Adar, Chi, and Melissa each left the party by themselves. In how many different orders can they leave?

A. 5
B. 6
C. 7
D. 9

The series to 10 term is

1 + 2 + 4 + 8 + 16 + 32 + 64 + 128 + 256 + 512

An equation that represents a sequence based on a rule is called a recurrence relation.

Finding the following term, which is dependent upon the prior phrase, is made easier (previous term). We can readily predict the following term in a series if we know the preceding term.

The term is predicted by multiplying the preceding term by 2

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Answer:

I believe that it is the first one.

Step-by-step explanation:

It will take (18,000 - Y) ÷ X minutes to drain the pool so that it holds less than Y gallons of water .

To solve this problem, we need to use a simple formula:

Time = Amount of Water ÷ Rate of Drain

We know that the amount of water in the pool is 18,000 gallons. We also know that the pump drains the pool at a certain rate, which is not given in the question. Therefore, we need to find out the rate of drain first.

Let's say that the pump drains the pool at a rate of X gallons per minute. This means that in one minute, X gallons of water will be drained from the pool. Therefore, the amount of water left in the pool after one minute of draining will be:

18,000 - X

Similarly, after two minutes of draining, the amount of water left in the pool will be:

18,000 - 2X

We can continue this pattern to find the amount of water left in the pool after any given number of minutes of draining.

Now, we need to find out how many minutes it will take to drain the pool so that it holds less than Y gallons of water. Let's say that Y is the given amount of water.

We can set up an equation using the formula above:

Time = Amount of Water ÷ Rate of Drain

Time = (18,000 - Y) ÷ X

Simplifying this equation, we get:

Time = 18,000 ÷ X - Y ÷ X

Time = (18,000 - Y) ÷ X

Therefore, it will take (18,000 - Y) ÷ X minutes to drain the pool so that it holds less than Y gallons of water.

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The value of x in the given equation will be 2/5

From the data,

We have to determine the value of x.

The given equation is: 18x-16=-12x-4

For determining the value of x, we will first shift the like terms on one side of the equation.

So, for solving the value of x we will shift the terms containing x and the constant on both sides of the equation.

So, shifting -12x from the right-hand side of the equation to the left-hand side of the equation,

We will get it as:

18x+12x = -4+16

30x=12

Now for solving the value of x we will shift x from the left side of the equation to the right side of the equation.

So, the value of x will be = 12/30 = 2/5

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The correct question may be:

What is the value of x

18x-16=-12x-4

Enter your answer in the box.

First make the graph of the functions, then  if the two graphs are symmetric with respect to the line y = x (mirror images over y = x ), then they are inverse functions.

Symmetric

A figure or shape that can be divided into two equal parts by a line is called symmetric figures.

Inverse Functions

The inverse function of a function f  is a function that undoes the operation of f. The inverse of f exists if and only if f is bijective, and if it exists, is denoted by F^-1.

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Answer:

Radius = 4.95 cm

Step-by-step explanation:

I am assuming you need the radius of the base of the cylinder.

Volume = 1.54 * 1000 = 1540 cm^3

Volume = πr^2h so:

1540 =  π*r^2*20

r^2 = 1540/20 π = 24.510

r = 4.95 cm.

The data for relative humidity levels in operating rooms at local hospitals must be continuous.

For given question,

Continuous data is a type of numerical data that refers to the unspecified number of possible measurements between two points.

These numbers are not always clean and tidy like those in discrete data, as they're usually collected from precise measurements.

Variables in these data sets often carry decimal points.

When values in a data set are countable and can only take certain values, it is called discrete data.

In this question,

we need to find the type of data for relative humidity levels in operating rooms at local hospitals.

The data records of relative humidity levels carry decimal points.

Therefore, the data for relative humidity levels in operating rooms at local hospitals must be continuous.

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Answer:

3/8 easy-peasy

Step-by-step explanation:

Answer:

C. 59

Step-by-step explanation:

Hello There!

Remember the angles in a triangle add up to equal 180

So if we want to find a missing angle we subtract the given angles ( in this case 65 and 56) from 180

So missing angle = 180 - 65 - 56

180 - 65 = 115

115 - 56 = 59

So we can conclude that the missing angle has a measure of 59 degrees

Answer:

C: 59

Step-by-step explanation: His explanation is correct, I did it myself.

In summary, to sketch a region in the plane consisting of points whose polar coordinates satisfy the given conditions, we need to identify the range of values for the radius and angle that satisfy the conditions, plot points using these values, and connect them to form the region.

To sketch the region in the plane consisting of points whose polar coordinates satisfy the given conditions, we need to first understand what the conditions are. In this case, the conditions are not provided, so it's difficult to give a specific answer. However, generally speaking, polar coordinates represent a point in the plane using a radius and an angle. The radius is the distance from the origin to the point, and the angle is the angle formed between the positive x-axis and a line drawn from the origin to the point.
To sketch a region in polar coordinates, we need to identify the range of values for the radius and angle that satisfy the given conditions. We can then plot points in the plane using these values and connect them to form the region.
For example, if the conditions were that the radius must be greater than 2 and the angle must be between pi/4 and 3pi/4, we would plot points with polar coordinates (r, theta) where r > 2 and pi/4 < theta < 3pi/4. We would then connect these points to form the region.

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Answer:

b= -4

Step-by-step explanation:

The radius of the oatmeal container is 0.2 inches.

The surface area of the plastic is 0.08π square inches

The base and lid are made of plastic and have a radius of R.

The base and lid have a combined surface area of:

πr² + πr² = 2πr² square inches

The total surface area of the oatmeal container is 40 square inches.

The surface area of the cardboard is 16πr square inches and the surface area of the plastic is 2πr² square inches.

Thus, we have the equation:

40 = 16πr + 2πr²

We can solve for R as follows:

16πr + 2πr² = 40

2πr^2 + 16πr - 40 = 0

2πr^2 + 20πr - 4πr - 40 = 0

20r(πr + 2) - 4(πr + 2) = 0

(20r - 4)(πr + 2) = 0

20r - 4 = 0 or πr + 2 = 0

20r = 4 or πr = -2

r = 0.2

Thus, the radius of the oatmeal container is 0.2 inches.

The surface area of the plastic is 2πr² = 2π(0.2)² = 0.08π square inches

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The equivalent expressions for the costs are 8 * (14 + c) and 112 + 8c

The given parameters are:

Number of uniform = 8

Cost of each = $14

The cost of the uniforms and the shorts is then calculated as:

Cost = Number of uniforms * (Cost of uniform + Cost of short)

This gives

Cost= 8 * (14 + c)

Expand

Cost = 112 + 8c

Hence, the equivalent expressions for the costs are 8 * (14 + c) and 112 + 8c

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The fine amount for a speed of 50 mph would be $235. the fine amount for a given speed (s) in North Washington, taking into account the excess speed over the limit and a base fine.

In a North Washington country, the formula to determine speeding fines is given by f(s) = 13(s - 35) + 40. Let's break down the formula and understand its components.

The formula represents the relationship between the fine amount (f) and the speed of the vehicle (s). The speed of the vehicle is denoted by the variable s.

The term (s - 35) represents the difference between the speed of the vehicle and the speed limit. By subtracting 35 from the speed of the vehicle, we obtain the excess speed over the limit.

Multiplying the excess speed by 13 indicates that the fine increases by $13 for every unit of excess speed over the limit.

Adding 40 to the product of 13(s - 35) ensures that there is a base fine amount, even if the excess speed is zero. The constant term of 40 represents this base fine.

Therefore, the formula f(s) = 13(s - 35) + 40 calculates the fine amount for a given speed (s) in North Washington, taking into account the excess speed over the limit and a base fine.

To determine the specific fine amount for a particular speed, substitute the speed value into the formula. For example, if the speed of the vehicle is 50 mph:

f(50) = 13(50 - 35) + 40

      = 13(15) + 40

      = 195 + 40

      = 235

In this case, the fine amount for a speed of 50 mph would be $235.

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In the context of Range Safety and Risk Mitigation, the ability to detect, assess, and respond to potential hazards is essential.

Range safety and risk mitigation involve identifying and minimizing potential hazards associated with range operations, such as the launch or test of rockets, missiles, or unmanned aerial vehicles. To ensure safety, it is critical to have the ability to detect and assess potential hazards, such as debris, vehicle or equipment malfunctions, and human error. Once hazards have been identified and assessed, the next step is to develop and implement appropriate safety measures to mitigate the risk associated with those hazards. These measures may include the use of safety protocols, engineering controls, or administrative procedures to ensure that all personnel and equipment are protected. In summary, the ability to detect, assess, and respond to potential hazards is critical for effective range safety and risk mitigation. By implementing appropriate safety measures and protocols, the risks associated with range operations can be minimized, ensuring the safety of personnel and equipment.

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To create a 90% confidence interval with a margin of error of 4%, the researcher should survey at least 424 students.

To calculate the sample size needed for a 90% confidence interval with a margin of error of 4% (0.04) when estimating the true proportion of students who have a job in addition to attending school, without a preliminary estimate, follow these steps:

1. Identify the desired confidence level (90%) and find the corresponding z-score (z-value). For a 90% confidence level, the z-score is 1.645.

2. Determine the margin of error, which is given as 4% or 0.04.

3. Since no preliminary estimate is available, use 0.5 (50%) as the proportion. This is the most conservative estimate and will result in the largest required sample size.

4. Use the formula for calculating the sample size (n) for proportions:

  n = (Z^2 * P * (1-P)) / E^2

  Where:
  - n is the required sample size
  - Z is the z-score (1.645 for a 90% confidence level)
  - P is the estimated proportion (0.5)
  - E is the margin of error (0.04)

5. Plug the values into the formula:

  n = (1.645^2 * 0.5 * (1-0.5)) / 0.04^2

6. Calculate the result:

  n ≈ 423.06

Since you cannot have a fraction of a student, round up the result to the nearest whole number:

  n = 424

Therefore, to create a 90% confidence interval with a margin of error of 4%, the researcher should survey at least 424 students.

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Answer:

80 hope this helps!

Step-by-step explanation:

Answer:

Step-by-step explanation:

I hope this helps!

Answer:

Step-by-step explanation:

Accurate estimation of 33% of 146.7

A) Round the percent and find 30% of 146.7

B) Round the number and find 33% of 150

C) Use benchmark percent and find 50%

of 146.7

D) Round the percent and number and

find 30% of 150

E) All of them would be an accurate  estimation

The calculated value of x in the circle is 59

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

The circle

The measure of angle at the center of the circle is calculated as

Center = 2 * 31

So, we have

Center = 62

The sum of angles in a triangle is 180

So, we have

x + x + 62 = 180

This gives

2x = 118

Divide by 2

x = 59

Hence, the value of x is 59

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Memorizing algebra rules can be challenging, but a few strategies may help: Practice, Mnemonics, Repeat, and Use flashcards.

It's important to note that memorizing rules is not the best approach to understanding the concepts, the best approach is to understand the concepts, and the rules will come naturally.

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Answer:

5

Step-by-step explanation:

The LU factorization of matrix A is A = LU, where L = [[1, 0, 0], [-2, 1, 0], [1.5, -3, 1]] and U = [[4, -8, 10], [0, 24, -27], [0, 0, -12.5]].

Let's go step by step to find the LU factorization of matrix A.

Matrix A:

A =

[4, -8, 10]

[-8, 8, -7]

[6, -7, 3]

Step 1:

Initialize the L matrix as an identity matrix of the same size as A.

L =

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

Step 2:

Perform Gaussian elimination to obtain U.

- Multiply the first row of A by (1/4) and replace the first row of A with the result.

A =

[1, -2, 2.5]

[-8, 8, -7]

[6, -7, 3]

- Subtract 8 times the first row of A from the second row of A and replace the second row of A with the result.

A =

[1, -2, 2.5]

[0, 24, -27]

[6, -7, 3]

- Subtract 6 times the first row of A from the third row of A and replace the third row of A with the result.

A =

[1, -2, 2.5]

[0, 24, -27]

[0, 5, -12.5]

Step 3:

Update the L matrix based on the operations performed during Gaussian elimination.

L =

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

Step 4:

The resulting matrix A is the upper triangular matrix U.

U =

[1, -2, 2.5]

[0, 24, -27]

[0, 5, -12.5]

Therefore, the LU factorization of matrix A is:

L =

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

U =

[1, -2, 2.5]

[0, 24, -27]

[0, 5, -12.5]

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The value of z at the end of the procedure is 84.

The term procedure in math is defined as a sequence of mathematical operations carried out in order.

Here we have given that if x was 20 and y was 2.

And here we need to find the value of z.

Here let us consider the the equation of z can be written according to the theorem it can be written as,

=> z = 4x + y²

Here we know the values of x and y then the value of z is calculated as,

=> z  = 4(20) + 2²

When we simplify the equation, then we get,

=> z = 80 +  4

=> z = 84.

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Multiply the price per hour by number of hours and then add the fee for the parts.

The answer would be 40h + 225

The evolution of the function call (things '(11 -2 31)) is as follows:

(things '(11 -2 31)) -> (things '(-2 31)) -> (things '(31)) -> (things '()) -> '() the final result of the given call is '().

The given function is a recursive function called "things" that takes a list as input. It checks if the list is empty (null), and if so, it returns an empty list. Otherwise, it checks if the first element of the list (car x) is greater than 10. If it is, it adds 1 to the first element and recursively calls the "things" function on the rest of the list (cdr x). If the first element is not greater than 10, it subtracts 1 from the first element and recursively calls the "things" function on the rest of the list. The function then returns the result.

Now, let's see the evolution resulting from the call (things '(11 -2 31)):

1. (things '(11 -2 31))

  Since the list is not empty, we move to the next if statement.

  The first element (car x) is 11, which is greater than 10, so we add 1 to it and recursively call the "things" function on the rest of the list.

  The recursive call is (things '(-2 31)).

2. (things '(-2 31))

  Again, the list is not empty.

  The first element (car x) is -2, which is not greater than 10, so we subtract 1 from it and recursively call the "things" function on the rest of the list.

  The recursive call is (things '(31)).

3. (things '(31))

  The list is still not empty.

  The first element (car x) is 31, which is greater than 10, so we add 1 to it and recursively call the "things" function on the rest of the list.

  The recursive call is (things '()).

4. (things '())

  The list is now empty, so the function returns an empty list.

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Answer: $1500

Step-by-step explanation:

Did the quiz on this hope you have a great day.

Answer:

Step-by-step explanation:

1. Write the question.

17 - 2x = -11

2. Subtract 17 from both sides

-17          -17

    - 2x = -28

3. Negatives cancel

      2x = 28

4. Divide both sides by 2

        /2     /2

        x = 14

5. Check the answer, write the equation.

17 - 2x = -11

6. Substitute x with the value

17 - 2(14) = -11

17 - 28 = -11

-11 = -11

The answer is correct!

Hope this helped,

Kavitha

Answer:

green  9/20 chance | red 6/20 or reduced 3/10

Step-by-step explanation: