sum x = 653\), \(\sum x^2 = 42737\), \(\sum y^2 = 200276\), \(\sum xy = 91454\)

Correlation coefficient formula,

\(r = \frac{n \sum xy - \sum x \sum y}{\sqrt{(n \sum x^2 - (\sum x)^2) (n \sum y^2 - (\sum y)^2)} } \\r = \frac{10* 91454 - 653*1386}{\sqrt{(10* 42737 - (653)^2) (10* 200276 - (1386)^2)} }\)        

Correlation coefficient, r = 0.957

Step-by-step explanation:

Money = Rs 1800

Ratio = 2:3:4

1st Person = 2x

2nd Person = 3x

3rd Person = 4x

X = ?

2x + 3x + 4x = 1800

9x = 1800

X = 200

1st Person = 2x = 2×200 = Rs 400

2nd Person = 3x = 3×200 = Rs 600

3rd Person = 4x = 4×200 = Rs 800

Let's write the ration as a fraction:

1 cm to 1.5 cm

Ratio : 1/1.5 but we need to write it without decimals,

1/1.5 = 2/3 (multiplying by 2 numerator and denominator)

K, the correct answer is 2/3

Answer:

5√3 is the simplified radical expression.

D. f(x) has an odd degree and is an odd function

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

The graph

A function is said to be odd if the function is symmetrical about the origin

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

The graph is an odd function

This is because it is symmetrical about the origin

Also, the function has an odd degree

This is because the multiplicity of the zero is 3

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To find the set of parametric equations for the rectangular equation y = 3x - 4, we need to express x and y in terms of a parameter, say t. Let us assume that t = 0 at the point (4, 8).

First, we can write x in terms of t as x = 4 + at, where a is some constant. To find the value of a, we can use the fact that y = 3x - 4. Substituting x = 4 + at in this equation, we get y = 3(4 + at) - 4 = 12 + 3at. So, the set of parametric equations for y and x are:

x = 4 + at
y = 12 + 3at

Note that these parametric equations are not unique. We could have chosen a different parameterization, say t = 1 at the point (4,8), and obtained a different set of parametric equations. However, the given condition specifies the starting point and therefore determines the parameterization.

In summary, we can find a set of parametric equations for a rectangular equation by expressing x and y in terms of a parameter, using the given condition to determine the starting point, and choosing a suitable parameterization.

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Answer:

Step-by-step explanation:

7?

Answer:

3 days and 8 hours

Step-by-step explanation:

80 ÷ 24 = 3.3333333333 (you get what i mean)

3 days and .3333333333 more of a day

24 ÷ 3 = 8

8 hours

3 days and eight hours

HOPE THIS HELPS

PLZZ MARK BRAINLIEST  

Through the given information in the question, the value of x could be 12.

The perimeter of a rectangle is the total distance around the outside of the rectangle. It is calculated by adding together the length of all four sides of the rectangle. If the length of the rectangle is denoted by 'l' and the width is denoted by 'w', then the formula for the perimeter (P) of the rectangle is:

P = 2l + 2w

Alternatively, the formula can also be written as:

P = 2(l + w)

The perimeter of a rectangle is given by the sum of the lengths of all four sides. Therefore, we can write:

AB + BC + CD + DA = 22

We know that AB = CD = 9 since they are opposite sides of the rectangle. We also know that DA = BC = x - 5, since they are the other two sides of the rectangle.

Substituting these values into the perimeter equation, we get:

9 + x - 5 + 9 + x - 5 = 22

Simplifying the equation, we get:

2x - 2 = 22

2x = 24

x = 12

Therefore, the value of x could be 12.

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The paths of two particles are described by parametric equations. The first particle follows a circular path, while the second particle follows a path with both circular and linear components.

We need to graph the paths and determine the number of points of intersection.

Additionally, we need to find the collision point where the particles occupy the same position at the same time.

Lastly, we need to determine if there is a collision when the x-coordinate of the second particle is modified.

