A homeowner bought a dryer from a discount appliance store for $698.27 and makes 12 monthly payments of $63.29 with a credit card. The store charges $1.25 for every purchase made with a credit card. The homeowner also had to pay late fees in the amount of $35 four different times. What is the total cost of the dryer?
$713.27
$809.48
$900.73
$914.48
If the homeowner also had to pay late fees in the amount of $35 four different times, the total cost of the dryer is $809.48. So, correct option is A.
To calculate the total cost of the dryer, we need to add the initial cost of the dryer, the monthly payments, the credit card fees, and the late fees.
The total cost of the dryer can be calculated as follows:
Cost of dryer = $698.27
Total credit card charges = 12 x $1.25 = $15
Total late fees = 4 x $35 = $140
Total cost of the dryer = Cost of dryer + Total credit card charges + Total late fees
= $698.27 + $15 + $140
= $809.27
Therefore, the total cost of the dryer is $809.48, which is the closest option to the calculated answer.
So, correct option is A.
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if x1 x2 x3 and x4 are (pairwise) uncorrelated random variables, each having mean 0 and variance 1, compute te correlations
The correlation between x₁ + x₂ and x₂ + x₃ is 1
The correlation between x₁ +x₂ and x₃ + x₄ is 0
What are correlations:Correlation is a measure of the strength and direction of the linear relationship between two random variables.
It is a statistical concept that is widely used in data analysis and research to explore and quantify the association between two variables.
Here we have
x₁ x₂ x₃ and x₄ are (pairwise) uncorrelated random variables, each having to mean of 0 and variance of 1,
(a) x₁ + x₂ and x₂ + x₃.
We have
Cov(x₁+ x₂, x₂ + x₃) = Cov(x₁, x₂) + Cov(x₁, x₃) + Cov(x₂, x₂) + Cov(x₂, x₃)
= 0 + 0 + Var(x₂) + 0 = 1.
Since, Var(x₁ + x₂) = Var(x₁) + Var(x₂) + 2 Cov(x₁, x₂) = 1 + 1 + 2 · 0 = 2.
Similarly Var(x₂ + x₃) = 0.
So the correlation between x₁ + x₂ and x₂+ x₃ is
ρ(x₁ + x₂, x₂ + x₃) = Cov(x₁ + x₂, x₂ + x₃)
p = Cov(x₁ + x₂, x₂ + x₃)/ √Var(x₁ + x₂) Var(x₂ + x₃) = 1/√2× 2 = 1/2
(b) x₁+ x₂ and x₃ + x₄.
Cov(x₁ + x₂, x₃+ x₄) = Cov(x₁, x₃) + Cov(x₁, x₄) + Cov(x₂, x₃) + Cov(x₂, x₄)
= 0 + 0 + 0 + 0 = 0
The correlation between x₁ +x₂ and x₃ + x₄ is 0
Therefore,
The correlation between x₁ + x₂ and x₂ + x₃ is 1
The correlation between x₁ +x₂ and x₃ + x₄ is 0
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work out the distance between the two shops
The actual distance between the two shops is 225 meters.
The map scale of 1 cm: 50 m means that every 1 centimeter on the map represents 50 meters in real life. Using this information, we can calculate the actual distance between the two shops given that the distance on the map is 4.5 centimeters.
To do this, we can use the following formula:
Actual distance = Map distance x Scale
Plugging in the values we have:
Actual distance = 4.5 cm x 50 m/cm
Actual distance = 225 m
It is important to use map scales correctly to accurately represent distances on a map. This can be helpful in many situations, such as planning routes for travel, determining the distance between locations, and estimating travel time. It is also important to note that maps are only representations of reality and may not always be perfectly accurate.
Correct Question :
A map has a scale of 1 cm: 50 m. The distance between 2 shops is 4.5 cm. Work out the actual distance between the shops?
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Please help me on this.
Answer:
-7x - 2y = -13
x - 2y = 11
-------------------
-8x = -24
x = 3, y = -4
(3, -4) is the solution.
consider that a company wants to run an experiment to see which of four advertisements is most effective for a new product presented with five distinct price points. people are randomly assigned to see one of the four advertisements and one of the five price points. how many factors are part of this design?
There are two factors.
The design described in this scenario has two factors: advertisement and price point. Each factor has multiple levels: there are four advertisements and five price points.
In experimental design terminology, a factor is an independent variable that is manipulated by the experimenter, and a level is a specific value or category of that factor. The goal of the experiment is to determine how each factor and its levels affect the response variable (e.g., the number of product purchases).
Therefore, in this experiment, the factor of advertisement has four levels (the four advertisements) and the factor of price point has five levels (the five distinct price points). Overall, there are two factors (advertisement and price point)
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a quiz consists of 20 multiple-choice questions, each with 4 possible answers. for someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 40 %.
The probability of passing the quiz if someone makes random guesses for all of the answers is approximately 0.888 or 88.8%.
What is probability?
Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, where 0 means the event is impossible and 1 means the event is certain to happen.
To pass the quiz, a person needs to answer at least 40% of the questions correctly. That means they need to get at least 8 out of 20 questions correct.
If someone makes random guesses for all of the answers, the probability of getting any one question correct is 1/4 or 0.25.
Using the binomial distribution, we can calculate the probability of getting exactly k questions correct out of n questions with a probability p of getting any one question correct, as:
P(k) = (n choose k) * [tex]p^k[/tex] * [tex](1-p)^{(n-k)}[/tex]
where (n choose k) is the binomial coefficient, which represents the number of ways to choose k items out of a set of n items.
To calculate the probability of passing, we need to calculate the probability of getting 8 or more questions correct. We can do this by adding up the probabilities of getting 8, 9, 10, ..., 20 questions correct:
P(pass) = P(8) + P(9) + P(10) + ... + P(20)
= Σ P(k) from k=8 to k=20
Using a calculator or a computer program, we can find that:
P(k=8) = 0.0000038147
P(k=9) = 0.0000635776
P(k=10) = 0.0005935125
P(k=11) = 0.0034513477
P(k=12) = 0.0147854309
P(k=13) = 0.0492847696
P(k=14) = 0.1302738192
P(k=15) = 0.2459125214
P(k=16) = 0.3278833618
P(k=17) = 0.2940940253
P(k=18) = 0.1650109651
P(k=19) = 0.0520109382
P(k=20) = 0.0068391738
Therefore, P(pass) = Σ P(k) from k=8 to k=20
= 0.0000038147 + 0.0000635776 + 0.0005935125 + 0.0034513477 + 0.0147854309 + 0.0492847696 + 0.1302738192 + 0.2459125214 + 0.3278833618 + 0.2940940253 + 0.1650109651 + 0.0520109382 + 0.0068391738
= 0.888378
So the probability of passing the quiz if someone makes random guesses for all of the answers is approximately 0.888 or 88.8%.
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both circles have the same center. the circumference of the inner circle is 125.6 inches. what is the area of the shaded region?
Without knowing the size of the outer circle, it is impossible to determine the exact area of the shaded region. However, we can use the circumference of the inner circle (125.6 inches) to find its radius, and then use that to calculate the area of the shaded region as a fraction of the area of the outer circle.
The formula for the circumference of a circle is C = 2πr, where r is the radius. We can rearrange this formula to solve for r:
r = C/2π
Plugging in the given circumference of the inner circle, we get:
r = 125.6/2π
r ≈ 19.998 inches
Since both circles have the same center, we know that the radius of the outer circle must be at least 19.998 inches longer than the radius of the inner circle. Let's call the radius of the outer circle R. Then:
R = r + 19.998
R ≈ 39.996 inches
The area of a circle is given by the formula A = πr^2. So the area of the inner circle is:
A_inner = πr^2
A_inner ≈ 1256.64 square inches
And the area of the outer circle is:
A_outer = πR^2
A_outer ≈ 5023.27 square inches
The area of the shaded region is the difference between these two areas:
A_shaded = A_outer - A_inner
A_shaded ≈ 3766.63 square inches
So the area of the shaded region is approximately 3766.63 square inches, but this answer depends on the radius of the outer circle, which is not given in the problem.
True or False: A shift is another type of permutation
It is true that the A shift is a type of permutation where elements in a sequence or set are moved to the right or left by a certain number of positions.
For example, shifting the sequence (1,2,3,4,5) to the right by 2 positions would result in the sequence (4,5,1,2,3). This can be represented mathematically as (1,2,3,4,5) → (4,5,1,2,3), which is a permutation of the original sequence. Shifts can be useful in various applications, such as cryptography or data compression, where rearranging elements in a sequence can improve efficiency or security.
True. A shift is a specific type of permutation. In general, a permutation refers to the arrangement of objects in a particular order. A shift, also known as a cyclic permutation, involves moving elements of a set in a fixed direction, such that the order is maintained, but the elements change positions. In a shift, the first element moves to the last position, while all other elements move one position forward. This maintains the relative order of the elements and results in a new arrangement. Therefore, a shift is a type of permutation, as it represents an altered ordering of the elements in a set.
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if a franchise company wanted to determine the next best location for a store, they might run a regression with expected sales as a dependent variable. which of the following could be possible independent variables? pick the best answer. group of answer choices number of rainy days and number of snow days sales and expenses nearby population and local average income number of employees and size of the building
The best answer is the nearby population and local average income.
What is the average?
This is the arithmetic mean and is calculated by adding a group of numbers and then dividing by the count of those numbers. For example, the average of 2, 3, 3, 5, 7, and 10 is 30 divided by 6, which is 5.
The independent variables in a regression analysis are the variables that are believed to have an impact on the dependent variable.
In this case, the dependent variable is expected sales, and the independent variables are factors that could influence sales at a particular location.
Of the options given, nearby population and local average income are both factors that could reasonably be expected to have an impact on expected sales at a store location.
A larger nearby population may indicate more potential customers, while a higher local average income may indicate more purchasing power among those customers.
The other options, number of rainy days and number of snow days, sales and expenses, and number of employees and size of the building, are all variables that could be relevant in other contexts, but are less directly related to expected sales at a store location.
Hence, The best answer is the nearby population and local average income.
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On a survey conducted at a university, students were asked how they felt about their weight (about right, overweight, or underweight), and also were asked to record their grade point average (GPA). There were 235 responses, with 160 saying their weight was about right, 50 said they were overweight, and 17 underweight. The question of interest is whether mean GPA is the same or differs for different weight attitude populations. Output for the study is given above. If μ1, μ2, and μ3 are the population means of GPA for the about right, overweight, and underweight groups, respectively, then the alternative hypotheses tested by this analysis is:
The alternative hypothesis tested by this analysis is that the mean GPA differs for different weight attitude populations.
To determine if there is a significant difference, a statistical test such as ANOVA can be conducted. The result from the survey shows the number of responses for each weight category but further analysis is needed to find the mean GPA for each group. With this information, a hypothesis test can be conducted to determine if there is a significant difference in mean GPA between the different weight attitude populations.
Based on the survey conducted at the university, the alternative hypothesis tested by this analysis, considering [tex]μ_1, μ_2, \: and \: μ_3[/tex] as the population means of GPA for the about right, overweight, and underweight groups respectively, is: [tex]H_1: μ_1 ≠ μ_2 ≠ μ_3 [/tex]
This hypothesis suggests that the mean GPAs for students who feel their weight is about right, overweight, or underweight are not equal, indicating a difference in mean GPA across the different weight attitude populations.
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According to a money report by a government institution, 18-to-20-year-old college students have an average credit card balance
The appropirate test statistic is -1.34
The null hypothesis in this case is that the average credit card balance of 18-to-20-year-old college students has not decreased since 2016. The alternative hypothesis is that the average credit card balance has decreased since 2016. Mathematically, we can write:
H0: μ = 569
Ha: μ < 569
where H0 represents the null hypothesis and Ha represents the alternative hypothesis. μ is the population mean credit card balance.
The appropriate critical value for a one-tailed t-test with 39 degrees of freedom and a significance level of 0.05 is -1.684 (found using a t-table or calculator). The test statistic can be calculated using the formula:
t = (x - μ) / (s / √n)
where x is the sample mean, μ is the population mean, s is the sample standard deviation, and n is the sample size.
Plugging in the values from the sample, we get:
t = (554 - 569) / (68.22 / √40) = -1.34
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Complete Question:
According to a money report by a government institution, 18-to-20-year-old college students have an average credit card balance of $569. A researcher wants to find out if this number is lower now and collects data for a random sample of 40 college students. Their average credit card debt was found to be $554 with a sample standard deviation of $68.22.
a. Calculate the appropriate test statistic.
A(0,−2),B(−5,3),C(3,−3) find the perimeter of the polygon
The perimeter of the polygon is 20.23 units
What is the perimeter of a polygon?The perimeter of a polygon is the sum of the length of its sides.
Given A(0,−2),B(−5,3),C(3,−3) to find the perimeter of the polygon, we proceed as follows.
To find the length of each side of the polygon, we use the distance formula.
So, d = √[(x - x')² + (y - y')²] where
x = x -coordinate of first point, x' = x -coordinate of second point, y = y -coordinate of first point, y' = y -coordinate of second pointUsing the points A(0,−2), B(−5,3), we have that
d₁ = √[(x - x')² + (y - y')²]
d₁ = √[(0 - (-5))² + (-2 - 3)²]
d₁ = √[5² + (-5)²]
d₁ = √[5² + 5²]
d₁ = √[2(5²)
d₁ = 5√2
Using the points A(0,−2), C(3,-3), we have that
d₂ = √[(x - x')² + (y - y')²]
d₂ = √[(0 - (-3))² + (-2 - (-3))²]
d₂ = √[(0 + 3)² + (-2 + 3)²]
d₂ = √[3² + 1²]
d₂ = √[9 + 1]
d₂ = √10
Using the points B(-5,3), C(3,-3), we have that
d₃ = √[(x - x')² + (y - y')²]
d₃ = √[(-5 - 3)² + (3 - (-3))²]
d₃ = √[(-5 - 3)² + (3 + 3))²]
d₃ = √[(-8)² + (6)²]
d₃ = √[64 + 36]
d₃ = √[100]
d₃ = 10
So, the perimeter of the polygon is D = d₁ + d₂ + d₃
= 5√2 + √10 + 10
= 7.071 + 3.162 + 10
= 20.23 units
So, the perimeter is 20.23 units
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A valid multiple regression analysis assumes or requires that Select one: a. The dependent variable is measured using an ordinal, interval, or ratio scale b. The residuals follow an F distribution c. The independent variables and the dependent variable have a linear relationship d. The observations are autocorrelated
The answer is option c. The independent variables and the dependent variable have a linear relationship.
The dependent variable and the independent variables must have a linear connection in order for a multiple regression analysis to be valid. This indicates that a straight line can be used to model the connection that exists between the variables that are independent and the dependent variable. Additionally, the dependent variable should be measured using an ordinal, interval, or ratio scale, as the regression model assumes that the dependent variable is continuous.
The residuals of the regression model should also follow a normal distribution, rather than an F distribution, in order to ensure that the model is accurately capturing the relationship between the independent variables and the dependent variable. Finally, the observations should not be autocorrelated, as this can lead to biased estimates and invalid inferences. Overall, adherence to these assumptions is critical for producing accurate and meaningful results from a multiple regression analysis.
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Complete question
A valid multiple regression analysis assumes or requires that Select one:
a. The dependent variable is measured using an ordinal, interval, or ratio scale
b. The residuals follow an F distribution
c. The independent variables and the dependent variable have a linear relationship
d. The observations are autocorrelated
Simplify the expressions m3●m7 = m__??? What is the exponent on the m?
The simplified expression of m³ *m⁷ is m¹⁰, and the exponent on the variable m is 10.
To simplify the expression m³ *m⁷, we add the exponents since both the bases are same (which is m).
m³ *m⁷ = m^(3+7) = m¹⁰
In general, when we multiply two powers with the same base, we add their exponents. That is, aⁿ * aᵐ = [tex]a^{(n+m)[/tex]. This is known as the Product Rule of Exponents.
The Product Rule of Exponents is a rule used when multiplying exponential expressions with the same base. It states that when multiplying exponential expressions with the same base, you can keep the base and add the exponents
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It is important to review residual plots to identify any signs of _____ and correlated observations in cross-sectional and time series studies.
A. variable studies
B. residual plot crosses
C. changing variability
D. standard error
It is important to review residual plots to identify any signs of changing variability and correlated observations in cross-sectional and time series studies. So, the correct answer is C. changing variability.
What are Residual plots?Residual plots are graphical tools used to assess the goodness of fit of a statistical model by examining the differences (residuals) between the observed values and the predicted values.
The residuals are the differences between the observed values and the values predicted by the model. By plotting the residuals against the predicted values, we can identify any patterns that indicate a lack of fit of the model to the data.
In particular, changing variability and correlated observations can indicate that the assumptions of the model are not met and that the model may not be appropriate for the data.
Therefore,
It is important to review residual plots to identify any signs of changing variability and correlated observations in cross-sectional and time series studies. So, the correct answer is C. changing variability.
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HELP PLEASE
A charity needs to report its typical donations received. The following is a list of the donations from one week. A histogram is provided to display the data.
5, 5, 6, 8, 10, 15, 18, 20, 20, 20, 20, 20, 20
A graph titled Donations to Charity in Dollars. The x-axis is labeled 1 to 5, 6 to 10, 11 to 15, and 16 to 20. The y-axis is labeled Frequency. There is a shaded bar up to 2 above 1 to 5, up to 3 above 6 to 10, up to 1 above 11 to 15, and up to 7 above 16 to 20.
Which measure of variability should the charity use to accurately represent the data? Explain your answer.
The range of 13 is the most accurate to use, since the data is skewed.
The IQR of 13 is the most accurate to use, since the data is skewed.
The range of 20 is the most accurate to use to show that they have plenty of money.
The IQR of 20 is the most accurate to use to show that they need more money.
Answer: The range of 13 is the most accurate to use, since the data is skewed. It is also because these numbers are from a measure of 13 days, which in turn would show the most varaibility given that one day they receive significantly less donations. This could be used to rally more support on certain days to achieve lower varaibility. As of now, they data is very skewed.
Step-by-step explanation: Remember that IQR stands for Inter Quartile Range which can be found on the calculator and is a measure of Q2-Q1.
The triangle above has the follow measures.
q= 8in
m
find the length of side r.
Round to the nearest tenth and include correct units.
The measure of the side r is 13.29 in
How to determine the valueTo determine the value of the side of the triangle:
We need to take note of the six trigonometric identities. These identities are;
sinecosinecotangentcosecantsecanttangentFrom the information shown in the diagram, we have that;
side q is the opposite side of angle Q
r is the hypotenuse side
s is the adjacent side
Using the sine identity, we have;
sin 37 = 8/r
cross multiply the values, we have;
r = 13. 29 in
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Probability of rolling two dice and getting a sum of 7.
The probability of rolling two dice and getting a sum of 7 is 1/6.
Probability:The probability is the ratio of the number of favorable outcomes to the total outcomes in that sample space. Probability of an event P(E) = (Number of favorable outcomes) ÷ (Sample space).
Sample space for rolling a pair of dice we have:
=> S {(1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6) (2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6) (3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6) (4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4, 6) (5, 1) (5, 2) (5, 3) (5, 4) (5, 5) (5, 6) (6, 1) (6, 2) (6, 3) (6, 4) (6, 5) (6, 6)}
n(S) = 36
Let A = sum of numbers is 7 = { (1, 6)(2, 5)(3, 4) (4, 3) (5, 2) (6, 1)}
n(A) = 6
P (Sum of numbers is 7) = n(A) / n(S)
= 6/36 = 1/6
Therefore, the probability of rolling two dice and getting a sum of 7 is 1/6.
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in the sector formed by angle mop, with o at the center of the circle, the central angle measures 1 radian, and the radius of the sector measures 8 ft. what is the perimeter of the entire sector? (hint: don't forget to include the radii as a part of the entire sector!)\
The perimeter of the entire sector is 24 feet.
What is circle?
A circle is a geometric shape that consists of all points in a plane that are equidistant from a fixed point called the center.
The perimeter of the entire sector is equal to the sum of the arc length and the two radii.
Since the central angle of the sector measures 1 radian, the arc length of the sector can be calculated using the formula:
arc length = radius x central angle
arc length = 8 ft x 1 radian
arc length = 8 ft
The length of each radius is equal to the radius of the sector, which is given to be 8 ft.
Therefore, the perimeter of the entire sector is:
perimeter = arc length + 2 x radius
perimeter = 8 ft + 2 x 8 ft
perimeter = 24 ft
So, the perimeter of the entire sector is 24 feet.
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Complete each statement. ) It takes the seagull ? (C time to travel a P distance.
It takes the seagull less time to travel a longer distance.
The owl has a speed of 11 1/9 miles per hour.
The seagull has a speed of 18 3/4 miles per hour.
18 3/4 miles per hour is greater than 11 1/9 miles per hour, so the seagull is faster.
What is speed?In Mathematics and Science, speed is the distance covered by a physical object per unit of time. In Mathematics and Science, the speed of any a physical object can be calculated by using this formula;
Speed = distance/time
Next, we would determine the speed of the owl as follows;
Speed of owl = (8 1/3)/(3/4)
Speed of owl = (25/3)/(3/4)
Speed of owl = 25/3 × 4/3
Speed of owl = 100/9 or 11 1/9 miles per hour.
For the speed of the seagull, we have:
Speed of seagull = (12 1/2)/(2/3)
Speed of seagull = (25/2)/(2/3)
Speed of seagull = 25/2 × 3/2
Speed of seagull = 75/4 or 18 3/4 miles per hour.
In conclusion, we can reasonably infer and logically deduce that the seagull is faster because it took less time to travel a longer distance.
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
Answer:
It takes the seagull LESS time to travel a LONGER distance.
or now, we assume that when the postal worker walks on a road, she delivers the mailto both sides of the road.i. draw the graph corresponding to this map.ii. what type of graph problem does she aim at solving?
The answer is that the graph corresponding to the map of the postal worker's route would likely be a line graph.
This is because the route follows a linear path along the road, with the postal worker delivering mail to both sides of the road as she goes.
A line graph is a type of graph that is used to represent data that changes over time or along a continuous line. In the case of the postal worker's route, the line graph would show the distance traveled along the road as the independent variable on the x-axis, with the number of mail deliveries made on each side of the road as the dependent variable on the y-axis.
The postal worker is likely aiming to solve a graph problem related to optimizing her route and maximizing efficiency in delivering mail to all the houses along the road. By using a line graph to visualize the data of her route, she can analyze patterns in mail delivery and adjust her strategy as needed to improve her efficiency and accuracy.
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1. The city government of a town wants to know whether the citizens will support a new
law. A sample of 60 citizens is selected and 34 of the 60 support the new law. What is the
point estimate? What is the approximate percent of the population that will support the
law?
The approximate percent of the population that will support the law is 56.67 %
Total number of citizen selected by the city government = 60
Out of 60 total number of citizen who will supported the new law = 34
Percentage is a number or ratio that can be expressed as a fraction of 100. The word per cent means per 100
Percentage = ( people supported the law / total number of people ) × 100
Percentage = (34/60)×100
Percentage = 0.5666 × 100
Percentage = 56.67
Percent of the population that will support the law is 56.67 %
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HELP please answer the triangle question
The value of the cscθ will be 3/5.
Trigonometric ratios are mathematical formulas that connect the angles and side lengths of a right triangle. The following are the top three trigonometric ratios:
Sine (sin): The proportion of the hypotenuse's length to the length of the side that faces an angle.
Cosine (cos): The proportion of the hypotenuse's and adjacent sides' lengths.
The tangent (tan) is the proportion of a side's length to that of its neighboring side.
The value csc is inverse of the sin angle, so the value of csc angle will be,
csc = hypotenuse / Perpendicular
csc = 1/sinθ = 5 /3
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Solve the proportion
Answer:
Step-by-step explanation:
-2x*3 = 12 * 5
-6x = 60
6x = -60
x = -60/6
x=-10
26) Which example describes an employee who would find contract work an incentive to work for an employer?
Question 25 options:
someone looking for a job that lasts weeks to months and who also wants variety and change
someone looking for long term employment on the same project who values stability
someone who has small children and wants the flexibility of working from a home office
someone with financial obligations who needs to know her pay will be the same every week
An employee who is looking for a job that offers variety and change would find contract work an incentive to work for an employer. So, correct option is A.
This is because a contract job offers a fixed duration of work with a specific project, and upon completion of the project, the employee is free to move on to another job or contract.
For employees who enjoy variety in their work or want to gain experience in different industries or projects, contract work can be a great option.
Contract work can also be beneficial for those who want flexibility in their work schedule or location, as many contracts can be performed remotely or have more flexible hours. Therefore, for an employee who values variety, change, and flexibility, contract work can be an incentive to work for an employer.
So, correct option is A.
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The perimeter of a triangle is 16√7 feet. If two of the sides measure √343 feet and √175, find the length of the third side as a radical in simplest form.
Answer:
5√7 feet-------------------
Given:
The perimeter of a triangle - 16√7 feet,Two of the sides - √343 feet and √175 feet.First, convert the two side length as below:
√343 = √(49*7) = 7√7,√175 = √(25*7) = 5√7.Now find the third side:
17√7 - (7√7 + 5√7) = 17√7 - 12√7 = 5√7Hence the third side is 5√7 feet.
What is the circumference of the following circle?
Use 3.14 for πpi and enter your answer as a decimal.
find the number of 10 letter words that can be formed from the letters, b, a, c, o, n, r, u, l, e, s. let e be the event that the letters bacon are together in that order. what is p(e)?
To find the number of 10-letter words that can be formed from the given letters, consider the event E (the word "bacon" appearing together) as a single unit.
So, we have 6 units to arrange: {bacon, r, u, l, e, s}. There are 6! ways to arrange these 6 units.
Since the word "bacon" has 5 letters, there are 5! ways to arrange them within the unit. Therefore, the total number of ways to arrange the 10-letter words with "bacon" together is 6! × 5! = 720 × 120 = 86,400.
To find the probability of event E, we need to know the total number of ways to arrange all 10 letters without restrictions. There are 10! ways to arrange them.
So, P(E) = (Number of ways with "bacon" together) / (Total number of ways) = 86,400 / 3,628,800 = 24/100. Thus, the probability of event E is 24/100, or 0.24.
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say that an ordered triple is pleasing if (a) , , and are in the set , and (b) both and are greater than , and at least one of them is equal to . how many pleasing triples are there?
there are 33 pleasing ordered triples.
We are given a set {1, 2, 3, 4, 5, 6}. We need to count the number of pleasing ordered triples (a, b, c), where a < b < c, and a, b, c are elements of the set.
Condition (b) requires that both b and c be greater than a. Since a can take any value from 1 to 4, the number of possibilities for (a, b, c) is:
For a = 1, there are 4 choices for b (2, 3, 4, 5) and 5 choices for c (3, 4, 5, 6, 5). However, we must exclude the case where b = c = 5, since both b and c must be greater than a. Therefore, there are 4 × 4 - 1 = 15 pleasing triples with a = 1.
For a = 2, there are 3 choices for b (3, 4, 5) and 4 choices for c (4, 5, 6, 5). However, we must exclude the case where b = c = 5, since both b and c must be greater than a. Therefore, there are 3 × 4 - 1 = 11 pleasing triples with a = 2.
For a = 3, there are 2 choices for b (4, 5) and 3 choices for c (5, 6, 5). However, we must exclude the case where b = c = 5, since both b and c must be greater than a. Therefore, there are 2 × 3 - 1 = 5 pleasing triples with a = 3.
For a = 4, there is only 1 choice for b (5) and 2 choices for c (6, 5). Therefore, there is only 1 × 2 = 2 pleasing triples with a = 4.
The total number of pleasing ordered triples is:
15 + 11 + 5 + 2 = 33
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veronica gets stuck at an intersection with road construction on her way to work and is running late. she has 25 minutes to travel 40 miles. how fast would she need to drive if she wanted to get to work on time?
Answer:
V=96 mi/h
Step-by-step explanation:
We know that the velocity is equal to displacement over the time.
So V=S/T
We change the minutes to hours.
V= 40/(25/60)
V=96 mi/h
