THERE ARE 2 PARTS PLEASE ANSWER BOTH RIGHT TY HELPP!! There are 12 red cards, 17 blue cards, 14 purple cards, and 7 yellow cards in a hat.
Part A. What is the theoretical probability of drawing a purple card from the hat?

Part B.
In a trial, a card is drawn from the hat and then replaced 1,080 times. A purple card is drawn 324 times. How much greater is the experimental probability than the theoretical probability?

Enter the correct answers in the boxes.

A. The theoretical probability of drawing a purple card from the hat is ______.

B. The experimental probability of drawing a purple card is ____%
greater than the theoretical probability.

Answer:

Step-by-step explanation:

To calculate the interest earned by Linda for the first year, we can use the formula:

A = P(1 + r/n)^(nt)

Where A is the amount after t years, P is the principal amount, r is the annual interest rate, n is the number of times the interest is compounded per year, and t is the time in years.

For the first year, we have:

A = $50,000(1 + 0.06/1)^(1*1) = $53,000

So, the interest earned by Linda for the first year is:

Interest = $53,000 - $50,000 = $3,000

For the second year, we can use the same formula with t = 2:

A = $50,000(1 + 0.06/1)^(1*2) = $56,180

Interest = $56,180 - $53,000 = $3,180

For the third year, we can use the same formula with t = 3:

A = $50,000(1 + 0.06/1)^(1*3) = $59,468.80

Interest = $59,468.80 - $56,180 = $3,288.80

Now, to calculate the interest earned by Bob for each of the first three years, we can use the formula:

Interest = Prt

Where P is the principal amount, r is the annual interest rate, and t is the time in years.

For the first year, we have:

Interest = $50,0000.061 = $3,000

For the second year, we have:

Interest = $50,0000.061 = $3,000

For the third year, we have:

Interest = $50,0000.061 = $3,000

As we can see, Linda earns more interest than Bob for each year, as her interest is compounded annually, while Bob's interest is simple interest. Therefore, the answer is:

Linda earns more.

Answer:

Linda earns $9550.8 interest and bob earns $9000 interest

Step-by-step explanation:

Linda takes compound interest: C.I. = Principal (1 + Rate)Time − Principal

interest= 50,000(1+6/100)³

=59550.8 - 50000

Linda earns $9550.8 interest in 3 years.

bob takes simple interest: S.I = prt/100

interest = 50,000*6*3/100

Bob earns $9000 in 3 years.

thus, Linda earns more interest than bob.

The people who are included in the survey conducted by Bureau of Labor Statistics are (a) certain unpaid workers, (b) part-time workers and (c) workers on vacation, the correct option is (d).

The Bureau of Labor Statistics (BLS) is a unit of the US Department of Labor that is responsible for collecting, analyzing, and publishing data on labor market activity, working conditions, and price changes in the economy.

The Bureau of Labor Statistics (BLS) considers individuals to be employed if they meet any of the given criteria:

(i) Worked at least one hour as paid employees

(ii) Worked at least 15 hours as unpaid workers in a family-owned enterprise

(iii) Were temporarily absent from their regular jobs due to illness, vacation, strike, etc.

⇒ This means that certain unpaid workers, such as family members working in a family-owned business, would be considered employed by the BLS.

⇒ Part-time workers, who work less than 35 hours per week but are paid for their work, are also included in the employed category.

⇒ The Workers on vacation are considered employed by the BLS because they are temporarily absent from their job.

Therefore, all the options are correct , which is Option(d).

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The given question is incomplete, the complete question is

Who of the following are included in the Bureau of Labor Statistics "employed" category?

(a) certain unpaid workers

(b) part-time workers

(c) workers on vacation

(d) All of the above are correct.

The function f(x,y) has only minimum value at (1,0) is -1 and maximum value does not exist.

The given function is f(x,y)=x²+y²-2x

First find the partial derivative with respect to x and y

f'(x)=2x-2

f'(y)=2y

f'(x)=0=f'(y)

2x-2=0

x=1

and y=0

Now we will cheak maxima and minima at (1,0)

f''(x,y)=2 and f"(x,y)=2 and f"(x,y)=0( derivative of first order of x with respect to y)

We know that

rt-s²≥0 and r positive then f is minimum and  r negative maximum

r=2 , t=2 and s=0

rt-s²≥0 and r is positive so f(x,y) is minimum at (1,0)

f(1,0)=1-2=-1

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The probability that the mean cost of 9 LCD computer monitors is less than $180 is 0.8186 or 81.86% and the probability that the mean cost of 36 LCD computer monitors is less than $180 is 0.9999 or 99.99%.

What is the Central Limit Theorem (CLT)?

The Central Limit Theorem (CLT) is a statistical concept that states that the sample mean of a large number of independent and identically distributed (iid) random variables will be approximately normally distributed, regardless of the underlying distribution of the individual random variables.The significance of the Central Limit Theorem is that it allows us to make inferences about the population mean based on a sample mean, even if the population is not normally distributed. This is because the distribution of the sample mean becomes approximately normal as the sample size increases.

Finding the given probabilities:

To find the probability that the mean cost of 9 LCD computer monitors is less than $180, we can use the formula for the standard error of the mean:

[tex]SE = \sigma / \sqrt{n}[/tex]

where SE is the standard error of the mean, [tex]\sigma[/tex] is the population standard deviation, and n is the sample size. Plugging in the given values, we get:

[tex]SE = 55 / \sqrt(9) = 18.33[/tex]

Next, we can calculate the z-score corresponding to a sample mean of $180:

[tex]z = (180 - 170) / 18.33 = 0.546[/tex]

Using a standard normal distribution table or calculator, we can find the probability that a z-score is less than 0.546, which is 0.7079. However, we are interested in the probability that the sample mean is less than $180, which is the same as the probability that a standard normal variable is less than the calculated z-score. Therefore, the probability that the mean cost of 9 LCD computer monitors is less than $180 is:

[tex]P(z < 0.546) = 0.7079[/tex]

Rounding to four decimal places, we get 0.8186 or 81.86%.

To find the probability that the mean cost of 36 LCD computer monitors is less than $180, we can use the same formula for the standard error of the mean:

[tex]SE = \sigma / \sqrt{n}[/tex]

Plugging in the given values, we get:

[tex]SE = 55 / \sqrt{36} = 9.17[/tex]

Next, we can calculate the z-score corresponding to a sample mean of $180:

[tex]z = (180 - 170) / 9.17 = 1.090[/tex]

Using a standard normal distribution table or calculator, we can find the probability that a z-score is less than 1.090, which is 0.8621. However, we are interested in the probability that the sample mean is less than $180, which is the same as the probability that a standard normal variable is less than the calculated z-score. Therefore, the probability that the mean cost of 36 LCD computer monitors is less than $180 is:

[tex]P(z < 1.090) = 0.8621[/tex]

Rounding to four decimal places, we get 0.9999 or 99.99%.

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Step-by-step explanation:

2x + ay + 2 = 0

the gradient or slope of the line is the factor m of x in the form

y = mx + b

so let's transform the given equation into that form :

ay = -2x - 2

y = (-2/a)x - 2/a

we know that m = 1.

so,

-2/a = 1

-2 = a

Suppose you look by eye at a star near the edge of a dusty interstellar cloud. The star will look dimmer than it would if it were outside the cloud.

Interstellar clouds are vast, dense regions of dust and gas that exist between stars. These clouds contain tiny solid particles of dust, which scatter and absorb light as it passes through them.

When we observe a star that is located near the edge of an interstellar cloud, the light from that star has to pass through a greater amount of dust before it reaches our eyes or telescopes. The dust scatters and absorbs some of the light, causing the star to appear dimmer than it would if it were outside the cloud.

This effect is similar to how the sun appears dimmer when it is viewed through a thick layer of clouds or fog. In both cases, the amount of light that reaches us is reduced due to the presence of a barrier that scatters and absorbs some of the light.

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a) The standard error of mean for this data set is approximately 0.141.

b) The approximate 95% margin of error is approximately 0.282.

c) The approximate 95% confidence interval for the population mean age is 19.824 to 20.376.

a) The standard error of mean (SEM) is given by the formula: SEM = s / sqrt(n), where s is the sample standard deviation and n is the sample size. Plugging in the values given, we have:

SEM = 1.8 / sqrt(163) ≈ 0.141

So the standard error of the mean is approximately 0.141.

b) The approximate 95% margin of error (MOE) can be calculated using the formula: MOE ≈ 2 * SEM. Plugging in the SEM value from part 1, we get:

MOE ≈ 2 * 0.141 ≈ 0.282

So the approximate 95% margin of error is approximately 0.282.

c) The approximate 95% confidence interval (CI) for the population mean age can be calculated using the formula: CI = x ± (z*SEM), where x is the sample mean, z is the critical value from the standard normal distribution corresponding to the desired level of confidence (95% in this case), and SEM is the standard error of the mean. The critical value for 95% confidence is approximately 1.96. Plugging in the values, we get

CI = 20.1 ± (1.96 * 0.141) ≈ 19.824 to 20.376

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The Function of maximum or minimum for t is infinity.

While the principal subordinate can let us know if the capability is expanding or diminishing, the subsequent subsidiary. tells us in the event that the primary subsidiary is expanding or diminishing. On the off chance that the subsequent subsidiary is positive, the first.

To analyze the function R(t) = 2501² / e(3t), we can take the first and second derivatives:

R'(t) = -7503 * 2501² / e(3t)

R''(t) = 22509 * 2501² / e(3t)

To find the inflection point, we can set R''(t) = 0 and solve for t:

22509 * 2501² / e(3t) = 0

t = ln(0) / -3 = undefined

Since there is no real solution to this equation, there is no inflection point for this function.

To find the maximum or minimum, we can set R'(t) = 0 and solve for t:

-7503 * 2501² / e(3t) = 0

t = infinity

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Therefore, the answer is that Franklin must have bought at least 4 packs of pumpkin seeds to have an equal number of pumpkin and sunflower seeds.

Given by the question.

Sure! Then is an explanation of how to break this problem

First, we need to find the least common multiple( LCM) of 4 and 8, because that will tell us the lowest number of seeds that Franklin could have bought. To find the LCM, we can list the multiples of each number until we find one that they've in common

Multiples of 4 4, 8, 12, 16, 20, 24, 28, 32, 36, 40.

Multiples of 8 8, 16, 24, 32, 40, 48, 56, 64.

The first multiple that appears in both lists is 8, so the LCM of 4 and 8 is 8.

Now we know that Franklin bought the same number of pumpkin seeds and sunflower seeds, and that number is a multiple of 8. So, we just need to find the lowest multiple of 8 that's also a multiple of 4. That is 8 itself, because it's formerly a multiple of 4.

So, Franklin must have bought at least 4 pumpkin seed packs, since each pack contains 4 seeds. Any other multiple of 8 that's also a multiple of 4 would also work, but 8 is the lowest similar number.

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The standard deviation for the given mean length x is found to be: 2.138.

The term "standard deviation" (or "") refers to a measurement of the data's dispersion from the mean. A low standard deviation implies that the data are grouped around the mean, whereas a large standard deviation shows that the data are more dispersed.

Here, the standard deviation enters the picture; it gauges how variable a set of values is, or how dispersed they are from the average. The differential between each value and the group average serves as the basis for the standard deviation.

Given data:

mean μ = 86

standard deviation σ = 8

number of sample n = 14

average body length  x = 91.1

The population standard deviation is divided by that of the square root of both the sample size to calculate the standard deviation of the sampled distribution of the sample mean.

So,

σₓ = σ / √n

σₓ = 8 / √14

σₓ = 2.138

Thus, the standard deviation for the given mean length x is found to be: 2.138.

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The complete question is-

Deer mice (Peromyscus manicul.atus) are small rodents native of North America. Their adult body lengths (excluding tail) are known to vary approximately Normally, with mean 86 mm and standard deviation 8 mm. Deer mice are found in diverse habitats and exhibit different adaptations to their environment. A random sample of 14 deer mice in a rich forest habitat gives an average body length of x = 91.1 mm. Assume that the standard deviation σ of all deer mice in this area is also 8 mm.

What is the standard deviation of the mean length x?

1. Time taken to fill one community pool is 2hours 24 minutes.

2. Time taken to audit 30 files is 4 hours 41 minutes.

3. The time taken to erect is 54/7 hours or 7 hours 43 minutes

Time and work is a branch of mathematics that deals with the calculation of the amount of time required to complete a job or task by a worker or a group of workers working at a certain rate.

1. Job: Fill one community pool       Rate        Time         Work Completed

  Reserve water tower                     1/6            x                  x/6

  City water pipes                             1/4            x                  x/4

Solution: Fill one community pool;   [tex]\frac{x}{6} + \frac{x}{4} = 1[/tex]

Simplify, x = 12/5 hours or 2hours 24 minutes

Time taken to fill one community pool is 2hours 24 minutes.

2. Job: Work together       Rate        Time         Work Completed

  Mr. Dupree                       12/5           x                  12x/5

  Ms. Carmichael                16/4           x                  16x/4

Solution: If they work together, time taken to audit one file is

[tex]\frac{12x}{5} + \frac{16x}{4} = 1[/tex]

Simplify, x = 5/32 hours

So, time taken to audit 30 file, (5/32)×30 = 75/16 hours or 4 hours 41 minutes

Time taken to audit 30 files is 4 hours 41 minutes.

3. Job: Work together            Rate         Time         Work Completed

  Macon Construction           100/8           x                100x/8

  Thomson Masonry              200/12        x                 200x/12

Solution: If they work together, time taken to complete a work

[tex]\frac{100x}{8} + \frac{200x}{12} = 1[/tex]

Simplify, x = 6/175

Macon Construction 2 hours before so,

remaining work = 250 - (100×2hour/8) = 225 feet

then, the time taken to erect 225 feet rock facing by together is

6/175 × 225 = 54/7 hours or 7 hours 43 minutes

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1. Time taken to fill one community pool is 2hours 24 minutes. 2. Time taken to audit 30 files is 4 hours 41 minutes. and 3. The time taken to erect is 54/7 hours or 7 hours 43 minutes.

An audit is an independent review of financial statements and related documents in order to confirm their accuracy and compliance with relevant regulations.

1. Job: Fill one community pool       Rate        Time         Work Completed
 Reserve water tower                     1/6            x                  x/6
 City water pipes                             1/4            x                  x/4
Solution: Fill one community pool;  
Simplify, x = 12/5 hours or 2hours 24 minutes
Time taken to fill one community pool is 2hours 24 minutes.

2. Job: Work together       Rate        Time         Work Completed
 Mr. Dupree                       12/5           x                  12x/5
 Ms. Carmichael                16/4           x                  16x/4
Solution: If they work together, time taken to audit one file is
Simplify, x = 5/32 hours
So, time taken to audit 30 file, (5/32)×30 = 75/16 hours or 4 hours 41 minutes
Time taken to audit 30 files is 4 hours 41 minutes.

3. Job: Work together            Rate         Time         Work Completed
 Macon Construction           100/8           x                100x/8
 Thomson Masonry              200/12        x                 200x/12
Solution: If they work together, time taken to complete a work
Simplify, x = 6/175
Macon Construction 2 hours before so,
remaining work = 250 - (100×2hour/8) = 225 feet
then, the time taken to erect 225 feet rock facing by together is
6/175 × 225 = 54/7 hours or 7 hours 43 minutes

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The coordinates of the point we are looking for are (2, -9).

What are the coordinates of the point ?

The origin is the point at which all lines in a coordinate system intersect. When x and y are both equal to zero, the axes intersect. The origin's coordinates are (0, 0).

To find the coordinates of the point that partitions the line segment from (-6, 6) to (2, -10) into a ratio of 1 to 3, we can use the following formula:

(x, y) = ((32 - 1(-6))/4, (3*(-10) - 1*6)/4)

Here, the ratio of 1 to 3 corresponds to the fact that we are partitioning the line segment into 4 equal parts, with the point we want to find being at the end of the first part (i.e., 1/4 of the way from (-6, 6) to (2, -10)).

Plugging in the values, we get:

(x, y) = ((32 + 6)/4, (3(-10) - 6)/4)

= (2, -9)

Therefore, the coordinates of the point we are looking for are (2, -9).

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Answer: f(-1/2) = 16/3

Step-by-step explanation:

Substituting -1/2 for x in the given function:

f(-1/2) = (-2/3)(-1/2) + 5

f(-1/2) = 1/3 + 5

f(-1/2) = 16/3

Therefore, f(-1/2) = 16/3.

The steps for finding out the third derivative of y (given as y''') are explained and given below.

To find the third derivative of y (y'''), you would need to differentiate the function y three times with respect to the independent variable. Here are the steps:

Start by differentiating y once to get the first derivative, y'.

Differentiate y' again to get the second derivative, y''.

Finally, differentiate y'' to get the third derivative, y'''.

You can use the chain rule, product rule, quotient rule, and other differentiation rules as needed to find each derivative.

Here's an example of finding the third derivative of y for the function y = x^4 + 2x^3 - 5x:

y' = 4x^3 + 6x^2 - 5

y'' = 12x^2 + 12x

y''' = 24x + 12

So the third derivative of y is y''' = 24x + 12.

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In response to the stated question, we may state that As a result, the probability of correctly answering none of the 20 questions is roughly 0.0000262, or 0.00262%.

Probabilistic theory is a branch of mathematics that calculates the likelihood of an event or proposition occurring or being true. A risk is a number between 0 and 1, with 1 indicating certainty and a probability of around 0 indicating how probable an event appears to be to occur. Probability is a mathematical term for the likelihood or likelihood that a certain event will occur. Probabilities can also be expressed as numbers ranging from 0 to 1 or as percentages ranging from 0% to 100%. In relation to all other outcomes, the ratio of occurrences among equally likely alternatives that result in a certain event.

The likelihood of getting any one question accurate is 1/4 if you merely guess on each question. The binomial distribution formula may be used to calculate the chance of correctly answering none of the 20 questions:

P(X=0) = (n choose X) * pX * (1-p) (n-X)

[tex]If n=20, X=0, and p= 1/4\\P(X=0) = (20 pick 0) (20 choose 0) * (1/4)^0 * (3/4)^20\\P(X=0) = 1 * 1 * 0.0000262\\P(X=0) = 0.0000262[/tex]

As a result, the probability of correctly answering none of the 20 questions is roughly 0.0000262, or 0.00262%.

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This is the absolute value function shifted to the left 2 units:

| x+2 | = {

x+2 if x >= -2,

-(x+2) if x < -2

}

In mathematics, a function is a relationship between a set of inputs and a set of possible outputs with the property that each input is related to exactly one output. It is a rule or a set of rules that assigns each input value exactly one output value. Functions can be represented using equations, graphs, or tables. They are used to model real-world phenomena and solve problems in various fields such as science, engineering, economics, and finance.

Here,

The absolute value function is defined as:

| x | = {

x if x >= 0,

-x if x < 0

}

To shift the function to the left 2 units, we can replace x with (x+2):

| x+2 | = {

x+2 if x+2 >= 0,

-(x+2) if x+2 < 0

}

Simplifying further, we get:

| x+2 | = {

x+2 if x >= -2,

-(x+2) if x < -2

}

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Complete question:

The absolute value function is defined as:

| x | = {

x if x >= 0,

-x if x < 0

}

Find the function when shifted to the left 2 units.

Answer:

Let's call the unknown number "x".

According to the problem:

x - (-17) = 25x

Simplifying:

x + 17 = 25x

Subtracting x from both sides:

17 = 24x

Dividing by 24:

x = 17/24

Therefore, the unknown number is 17/24.

a. The value of P(2) is 0.022

b. The value of P(2 or fewer) is 0.027

From the question; n = 15, p = 0.4

a. We have to determine P(2).

P(X = x) = ⁿCₓ·Pˣ·(1 - P)ⁿ⁻ˣ

P(X = 2) = ¹⁵C₂·(0.4)²·(1 - 0.4)¹⁵⁻²

We can write ⁿCₓ = [tex]\frac{n!}{x!(n - x)!}[/tex]

P(X = 2) = [tex]\frac{15!}{2!(15 - 2)!}[/tex] · (0.16) · (0.6)¹³

P(X = 2) = [tex]\frac{15\times14\times13!}{2\times1\times13!}[/tex] · (0.16) · (0.6)¹³

P(X = 2) = (15 × 7) · (0.16) · (0.6)¹³

After simplification

P(X = 2) = 0.022(approx)

b. We have to determine P(2 or fewer).

P(x ≤ 2) = P(x = 0) + P(x = 1) + P(x = 2)

P(x ≤ 2) = ¹⁵C₀·(0.4)⁰·(1 - 0.4)¹⁵⁻⁰ + ¹⁵C₁·(0.4)¹·(1 - 0.4)¹⁵⁻¹ + ¹⁵C₂·(0.4)²·(1 - 0.4)¹⁵⁻²

After simplification like above

P(x ≤ 2) = 0 + 0.005 + 0.022

P(x ≤ 2) = 0.027

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For the random variable X, the mean of "X-3" is -5/2 and variance of "X-3" is 1/12.

We have to find the mean and variance of the quantity "X-3" , for the random variable X;

⇒ Let y = x-3,

So, Mean of y = E(y),

⇒ E(y) = E(x-3) = E(x) - 3,

⇒ E(x) = [tex]\int\limits^1_0 {x}f(x) \, dx[/tex] = [tex]\int\limits^1_0 {x.1} \, dx[/tex];

⇒ E(x0 = [x²/2]¹₀ = 1/2.

So, E(y) = (1/2) - 3 = -5/2.

⇒ Variance of y is = Var(x-3)

⇒ Variance of y = Var(x) - 0   ...because Var(3) = 0 as the variance of constant is 0.

⇒ We know that, Var(x) = E(x²) - (E(x))²;

⇒ E(x²) = [tex]\int\limits^1_0 {x^{2} f(x)} \, dx[/tex] = [tex]\int\limits^1_0 {x^{2} .1} \, dx[/tex] = [x³/3]¹₀ = 1/3,

So, Var(x) = (1/3) - (1/2)²

⇒ Var(x) = 1/3 - 1/4 = 1/12.

Therefore, the required Mean is -5/2 and the variance is 1/12.

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The given question is incomplete, the complete question is

Suppose that the random variable X has the continuous uniform distribution,

f(x) = {1,   0 ≤ x ≤ 1

        {0, otherwise

Suppose that a random sample of n=13 observations is selected from this distribution.

Find the mean and variance of the quantity x-3.

When the group leader uses the skill of reframing, he/she is easing the group out of emotional interaction and into cognitive reflection.

Reframing is a technique that involves taking a situation or problem and looking at it from a different perspective. In the context of group dynamics, the group leader can use reframing to help shift the focus of the group from an emotional or reactive response to a more reflective and analytical one.

For example, if a group is discussing a contentious issue and emotions are running high, the group leader might use reframing to help the group reframe the issue in a different way. This could involve asking the group to consider the issue from a different angle, or to think about it in a broader context.

The skill of reframing can be particularly useful in situations where the group is struggling to make progress or where emotions are preventing productive discussion. By using reframing, the group leader can help the group to reorient their thinking and focus on finding solutions rather than getting bogged down in emotional responses.

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Answer: 14,605 pieces.

Step-by-step explanation:

In the second quarter, the company produced 795 pieces more than in the first quarter.

So, the total pieces produced in the second quarter can be calculated as:

6905 + 795 = 7700

The total pieces produced in the first semester (two quarters) can be calculated as:

6905 + 7700 = 14,605

Therefore, the company produced 14,605 pieces in the first semester.

The number of pieces the company produced in the first semester was 14,605 pieces.

The question asks to calculate how many pieces a company produced in the first semester, considering the production of two quarters.

In the first quarter, the company produced 6,905 pieces, as indicated in the question.

Already in the second quarter, the company produced 795 more pieces than in the first quarter, which means that the production in the second quarter was:

6,905 + 795 = 7,700 pieces.

To know the company's total production in the first semester, just add the productions of the two quarters:

6,905 + 7,700 = 14,605 pieces

Answer:

b the solution is (3,5)

Step-by-step explanation:

look at the points where the lines intersect

Answer:

The given function is an exponential growth function, not an exponential decay function because as the exponent x increases, the value of y also increases instead of decreasing.

To describe its end behavior using limits, we need to find the limit of the function as x approaches infinity and as x approaches negative infinity.

As x approaches infinity, the exponent -x approaches negative infinity, and the base (1/6) is raised to increasingly larger negative powers, causing the function to approach zero. So, the limit as x approaches infinity is 0.

As x approaches negative infinity, the exponent -x approaches infinity, and the base (1/6) is raised to increasingly larger positive powers, causing the function to approach infinity. So, the limit as x approaches negative infinity is infinity.

Therefore, the end behavior of the function is that it approaches zero as x approaches infinity and approaches infinity as x approaches negative infinity.

Answer: y=3x+0

Step-by-step explanation: rise (y) over run (x) would be 3/1, which is 3. The line passes through the origin (0,0) so its 0.

Answer:

Step-by-step explanation:

Since we know that x + 1 is a factor of f(x), we can use synthetic division to find the other factor and then solve for the remaining zeros.

We set up synthetic division as follows:

-1 | 1 -3 16 20

| -1 4 -20

|_____________

1 -4 20 0

The last row of the synthetic division gives us the coefficients of the quadratic factor, which is x^2 - 4x + 20. We can use the quadratic formula to find its roots:

x = (-(-4) ± sqrt((-4)^2 - 4(1)(20))) / (2(1))

= (4 ± sqrt(-64)) / 2

= 2 ± 2i√2

Therefore, the three zeros of f(x) are -1, 2 + 2i√2, and 2 - 2i√2.

Answer:

The simplest possible equation for the line on the graph would be x = - 2

(A) This means that the  systolic blood pressure 100 is less than average blood pressure and 150is higher than the average blood pressure.

(B)  The average size of such errors is about 125 mmHg, and 95% of the predictions we make using regression will be correct to within about 90 mmHg.

(C) He is 60 years old, which means that he is 1.7857 SD(s) above the average age of men in the practice.

(D) The percentile corresponding to -0.6 as27.43. this means that 27.43% of people with blood pressure reading above 125.

(A) We have to find the z statistics of systolic blood pressure 100 and 150.

We have:

z₁₀₀ = 100 -125/14

      = -1.7857

And, Z₁₅₀ = 150-125/14

               = 1.7857

So, the  systolic blood pressure 100 is -1.7857 standard deviation to the left of the mean 125.

And, the  systolic blood pressure 150 is 1.7857 standard deviation to the left of the mean 125.

This means that the  systolic blood pressure 100 is less than average blood pressure and 150is higher than the average blood pressure.

(B) The above predictions all are subject to error. The average size of such errors is about 125 mmHg, and 95% of the predictions we make using regression will be correct to within about 90 mmHg.

             -2.5 = x -125/14

           ⇒ x = -2.5 × 14 +125

           ⇒ x = 90.

(C)  A man is selected at random from the practice. He is 60 years old, which means that he is 1.7857 SD(s) above the average age of men in the practice. Another way of expressing his relative age is that he is at the 96% percentile of age among all men in the practice.

(D) The z score is: z = 0.6

The percentile corresponding to -0.6 as27.43. this means that 27.43% of people with blood pressure reading above 125.

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Step-by-step explanation:

Speed =  distance / time    

  you are given distance = 23 miles  and time = .5 hr

      distance / time =  23 miles / .5 hr =   46 mph

Answer:

Step-by-step explanation:

Let x be the number of points scored by Team B.

Then, Team A scored twice as many points, or 2x.

The total number of points scored by both teams is 12, so we can set up the equation:

x + 2x = 12

Combining like terms, we get:

3x = 12

Dividing both sides by 3, we get:

x = 4

So Team B scored 4 points, and Team A scored twice as many, or 8 points.