A number which represents the location of the snail in feet is 1/2 feet.
What is a number line?In Mathematics, a number line can be defined as a type of graph with a graduated straight line which comprises both positive and negative numbers that are placed at equal intervals along its length.
This ultimately implies that, a number line primarily increases in numerical value towards the right from zero (0) and decreases in numerical value towards the left from zero (0).
Note: The opposite of a given number on a number line is the number on the other side of zero (0) and the same distance from zero (0).
Based on the information provided above, we can reasonably infer and logically deduce that the snail is located at the opposite of -1/2 foot on the number line. Therefore, the opposite of -1/2 foot would be 1/2 foot.
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suppose that for a particular firm the only variable input into the production process is labor and that output equals zero when no workers are hired. in addition, suppose that fixed cost is $130, marginal cost of each worker hired is constant at $40, and the average total cost when three workers are hired is $50. what is the output when three workers are hired?
The output when three workers are hired is 5 units..
To find the output when three workers are hired, we need to first determine the total cost and then use the marginal cost to calculate the output.
Find the total cost when three workers are hired.
Average total cost (ATC) = Total cost (TC) / Output (Q)
$50 = TC / Q
Since fixed cost (FC) is $130 and the marginal cost (MC) is $40 per worker, the total cost can be found by adding the fixed cost and the cost of the three workers.
TC = FC + 3(MC)
TC = $130 + 3($40)
Calculate the total cost.
TC = $130 + $120
TC = $250
Use the total cost and average total cost to find the output.
$50 = $250 / Q
Q = $250 / $50
Q = 5
Therefore, the output when three workers are hired is 5 units.
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Demons answer this for me.
Answer:
Step-by-step explanation:
if you have negative numbers of x (this means negative meters) then the equation transform them into negative yards.
then replace y by 40yd in the equation like
40 = 1.09x
x = 40/1.09 = 36.7 meters
so in a 40yd race, there are 36.7 meters.
The following are the temperatures of 10 days in winter in °C.
-3, 3, 8, 4, 5, 8, -5, 6, -4, 3
Work out the mean temperature.
A real estate magazine reported the results of a regression analysis designed to predict the price (y), measured in dollars, of residential properties recently sold in a northern Virginia subdivision. One independent variable used to predict sale price is GLA, gross living area (x), measured in square feet. Data for 157 properties were used to fit the model Ely) = Bo + B1x. The results of the simple linear regression are provided below. y = 96,600 + 22.5x 5 = 6500 R 2 = 77 t = 6.1 (for testing B1) Interpret the value of the coefficient of determination, R2 There is a moderately strong positive correlation between sale price (y) and GLA (x). GLA (x)is linearly related to sale price (y) 77% of the time. 77% of the observed sale prices (y's) will fall within 2 standard deviations of the least squares line. 77% of the total variation in the sample sale prices can be attributed to the linear relationship between GLA (x) and (y).
The coefficient of determination, R^2, represents the proportion of the total variation in the dependent variable (sale price, y) that can be explained by the independent variable (gross living area, GLA, x) in a linear regression model.
In this case, the given value of R^2 is 0.77 (or 77%). This means that approximately 77% of the total variation in the sale prices of the properties in the sample can be attributed to the linear relationship between the gross living area and the sale price.
Interpreting this value:
- The value of 0.77 indicates a relatively high coefficient of determination. It suggests that the model is able to explain a significant portion of the variability in sale prices based on the variation in the gross living area.
- The higher the R^2 value, the more accurately the model can predict the sale prices based on the gross living area.
- In this case, the linear regression model with the gross living area as the independent variable accounts for 77% of the observed variation in sale prices.
It is important to note that the coefficient of determination, R^2, does not indicate causality but rather the strength of the linear relationship and the proportion of the variability explained by the model.
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Choose the best answer. Let X represent the outcome when a fair six-sided die is rolled. For this random variable,
μX=3.5 and σX =1.71.
If this die is rolled 100 times, what is the approximate probability that the total score is at least 375? (a) 0.0000 (b) 0.0017 (c) 0.0721 (d) 0.4420 (e) 0.9279
The approximate probability that the total score is at least 375 when a fair six-sided die is rolled 100 times is (d) 0.4420.
