Answer:
The polynomial expression x^4 + 4x - 21 cannot be factored into linear factors with rational coefficients. This can be shown using the rational root theorem, which states that any rational roots (zeros) of the polynomial must be of the form p/q, where p is a factor of the constant term (in this case, 21) and q is a factor of the leading coefficient (1). The only possible rational roots of this polynomial are ±1, ±3, ±7, and ±21. However, plugging in each of these values does not give a zero of the polynomial, meaning it has no rational roots. Therefore, it cannot be factored into linear factors with rational coefficients. It may still be factorable using complex numbers, but it is not factorable using only real numbers.
in a recent survey, what reason was given by nearly half of the respondents when asked what their reason was for changing jobs?
According to a recent survey, nearly half of the respondents cited better pay as their primary reason for changing jobs.
The survey was conducted on a national level and the results indicate that a majority of people are looking to increase their earnings by switching jobs.
Other reasons are:
The increasing cost of living and the desire to make ends meet. Opportunities to increase their skill set and gain experience in a new industry were other major factors that pushed them to seek a new job. Better working conditions were also cited as a primary reason by some survey respondents. This included working hours, location, job security, and organizational culture. To pursue a career path more aligned with their passions and interests. Move to a new location and a job change presented the perfect opportunity to do so.In conclusion, the survey clearly showed that the main reason for job changes among respondents was better pay. However, various other factors also play a role in an individual's decision to switch jobs, such as working conditions, career paths, and location.
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Ellie and Terrell are also putting new
carpeting in their family room,
which is a rectangle having length =
x + 3 and width = x + 1. What is
the area of the family room?
Answer:
x² +4x + 3
Step-by-step explanation:
Area = length x width
Area = (x + 3)( x + 1)
Area = x² + X + 3x +3
Area = x² + 4x +3
a. For which angle measures, 0, between 0 and
2π radians is cos(0) = 0? Label the
corresponding points on the unit circle.
b. What are the values of sin(x) for these angle
measures?
False to say that "cos(0) = 0." Cos(0) is equal to 1, as the input yields the x-coordinate of the spot on the circle for each arc in right spot, where first side coincides positive x-axis or final side spins clockwise first side.
What does it mean to coincide?
occupying the same location in time or space; coinciding; taking up the same spots on a scale. 3. Exactly concur.
Nevertheless, if the query is changed to ask for the angle that measures between 0 & 2 radians for which cos(x) = 0, the response is:
When x is equal to 2 or 3, cos(x) equals 0. The unit circle's corresponding points at these angles are, respectively, (0, 1) and (0, -1).
b. The sin(x) values for these angle measurements are:
As the equivalent point is at (0, 1) just on unit circle, sin(/2) equals 1.Due to (0, -1) being the corresponding point on the unit circle, sin(3/2) = -1.
therefore, False to say that "cos(0) = 0." Cos(0) is equal to 1, as the input yields the x-coordinate of the spot on the circle for each arc in right spot, where first side coincides positive x-axis or final side spins clockwise first side.
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There has been a 3% change in the money supply and a 1% change in velocity. In order to balance the exchange equation, what percentage of change needs to occur on the right side of the equation?
A. 1%
B. 4%
C. 7%
To balance the equation, the right side of the equation must also change by 4%.
What is equation?
An equation is a mathematical statement that asserts the equality of two expressions. It consists of two sides, a left-hand side (LHS) and a right-hand side (RHS), separated by an equals sign (=)
To balance the exchange equation, the percentage change on the left side of the equation [tex](\% \triangle M + \% \triangle V)[/tex] must equal the percentage change on the right side of the equation [tex](\% \triangle P + \% \triangle Q)[/tex].
Given that there has been a 3% change in the money supply [tex](\% \triangle M)[/tex] and a 1% change in velocity [tex](\% \triangle V)[/tex], the left side of the equation can be written as:
[tex]\%\triangle M + \%\triangle V = 3\% + 1\% = 4\%[/tex]
To balance the equation, the right side of the equation must also change by 4%. Therefore, the correct answer is:
B. 4%
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if a water bottle contains 375 ml, what is the volume in quarts? group of answer choices 1.21 qt 355,000 qt 0.396 qt 0.826 qt 2.52 qt
If a water bottle contains 375 ml, So the volume in quarts is 0.396 qt.
The volume of a water bottle containing 375 ml can be converted into a quart using the conversion formula.
One can use the following conversion formula to convert a given volume in ml to quarts.
The conversion formula for ml to quarts is given as;
1 ml = 0.00105669 quarts
Volume in quarts = Volume in ml × 0.00105669
Now, to calculate the volume of 375 ml of the water bottle in quarts,
We will substitute the given volume in the above conversion formula as follows,
Volume in quarts = 375 ml × 0.00105669
= 0.396 qt
Hence, the volume of the water bottle containing 375 ml is 0.396 qt.
Therefore, the correct option is C. 0.396 qt.
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make x the subject of the formula
y = 7x + 4
Find the value of x.
you and a friend are in school and are trying to figure out where to eat. she told you that she would like to go to her favorite pizza place that is 7 miles away from her home. both of you know that her home is 8 miles away from school. approximately how far is the pizza place from the school?
After answering the prοvided questiοn, we can cοnclude that As a result, expressiοn the pizza place is abοut a mile away frοm the schοοl.
What is expressiοn ?In mathematics, an expressiοn is a grοup οf representatiοns, digits, and cοnglοmerates that resemble a statistical cοrrelatiοn οr regimen. An expressiοn can be a real number, a mutable, οr a cοmbinatiοn οf the twο. Additiοn, subtractiοn, rapid spread, divisiοn, and expοnentiatiοn are examples οf mathematical οperatοrs.
Arithmetic, mathematics, and shape all make extensive use οf expressiοns. They are used in mathematical fοrmula representatiοn, equatiοn sοlutiοn, and mathematical relatiοnship simplificatiοn.
If the pizza place is 7 miles frοm yοur friend's hοuse and her hοuse is 8 miles frοm schοοl, the distance between the twο can be calculated as fοllοws:
distance frοm pizza shοp tο schοοl = distance frοm friend's hοuse tο schοοl - distance frοm friend's hοuse tο pizza shοp
8 miles minus 7 miles = distance frοm pizza place tο schοοl
1 mile frοm the pizza place tο the schοοl
As a result, the pizza place is abοut a mile away frοm the schοοl.
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on a biased dice, the probability of getting a two is 0.1. the dice is rolled 250 times
Answer:
If the probability of getting a two on a biased dice is 0.1, then the probability of not getting a two is 0.9.
To find the expected number of times a two is rolled in 250 rolls:
Expected value = (probability of an event occurring) x (number of trials)
Expected number of twos = 0.1 x 250 = 25
To find the expected number of times a number other than two is rolled in 250 rolls:
Expected number of non-twos = 0.9 x 250 = 225
Therefore, we would expect to roll a two 25 times and a number other than two 225 times in 250 rolls of this biased dice.
Answer:
0.790, or 79%.
Step-by-step explanation:
If the probability of getting a two on a biased dice is 0.1, then the probability of not getting a two is 0.9.
We can use the binomial distribution to calculate the probability of getting a certain number of twos in 250 rolls of the dice. The formula for the binomial distribution is:
P(X = k) = C(n, k) * p^k * (1-p)^(n-k)
Where:
P(X = k) is the probability of getting exactly k twos
n is the number of trials (250 rolls)
k is the number of successes (getting a two)
p is the probability of success (0.1)
(1-p) is the probability of failure (0.9)
C(n, k) is the number of ways to choose k successes from n trials (n choose k)
To calculate the probability of getting exactly k twos in 250 rolls, we plug in the values for n, k, p, and (1-p) into the formula:
P(X = k) = C(250, k) * 0.1^k * 0.9^(250-k)
We can use a calculator or a software program to find the probabilities for different values of k. Here are some examples:
The probability of getting no twos (k = 0) is P(X = 0) = C(250, 0) * 0.1^0 * 0.9^250 = 0.057
The probability of getting exactly one two (k = 1) is P(X = 1) = C(250, 1) * 0.1^1 * 0.9^249 = 0.153
The probability of getting at least two twos (k >= 2) is the complement of the probability of getting zero or one two:
P(X >= 2) = 1 - P(X = 0) - P(X = 1)
= 1 - 0.057 - 0.153
= 0.790
Therefore, the probability of getting at least two twos in 250 rolls of the biased dice is approximately 0.790, or 79%.
please leave a star
The radius of the cone is 5 in and y = 13 in. what is the volume of the cone in terms of π? a cone with a right triangle formed from its dimensions; the value of the height is h, and the value of the slant height is y; the height x and the radius form a right angle at the center of the cone. 40π in3 43π in3 100π in3 108π in3
The volume of the cone in terms of π is option (c) 100π in^3
The formula for the volume of a cone is given by:
V = (1/3)πr^2h
where r is the radius of the base of the cone, h is the height of the cone.
In this case, we are given that the radius of the cone is 5 in and the slant height is 13 in. We can use the Pythagorean theorem to find the height of the cone:
h^2 = y^2 - r^2
h^2 = 13^2 - 5^2
h^2 = 144
h = 12 in
Therefore, the volume of the cone is:
V = (1/3)πr^2h
V = (1/3)π(5^2)(12)
V = (1/3)π(25)(12)
V = (1/3)(300π)
V = 100π cubic inches
Therefore, the correct option is (c) 100π in^3
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Answer: 100π in3
Step-by-step explanation:
Ally chooses a whole number
Write a number that Ally could have started with
Ally could have started with any whole number, including 0, 1, 2, 3, 4, etc. Whole numbers are numbers that don't contain any fractions, decimals, or negative numbers.
For example, 1/2 is not a whole number, but 2 is a whole number. When Ally chooses a whole number, she could choose any number that fits this criteria. For example, she could choose 0, 1, 4, 17, 100, or any other whole number.
Ally chooses a whole number. The whole numbers are integers that are greater than zero. It includes all the natural numbers (1, 2, 3, ...) and zero. Let's assume Ally selected a whole number as the question mentioned, we will have to determine the possible number options that Ally could have chosen.One whole number that Ally could have chosen could be 1. Since 1 is the first natural number, it is the smallest whole number. The other whole numbers are greater than 1. The next smallest whole number is 2, followed by 3, then 4, and so on.
There are an infinite number of whole numbers since they continue infinitely in both positive and negative directions. There is no limit to the largest or smallest whole number; therefore, Ally could have begun with any whole number.
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a quality control inspector has drawn a sample of 11 light bulbs from a recent production lot. suppose that 60% of the bulbs in the lot are defective. what is the standard deviation of the number of defective bulbs in the sample? round your answer to two decimal places.
The standard deviation of the number of defective bulbs in a sample of 11 light bulbs, where 60% are defective, is 1.53, rounded to two decimal places.
The number of defective bulbs in a sample of 11 light bulbs follows a binomial distribution with parameters n = 11 and p = 0.6, where n is the sample size and p is the probability of a defective bulb.
The standard deviation of the binomial distribution is given by the formula:
σ = sqrt(np(1-p))
where σ is the standard deviation, n is the sample size, p is the probability of success (defective bulb), and (1-p) is the probability of failure (non-defective bulb).
Substituting the values into the formula, we get:
σ = sqrt(11 * 0.6 * 0.4) = 1.53
Therefore, the standard deviation of the number of defective bulbs in the sample is 1.53, rounded to two decimal places.
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Several studies about lawyer advertising have been done. Which of the following is NOT one of the findings?
a. The reputation of lawyers with the general public has declined because of advertising
b. The public considers the ads a valuable source of information
c. The public objects when advertising is invasive.
Option a) The finding that the reputation of lawyers with the general public has declined because of advertising is NOT supported by several studies about lawyer advertising.
What is lawyer advertising?Lawyer advertising refers to advertising or soliciting the services of lawyers. It is designed to attract potential clients to retain their services. Lawyer advertising may involve a wide variety of mediums, including television, radio, print media, billboards, and the internet. Legal professionals may advertise their services on a wide range of platforms in order to reach as many people as possible.
What are the findings of several studies about lawyer advertising?According to several studies about lawyer advertising, the public considers the ads a valuable source of information. However, the public objects when advertising is invasive. The findings show that the negative effects of lawyer advertising on the reputation of lawyers with the general public are not supported by empirical data. In other words, the reputation of lawyers with the general public has not declined because of advertising.
The following are some of the other findings of several studies about lawyer advertising:
The effectiveness of lawyer advertising varies based on factors such as the type of media, the target audience, and the geographic location of the advertisement. The public perceives lawyer advertising as a means for lawyers to inform the public about their services and availability.However, the public also perceives lawyer advertising as an attempt to lure them into hiring a lawyer. Lawyer advertising can increase public awareness about the availability of legal services, but it can also lead to unrealistic expectations regarding the outcome of legal disputes.
Hence option a) is correct.
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Can anyone help me with this? i have 6 problems like this and I don't know how to solve them.
1. y=x+4
y = 3x
2. x=-2y+1
x-y=-5
3. y=x-7
2x+y=8
4. y=3x-6
-3x+y=-6
5. x+2y=200
x=y+50
6. 4x+3y=1
x=1-y
Its Solving Using Substitution. It's also due tomorrow so please help.
Answer:
Sure, I can help you solve these problems using substitution. Let's start with problem 1:1. y=x+4 y=3x To solve this system of equations, we need to substitute one of the variables from one equation into the other equation. We can solve the second equation for y:y=3x Now we can substitute this expression for y into the first equation:y=x+4 3x=x+42x=4x=2 Now we can substitute this value for x into either equation to solve for y:y=x+4 y=2+4y=6 So the solution to this system of equations is x=2, y=6. You can follow the same procedure to solve the rest of the problems. 2. x=-2y+1 x-y=-53. y=x-7 2x+y=84. y=3x-6 -3x+y=-65. x+2y=200 x=y+506. 4x+3y=1 x=1-y Let me know if you need any further assistance.
Neal buys a board game. He pays for the board game and pays
$
1.54
$1.54dollar sign, 1, point, 54 in sales tax. The sales tax rate is
5.5
%
5.5
Proportionately, the cost of the board game without the sales tax is $28.00.
What is the sales tax?The sales tax is the levy imposed by the government on the consumption and production of certain goods and services.
The purposes of imposing sales taxes are to discourage consumption and to increase governmental revenue.
Proportion refers to the equation of two ratios.
In this situation, we can equate the value of the sales tax with its percentage to determine the cost of the board game.
The sales tax in dollars = $1.54
The sales tax rate = 5.5%
Proportionately, the value of the board game without the sales tax = $28.00 ($1.54/5.5%).
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Question Completion:How how is the cost?
343^2x-5=49^x/2 solve for x
Answer:
Step-by-step explanation:
We can start by simplifying the expression using the laws of exponents:
343^(2x) * 49^(-x/2) = 49^(x/2)
We can then simplify further by expressing everything in terms of 7 (since 7 is the common factor of both 343 and 49):
(7^3)^(2x) * (7^2)^(-x/2) = (7^2)^(x/2)
Applying the laws of exponents again, we get:
7^(6x) * 7^(-x) = 7^x
7^(6x - x) = 7^x
7^(5x) = 7^x
Now we can solve for x by equating the exponents on both sides:
5x = x
4x = 0
x = 0
Therefore, the solution to the equation is x = 0.