(a) To graph the paths of both particles, we plot the parametric equations x1 = 3sin(t), y1 = 2cos(t) and x2 = -3 + cos(t), y2 = 1 + sin(t) on a coordinate plane for 0 ≤ t ≤ 2π. The paths of the particles will be represented by curves. By analyzing the graph, we can count the number of points of intersection.

(b) To find the collision point, we need to find the values of t where x1 = x2 and y1 = y2 simultaneously. By setting 3sin(t) = -3 + cos(t) and 2cos(t) = 1 + sin(t), we can solve for t. The obtained value(s) of t will give us the collision point (x, y) where the particles occupy the same position at the same time.

(c) If the x-coordinate of the second particle is modified to x2 = 3 + cos(t), we need to repeat the process of finding the collision point. By setting 3sin(t) = 3 + cos(t) and 2cos(t) = 1 + sin(t), we solve for t. Depending on the solution(s) of t, we can determine if there is still a collision or not.

Please note that since this question involves graphing and solving equations, it is best to draw the graphs and solve the equations visually or using numerical methods to obtain specific values.

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Answer:  B. Probability

For example, let's say you want to know the probability of flipping tails.

There's 1 way to get tails out of 2 sides total. So 1/2 = 0.5 is the probability of flipping tails.

We define "success" as "getting tails".

The work done by the force of 3 pounds acting in the direction 2i+j in moving an object 2 feet from (0,0) to (0.2) is (6•√5)/5 foot-pounds.

To find the work done by the given force, we need to first calculate the displacement and then use the formula for work done.

Calculate displacement:

The object moves from (0,0) to (0.2), so the displacement is:

Δr = (0.2 - 0)i + 0j = 0.2i

Calculate the magnitude of displacement:

|Δr| = √(0.2²) = √0.04 = 0.2

Calculate the unit vector in the direction of displacement:

uΔr = Δr/|Δr| = (0.2i)/0.2 = i

Calculate the angle between the force and the displacement:

θ = cos⁻¹[(2i+j)•i/(|2i+j||i|)] = cos⁻¹(2/√5)

Calculate the work done:

W = F•d•cosθ

= (3 pounds)•(0.2 feet)•cos(cos⁻¹(2/√5))

= (3•0.2•2/√5) foot-pounds

= (6/√5) foot-pounds

= (6•√5)/5 foot-pounds

Therefore, the work done by the force of 3 pounds acting in the direction 2i+j in moving an object 2 feet from (0,0) to (0.2) is (6•√5)/5 foot-pounds.

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The equation for distance of the flowerbed from the hive.

(d/10)+(d/6) = 240

The distance of  the flowerbed from the​ hive = 900ft

To calculate speed, divide the journey's distance by the time it took to travel, so speed = distance divided by time. Divide the distance by the speed to get the time. Multiply speed by time to find the distance. These equations can be simplified to s=d/t, where s represents speed, d is distance, and t is time.

Let the distance of flower bed from hive to be = d

Time the bee stays at the flower bed = 11

Time the bee is away from the hive = 15

Time the bed was flying to the flower bed and back to the hive will be;

15 -11=4 minutes--------------changes to seconds by multiplying by 60

=4*60

=240 seconds

Formular for time is Distance/speed

Time of fright=240 seconds

Form expression for time of flying;

Time for flying from hive to flowerbed= d/10ft/s

Time for flying from flower bed to Hive= d/6ft/s

Solving these two equation we get:

A. (d/10)+(d/6) = 240

B. distance of  the flowerbed from the​ hive:

(8d/30) = 240

8d = 7200

d = 7200/8

d = 900

The distance of  the flowerbed from the​ hive = 900ft

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I understand that the question you are looking for is:

A bee flies at 10 feet per second directly to a flowerbed from its hive. The bee stays at the flowerbed for 11 ​minutes, and then flies directly back to the hive at 6 feet per second. It is away from the hive for a total of 15 minutes. a. What equation can you use to find the distance of the flowerbed from the​ hive?

a. Write the equation. Let d be the distance of the flowerbed from the hive.

b. How far is the flowerbed from the​ hive?

Question 1:

In order to solve this question, we use the combination formula. We can select 4 marbles from 15 marbles and hence the solution is given by:

\($${{15}\choose{4}} = \frac{15!}{4!11!} = 1365$$\)

Question 2:

In order to solve this question, we can select 4 red marbles from 10 marbles of red color. Hence the solution is given by:

\($${{10}\choose{4}} = \frac{10!}{4!6!} = 210$$\)

Question 3:

In order to solve this question, we can select 2 red marbles from 10 red marbles and 2 white marbles from 5 white marbles. Hence the solution is given by:

\($${{10}\choose{2}} \times {{5}\choose{2}}= \frac{10!}{2!8!} \times \frac{5!}{2!3!}= 45 \times 10 = 450$$\)

Hence the answers are as follows: (i) 1365  (ii) 210  (iii) 450

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To solve this problem, we can use the Poisson distribution formula.

The formula is P(X ≤ 10) = e^(-λ) ∑(k=0 to 10) (λ^k / k!) where λ is the average rate of customers per hour, which is 17.

Substituting the values,

we get P(X ≤ 10) = e^(-17) ∑(k=0 to 10) (17^k / k!)

Using a calculator, we get P(X ≤ 10) = 0.2588 or 25.88%. This means that during a given hour, the probability that 10 or fewer customers will arrive at the drive-thru is 25.88%.

It is important to note that the Poisson distribution assumes that the arrival rate is random and constant. In reality, there may be factors that affect the arrival rate, such as time of day, day of the week, and weather conditions. However, the Poisson distribution can still be a useful tool in predicting customer arrivals and managing staffing levels.

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Answer:

C

Step-by-step explanation:

If the ratio of people per tower is ~20.83, then multiply that by 624, which equals 13,000.

Complete the proportions in the answer choices to find which one would give you 13,000.

Answer:

D

1.3 times 4.5 is 5.85

Answer:

D

Step-by-step explanation:

BRAINLYEST please

Answer:

I think it's c sorry if im wrong

Answer:.

Step-by-step explanation

first thing is you are going to have to add

joe then nuts, then boom. You have your answer

The profit from selling 10 wallets is approximately 6.06% of the discounted cost price the retailer paid for the wallets.

To find the profit from selling 10 wallets as a percentage of the discounted cost price, we'll follow these steps:

Let's assume the cost price of one wallet is 'x' dollars.

The retailer sells the wallet at a profit of 65% on the cost price. Therefore, the selling price of one wallet is (cost price + 65% of cost price):

Selling Price = x + 0.65x = 1.65x

The supplier gives the retailer a discount of 20%. So, the retailer pays 80% of the selling price to the supplier. The discounted cost price per wallet is:

Discounted Cost Price = 80% of Selling Price = 0.8 × 1.65x = 1.32x

The retailer further reduces the normal selling price by 15%. The discounted selling price per wallet is:

Discounted Selling Price = Selling Price - 15% of Selling Price = 1.65x - 0.15 × 1.65x = 1.4x

To calculate the profit, we subtract the discounted cost price from the discounted selling price:

Profit per Wallet = Discounted Selling Price - Discounted Cost Price = 1.4x - 1.32x = 0.08x

Now, to find the profit from selling 10 wallets, we multiply the profit per wallet by the number of wallets:

Total Profit = Profit per Wallet × Number of Wallets = 0.08x × 10 = 0.8x

Finally, we calculate the profit as a percentage of the discounted cost price:

Profit Percentage = (Total Profit / (Discounted Cost Price × Number of Wallets)) × 100

Profit Percentage = (0.8x / (1.32x × 10)) × 100 = (0.8 / 13.2) × 100 ≈ 6.06%

Therefore, the profit from selling 10 wallets is approximately 6.06% of the discounted cost price the retailer paid for the wallets.

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Answer:

i just know

Step-by-step explanation:

-2x+3=6:

x= -3/2

-2x + 3 < 6:

x  > −3/2