When a fair six-sided die is rolled, the random variable X represents the outcome. The mean (μX) of X is 3.5, and the standard deviation (σX) is 1.71.
To find the probability that the total score is at least 375 when the die is rolled 100 times, we can use the Central Limit Theorem. According to the theorem, the sum of a large number of independent and identically distributed random variables approximates a normal distribution.
In this case, the sum of the outcomes of 100 rolls of the die follows a normal distribution with a mean of μX multiplied by the number of rolls (100) and a standard deviation of σX multiplied by the square root of the number of rolls (10). Therefore, the approximate probability can be calculated by finding the probability that the sum is greater than or equal to 375.
Using a normal distribution table or a calculator, we can find that the approximate probability is 0.4420, which corresponds to answer (d). This means that there is a 44.20% chance that the total score will be at least 375 when the die is rolled 100 times.
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-A student is chosen randomly from the group. What is the probability that the student ONLY takes History Class?
-A student is chosen randomly from the group. What is the probability that the student takes BOTH History and Biology?
-A student is chosen randomly from the group. What is the probability that the student does NOT take History or Biology?
-A student is chosen randomly from the group. What is the probability that the student takes Biology class?
Help me, please
The probabilities are given as follows:
Only history: 0.17 = 17%.Both history and biology: 0.25 = 25%.Not history and not biology: 0.37 = 37%.Biology: 0.46 = 46%.How to calculate a probability?A probability is calculated as the division of the desired number of outcomes by the total number of outcomes.
The total number of students in the problem is given as follows:
17 + 25 + 21 + 37 = 100.
Hence the probabilities are given as follows:
Only history: 17/100 = 0.17 = 17%.Both history and biology: 25/100 = 0.25 = 25%.Not history and not biology: 37/100 = 0.37 = 37%.Biology: (25 + 21)/100 = 46/100 = 0.46 = 46%.More can be learned about probability at https://brainly.com/question/24756209
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The sum of the measures of the angles shown is 81°. Which is the measure of angle y?
Answer:
55
Step-by-step explanation:
You can do:
81 - 26 = 55
The sum of the angles (81) minus the angle that is represented (21)
Answer:
55
Step-by-step explanation:
Since the sum of the two angles is 81, i did
81- 26=55
What is the critical value for finding a 90% confidence interval estimate for a mean where the standard deviation is unknown from a sample of 15 observations
According to the question, the critical value for finding a 90% confidence interval estimate for a mean from a sample of 15 observations is 1.761.
To find the critical value for a 90% confidence interval estimate for a mean when the standard deviation is unknown and the sample size is 15, we need to use the t-distribution.
The critical value is determined by the confidence level and the degrees of freedom. For a 90% confidence level, the corresponding area in the tails of the t-distribution is \(\(\frac{{1 - 0.90}}{2} = 0.05\)\).
Since the sample size is 15, the degrees of freedom for the t-distribution is \((n - 1) = 15 - 1 = 14\).
We can use statistical software or a t-table to find the critical value associated with a 0.05 area in the tails of the t-distribution with 14 degrees of freedom. The critical value is approximately 1.761.
Therefore, the critical value for finding a 90% confidence interval estimate for a mean from a sample of 15 observations is 1.761.
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Nancy bought a soft drink for 2 dollars and 6 candy bars. She spent a total of 14 dollars. How much did each candy bar cost? show work
She bought 1 soft drink for $2
6 candy bars
total = $14
Equation
14 = 2 + 6x
Solve for x (number of candies)
14 - 2 = 6x
12 = 6x
x = 12/6
x = $2
Each bar candy cost $2.
Explain how you would use a number line to find the absolute value of –12.
Answer:
12 notches from both left and right of 0
you want the absolute value of (-12). all that means is how far is the number away from 0. in this case it's just 12
i need the answer thank u
Answer
its either d or c
Step-by-step explanation:
If it is a direct proportion then its C if its not then its D
There are 14 dogs at the dog park on a busy Saturday. 2 of them are springer spaniels.