Answer:
x = 0
Step-by-step explanation:
343^(2x) * 49^(-x/2) = 49^(x/2)
(7^3)^(2x) * (7^2)^(-x/2) = (7^2)^(x/2)
7^(6x) * 7^(-x) = 7^(x)
Now, we can simplify the equation further by combining the like terms on both sides:
7^(6x - x) = 7^(x)
7^(5x) = 7^(x)
We can solve for x by equating the exponents on both sides of the equation:
5x = x
4x = 0
x = 0
Therefore, the solution to the equation is x = 0.
Algebraic Inequalities
Help due today
Answer: i am certain that the answer is -6
Use the situation below to answer questions 1 - 3.
A new Microsoft Surface computer costs $1275, but depreciates 16.5% each year as new
technology comes out.
1. Is this situation exponential growth or decay?
2.
Two students, Josh and Eve were debating how to represent a function to model
the value, V, after x years. Both of their functions are below. Explain who you
agree with and why.
Josh
V(x) = 1275 (0.835)*
Eve
V(x) = 1275(1.165)*
3. Write the correct function that models the context using both forms.
V(x) = a(b)*
V(x) = a(1+r)*
1. Exponential decay 2. Josh's function represents the situation correctly 3. V(x) = 1275(0.835)ˣ, V(x) = 1275(1-0.165)ˣ
Describe Exponential decay function ?An exponential decay function is a mathematical function that describes the decrease in value of a quantity over time or through a series of events. It is often used to model natural phenomena such as radioactive decay or the spread of diseases.
In an exponential decay function, the value of the quantity decreases exponentially over time. This means that the rate of decrease is proportional to the value of the quantity at any given time.
The exponential decay function is characterized by a decreasing graph that approaches zero but never touches the x-axis. The rate of decay slows down over time, but the quantity never completely disappears. The function is used in various fields such as physics, chemistry, biology, finance, and economics, to name a few.
1. This situation represents exponential decay because the value of the computer decreases by 16.5% each year.
2. Josh's function represents the situation correctly because it involves the decay factor (0.835) which is less than 1, reflecting the decrease in value each year. Eve's function represents exponential growth which is not consistent with the situation where the value of the computer decreases each year.
3. V(x) = 1275(0.835)ˣ represents the function using the form V(x) = a(b)ˣ where a = 1275 and b = 0.835.
Alternatively, V(x) = 1275(1-0.165)ˣ represents the function using the form V(x) = a(1-r)ˣ where a = 1275 and r = 0.165.
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Wendall and Stacey measured the lengths of several wooden planks. Wendall recorded his measurements in inches, and Stacey recorded her measurements in feet. In order to compare the lengths of the wooden planks, they recorded their measurements in the table below. Find the measurements of the wooden planks Wendall measured in feet, and then find the measurements of the wooden planks Stacey measured in inches.
To convert Wendall's measurements from inches to feet, we need to divide each measurement by 12, since there are 12 inches in a foot. So, the measurements in feet are:Length (in)Length (ft)242363484605To convert Stacey's measurements from feet to inches, we need to multiply each measurement by 12. So, the measurements in inches are:Length (ft)Length (in)6727848969108Therefore, the measurements of the wooden planks Wendall measured in feet are 2, 3, 4, and 5 feet, and the measurements of the wooden planks Stacey measured in inches are 72, 84, 96, and 108 inches.
The height of a machine part should be 13.5 millimeters . The manufacturing tolerance is within 0.07 . Complete the statements. An absolute value equation that could be used to determine the maximum and minimum value of , the height of the machine part, is [DROP DOWN 1]. The minimum value the machine part could be is [DROP DOWN 2]. The maximum value the machine part could be is [DROP DOWN 3].
The machine part's maximum possible size is 13.5 + 0.07, or 13.57 millimeters.
what is equation ?Two mathematical expressions are shown to be equal in an equation, which is a declaration that is frequently denoted by the equals symbol (=). It implies that the amounts or values represented by both formulations are the same. Equations are a useful tool for representing the relationships between variables and for problem-solving because they allow you to identify the values of the unknown variables that the equation requires. They are frequently applied in the domains of math, physics, engineering, and other sciences as well as in daily activities like budgeting, time management, and cooking.
given
The following absolute value equation could be used to calculate the machine part's height's maximum and minimum values:
0.07 for |height - 13.5|
The machine part's minimum possible size is 13.5 minus 0.07, or 13.43 millimeters.
The machine part's maximum possible size is 13.5 + 0.07, or 13.57 millimeters.
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the standard error tells multiple choice how often the examiner made an error. how often the experimental variable was tested. the relationship between the control and test groups. whether or not the research has been published in a scientific journal. how uncertain a particular value is.
Answer:the jimboluis
Step-by-step explanation:
that’s it
is there a significant difference in the mean amount of e. coli bacteria detected by the two methods for this type of beef? provide a statistical justification to support your answer
Certainly, there is a significant difference in the mean amount of e.coli bacteria detected by the two methods for this type of beef. This can be supported statistically by conducting a hypothesis test.
The null hypothesis ([tex]H_0[/tex]) is that there is no significant difference in the mean amount of E. coli bacteria detected by the two methods. The alternative hypothesis ([tex]H_a[/tex]) is that there is a significant difference in the mean amount of e.coli bacteria detected by the two methods.
The two-sample t-test can be used to test the hypothesis. The t-test compares the means of two independent groups and determines whether they are significantly different. The t-test assumes that the two samples are normally distributed and have equal variances.
If the sample sizes are large, then the t-test can still be used even if the samples are not normally distributed.
The formula for the t-test is:
[tex]t = (x_1 - x_2) / [s^2(1/n_1 + 1/n_2)][/tex]
Where:
[tex]x_1[/tex] = the sample mean for method 1
[tex]x_2[/tex] = the sample mean for method 2
[tex]s^2[/tex] = the pooled variance of the two samples
[tex]n_1[/tex] = the sample size for method 1
[tex]n_2[/tex] = the sample size for method 2
The t-value can then be compared to the critical value of [tex]t[/tex] for the desired level of significance (usually 0.05).
If the t-value is greater than the critical value of [tex]t[/tex], then the null hypothesis can be rejected and it can be concluded that there is a significant difference in the mean amount of E. coli bacteria detected by the two methods.
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if the company sells the jelly beans in packs of 9 bags, what can we say about the likelihood that the average weight of the bags in a randomly selected pack is 2 or more grams lighter than advertised?
There is a 2.28% likelihood that the average weight of the bags in a randomly selected pack is 2 or more grams lighter than advertised.
Assume that the advertised weight is equivalent to the typical weight of one bag, which is 30 grammes. A pack of nine bags would therefore weigh 9 x 30 = 270 grammes.
Let's now assume that each bag actually weighs 30 grammes on average, with a 2 gramme standard deviation, according to a normal distribution (which represents the variability in the weight of the bags).
We need to apply the central limit theorem to determine the probability that the average weight of the bags in a randomly selected pack is 2 or more grammes less than stated. According to this theorem, the mean of a sufficiently large sample (in this case, nine bags) will have a sampling distribution that is roughly normal, with a mean of 30 grammes and a standard deviation of 2 grammes divided by the square root of the sample size (9 = 0.67 grammes). The mean will also be equal to the population's standard deviation.
We can determine the likelihood that the sample mean of a pack of 9 bags weighs less than 28 grammes using a normal distribution table or calculator (which is 2 grammes less than the advertised weight of 30 grams). This likelihood is roughly 0.0228, or 2.28%.
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a 3 didget whole number thats divisBle by 6,9,4
gtrgrghtrhthjAnswer:
Step-by-step explanation:
g
Answer:
36
Step-by-step explanation:
4*9=36
9*4=36
6*5=36
Sarita has 38 inches of fringe to sew around a circular pillow. What is the approximate diameter of the largest pillow she can use?
The approximate diameter of the largest pillow Sarita can use is 12 inches.
Sarita has 38 inches of fringe to sew around a circular pillow.
To calculate the approximate diameter of the largest pillow she can use, we can use the formula 2 × (fringe length ÷ 3.14) = diameter. In this case, the diameter would be approximately 12 inches (38 ÷ 3.14 = 12.1).
To solve this problem, we need to divide the length of the fringe (38 inches) by the value of pi (3.14). Dividing 38 by 3.14 gives us 12.1. Since we are looking for the approximate diameter, we can round this number down to 12 inches.
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76. cash to find work? (4.2) will cash bonuses speed the return to work of une,ployed people? the illinois department of employment security designed an expierment to find out. the subjects were 10,065
The experiment by the Illinois Department of Employment Security found that cash bonuses can be an effective way to incentivize unemployed people to return to work.
The experiment conducted by the Illinois Department of Employment Security provides evidence on whether cash bonuses can speed up unemployed people's return to work. The results of the experiment suggest that offering cash bonuses can be an effective way to incentivize people to find work.
Specifically, the experiment found that the group of individuals who were offered a $500 cash bonus for finding a job within 11 weeks and holding it for at least 4 months were more likely to find employment than the control group. Additionally, the group that could tell potential employers that the state would pay the employer $500 for hiring them also had a higher likelihood of finding work compared to the control group.
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The given question is incomplete, the complete question is:
The Illinois Department of Employment Security designed an experiment to find out. The subjects were 10,065 people aged 20 to 54 who were filing claims for unemployment insurance. Some were offered $500 if they found a job within 11 weeks and held for at least 4 months. Others could tell potential employers that the state would pay the employer$500 for hiring them. A control group got neither kind of bonus. Will cash bonuses speed unemployed people's return to work?
if you select a single marble out of the bag, what is the probability that it is a color other than white or blue? express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
The above table represents the contents ( colored marble) of a bag. The probability that selected marble had a color other than white or blue is equals to the 0.766234 ( nearest to milinoth).
We have a bag that contains five different types of marbles. See the above table
number of red marbles in a bag = 16
number of green marbles in a bag = 23
number of blue marbles in a bag = 13
number of pink marbles in a bag = 20
number of white marbles in a bag = 5
So, total number of marbles in a bag= 16 + 23 + 5 + 13 + 20 = 77
Now, a single marble is selected and out of the bag. We have to determine probability that it is a color other than white or blue. Let X , Y and Z be three events defined as the following
X = selected marble is white
Y = selected marble is blue
Z = selected marble is other than blue or white
Probability of seclecting white marble, P(X) = 5/77
Probability of seclecting blue marble, P(Y)
= 13/77
Probability of seclecting blue or white marble, P(Y UX) = P(X) + P(Y) = 5/77 + 13/77 = 18/77
So, probability that selected marble has a color other than white or blue, P(Z) = 1 - P( X UY) = 1 - 18/77
= 59/77 = 0.76623376623
Hence, required probability is 0.766234.
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Complete question :
The above table discribes the contents of a bag that contains red,green, blue,pink and white marbles if you select a single marble out of the bag, what is the probability that it is a color other than white or blue? express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
How many cubic meters of material are there in a conical pile of dirt that has radius 9 meters and height 3? Use 3.14 for Pi.
The conical mound of soil therefore contains 254.34 cubic meters of substance.
Where can I discover volume?How much a receptacle contains can be determined by looking at its volume. Volume is calculated as follows: volume = length x breadth x height.
The following is the algorithm for a cone's volume:
V = (1/3)πr²ⁿ
where,
V is the volume r is the radius n is the height π is the value of pi.Substituting the given values, we get:
V = (1/3) x 3.14 x 9²*³
V = 254.34 cubic meters
Therefore, there are 254.34 cubic meters of material in the conical pile of dirt.
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Three and seven tenths times five
Answer:
6.5
Step-by-step explanation:
3 + (and) 7/10 x 5 = 6.5
Hope this helps!
what is the volume of a sphere with a height and diameter of 6 inches
Answer:
Step-by-step explanation:
6cm×6cm≈36cm²