In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs. Write and solve a proportion to find the number c of cats? I need help ASAP ...

Therefore , the solution to the given problem of equation comes out to be the cost of carpet is $2072.

An equation is referred to as linear when all of the highest powers of the variables are equal to one. The components are interconnected. This kind of issue is also known as a one-degree equation. Learn how to solve a linear equation in one or two variables using the standard form, formula, graph, and instructions in the following paragraphs.

Here,

Given :

floor area of a square feet is 50a + 12h,

where h is the number of hours

Thus.

At t =6 and a =40

So ,

the cost of carpet

=> Cost =  50a + 12h

=> Cost =  50*40 + 12*6

=> Cost = 2000 + 72

=> Cost = 2072

Therefore , the solution to the given problem of equation comes out to be the cost of carpet is $2072.

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Answer:what equation ?

Step-by-step explanation:

Answer:

to what ..............

Answer:

x = -13/9

Step-by-step explanation:

Let's solve your equation step-by-step.

13=−9x

Step 1: Flip the equation.

−9x=13

Step 2: Divide both sides by -9.

Answer:

In order of the questions asked, the answers are, C, D, A, C

Step-by-step explanation:

After three half-lives have elapsed, 12.5% of the original nuclide remains, so the answer is C.

if 17 % is daughter nuclide, then 83% is parent nuclide, so , the answer is D

the isotope for dating organic remains is A. carbon-14

for 25% of original, 2 half-lives must have passed, so we get (2)(5730) = 11460

so the answer is C

To obtain a margin of error of at most 0.075 with 80% confidence, the store manager needs a random sample of 73 customers.

To determine the required sample size for estimating a proportion with a specific margin of error and confidence level, we can use the following formula:

n = (Z^2 * p * (1 - p)) / E^2

Where:

n = required sample size

Z = Z-score corresponding to the desired confidence level (from the z-table)

p = estimated proportion (0.5 for maximum variability if no estimate is available)

E = maximum margin of error

In this case, the desired margin of error is 0.075 and the confidence level is 80%. We need to find the corresponding Z-score for an 80% confidence level. Consulting the z-table, we find that the Z-score for an 80% confidence level is approximately 1.28.

Plugging in the values, we have:

n = (1.28^2 * 0.5 * (1 - 0.5)) / (0.075^2)

n = (1.6384 * 0.25) / 0.005625

n = 0.4096 / 0.005625

n ≈ 72.89

Rounding up to the nearest whole number, the required sample size is 73 customers.

Therefore, to obtain a margin of error of at most 0.075 with 80% confidence, the store manager needs a random sample of 73 customers.

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Answer:

15%

I like your demon slayer profile picture

Answer:

The answer is 15%.

Step-by-step explanation:

If 100 is 10% it only makes since that 15% is the right answer.

Hope This Helps!

Answer:

3,036

Step-by-step explanation:

x=12*253

In response to the supplied query, we may state that Therefore, the area of the circle is approximately 113.1 cm² (rounded to one decimal place).

A circle is created in the plane by each point that is a specific distance from another point (center). Hence, it is a curve made up of points that are separated from one another by a defined distance in the plane. Moreover, it is rotationally symmetric about the centre at every angle. Every pair of points in a circle's closed, two-dimensional plane are evenly spaced apart from the "centre." A circular symmetry line is made by drawing a line through the circle. Moreover, it is rotationally symmetric about the centre at every angle.

We must make certain assumptions because the diagram was not created precisely. Assume that the quarter circle is a perfect quarter circle and that its radius is 12 cm (as given in the question).

A = r2, where r is the radius, is the formula for calculating a circle's surface area. Due to the fact that we only have a quarter of a circle, we must divide the outcome by 4. Hence, the quarter circle's area is:

\(A = (1/4)\pi r^2\\A = (1/4))\pi(12^2)\\A = (1/4))\pi(144)\\A = 36)\pi\)

Therefore, the area of the shape is approximately 113.1 cm² (rounded to one decimal place).

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To find the median of two sorted arrays of sizes m and n, we need to merge the two arrays into one sorted array and then find the median of that array. However, we can't simply merge the two arrays using a linear approach as it would take O(m+n) time, which doesn't meet the requirement of O(log(m+n)) time. Instead, we can use a binary search algorithm to find the median in O(log(m+n)) time.

The basic idea is to compare the medians of the two arrays and eliminate half of the elements from one or both of the arrays based on their comparison with the median. We keep doing this until we are left with only one or two elements, and then we can easily calculate the median.

Here's how the algorithm works:

1. Initialize two pointers, one for each array, and set their values to the beginning and end of the respective arrays.
2. Calculate the midpoints of the two arrays and compare their values.
3. If the median of the first array is greater than the median of the second array, then we know that the median of the combined array will be in the first half of the first array and the second half of the second array. So we can eliminate the second half of the second array and the first half of the first array by adjusting the pointers accordingly.
4. If the median of the second array is greater than the median of the first array, then we know that the median of the combined array will be in the second half of the first array and the first half of the second array. So we can eliminate the first half of the second array and the second half of the first array by adjusting the pointers accordingly.
5. Repeat steps 2-4 until we are left with only one or two elements.
6. If we are left with one element, then that element is the median. If we are left with two elements, then the median is the average of the two elements.

This algorithm runs in O(log(m+n)) time because we are eliminating half of the elements in each iteration, which results in a logarithmic time complexity.

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Answer:

5.425

Step-by-step explanation:

310° = 310° × π ÷ 180°

= 310° × 3.142 ÷ 180°

= 310° × 0.0175

= 5.425

Answer:

Step-by-step explanation:

i got it right on khan\(\frac{31\pi }{18}\)

At t = 0.4, the velocity of the particle is zero. This indicates that the particle is momentarily at rest at this time.

To determine whether there is a time interval during which the particle is not moving, we need to examine the velocity of the particle. The velocity of the particle is the derivative of its position with respect to time.

The given position function is y = 0.20 + 8.0t - 10t^2.

To find the velocity function, we take the derivative of the position function with respect to time (t):

v(t) = d/dt (0.20 + 8.0t - 10t^2)

= 8.0 - 20t

The velocity function v(t) represents the rate of change of the position of the particle with respect to time. If the velocity is zero at any point in time, it means the particle is momentarily at rest.

Setting the velocity function equal to zero, we have:

8.0 - 20t = 0

Solving for t, we find:

20t = 8.0

t = 0.4

So, at t = 0.4, the velocity of the particle is zero. This indicates that the particle is momentarily at rest at this time.

Therefore, there is a time interval during which the particle is not moving, specifically at t = 0.4. Before and after this time point, the particle is in motion either upward or downward along the y-axis.

It's worth noting that we should consider the full domain of the position function (y) to determine if there are any other time intervals during which the particle is not moving. In this case, the given function does not specify any constraints on time, so the time interval t = 0.4 is the only time interval during which the particle is at rest.

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The rate of increase of the distance 14.2 inches per year

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

Rate of increase = 3 centimeters per month.

There are 12 months in a year

So, we have the following representation

Rate of increase = 3 centimeters per 1/12 year

This gives

Rate of increase = 36 centimeters per year

Next, we convert centimeters to inches

This gives

Rate of increase = 36/2.54 inches per year

Evaluate

Rate of increase = 14.2 inches per year

Hence, the rate is 14.2 inches per year

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Answer:

The answer is C.

Step-by-step explanation:

Answer:

6,666.67cube units

Step-by-step explanation:

Volume of the square based pyramid = BH/3

B is the base area

H is the height of the pyramid

Base area = Length * length

B = 25 * 25

B = 625 square units

Height = 32units

Volume = 625*32/3

Volume = 6,666.67cube units

Answer:

Price per liter of milk: $8.50

Step-by-step explanation:

$42.50 = 5 liters of milk

$42.50/5 = Price per liter of milk

Price per liter of milk = $8.50

Answer: 1, 2, and 4

Step-by-step explanation:

1. Cooper included ALL truthful information.

2. Brianna KNOWS she has the funds.

3. Allison makes a large purchase WITHOUT knowing how she will pay.

4. Greg discloses ALL fees.

Answer:

-16

Step-by-step explanation:

x + 7 = -9              

  - 7    - 7               Subtract 7 on both sides

x = - 16

Answer:

x = -16

Step-by-step explanation:

x + 7 = -9

  - 7     -7

           -16

The theory behind Euler's equation and the boundary conditions for a column with one fixed end and the other end free. Therefore, the answer to the question is d) 1/2, as x = π/2L = (2(1) - 1)π/2L = (2n - 1)π/2L when n = 1/2.

Euler's equation is derived from the Euler-Bernoulli beam theory, which states that a slender column under axial compression will buckle when the compressive stress exceeds a certain critical value. The buckling load is given by the equation P= xt^2π^2Et, where P is the buckling load, x is a dimensionless factor called the slenderness ratio (the ratio of the column length to its cross-sectional dimensions), t is the thickness of the column wall, E is the modulus of elasticity of the column material, and π is the mathematical constant pi.

For a column with both ends pinned, the value of x is given by x = nπ/L, where n is an integer and L is the length of the column. For a column with one end fixed and the other end free, the value of x is given by x = (2n - 1)π/2L, where n is an integer.  In this case, we have a column with one fixed end and the other end free, so we need to use the equation x = (2n - 1)π/2L to find the value of x. Since n can be any integer, we can choose n = 1 to simplify the equation and get x = π/2L.

Substituting this value of x into Euler's equation, we get P = (π/2L)²π²Et = π²Et/4L². This means that the buckling load for a column with one fixed end and the other end free is proportional to the modulus of elasticity and inversely proportional to the square of the length of the column.

Therefore, the answer to the question is d) 1/2, as x = π/2L = (2(1) - 1)π/2L = (2n - 1)π/2L when n = 1/2

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Answer:

8

Step-by-step explanation:

1+2+3=6

4+5+6=15

15-6=9-1=8

Answer:

4500 sec

Step-by-step explanation:

1hr 15min= 75 min

75 x 60=4500

The percent of the variance in the dependent variable unexplained by the independent variable is 81%

A correlation coefficient is a statistical indicator of how well changes in one variable's value predict changes in another. When two variables are positively correlated, the value either rises or falls together.

9 percent of the variance is explained by the independent variable if the correlation coefficient is 0.3.

The correlation coefficient is therefore represented as follows:

\(r = 0.3\)

The explained variance is found using the following formula:

\(R^{2} = r^{2} \\R^{2} = (0.3)^{2} \\R^{2} = (0.3)*(0.3)\\R^{2} = 0.9\)

Thus, 81% of the variance remains unexplained by variations in the independent variable.

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The code snippet provided is a simple example of a mutual exclusion solution using the flag variables as a way to ensure that only one process can access the critical section (cs1) at a time.

The prefix1 and suffix1 are placeholders that do not have any significance to the functionality of the code.

In this implementation, the while loop keeps checking the value of flag[0] until it becomes false. Once flag[0] is false, the process can proceed to the critical section and execute the code within the curly braces.

Before exiting the critical section, the flag[1] variable is set to true to indicate that the process has entered the critical section. This is necessary because another process may be waiting to access the critical section, and the flag[1] variable serves as a signal to indicate that the critical section is currently being used.

After executing the code within the critical section, flag[1] is set to false to indicate that the process has finished accessing the critical section, and another process can now enter it.

Overall, this implementation is a basic form of mutual exclusion, and more complex algorithms exist to prevent deadlocks and other issues that may arise in concurrent systems.

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A manufacturer working at the 430 gram setting, and a 21 bag sample had a mean of 421 grams with a standard deviation of 15. The p-value of test statistic is 0.0074.

To test whether the bag filling machine works correctly at the 430 gram setting, we can conduct a one-sample t-test. The null hypothesis is that the true mean weight of the bags filled by the machine is equal to 430 grams, and the alternative hypothesis is that the true mean weight is less than 430 grams.

The test statistic is calculated as:

t = (sample mean - hypothesized mean) / (sample standard deviation / sqrt(sample size))

Plugging in the values given in the problem, we get:

t = (421 - 430) / (15 / sqrt(21)) = -2.77

The degrees of freedom for the t-distribution are n - 1 = 20.

Using a t-table or calculator, we can find the p-value associated with a t-score of -2.77 and 20 degrees of freedom. The p-value turns out to be 0.0074 (rounded to four decimal places).

Since the p-value is less than the level of significance of 0.1, we can reject the null hypothesis and conclude that the bag filling machine is underfilling the bags at the 430 gram setting.

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Research has shown that competent communicators achieve effectiveness by adjusting their behaviors to the person and situation (option e).

Effective communication involves being adaptable and responsive to the specific context, individual preferences, and the needs of the situation.

Competent communicators recognize that different people have different communication styles, preferences, and expectations. They understand the importance of tailoring their communication approach to effectively connect and engage with others.

This may involve using appropriate language, tone, non-verbal cues, and listening actively to understand the needs and perspectives of others.

By adapting their behaviors, competent communicators can build rapport, foster understanding, and promote effective communication exchanges. They are mindful of the social and cultural dynamics at play, and they strive to communicate in a way that is respectful, inclusive, and conducive to achieving mutual goals.

In summary, competent communicators understand that effective communication is not a one-size-fits-all approach. They adjust their behaviors to the person and situation, demonstrating flexibility and adaptability in order to enhance communication effectiveness.

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Competent communicators achieve effectiveness mostly by adjusting their behaviors to suit the person they are communicating with and the situation they find themselves in. While other factors, like having a broad vocabulary or giving feedback, play a part in effective communication, the former is considered the most crucial.

Research suggests that competent communicators achieve effectiveness mostly through adjusting their behaviors depending on the person they are communicating with and the situation they are in. This is option e. of your question. Communicating effectively involves behaviors like active listening, understanding the other person's point of view, being able to express thoughts and ideas clearly, and being polite and respectful. While a broad vocabulary (option b.) can be useful, it is not as crucial as adapting your behavior to fit the situation. Moreover, giving feedback (option d.) is a part of effective communication but not the sole defining factor. Apologizing when offending others (option c.) is also important but it doesn't necessarily make one a competent communicator. Using the same type of behavior in various situations (option a.) might not always work, as different situations and individuals require different communication styles.

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Answer:

180 miles

Step-by-step explanation:

no 8 in rational number.

The answer to "Is √8 an irrational number?" is;

A: Yes

A rational number is a number that can be expressed as the ratio of two non-zero integers whereas an irrational number is a number that cannot be represented as the ratio of two integers.

Now, √8 = 2.828427125...

This means the decimal is non - repeating and nonterminating and as such cannot be expressed as the fraction of two integers and so is an irrational number.

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Answer:

B

Step-by-step explanation:

Answer:

no

Step-by-step explanation:

for a triangle to be a right triangle, the sum of the square of its legs must equal the square of its hypotenuse

a² + b² = c²

in this problem, 4² + 10² ≠ 11²

16 + 100 ≠ 121