What is the probability that a randomly selected dog is a springer spaniel?
Write your answer as a fraction or whole number.
Answer:1/7
Step-by-step explanation: You take the amount that are springer spaniels and you put them with the whole of the dogs in the park 14 so you would have 2/14. You can reduce this fraction to 1/7 by dividing both the top and bottom of the fraction by 2.
\(\sqrt{ 6^{2} +(x-2)^{2} }\)
Answer:
\( \sqrt{36 + x {}^{2} } - (2) {}^{2} \\ 6 + x + - 2 \\ 6 - 2 + x \\ 4 + x \\ \: \:answer = 4 + x \\\)
Which of the following mobile device management (MDM) solutions is hardware-agnostic and supports many different brands of mobile devices?
EMMUEMAddApp
Among the available mobile device management (MDM) solutions, Enterprise Mobility Management (EMM) is the hardware-agnostic solution that supports various brands of mobile devices. Option A holds true.
EMM is a comprehensive set of tools and technologies that enable IT administrators to manage and secure mobile devices, applications, and data. EMM provides a platform for managing different types of mobile devices, such as smartphones, tablets, and laptops, irrespective of their brand or operating system. With EMM, organizations can easily enroll, configure, and manage mobile devices, apply security policies, and distribute applications to users.
EMM solutions offer features like remote wiping of devices, enforcing data encryption, and monitoring device usage. EMM solutions are designed to cater to the needs of organizations with a large number of mobile devices that require management and security. EMM solutions support various operating systems like iOS, Android, Windows, and BlackBerry, making it an ideal choice for organizations with a diverse set of mobile devices.
Option A is correct.
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The following mobile device management (MDM) solution is hardware-agnostic and supports many different brands of mobile devices: EMM (option A).
EMM (Enterprise Mobility Management) is a collection of technologies that organizations use to manage, secure, and enable employee use of mobile devices such as smartphones and tablets. It includes mobile device management (MDM), mobile application management (MAM), and mobile information management (MIM) components.
EMM provides end-to-end management of mobile devices, apps, and data, making it an essential tool for organizations that allow their employees to use personal or company-owned mobile devices for work purposes. EMM solutions allow businesses to keep corporate data safe while also enabling employees to use their preferred mobile devices for work.
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Factor the polynomial
below completely:
10m5n² + 25m³n³
(Show work please)
Answer:
\(5mn^{2} (2+ 5m^{2} n)\)
Step-by-step explanation:
I assumed the polynomial is \(10mn^{2} +25m^{3}n^{2}\)
FIRST: Highlight the common factors{ 5 , m and\(n^{2}\))
\(5mn^{2} (2+ 5m^{2} n)\)
a factor of 24 is chosen at random what is the probalility as a decimal that its a 2 digit numbers
Answer:
1/4 as fraction
0.25 as decimal
= 0.25
Step-by-step explanation:
Factors of 24 starting at 1 are:
1 x 24 = 24
2 x 12 = 24
3 x 8 = 24
4 x 6 = 24
Then the pattern repeats in decreasing orders of products of numbers . 6 x 4, 8,x 3 etc which are duplicates of the ones shown above
Factors of 24 are:
1, 2, 3, 4, 6, 8, 12, 24
There are 8 factors
Out of the 8 factors, only two - 12 and 24 are two digit numbers
P(factor is a 2 digit number = # two-digit numbers/Total # factors
= 2/8
= 1/4
= 0.25
Answer:
1/4 as a fraction
0.25 as decimal
0.25
follow me if my answer was helpful to you
(8-b) + (5b + 6) what is the answer?
Answer: \(4b+14\)
\(2*(2b+7)\)
Step-by-step explanation:
\((8-b)+(5b+6):8-b+5b+6\)
\(-b+5b+8+6\)
\(-b+5b+14\)
\(=4b+14\)
Therefore your answer is \(2*(2b+7)\), in other words, 4b+14A survey was given to a random sample of 400 residents of a town to determine whether they support a new plan to raise taxes in order to increase education spending. Of those surveyed, 168 respondents said they were in favor of the plan. Determine a 95% confidence interval for the proportion of people who favor the tax plan, rounding values to the nearest thousandth.
Given the equation \(5^(-2x -10) = 25^(x + 1)\), solve for the value of x that will make the equation true.
Answer:
x is -3
Once the expression has equal bases, it is a bit easier
What is a closed line of credit? a. a line of credit with a set maximum credit limit. b. a line of credit with no interest rate. c. a line of credit with a fixed total amount. d. a line of credit with a legally mandated repayment schedule. please select the best answer from the choices provided a b c d
Answer:
c
Step-by-step explanation:
a line of credit with a fixed total amount.
The closed line of the credit is the line of credit with the fixed total amount. Option c is the correct option.
What is a line of credit?On the bases of the requirement, a person or firm takes the open or closed line of credit.
Open Line of Credit-This is a type of short period of loan in which many credit and deposit can be make, for example credit cards.Closed Line of Credit-This type of credit has to be repaid with total amount. The period of such credit is longer than the open line of credit. The deposits is make single time with fixed total amount.Thus, the closed line of the credit is the line of credit with the fixed total amount. Option c is the correct option.
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NO LINKS! !) PTS ea. 8th grade Math
Erin charges $8 for each hour she babysits plus a one time $10 fee.
Which function can be used to determine how many dollars, m, Erin will make after working t hours?
m = 10t + 8
m = 8t + 10
m = 80t
m = 18t
Function g can be thought of as a translated (shifted) version of f(x)=x^2
Answer:
(x+4)^2-5
Step-by-step explanation:
To solve this we first need to shift the graph to the left 4 spots
We do this by adding 4 so we get
(x+4)^2
We then need the graph to go down 5 spots so we subtract by 5
This gives us
(x+4)^2-5
3. Travis gets a job which pays $22.50/h. Samantha
gets a job that starts at $0.01/h and doubles every
day. How long will it take before Samantha makes
more per hour than Travis?
a. 12 hours
b. 12 days
C. Samantha will never make more than Travis
d. 6 months
Answer: 12 days
Step-by-step explanation:
the rate of change of annual u.s. factory sales (in billions of dollars per year) of consumer electronic goods to dealers from 1990 through 2001 can be modeled as s(t) = 0.12t2 − t + 5.7 billion dollars per year
The rate of change of the annual u.s. factory sales in 2000 is 7.7 billion dollars per year
How to calculate the rate of changeFrom the question, we have the following parameters that can be used in our computation:
s(t) = 0.12t² − t + 5.7
In 2000, we have the value of t to be
t = 2000 - 1990
Evaluate
t = 10
So, we have
s(10) = 0.12 * 10² − 10 + 5.7
Evaluate
s(10) = 7.7
Hence, the rate in 2000 is 7.7 billion dollars per year
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Question
the rate of change of annual u.s. factory sales (in billions of dollars per year) of consumer electronic goods to dealers from 1990 through 2001 can be modeled as s(t) = 0.12t2 − t + 5.7 billion dollars per year
Calculate the rate of change in 2000
FILL THE BLANK. find the differential of the function. t = v 3 uvw dt =___ du dv dw
To find the differential of the function t = v^3uvw, we need to determine dt in terms of du, dv, and dw. The result is dt = 3v^2uvw dv + v^3uw du + v^3uw dw.
To find the differential of a function, we differentiate each variable separately and then multiply them by their respective differentials. In this case, we have t = v^3uvw, where t is a function of u, v, and w. To find dt, we differentiate t with respect to each variable and multiply them by their differentials. The result is dt = 3v^2uvw dv + v^3uw du + v^3uw dw. This expression represents the differential of the function t, where du, dv, and dw are the differentials of u, v, and w, respectively.
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Analysts at the Milk Company calculated the average price of a gallon of its milk over 10 years. The following table shows the years since 2010 and the average price of a gallon of milk at that time.
Years (since 2010) 0 1 2 3 4 5 6 7 8 9
Price (in dollars) 3.16 3.43 3.37 3.36 3.42 3.21 3.24 3.01 2.85 3.05
Which of the following representations is most appropriate for showing how the price changed each year?
