All eligible voters voted for Shelley= 3/20 ,
All eligible voters voted for Morgan= 31/100, Morgan received most votes.
What is mean by multiplication?Multiplication is a mathematical operation that embodies the basic idea of numerous additions of the same number. The outcomes of multiplying two or more numbers are referred to as the product of those numbers, and the factors are the quantities that are multiplied. Multiplication facilitates the process of adding the same number again.
Let's suppose Precinct 5 has 100 registered voters. There were 50 voters who participated in the election because only 50% of those who were eligible to vote actually did so.
3/10 of the votes were cast for Shelley, which translated as 3/10 x 50 or 15 votes.
With 5/8 of the vote, Morgan received 5/8 x 50 votes, or 31.25 votes. Therefore, we must round this figure down to 31 votes as we are dealing with whole voters.
We must divide the number of votes received by the total number of eligible voters in order to determine the percentage of all eligible voters who cast a ballot for Shelley: 100 eligible voters x 15 votes = 3/20.
Morgan won the most votes since she received more than Shelley.
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a plane travels at a rate of x + 150 miles per hour. what expression would represent the distance it can travel in 2x + 1 hours?
Answer:
Step-by-step explanation:
The distance that the plane can travel in 2x + 1 hours can be found by multiplying the plane's rate (x + 150 miles per hour) by the time (2x + 1 hours):
Distance = Rate × Time
Distance = (x + 150)(2x + 1)
Simplifying this expression, we can use the distributive property of multiplication:
Distance = 2x(x) + 2x(1) + 150(x) + 150(1)
Distance = 2x^2 + 2x + 150x + 150
Finally, we can combine like terms:
Distance = 2x^2 + 152x + 150
Therefore, the expression that represents the distance that the plane can travel in 2x + 1 hours is 2x^2 + 152x + 150.
m-n/m^2-n^2 + ?/(m-1)(m-n) = 2m/m^2-n^2
To solve for the missing value, we need to first find a common denominator for the fractions on the left side of the equation. The common denominator is (m - n)(m + n)(m - 1). Thus, we can write:
[(m - n) - ?]/[(m - n)(m + n)(m - 1)] = 2m/(m^2 - n^2)
Next, we can cross-multiply to eliminate the fractions:
[(m - n) - ?](m^2 - n^2) = 2m[(m - n)(m + n)(m - 1)]
Simplifying the right side of the equation:
2m[(m - n)(m + n)(m - 1)] = 2m(m - n)(m + n)(m - 1)
= 2m(m^2 - n^2)(m - 1)
Expanding the left side of the equation:
[(m - n)(m + n) - ?](m^2 - n^2) = (m - n)(m + n)(m - 1)
Distributing the left side of the equation:
(m - n)(m^2 - n^2 + ?) = (m - n)(m + n)(m - 1)
Canceling out the common factor (m - n):
m^2 - n^2 + ? = (m + n)(m - 1)
Expanding the left side of the equation:
? = (m + n)(m - 1) - (m^2 - n^2)
Simplifying the right side of the equation:
? = m^2 - m + n^2 + n - m^2 + n^2
= 2n^2 - m + n
Therefore, the missing value is ? = 2n^2 - m + n.
A clinic has recorded the age, x, versus weight, y, of many babies for their first 12 months of life, and claim the line of best fit is ŷ = 0.60x + 3.3, where y is in kg, and x is in months.
A new baby, who is 10 months and weighs 10 kg, is added to the clinic records.
What is the residual of the data for this new baby?
The residual of the data for this new baby is 0.7
What is a linear equation?
An equation is said to be linear if the maximum power of the variable is consistently 1. Another name for it is a one-degree equation. A linear equation with one variable has the conventional form Ax + B = 0. In this case, the variables x and A are variables, while B is a constant. A linear equation with two variables has the conventional form Ax + By = C. Here, the variables x and y, the coefficients A and B, and the constant C are all present.
Here, we have
Given: A clinic has recorded the age, x, versus weight, y, of many babies for their first 12 months of life, and claims the line of best fit is ŷ = 0.60x + 3.3, where y is in kg, and x is in months.
ŷ = 0.60x + 3.3
Substitute, x=10
ŷ = 0.60(10) + 3.3 = 9.3
Residual = y - ŷ = 10 – 9.3 = 0.7
Hence, the residual of the data for this new baby is 0.7
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Help please this makes no sense to me. Can someone please explain?
Therefore option c is the best answer:
Define weight?
Weight is a measure of the force exerted on an object due to gravity. It is proportional to the mass of the object and the acceleration due to gravity. The standard unit of weight is the Newton (N) in the International System of Units (SI).
What exactly is MASS?
Mass is a measure of the amount of matter in an object. It is a scalar quantity and is usually measured in kilograms (kg) in the International System of Units (SI).
A box had 6pencils each pencil wt. x gram.
The 6pencil wt. a combined total is 54 gram.
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Select all of the following tables which represent y as a function of x and are one-to-one.
1. X: 1, 10, 13
Y: 3, 8, 12
2. X: 1, 10, 10
Y: 3, 8, 12
3. X: 1, 10, 13
Y: 3, 8, 8
For the given functions of x Table 2 is a one to one function. Table 2 is not a one to one function. Table 3 is not a one to one function.
What is one to one function?A one-to-one function is one in which every distinct input (or x-value) corresponds to a distinct output (or y-value). To put it another way, no two distinct inputs may result in the same outcome. Also, the same input cannot result in more than one output.
Injective functions are another name for one-to-one operations. They are crucial in many branches of mathematics, such as geometry, algebra, and calculus. A function's inverse, or new function that "undoes" the previous function by flipping the input and output variables, is defined in particular using one-to-one functions.
Table 1:
Because each x-value corresponds to a distinct y-value and each y-value to a unique x-value, Table 1 depicts y as a function of x and is one-to-one.
Table 2:
Because there are two separate y-values associated with the x-value of 10, Table 2 does not show y as a function of x. (8 and 12).
Table 3:
Because the y-value of 8 has two separate x-values, Table 3 does not show y as a function of x. (10 and 13).
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I have tried for days on this its due sunday I really need the answer pls
Answer:
Space explorer A traveled about 77,000 miles in roughly 10 hours.
Step-by-step explanation:
space traveler b travels about 155 miles faster per hour than space traveler A
HELPPPPPPP PLSSSSSS!!!!!!!!!!
The seats available to a baseball game come in four types: bleacher, box, club, and grandstand. There are 12.600 box seats and 5.400 club seats available.
According to the graph, what is the total number of seats available?
the total number of seats available is 45,000. just by using graph percentage and given information we are able to get answer
what is percentage?
A percentage is a way of expressing a number as a fraction of 100. It is represented by the symbol % (per cent), which means "per hundred".For example, if we say that a student scored 80% on a test, it means that they got 80 out of 100 possible points.
In the given question,
We know that the number of box seats available is 12,600 and the number of club seats available is 5,400.
Let's use the information about the percentages of grandstand and bleacher seats to find their actual numbers.
If grandstand seats make up 42% of the total seats, then we can write:
Grandstand seats = 0.42 x Total seats
Similarly, if bleacher seats make up 18% of the total seats, we can write:
Bleacher seats = 0.18 x Total seats
We can now add up the number of seats in each category to find the total number of seats:
Total seats = Box seats + Club seats + Grandstand seats + Bleacher seats
Total seats = 12,600 + 5,400 + 0.42 x Total seats + 0.18 x Total seats
Simplifying the equation, we get:
Total seats = 18,000 + 0.6 x Total seats
0.4 x Total seats = 18,000
Total seats = 45,000
Therefore, the total number of seats available is 45,000..
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In a large population of nurses, suppose 20% of the nurses would prefer the night shift. If a random sample of 10 nurses is taken, what is the probability that exactly 2 nurses prefer the night shift?
The probability of exactly 2 nurses preferring the night shift in a random sample of 10 nurses is approximately 0.302 or 30.2%.
What is binomial probability?A sort of probability distribution known as a binomial probability defines the likelihood of a certain number of successes (or "positive outcomes") in a predetermined number of independent trials with just two potential outcomes (often referred to as "success" and "failure").
According to the given information:
This is a binomial probability problem since we have a fixed number of trials (sampling 10 nurses) and two possible outcomes (nurses preferring or not preferring the night shift) with a known probability of success (20% or 0.2).
The probability of getting exactly 2 nurses who prefer the night shift can be calculated using the following formula:
P(X = k) = (n choose k) *[tex]p^{k} *(1-p)^{n-k}[/tex]
where:
P(X = k) is the probability of getting k successes (2 nurses who prefer the night shift)
n is the total number of trials (10 nurses)
k is the number of successes we want (2 nurses who prefer the night shift)
p is the probability of success (0.2, or 20%)
(n choose k) is the number of ways to choose k items from a set of n items, which can be calculated using the binomial coefficient formula: (n choose k) = n! / (k! * (n-k)!)
Substituting the values into the formula, we get:
P(X = 2) = (10 choose 2) * [tex]0.2^2 * 0.8^8[/tex]
= 45 * 0.04 * 0.16777216
= 0.301989888
Therefore, the probability of exactly 2 nurses preferring the night shift in a random sample of 10 nurses is approximately 0.302 or 30.2%.
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I need help a question
The scatterplot of the Median Value of Used Car Sales (in billions of pounds) to the Median Volume of Used Cars Sold (in millions) indicates;
(a) Independent variable; Median Volume of Used Cars Sold
Dependent variable; Median Value of Used Car Sales
(b) The median is less sensitive to outliers in the data than the mean
(c) The estimate of the median value is 20 billion pounds
(d) The predicted median value is about £28.185
(e) The other factors includes; The age, condition and location of the car, and the availability of financing.
What is a scatterplot?A scatterplot is a mathematical diagram or plot on Cartesian coordinates to display values of data points containing two variables in a dataset.
(a) The vertical axis of the scatter plot is the median value of used car sales in billions of pounds. The horizontal axis is the median volume of used cars sold in millions. Therefore;
The independent variable is the variable in the horizontal axis of a graph, which is the median volume of used cars soldThe dependent variable is the median value of used cars sold(b) The variability of the values in the scatter plot indicates that the possibility for outliers in the data.
The median value and median volume are used instead of the mean because of the lower sensitivity of the median to the outliers than the mean. The median is defined as the middle value in a set of data while the mean is the average of all the values in a dataset. Whereby the dataset consists of outliers, the outliers can skew the mean, while the outliers do not affect the median.
(c) The median value of the data point on the graph that corresponds to the 2.3 million median volume of used car sold is about 20 billion pounds. Therefore;
The estimate of the median value of sales if the median volume of used cars sold is 2.3 million is about 20 billion pounds.(d) The equation for the median value of used car sales, value = 30.97 - 1.211 × Volume, indicates that if the volume of used cars sold is 2.3 million, we get;
Value = 30.97 - 1.211 × 2.3 ≈ 28.185
Therefore, using the equation, 30.97 - 1.211 × Volume;
The median value of sales, if the median volume of used cars sold is 2.3 million is about 28.185 billion pounds(e) The other factors beside the price of the used cars that influence the volume of used cars sold includes the following factors,
The age of the car
The car's condition
The car's location
The availability of financing
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What is the value of X in the equation 10 X -9 equals -49?
Could you [please help me with the question in the screenshot thank you
The bias of the estimator is 1/45, so correct option is A.
Describe Proportion?In mathematics, a proportion is a statement that two ratios are equal. A ratio is a comparison of two quantities, expressed as a fraction or a division of one quantity by another.
For example, the proportion "a/b = c/d" means that the ratio of a to b is equal to the ratio of c to d. This can also be written as "a : b = c : d", where the colon (:) represents the ratio symbol.
Proportions can be used to solve a variety of problems, such as finding unknown quantities in a ratio or comparing quantities that have different units. For instance, if a recipe calls for 2 cups of flour for every 3 cups of water, we can use proportions to determine how much flour and water we need if we want to make a larger or smaller batch.
The estimator for the true proportion of residents in support of the bypass road construction is given by:
p = (X + √2025/2) / 2025
We can see that this estimator involves adding √2025/2 to X, and then dividing the sum by 2025. Since √2025 = 45, we can simplify the estimator as:
p = (X + 45/2) / 2025
Now, we can find the expected value of the estimator:
E[p] = E[(X + 45/2) / 2025]
= (E[X] + 45/2) / 2025
To find the bias of the estimator, we need to compare its expected value to the true value of the parameter being estimated. Since we are estimating the proportion of residents in support of the bypass road construction, the true value of the parameter is the population proportion, denoted by p.
If the estimator is unbiased, then its expected value must equal the true value of the parameter, i.e., E[p] = p. Therefore, we have:
E[p] = (E[X] + 45/2) / 2025 = p
Solving for E[X], we get:
E[X] = 2025p - 45/2
Thus, the bias of the estimator is:
Bias[p] = E[p] - p
= (E[X] + 45/2) / 2025 - p
= [(2025p - 45/2) + 45/2] / 2025 - p
= (2025p - p) / 2025
= 44/2 x 2025
= 1/45
Therefore, the bias of the estimator is 1/45. Answer: A.
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The bias of the estimator is 1/45. The appropriate choise for the posed query is option (a).
What is proportion?In mathematics, a proportion is the assertion that both ratios are equal. A ratio is the division of one quantity by another or the comparison of two quantities given as a fraction.
The ratio "a/b = c/d," for instance, denotes that the ratio of a to b is equivalent to the ratio of c to d. This can also be expressed as "a: b = c: d," where the ratio sign is denoted by the colon (:).
Numerous issues can be resolved using proportions, like comparing amounts with various units or locating unknown values in a ratio. For instance, we may use proportions to calculate the amount of flour and water needed to make a larger or smaller batch of a recipe if it calls for 2 cups of flour and 3 cups of water.
The estimator for the actual percentage of residents in favour of building the bypass route is provided by:
p = (X + √2025/2) / 2025
As we can see, this estimator multiplies X by 2025/2 before dividing the result by 2025.
Since √2025 = 45, The estimator may be distilled down to:
p = (X + 45/2) / 2025
We can now determine the estimator's expected value:
E[p] = E[(X + 45/2) / 2025]
= (E[X] + 45/2) / 2025
We must contrast the estimator's expected value with the actual value of the parameter being estimated in order to determine its bias. The population proportion, given by p, is the genuine value of the parameter because we are calculating the percentage of residents who support the construction of the bypass route.
If the estimator is impartial, then its predicted value must match the parameter's true value, or E[p] = p. As a result, we have:
E[p] = (E[X] + 45/2) / 2025 = p
Solving for E[X], we get:
E[X] = 2025p - 45/2
As a result, the estimator's bias is:
Bias[p] = E[p] - p
= (E[X] + 45/2) / 2025 - p
= [(2025p - 45/2) + 45/2] / 2025 - p
= (2025p - p) / 2025
= 44/2 x 2025
= 1/45
As a result, the estimator's bias is 1/45. Answer: A.
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A rectangle has a width of 13 inches and a length of inches. Write an expression representing the area of the rectangle
Answer:
Step-by-step explanation:
let l = the length of the rectangle
area of the rectangle (A) = 13 * l
Kylie brought 5 pears to soccer practice to share with her teammates. She cuts each pear into thirds. How many slices of pears does she have to share with her teammates? Which equations can you use to solve the problem? Select two equations. A. 5 × 3 = 15 B. 1 5 × 1 3 = 1 15 C. 1 5 × 3 = 3 5 D. 5 ÷ 1 3 = 15 E. 1 3 ÷ 5 = 1 15
The two equations that can be applied to the issue are as follows: A. 5 × 3 Equals 15 (multiplication) (multiplication) . B. 1/5 × 3 Equals 3/5 (multiplication and division) (multiplication and division)
what is equation ?An equation is a claim that two alternatives are equal in mathematics. The equals sign (=) is generally used to denote this claim. It is a mathematics assertion that two expressions are equal. Variables, constant, coefficients, and mathematical operations like addition, subtraction, multiply, and dividing can all be found in an equation. Finding the value(s) of both the variable(s) that render the equation true is the aim of an equation's solution.
given
Each of the five pears Kylie has is divided into thirds. She must therefore distribute the following quantity of pear slices to her teammates:
5 pears cut into 3 slices each equals 15 slices.
The two equations that can be applied to the issue are as follows: A. 5 × 3 Equals 15 (multiplication) (multiplication) . B. 1/5 × 3 Equals 3/5 (multiplication and division) (multiplication and division) .
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You purchase an old farmhouse for $175,000 with a 30% down payment. You have two loan options.
Loan #1: 7.25% for 20 years
Loan #2: 7.00% for 25 years
A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 19 subjects had a mean wake time of 104.0 min. After treatment, the 19 subjects had a mean wake time of 94.9 min and a standard deviation of 24.3 min. Assume that the 19 sample values appear to be from a normally distributed population and construct a 99% confidence interval estimate of the mean wake time for a population with drug treatments. What does the result suggest about the mean wake time of 104.0 min before the treatment? Does the drug appear to be effective?
Construct the 99% confidence interval estimate of the mean wake time for a population with the treatment.
The answer of the given question based on the confidence interval is , it suggests that the drug treatment has significantly reduced the mean wake time , the drug appears to be effective in treating insomnia in the older subjects.
What is Mean?Mean is a statistical measure of central tendency that represents the average of a set of numerical values. It is also referred to as the arithmetic mean or simply "the average." To calculate the mean, we add up all the values in the set and divide the sum by the number of values.
To construct the 99% confidence interval estimate of the mean wake time for a population with the treatment, we can use the following formula:
CI = x⁻ ± tα/2 (s/√n)
where x⁻ is the sample mean (94.9 min), s is the sample standard deviation (24.3 min), n is the sample size (19), and tα/2 is the critical t-value with α = 0.01/2 and degrees of freedom (d f) = n - 1.
The degrees of freedom for this sample is d f = 19 - 1 = 18. Using a t-table or a t-distribution calculator, we find that t0.005,18 = 2.878, where 0.005 is the tail probability for a 99% confidence interval (α/2 = 0.005).
Plugging in the values, we get:
CI = 94.9 ± 2.878 * (24.3/√19) = (80.36, 109.44)
Therefore, we can say with 99% confidence that the mean wake time for a population with the drug treatment falls between 80.36 and 109.44 minutes.
Regarding the mean wake time of 104.0 min before the treatment, we can compare it with the lower bound of the confidence interval (80.36 min). Since the lower bound is much lower than 104.0 min, it suggests that the drug treatment has significantly reduced the mean wake time.
Therefore, based on the confidence interval estimate, the drug appears to be effective in treating insomnia in older subjects.
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Consider the equation √6x+3 = x-2. Squaring the left side and simplifying results in
right side and simplifying results in
Squaring the
To solve the equation √6x+3 = x-2, we can start by squaring both sides of the equation:
(√6x+3)² = (x-2)²
Simplifying the left side of the equation, we get:
6x+3 = (x-2)²
Expanding the right side of the equation, we get:
6x+3 = x² - 4x + 4
Moving all the terms to one side, we get a quadratic equation:
x² - 10x + 1 = 0
To solve this quadratic equation, we can use the quadratic formula:
x = (-b ± √(b² - 4ac)) / 2a
Where a = 1, b = -10, and c = 1. Plugging these values into the formula, we get:
x = (10 ± √(100 - 4))/2
x = (10 ± √96)/2
x = 5 ± 2√6
Therefore, the solutions to the equation √6x+3 = x-2 are x = 5 + 2√6 and x = 5 - 2√6.
.In a different biology lab, a population of single-cell parasites also reproduces hourly. An equation which gives the number of parasites, , after hours is Explain what the numbers 100 and 3 mean in this situation.
Answer: p=50 h=2
Step-by-step explanation:
so its 50 x 2=100 is the answer then u add 3
A telephone company charges 50 cents for a
long distance call for the first two minutes, and
30 cents for each additional minute. Find the cost
of a 15-minute call.
Answer: $4.40 is the cost for the call
A tank contains 2760 L of pure water. Solution that contains 0.08 kg of sugar per liter enters the tank at the rate 3 L/min, and is thoroughly mixed into it. The new solution drains out of the tank at the same rate.
(a) How much sugar is in the tank at the begining? Y(0)= (kg)
(b) Find the amount of sugar after t minutes. y(t)= (kg)
(c) As t becomes large, what value is y(t) approaching ? In other words, calculate the following limit y(t) as t approcahes infinity. (kg)
a) the initial condition as 0 kg sugar in the tank at time = 0 (pure water)
b) with the net rate of change the amount of sugar after t minutes is S(t) = 236.8 [1 - e (t/740)]
c) time goes to infinity, the amount of sugar in is 236.8 kg.
a) Let A(t) denote the amount of sugar in the tank at time. The tank starts with only pure water, so A(0) = 0 OR you can say that you give the initial condition as 0 kg sugar in the tank at time = 0 (pure water)
b) Sugar flows in at a rate of (0.07 kg/L) * (7 L/min) = 0.49 kg/min = 49/100 kg/min and flows out at a rate of (A(t)/1080 kg/L) * (7 L/min) = 7A(t)/1080 kg/min, so that the net rate of change of is governed by the ODE, multiply both sides by the integrating factor to condense the left side into the derivative of a product, if t = time and S(t) is the amount of sugar in the tank as a function of time, then the equation that we get is S(t) = 236.8 [1 - e (t/740)]
c) As t---> ∞, the exponential term converges to 0 and we're left with the means when time goes to infinity, the amount of sugar in is 236.8 kg.
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Glen received 6 birthday cards. If he is equally likely to read the cards in any order, what is the probability he reads the card from his parents and the card from his sister before the other cards?
Parents Card = 1/6 cards Glen has. 1/6=0.1666667, as a percet 16.6667%
Sister Card = 1/6 cards Glen has. 1/6=0.1666667, as a percet 16.6667%
Suppose in an orchard the number of apples
in a tree is normally distributed with a mean
of 300 and a standard deviation of 30 apples.
Find the probability that a given tree has
between 270 and 330 apples.
210 240 270 300 330 360 390
P = [?]%
Hint: use the 68-95 99.7 rule.
Enter
To find the probability that a given tree has between 270 and 330 apples, we need to calculate the area under the normal curve between the z-scores corresponding to 270 and 330.
How is probability of an event determined?First, we need to convert the values of 270 and 330 to z-scores using the formula:
z = (x - μ) / σ
where x is the value we want to convert, μ is the mean of the distribution, and σ is the standard deviation.
For x = 270, we get:
z = (270 - 300) / 30 = -1
For x = 330, we get:
z = (330 - 300) / 30 = 1
Using the 68-95-99.7 rule, we know that approximately 68% of the area under the normal curve is within one standard deviation of the mean, 95% is within two standard deviations, and 99.7% is within three standard deviations.
Since the z-scores for 270 and 330 are within one standard deviation of the mean (i.e., they are both less than 1 standard deviation away from the mean of 300), we can use the 68% rule to estimate the probability that a given tree has between 270 and 330 apples.
According to the 68% rule, approximately 68% of the trees will have between 270 and 330 apples.
Therefore, P = 68%.
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The following are the components in Pharoah Company’s income statement.
Determine the missing amounts.
Sales Revenue
Cost of Goods Sold
Gross Profit
Operating Expenses
Net Income
(a) $83,000
$enter Cost of goods sold in dollars
$32,700
$enter Operating expenses in dollars
$18,300
(b) $111,100 $74,100
$enter Gross profit in dollars
$enter Operating expenses in dollars
$23,300
(c)
$enter Sales Revenue in dollars
$80,500 $82,500 $47,900
$enter Net income in dollars
Cost of Products Sold is equal to $111,100 minus $97,400, or 13,700 as the formula for Net Income, the amount is $74,100.
what is amount ?The word "amount" in mathematics typically denotes the number or size of something that can be counted, measured, or computed. It is applicable to several fields, including geometry, arithmetic, algebra, statistics, and calculus. An amount, for instance, can also be used to describe the sum of a group of numbers after addition. An unknown number or value that needs to be factored into an equation in algebra is referred to as an amount.
given
(a) Gross Profit = Sales Revenue - Cost of Items Sold ($83,00)
When provided, Gross profit equals $32,700, therefore
Cost of Goods Sold is equal to $83,000 - $32,700 ($50,300).
Running Costs = $18,300
Operational costs minus Gross Profit gives you Net Income.
$32,700 - $18,300 = $14,400 is the net income.
Sales revenue equals $111,100 in (b).
Sales revenue minus gross profit equals cost of goods sold.
When provided, Operational Costs = $23,300, yet there is no gross profit, so:
Sales revenue minus costs of goods sold equals gross profit.
Total Revenue = $111,100 - Selling Prices for Items
Operational expenses minus gross profit equals $74,100 in net income.
Using the formula for Net Income, the amount is $74,100: Gross Profit - $23,300
Gross Profit: $97,400 ($74,100 + $23,300).
Cost of Products Sold is equal to $111,100 minus $97,400, or 13,700 as the formula for Net Income, the amount is $74,100.
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Part C
Now you will attempt to copy your original triangle using only two of its sides and the included angle:
Using point E as the center, draw a circle with a radius equal to the length of
, which you calculated in part B.
Using point E as the vertex and
as one side of the angle, create an angle that is equal to the measure of
. Draw ray
.
Locate the intersection of the ray and the circle, and label the point F.
Complete
by drawing a polygon through points D, E, and F.
Take a screenshot of your results, save it, and insert the image below
After answering the provided question, we can conclude that To circle complete the copied triangle, draw a polygon through points D, E, and F.
What is circle?A circle appears to be a two-dimensional component that is defined as the collection of all points in a jet that are equidistant from the hub. A circle is typically depicted with a capital "O" for the centre and a lower section "r" for the radius, which is the distance from the origin to any point on the circle. The formula 2r gives the girth (the distance from the centre of the circle), where (pi) is a proportionality constant roughly equal to 3.14159. The formula r2 computes the circumference of a circle, which refers to the amount of space inside the circle.
Follow these steps to duplicate the original triangle using only two of its sides and the included angle:
Find the point where the ray and the circle intersect. Place the tip of the compass at point E and draw an arc that intersects the circle twice. Label the point that is on the same side of side AC as point B as point F.
To complete the copied triangle, draw a polygon through points D, E, and F.
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Find the quotient of 6x³-18x²-12x
-6x
-x²-3x-2
x²-18x-12
-x² + 18x-12
-x² + 3x + 2
Therefore , the solution of the given problem of equation comes out to be (-x² + 3x + 2) / (x² - 18x - 12) = -x + 15.
What is equation?Variable words are commonly used in complex algorithms to show consistency between two contradictory claims. Academic expressions called equations are used to show the equality of various academic numbers. Instead of another algorithm that can analyze data given by y + 7, split 12 to two parts, and produce y + 7, leveling produces b + 7 in this instance.
Here,
We can use long division to determine the quotient of the given polynomial division problems. Let's begin with the initial issue:
2x² - 5x
-6x | 6x³ - 18x² - 12x + 0
- (6x³ - 18x²)
----------------
0 - 12x²
- (-12x² + 0x)
---------------
0 - 12x
- (0 - 12x)
----------
0
As a result, 2x2 - 5x is the result of (6x3 - 18x2 - 12x) / (-6x).
Let's now turn our attention to the second issue:
-x + 15
x² - 18x - 12 | -x² + 3x + 2
x² - 15x
--------
18x + 2
18x - 270
--------
272
As a result, -x + 15 is the result of (-x² + 3x + 2) / (x² - 18x - 12).
Thus, the ultimate responses are:
(6x³ - 18x² - 12x) / (-6x) = 2x² - 5x
(-x² + 3x + 2) / (x² - 18x - 12) = -x + 15
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The average amount of money spent for lunch per person in the college cafeteria is $6.4 and the standard deviation is $2.03. Suppose that 48 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible.
The average amount of money spent for lunch per person in the college cafeteria is $6.45 and the standard deviation is $2.55. Suppose that 44 randomly selected lunch patrons are o
population mean is 6.45
population standard deviation is 2.55.
sample size is 44.
z-score is indicated because you are using population standard deviation and sample size is greater than 30.
Compare the sample mean to the population mean.The z-score formula is [tex](x - m) / s[/tex]
in this case, x is the sample mean, m is the population mean, s is the standard error.
[tex]standard error = standard deviation / sqrt(sample size0 = 2.55 / sqrt(44) = .3844[/tex] rounded to 4 decimal places.
z-score formula becomes [tex]z = (x - 6.45) / .3844[/tex]
solve for x to get:
[tex]x = .3844 * z + 6.45[/tex]
since you don't have a z-score, you can't find x.
the best you can do is find the critical z-scores, and hence, the critical raw scores.
In order to do that you need to to know the confidence level.
if you know that, you can find the critical z-scores and, from that, the critical x-scores.
we'll compare two confidence levels.
the first is at 99% confidence level.
the second is at 90% confidence level.
with a 99% two-tail confidence level, the critical z-scores are plus or minus 2.5758 rounded to 4 decimal places.
the critical raw scores are found by using the z-score formula.
you get [tex]x = .3844 * 2.5758 + 6.45 = 7.4401[/tex] for the high score.
you get x = [tex].3844 * -2.5758 + 6.45 = 5.4599[/tex] for the low score.
the 99% two-tail confidence level tells you that 99% of your samples of size 44 will have the sample mean between 5.4599 and 7.4401.
that's your 99% confidence interval.
with a 95% two-tail confidence level, the critical z-scores are plus or minus 1.9600 rounded to 4 decimal places.
the critical raw scores are found by using the z-score formula.
you get [tex]x = .3844 * 1.9600 + 6.45 = 7.2034[/tex] for the high score.
you get[tex]x = .3844 * -1.9600 + 6.45 = 5.6966[/tex] for the low score.
the 95% two-tail confidence level tells you that 95% of your samples of size 44 will have the sample mean between 5.6966 and 7.2034.
that's your 95% confidence interval.
the higher the confidence level, the wider the confidence interval when you are dealing with the same population mean and population standard deviation and same sample size.
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Correct and complete question:
The average amount of money spent for lunch per person in the college cafeteria is $6.45 and the standard deviation is $2.55.
Suppose that 44 randomly selected lunch patrons are observed.
Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible.
b. What is the distribution of x?
x-N(6.45,_________________)
This picture represents 1/4 of a distance. Which picture represents the whole distance?
(don't delete this question.)
Answer:
Option C---------------------------------
See the attached, where the given distance is copied over each option. Since the whole distance is 4 times the 1/4 of the distance, the correct choice is C.
help pls lots of points show work
The lengths of the variables are 17. x = 14√2, 18. x = 22.5√2, 19. x = 22√2, 20. x = 105√2 and other solutions are listed below
How to determine the lengths of the variablesQuestion 17 - 22
In a 45-45-90 triangle, also known as an isosceles right triangle, the two legs (the sides opposite to the two 45-degree angles) are congruent and the hypotenuse (the side opposite to the 90-degree angle) is equal to the √2 times the length of either leg.
Using the above, we have the following values
17. x = 14√2
18. x = 22.5√2
19. x = 22√2
20. x = 105√2
21. x = 88√2
22. x = 10
Question 23
Here, we have
sin(30) = 9/x
x = 18
y² = 18² - 9²
y² = 9√3
Question 24
Here, we have
cos(60) = y/4√3
y = 2√3
x² = (4√3)² - (2√3)²
x = 6
Question 25
Here, we have
sin(30) = 20/y
y = 40
x² = (40)² - (20)²
x = 20√3
Question 26
Here, we have
cos(60) = x/98
x = 49
y² = (98)² - (49)²
y = 49√3
Question 27
Using the definition above, we have
Leg = 38/√2
Leg = 19√2
Question 28
Using the definition above, we have
Hypotenuse = 77√2
Question 29
For the equilateral triangle, we have
Triangle length = x
This gives
tan(60) = 33/(x/2)
So, we have
x/2 = 33/tan(60)
x/2 = 33/√3
x = 22√3
So, the side lengths are 22√3 feet long
Question 30
Here, we have
Side length = 150 ml
So, the hypotenuse is
Hypotenuse = 150√2
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Simplify
5(x+1)-7(x-1)
Answer:
- 2x + 6
Step-by-step explanation:
Expand
5(x+1)-7(x-1) = 5x + 5 - 7x + 1 and upon adding, = - 2x +6
- 2x + 6 can also be written as 6 - 2x
plss!!!!!!!!!!!!!!!!!
Answer:
1. Decay of 51%
2. Growth of 51%
3. Decay of 49%
4. Growth of 49%
Step-by-step explanation:
Look at the number in the parentheses raised to the power t.
In the formula, you have (1 + r)^t.
The number in parentheses is 1 + r.
Set each number in parentheses equal to 1 + r and solve for r.
If r is positive, it is growth.
If r is negative, it is decay.
1.
1 + r = 0.49
r = 0.49 - 1
r = -0.51
Decay of 51%
2.
1 + r = 1.51
r = 1.51 - 1
r = 0.51
Growth of 51%
3.
1 + r = 0.51
r = 0.51 - 1
r = -0.49
Decay of 49%
4.
1 + r = 1.49
r = 1.49 - 1
r = 0.49
Growth of 49%
(x-2)(x+1)
(x-3)(x-1)²
3. Determine the asymptotes for y=
Answer: To find the vertical asymptotes of the given function, we need to find the values of x that make the denominator equal to zero. So, we set each denominator equal to zero and solve for x:
(x-3)(x-1)² = 0
x = 3 or x = 1
Therefore, the vertical asymptotes of the function occur at x = 3 and x = 1.
To find the horizontal asymptotes, we need to look at the degree of the numerator and denominator. Since both the numerator and denominator are degree 2, we can find the horizontal asymptote by dividing the leading coefficient of the numerator by the leading coefficient of the denominator. In this case, the leading coefficient of both the numerator and denominator is 1, so the horizontal asymptote is y = 1/1 = 1.
Therefore, the vertical asymptotes are x = 3 and x = 1, and the horizontal asymptote is y = 1.
Step-by-step explanation: