Carl is making accessories for the soccer team. He uses 857.77 inches of fabric on headbands for 29 players and 2 coaches. He also uses 269.99 inches of fabric on wristbands for just the players. How much fabric was used on a headband and wristband for each player?

Answer:

Explanation:

Here, we want to find the value of the 25th percentile

Mathematically:

The 25th percentile represents a probability of p = 0.25

The z-score of this value is -0.68 (it is left of the mean)

To get z-score, we use the following formula:

Substituting these values, we have it that:

Step-by-step explanation:

okitnayohahahanagbobo kayo amin apay afda t oki u aya boto aso ah t adda kanya y

Answer:

6/x^2

Step-by-step explanation:

Simplify the following:

2/x^2 + 4/x^2

2/x^2 + 4/x^2 = (2 + 4)/x^2:

(2 + 4)/x^2

2 + 4 = 6:

Answer: 6/x^2

Answer:

6/x²

Step-by-step explanation:

\(\frac{2}{x^{2} } + \frac{4}{x^{2} } \\\\\)

= (2+4) / x²

= 6/x²

The inequality to show the values of [w] that will not exceed the weight limit of the elevator is w + 1643 ≤ 2000. On solving the inequality, we get w ≤ 357. The graph of the inequality is attached.

        ≤ : less than or equal to

        ≥ : greater than or equal to

        < : less than

        > : greater than

        ≠ : not equal to

Given is the maximum load for a certain elevator is 2000 pounds. The total weight of the passengers on the elevator is 1400 pounds. A delivery man who weighs 243 pounds enters the elevator with a crate of weight [w].

        1400 + 243 + w ≤ 2000

        w + 1643 ≤ 2000

        w + 1643 ≤ 2000

        w ≤ 2000 - 1643

        w ≤ 357

Therefore, the inequality to show the values of [w] that will not exceed the weight limit of the elevator is w + 1643 ≤ 2000. On solving the inequality, we get w ≤ 357. The graph of the inequality is attached.

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The 4-digit positive integers have four different digits where the leading digit is not zero, the integer is a multiple of 5, and 5 is the largest digit is 108.

\(5*4*3*1+4*4*3*1=60+28=108\)

Positive integers are the numbers we use to depend: 1,2, 3,4, 1 , 2, three, four, and so forth. Numbers with a fractional component not identical to zero and poor numbers are excluded from a fixed of high-quality integers. The operations of addition, subtraction, multiplication, and division can be finished with tremendous integers.

Positive integers are definitely your counting numbers. wonderful integers are in reality a part of a larger institution of numbers referred to as integers. Integers are all of the whole numbers, each advantageous and poor. by complete numbers, we imply numbers without fractions or decimals.

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We make four cases based on where the multiple of the 5 digits (0 or5) is. The number has to end with either 5 or 0 since it's a multiple of5. In all but the last case, 5 and 0 are used at the end and in another spot that separates the cases.

Case 1: The first digit can't be 0 so it must be 5. There are 4.3 to choose the middle two digits. After that, the last digit has to be 0, so there are a total of 1.4.3.1=12 numbers.

Case 2: The second digit can be 5, leaving 2 choices. The first and third numbers can be chosen in 4.3 ways, like last time. The last digit has to be 0 or 5, but not the one we already used. There are a total of 4.2.3.1=24 numbers.

Case 3: There are the same choices, but the digits 0 and 5 are at the last and second-to-last spots. So there are 4.2.3.1 =24 numbers again.

Case 4: There are 4.3.2 ways to choose the first three numbers. There has to be a 5 in the number because the largest digit is 5. Coincidentally, there are 4.2.3.1 numbers again.

There are a total of 12 + 24.3= (D)84 numbers.

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Step-by-step explanation:

The price of machine=$50000

depreciates rate (R )=1/4×100%

=25%

Answer:

Step-by-step explanation:

The transitive property of equality says--in very informal terms--if thing 1 = thing 2 and thing 2 = thing 3, then thing 1 = thing 3.  See how thing 2 appears twice?  That's a "spoiler alert" for this question.

So, what are thing 1, thing 2, and thing 3?

Take a look at how the answer space begins:  9y.  That must be thing 1 because the conclusion of the transitive property is thing 1 = ...

Now, what is mentioned twice?  2x.  That must be thing 2.

The remaining expression is thing 3: 10x - 8y + 3.

So it goes like this:

9y = 2x

2x = 10x - 8y + 3

Therefore, 9y = 10x - 8y + 3

Answer:

3*3*3-1*1

Step-by-step explanation:

Answer:

7

Step-by-step explanation:

3x3=9

1x2=2

so 9-2=7

The limit of the sequence exists, and it's equal to ln(1/23). Therefore, the sequence converges.

The sequence given is {ln(n + 8) - ln(6n + 17n)}, analyse the given sequence and determine if it converges or diverges.

To find the limit of this sequence, we can first simplify it by using the properties of logarithms.

Specifically, we'll use the property ln(a) - ln(b) = ln(a/b). Applying this property, the sequence becomes:

{ln[(n + 8)/(6n + 17n)]}.

Now we can further simplify the sequence as:

{ln[(n + 8)/(23n)]}.

To determine if the sequence converges or diverges, we'll find the limit as n approaches infinity:

lim (n→∞) ln[(n + 8)/(23n)].

To find this limit, we can analyze the argument inside the logarithm:

lim (n→∞) (n + 8)/(23n).

To find this limit, we can divide both the numerator and denominator by n:

lim (n→∞) [(n/n) + (8/n)] / [(23n/n)] = lim (n→∞) [1 + (8/n)] / [23].

As n approaches infinity, the term (8/n) approaches 0:

lim (n→∞) [1 + 0] / [23] = 1/23.

Now, we can rewrite the original limit:

lim (n→∞) ln[(n + 8)/(23n)] = ln(1/23).

The limit exists, and it's equal to ln(1/23). Therefore, the sequence converges, and the limit of the sequence is ln(1/23).

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Answer:50400cm2

Step-by-step explanation:lxWxH

Answer:

The length of the prism can be found by using the formula for volume of a rectangular prism, which is: V = lwh. Rearranging the formula to solve for l, the length, we get l = V / (wh). In this case, V is 840, w is 10, and h is 6. Plugging these values into the equation, we get l = 840 / (10 * 6) = 14 inches. Therefore, the length of the rectangular prism is 14 inches.

Step-by-step explanation:

The length of the prism can be found by using the formula for volume of a rectangular prism, which is: V = lwh. Rearranging the formula to solve for l, the length, we get l = V / (wh). In this case, V is 840, w is 10, and h is 6. Plugging these values into the equation, we get l = 840 / (10 * 6) = 14 inches. Therefore, the length of the rectangular prism is 14 inches.

The value of y for proportional relationship when x = 30 is y = 135.

Relationships among two variables that are proportional occur when their ratios are equal. Another way to consider them is that in a proportionate relation, one variable is consistently equal to the other's constant value.

A "constant of proportionality" is the name of this constant.

the importance of proportional relationship are-

Calculation the for the value of y.

According to the question,

The variables y and x have a proportional relationship.

Where, y=9 when x=2

Thus,

y/x = 9/2

Cross multiplying the above result;

2y = 9x

The value of y when x = 30.

2y = 9×30

2y = 270

 y = 135

Therefore, the value of y when x=30 is 135.

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The probability of winning on the last attempt is approximately 0.3762 or 37.62%.

The probability of winning a prize in a carnival game is provided as 1/7. This means that in any single attempt, the probability of winning is 1/7 and the probability of losing is 6/7.

Since the outcomes of the carnival games are assumed to be independent from game to game, the probability of losing in each attempt remains the same.

If you have failed to win in the last nine attempts, the probability of losing in each of those attempts is (6/7) multiplied by itself nine times:

Probability of losing in 9 attempts = (6/7)^9

To find the probability of winning on the tenth attempt, we subtract the probability of losing in nine attempts from 1:

Probability of winning on the tenth attempt = 1 - (6/7)^9

Calculating this value, we find:

Probability of winning on the tenth attempt = 1 - (6/7)^9 ≈ 0.3762

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The probability mass function of W is P(W=-3) = 1/27, P(W=-1) = 6/27, P(W=1) = 12/27, and P(W=3) = 8/27.

Let us consider the possible outcomes of three tosses of the biased coin. There are a total of 8 possible outcomes: HHH, HHT, HTH, THH, HTT, THT, TTH, and TTT.

Since a head is twice as likely to occur as a tail, the probability of getting a head is 2/3 and the probability of getting a tail is 1/3.

Let W be a random variable giving the number of heads minus the number of tails in three tosses of the coin. Then, W can take on any value between -3 and 3.

To find the probability mass function (PMF) of W, we need to calculate the probability of each possible outcome. When all three coins come up heads (HHH), W = 3 - 0 = 3. The probability of this outcome is:

P(HHH) = (2/3)^3 = 8/27

When two coins come up heads and one comes up tails (HHT, HTH, THH), W = 2 - 1 = 1. The probability of each of these outcomes is:

P(HHT) = (2/3)^2 × (1/3) = 4/27

P(HTH) = (2/3)^2 × (1/3) = 4/27

P(THH) = (2/3)^2 × (1/3) = 4/27

So, P(W=1) = P(HHT) + P(HTH) + P(THH) = 12/27

When one coin comes up heads and two come up tails (HTT, THT, TTH), W = 1 - 2 = -1. The probability of each of these outcomes is:

P(HTT) = (2/3) × (1/3)^2 = 2/27

P(THT) = (2/3) × (1/3)^2 = 2/27

P(TTH) = (2/3) × (1/3)^2 = 2/27

So, P(W=-1) = P(HTT) + P(THT) + P(TTH) = 6/27

When all three coins come up tails (TTT), W = 0 - 3 = -3. The probability of this outcome is:

P(TTT) = (1/3)^3 = 1/27

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Answer:

No, its more

Step-by-step explanation:

-2/3 is -0.6666667

-0.625 is greater than -0.666667

In programming, a loop is a control structure that allows us to execute a block of code repeatedly. A for loop is a type of loop that is commonly used when we need to repeat a set of instructions for a specific number of times.

In this case, we want to print the integers 0 through 39, each value on a separate line.

Here's an example of a for loop in Python that accomplishes this:

for i in range(40):

   print(i)

In this loop, the variable `i` takes on the values 0 through 39, one at a time, on each iteration of the loop. The range(40) function generates a sequence of integers from 0 to 39, which is used to control the loop.

The print() function outputs the value of `i` to the console on each iteration, followed by a newline character which creates a new line for each value.

To break this down further, the 'for' keyword initiates the loop and the `in` keyword specifies the range of values for the loop. The `range()` function generates a sequence of integers starting at 0 and ending at 39.

The `print()` function outputs each value to the console followed by a newline character which creates a new line for each value. This loop will execute a total of 40 times, printing each value on a separate line.

In summary, the for loop is a powerful and flexible tool in programming that allows us to automate repetitive tasks. In this example, we used a for loop to print the integers 0 through 39, each on a separate line, in a concise and efficient manner.

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Answer:

6

Step-by-step explanation:

1 and 1/2 is equal to 1 and 2/4, or 6/4. This means that it would take 6 teaspoons to add 1 1/2 teaspoons of baking soda. hope this helps!

The correct choice is c. There is not convincing evidence because another confidence interval that uses a higher level of confidence might contain 0.

In hypothesis testing, when the confidence interval includes the value of interest (in this case, 0), it suggests that there may not be a significant difference between the proportions being compared. The confidence interval (-0.43, -0.02) contains the value 0, indicating that the difference in proportions may not be statistically significant.

Choosing a higher level of confidence would result in a wider confidence interval, making it more likely to include the value 0. Therefore, the evidence is not convincing enough to conclude a significant difference in the proportions of sales that are SUVs for the two stores.

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The probability that someone is driving slower than 20 mph on the 405 freeway is approximately 7.08%.

We are given that the average speed on the 405 freeway is 42 mph and is normally distributed with a standard deviation of 15 mph.

To solve this problem, we need to use the standard normal distribution since we are given the mean and standard deviation of the speed on the 405 freeway.

We know that

\(Z=\frac{X-\mu}{\sigma}\)

Here, X = 20

\(\mu=42\)

\(\sigma=15\)

Z=(20-42)/15

Z=-22/15

Z=-1.47

Using a standard normal distribution table

P(Z<-1.47)=0.0708

or 7.08%

Therefore, the probability that someone is driving slower than 20 mph on the 405 freeway is approximately 0.0708 or 7.08%.

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Answer:

H0: μ = 23.5 versus Ha: μ < 23.5, where μ = the true mean amount of time needed for students of this school to complete this portion of the exam

The hypothesis is H0: μ = 25 versus Ha: μ < 25, So option (C) is the correct answer.

Mean is the ratio of the sum of all the observations and the total number of observations in a data set. The standard deviation is a statistic that measures the dispersion of a data set relative to its mean and is calculated as the square root of the variance.

For the above suituation,

There are 20 math questions to be answered in 25 minutes.

After investigation with 35 students, the meantime needed for them is 23.5 and the standard deviation is 4.8.

From the above information, we can say that the hypothesis, H0: μ = 25 versus Ha: μ < 25, where μ = the true mean amount of time needed for students of this school to complete this portion of the exam.

Hence we can conclude that the hypothesis (C) is the correct answer.

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Answer: 6/10

Step-by-step explanation: The answer is 6/10 because: first you convert the 1/2 to tenths which would be 5/10. Then, you add 1/10 and 5/10 and you get 6/10 of the flags were either pink or orange.

Answer:

answer is 3 because the decoration is so nice

The companion equation for displacements in the y-direction can be derived by following a similar process to the equilibrium equation in the x-direction. It can be expressed as (λ+μ) ∂y∂​div u+μ∇ 2u y​+p y​=0.

To derive the companion equation for displacements in the y-direction, we start by considering the equilibrium equation in the x-direction as (λ+μ) ∂x∂​div u+μ∇ 2u x​+p x​=0. Here, λ and μ are the Lamé parameters, ∂x∂ represents the partial derivative with respect to x, div u represents the divergence of the displacement vector u, ∇ 2u x​ represents the Laplacian of the x-component of the displacement vector u, and p x​ represents the body force per unit volume in the x-direction.

To obtain the companion equation in the y-direction, we replace the x-subscripts with y-subscripts. Thus, the equation becomes (λ+μ) ∂y∂​div u+μ∇ 2u y​+p y​=0. Here, ∂y∂ represents the partial derivative with respect to y, div u represents the divergence of the displacement vector u, ∇ 2u y​ represents the Laplacian of the y-component of the displacement vector u, and p y​ represents the body force per unit volume in the y-direction.

The derivation process involves applying principles of continuum mechanics and elasticity theory. By following this process, we obtain the companion equation for displacements in the y-direction as (λ+μ) ∂y∂​div u+μ∇ 2u y​+p y​=0. This equation allows us to analyze the behavior and equilibrium of deformable solids in the y-direction, considering factors such as elastic properties, forces, and displacements.

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Answer:

table:

.1, .25, .35, .2, .1

p(x=4) = .1

p(x<2) = .35

p(3≤x≤4)= .55

1.95, 1.12

Step-by-step explanation:

this is kind of hard to read, but i think i've got it

mean:

0*.1+1*.25+2*.35+3*.2+4*.1= 1.95

The second moment:

0²*.1+1²*.25+2²*.35+3²*.2+4²*.1= 5.05

the variance is the second moment minus the first moment squared (first moment is the mean) and then the standard deviation is the square root of the mean

5.05-1.95²= 1.2475 √1.2475= 1.1169 or 1.12

Answer:

20

Step-by-step explanation:

first term + second term = 4

tenth term = 19

fifth term + sixth term = ?

Since this is an arithmetic sequence:

first term = a

second term = a+d

tenth term = a+9d

Then we have

\(2a+d=4 \\ a+9d=19\)

Upon solving the system of equation we have:

\(a=1 \\ d=2\)

Since:

fifth term = a+4d

sixth term = a+5d

The final answer is:

fifth term + sixth term = \(2a+9d=2+18=20\)

Answer:

\frac{\left(x+5\right);p}{\left(x+5\right);}=\frac{2x^2}{\left(x+5\right);}-\frac{6x}{\left(x+5\right);}-\frac{1}{\left(x+5\right);};\quad \:x\ne \:-5p=\frac{2x^2-6x-1}{;\left(5+x\right)};\quad \:x\ne \:-5

Step-by-step explanation:

Answer

these nut in you'er mouth

Step-by-step explanation:

Chase and Simon (1973) conducted a study on the memory of chess novices and experts for positions of chess pieces on a chessboard. They found that although experts generally have a better memory for chess positions than novices, novices performed equally or even better than experts when asked to recall random arrangements of chess pieces on the chessboard, even if the arrangements couldn't occur in a real game of chess.

One possible explanation for this phenomenon is that experts rely heavily on their knowledge of typical chess positions and patterns to remember the positions of the pieces. However, when the pieces are arranged randomly, these patterns are disrupted, and experts may struggle to apply their existing knowledge effectively. On the other hand, novices may not have developed strong patterns or strategies yet, so they approach the task with a more flexible mindset and are less affected by the random arrangement. They may use more general memory strategies, such as chunking or grouping the pieces together, which can be useful for recalling random arrangements.
In summary, novices may perform as well as experts when the pieces are arranged randomly because they rely less on established patterns and can use more general memory strategies to recall the positions.

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If the magician correctly guesses both of your birthdays on the first try, it would be very unlikely to have occurred by pure chance. The probability of correctly guessing the birthday of one person on the first try is already very low at 0.0027. The probability of correctly guessing the birthday of two people in a row is even lower at 0.0000075.

Therefore, it is more likely that the magician had some other means of knowing your birthdays, rather than simply guessing them by chance. This could be through previous knowledge or research, such as being a stalker, or it could be through some sort of trick or illusion, such as using a hidden device or subtle cues to deduce the birthdays. In any case, it is highly unlikely that the magician would have been able to correctly guess both of your birthdays on the first try purely by chance.

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