The representation that is the most appropriate for showing how the price changed each year is given by:
The second graph.
How to choose the correct graph?There are two steps to identify the correct graph, as follows:
Obtain the input and the output variable.Classify the input variable as discrete or continuous.The input and the output variables are given as follows:
Input variable: Number of years since 2010.Output variable: Price of the gallon of milk.As the input variable is graphed on the horizontal axis, while the output variable is graphed on the vertical axis, the first and the fourth graphs are incorrect, as they have each variable on the wrong axis.
The price keeps changing throughout the years, that is, the price does not remain constant throughout the year, meaning that the domain is continuous, and thus the graph is composed by a solid line.
This means that the second graph is the correct graph in this problem. (the solid, approximately horizontal line).
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treating prostate disease a large study used records from canada’s national health care system to compare the effectiveness of two ways to treat prostate disease. the two treatments are traditional surgery and a new method that does not require surgery. the records described many patients whose doctors had chosen each method. the study found that patients treated by the new method were sig- nificantly more likely to die within 8 years.38
The cost and the patient's condition are other factors. For instance, a doctor might decide against suggesting surgery if a patient has very bad health because of the potential for additional difficulties. Then, we won't be able to tell if a higher death rate is a result of the therapy or the participants' pre-existing health.
What distinguishes surgical treatment from medicinal treatment? What distinguishes surgical procedures from nonsurgical ones?What Kinds of Practices Are Not Surgical?Any condition that necessitates a localised treatment, such as surgery or one of the many vascular procedures or radiation methods, is referred to as a surgical disease. A more comprehensive, pharmacological strategy to treat a medical issue is required.
"Non-surgical" treatments are also referred to as "non-invasive" procedures in the cosmetic industry. These techniques don't need cutting the skin or inserting tools into the body, in contrast to "invasive" surgical therapies.
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Suppose A=BC, where B is invertible. Show that any sequence of row operations that reduces B to also reduces A to C. The converse not true , since the zero matrix may be factored as 0= B .
Which of the following pieces of information in the problem statement are levant for showing that any sequence oi ToW operations that reduces B to also reduces A to C? Selec all that apply:
A The zero matrix may be iactored as 0= B*0.
B: A=B
C B is invertible_
D.The converse not true
Given the relevant pieces of information from the previous step, there exist ementary matrices E1,...,Ep corresponding to row operations that reduce to
I, in the sense that Ep
Applying the same sequence 0f row operations to amounts to lef-multiplying by the product
The Droof complete because C=IC=C
Suppose A=BC, where B is invertible. Show that any sequence of row operations that reduces B to also reduces A to C. The zero matrix may be factored as 0= B.
To show that any sequence of row operations that reduces B to also reduces A to C, the following pieces of information in the problem statement are relevant:
A. The zero matrix may be factored as 0= B * 0. This is not relevant for showing that any sequence of row operations that reduces B to also reduces A to C.B. A=B.
This is not relevant for showing that any sequence of row operations that reduces B to also reduces A to C.C. B is invertible. This is relevant for showing that any sequence of row operations that reduces B to also reduces A to C.D. The converse not true. This is relevant for showing that any sequence of row operations that reduces B to also reduces A to C.
Given the relevant pieces of information from the previous step, there exist elementary matrices E1, ..., Ep corresponding to row operations that reduce B to I, in the sense that Ep...E2E1B=I. Applying the same sequence of row operations to A amounts to left-multiplying by the product E1E2...Ep.
Therefore, A is transformed to C, since
C = IB = E1
E2...Ep
B = E1E2...EpA.
The proof is complete because C = IC = C.
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If a = 2, b = -3 and c = 4
. Evaluate C2 – b2 / a2
Answer: 4 1/2
Step-by-step explanation: you put 4 times 2 subtracted by -3 time 2 divided by 2 times 2
a) ¿Cuál es el coeficiente del término 23x5?
Answer:
El coeficiente del término 23x^5 es 23.
Step-by-step explanation: