Answer:
B = 96 - b
Step-by-step explanation:
B (The Buttons Left) would have to be 96 minus the amount of buttons given away.
Choose the correct description of the graph of the inequality x − 3 greater than or equal to 5. (5 points)
Open circle on 8, shading to the left.
Closed circle on 8, shading to the left.
Open circle on 8, shading to the right.
Closed circle on 8, shading to the right.
The correct description of the graph of the inequality x - 3 ≥ 5, is: D. Closed circle on 8, shading to the right.
How to Graph an Inequality?An inequality statement compares two unequal quantities. When plotting the graph of an inequality, if the inequality sign involve is "< or >", an open circle is used to mark the value of the variable on the number line, while a closed circle is used when the inequality sign involved is, "≤ or ≥".
Given the inequality, x - 3 ≥ 5, solve for x:
x - 3 ≥ 5
Add 3 to both sides
x - 3 + 3 ≥ 5 + 3 [addition property]
x ≥ 8
This means the possible values of x are greater than or equal to 8. The graph of the inequality would have a closed circle at 8, with the line shaded to the right on the number line.
The correct description is: D. Closed circle on 8, shading to the right.
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If suddenly a 4 percent inflation rate (instead of a zero percent inflation rate) is expected by both suppliers and demanders in the loanable funds market, then
The rate at which costs ascend throughout a given time is called Inflation Rate. For this present circumstance, the demand will move rightwards. It is option A.
The demand for loanable funds will shift right, and the supply of loanable funds will shift left if both suppliers and demanders in the loanable funds market suddenly anticipate an inflation rate of 4% instead of zero percent.
The market for loanable assets depicts how that getting occurs. The source of loans' available funds is saved. The demand for loanable funds is driven by borrowing.
The interaction between the demand for loans and the supply of savings determines both the real interest rate and the amount of money loaned. A moderate expansion of around 2% is really great for financial development. Customers are bound to purchase now instead of standing by when they anticipate that costs should rise.
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Question:
In the loanable funds market, if suppliers and demanders suddenly anticipate an inflation rate of 4% rather than zero percent, then:
a. The demand for loanable funds curve will shift rightward, and the supply of loanable funds curve will shift leftward;
b. The demand for loanable funds curve will shift leftward, and the supply of loanable funds curve will shift rightward;
c. Both the demand for loanable funds curve and the supply of loanable funds curve will shift leftward;
d. Both the demand for loanable funds curve and the supply of loanable funds curve will shift rightward
kingcade corporation keeps careful track of the time required to fill orders. data concerning a particular order appear below: hours wait time 20.0 process time 2.8 inspection time 1.8 move time 3.7 queue time 10.8 the throughput time was: group of answer choices 8.3 hours 19.1 hours 30.8 hours 39.1 hours
The throughput time for the particular order was option (d) 39.1 hours.
Throughput time is the total amount of time required for a product or service to move through a production or service delivery system, including all the time spent in processing, waiting, inspection, movement, and queuing.
The throughput time can be calculated as the sum of all the times involved in the process, including the waiting time, processing time, inspection time, move time, and queue time. Therefore:
Throughput time = Wait time + Process time + Inspection time + Move time + Queue time
Throughput time = 20.0 + 2.8 + 1.8 + 3.7 + 10.8
Throughput time = 39.1 hours
Therefore, the correct option is (d) 39.1 hours
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Over the last 3 months, Janet exercised a total of 101 hours
Answer: Ok where is the rest of the question?
Step-by-step explanation:
’ll give brainlist to whoever answer correct. Do not give any links or answer for points
This is a repost so I’ll give you brainlist if you answer on the other one to.
Answer:
Neither
Step-by-step explanation:
Consecutive means 1 right after the other. so they touch. and if they are SIDES then they must be intersecting somewhere along the way so they wouldn't be either of the other two.
the random variable x is known to be uniformly distributed between 70 and 90. the probability of x having a value between 80 to 95 is group of answer choices 0.05 0.5 0.75 1
The probability of x having a value between 80 to 95 is 0.75.
The probability of x having a value between 80 to 95 can be determined by calculating the proportion of the total range of x that falls within that interval. Since x is uniformly distributed between 70 and 90, the probability can be obtained by dividing the width of the desired interval (15) by the width of the entire range of x (90 - 70 = 20).
Using the formula for probability in a uniform distribution, we have:
Probability = (width of interval) / (width of range)
Probability = 15 / 20
Probability = 0.75
Therefore, the probability of x having a value between 80 to 95 is 0.75.
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The random variable x is known to be uniformly distributed between 70 and 90. the probability of x having a value between 80 to 95 is group of answer choices (a)0.05 (b)0.5 (c)0.75 (d)1
For each problem, select the best response (a) A x2 statistic provides strong evidence in favor of the alternative hypothesis if its value is A. a large positive number. OB. exactly 1.96 c. a large negative number. D. close to o E. close to 1. (b) A study was performed to examine the personal goals of children in elementary school. A random sample of students was selected and the sample was given a questionnaire regarding achieving personal goals. They were asked what they would most like to do at school: make good grades, be good at sports, or be popular. Each student's sex (boy or girl) was also recorded. If a contingency table for the data is evaluated with a chi-squared test, what are the hypotheses being tested? A. The null hypothesis that boys are more likely than girls to desire good grades vs. the alternative that girls are more likely than boys to desire good grades. OB. The null hypothesis that sex and personal goals are not related vs. the alternative hypothesis that sex and personal goals are related. C. The null hypothesis that there is no relationship between personal goals and sex vs. the alternative hypothesis that there is a positive, linear relationship. OD. The null hypothesis that the mean personal goal is the same for boys and girls vs. the alternative hypothesis is that the means differ. O E. None of the above. (C) The variables considered in a chi-squared test used to evaluate a contingency table A. are normally distributed. B. are categorical. C. can be averaged. OD. have small standard deviations. E. have rounding errors.
a) Option A, A x2 statistic provides strong evidence in favor alternative hypothesis if its value is a large positive number.
b) Option B, The null hypothesis that sex and personal goals are not related vs. the alternative hypothesis that sex and personal goals are related.
c) Option B, The variables considered in a chi-squared test used to evaluate a contingency table B. are categorical.
(a) A x2 statistic provides strong evidence in favor of the alternative hypothesis if its value is a large positive number. The x2 statistic is used in hypothesis testing to determine whether there is a significant difference between observed and expected frequencies. A large positive value indicates that the observed frequencies are significantly different from the expected frequencies, which supports the alternative hypothesis.
(b) The hypotheses being tested in a chi-squared test on a contingency table are the null hypothesis that sex and personal goals are not related vs. the alternative hypothesis that sex and personal goals are related. This test determines whether there is a significant association between two categorical variables.
(c) The variables considered in a chi-squared test used to evaluate a contingency table are categorical. These variables cannot be averaged or assumed to be normally distributed. The chi-squared test is used to analyze the relationship between two or more categorical variables, where each variable has a discrete set of categories.
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Rectangle ABCD is similar to rectangle LMNO Which series of transformations correctly maps rectangle ABCD to rectangle LMNO?
To map rectangle ABCD onto rectangle LMNO using transformations, we must first identify which transformations are necessary. Since the rectangles are similar, they have the same shape, but possibly different sizes and orientations. The series of transformations needed to map ABCD to LMNO include dilation, rotation, and translation.
1. Dilation: Since the rectangles are similar, their corresponding sides are proportional. Determine the ratio of corresponding side lengths between the rectangles, which is the scale factor (k) for dilation. Apply the dilation with the scale factor to rectangle ABCD to create a new rectangle of the same shape but with the size of rectangle LMNO.
2. Rotation: Determine the angle between corresponding sides of the rectangles to find the rotation angle. Perform the rotation transformation about an appropriate center point (possibly one of the vertices) to align the rectangles' orientations.
3. Translation: After dilation and rotation, translate rectangle ABCD so that its vertices coincide with the vertices of rectangle LMNO. Determine the vector (horizontal and vertical shifts) required for the translation by subtracting the coordinates of a vertex in the transformed ABCD rectangle from the corresponding vertex in rectangle LMNO.
Following these three transformations - dilation, rotation, and translation - rectangle ABCD will be correctly mapped onto rectangle LMNO, as both rectangles are similar, maintaining the same shape while potentially differing in size and orientation.
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-3/2(x - 5) = -12.
Answer:
x=13
Step-by-step explanation:
he perimeter of parallelogram ABCD is 80 cm. AD is 7 cm more than twice AB. Find the lengths of all four sides of ABCD.
Answer:
AB = 11
BC = 29
DC = 11
AD = 29
Step-by-step explanation:
First, draw out and label the parallelogram ABCD. I've done so for you below:
Now, to figure out what to label the sides, refer to:
AD is 7 more than twice AB.
"Than" means that whatever we write, we flip it. For example, 7 more then 5 would be 5+7. Though this may not be important for addition, it is for subtraction. For example, 7 less than 5. This would be 5-7, but if you wrote it wrong, it would be 7-5.
"Is" is key word for "=". So:
AD = 7 more than twice AB.
"Twice" means "two times." So:
AD = 7 more than 2(AB).
AD = 2(AB) + 7
Let's label AB as x.
If the perimeter is 80, then that means AD+AB+BC+DC=80.
We know that in a parallelogram, opposite sides are congruent. So:
AD+AD+AB+AB=80
(2x+7) + (2x+7) + x + x = 80
2(2x+7) +2x = 80
4x + 14 + 2x = 80
6x + 14 = 80
6x = 66
x = 11
AB = 11
AD = 2x + 7
= 2(11) + 7
= 22 + 7
= 29
In testing the hypotheses below, a statistician found that z = 2.45. What is the p-value?H0: μ = 34Ha: μ > 34Group of answer choicesThe question cannot be answered since alpha is not given..0071.9929.0142
In testing the hypotheses the p-value is 0.0071.
What is probability?Probability is a measure or quantification of the likelihood of an event occurring. It is a numerical value assigned to an event, indicating the degree of uncertainty or chance associated with that event. Probability is commonly expressed as a number between 0 and 1, where 0 represents an impossible event, 1 represents a certain event, and values in between indicate varying degrees of likelihood.
To find the p-value, we need to determine the probability of getting a z-score of 2.45 or higher if the null hypothesis is true (i.e. if the population mean is really 34).
Since this is a one-tailed test (Ha: μ > 34), we look up the area to the right of z = 2.45 in the standard normal distribution table.
Using a standard normal distribution table, the area to the right of z = 2.45 is approximately 0.0071.
Therefore, the p-value is 0.0071.
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If Aiyana now raises her rent, car, and non- essentials budget, what would likely happen?
A. Aiyana would still have extra to put in savings.
B. Aiyana would always overspend her budget.
C. Even with a higher income, Aiyana would not save.
D. Aiyana would still have extra to pay her credit card.
Answer: C. Even with a higher income, Aiyana would not save.
Step-by-step explanation: When Aiyana increases her expenses for rent, car, and non-essentials, it means that she is allocating more of her income towards these categories. As a result, her disposable income, or the amount of money left after paying for necessary expenses, would decrease.
If Aiyana's income remains the same and she increases her expenses, it would lead to a situation where her expenses exceed her income. This would make it difficult for her to save money since she would be spending more than what she earns.
describe how to estimate the regression function (equivalently, a,b) by the least-squares principle. notes: you only need to provide a description. this is an example of a nonlinear regression model.
The estimates are used to construct the estimated regression equation:
ŷ = b0 + b1x.
What is the estimation of the regression function?Regression analysis is typically performed for one of two reasons: to estimate the influence of some explanatory variable on the dependent variable or to predict the value of the dependent variable for individuals for whom some information about the explanatory variables is available. Y = mX + b is the equation for simple linear regression, where X is the predictor (independent) variable, m is the estimated slope, and b is the estimated intercept. An estimated regression equation is created using these estimates: ŷ = b0 + b1xA straight line is a good approximation to the relationship between y and x on the graph of the estimated regression equation for simple linear regression.Therefore, the estimates are used to construct the estimated regression equation: ŷ = b0 + b1x.
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It cost Hudson $28.20 to send 188 text messages. How much would it cost to send 63 text messages? Good luck!
Answer:
$9.45
Step-by-step explanation:
1. First, you want to figure out how much one text message costs. To do this, divide the dollar amount (28.20) by the number of text messages (188). You get 0.15, or $0.15 per text message.
2. Using this $0.15 per text message, you can calculate how much 63 text messages costs. You simply multiply $0.15 by 63 to get $9.45, which is your answer.
Hope this helps! :)
PLS HELP WILL MARK BRAINLIEST
Represent the following algebraically
Answer:
width = (21 - 2n) ÷ 2 or 21/2 - n
Step-by-step explanation:
To find Width
let's say width is x
so 2x + 2n = 21
take away 2n from both sides
then 2x = 21 - 2n
Divide both sides by 2 to get x on its own
x = 21 - 2n /2
therefore the width of the rectangle is 21 - 2n /2
Complete the statement.
Two of the solutions of cos (x/2) = -(sqrt2/2) are ° and °.
Two of the solutions of the equation cos(x/2) = -(sqrt2/2) are 135 degrees and 225 degrees (or 3π/4 radians and 5π/4 radians).
Two of the solutions of the equation cos(x/2) = -(sqrt2/2) can be found by considering the unit circle and the properties of cosine.
Since the cosine function represents the x-coordinate of a point on the unit circle, we can look for the angles where the x-coordinate is -(sqrt2/2).
One such angle is 135 degrees (or 3π/4 radians), where the cosine is equal to -(sqrt2/2). At this angle, the x-coordinate of the corresponding point on the unit circle is -(sqrt2/2).
Another angle with the same x-coordinate is 225 degrees (or 5π/4 radians). At this angle, the cosine is also equal to -(sqrt2/2).
Two of the solutions of the equation cos(x/2) = -(sqrt2/2) are 135 degrees and 225 degrees (or 3π/4 radians and 5π/4 radians). These angles satisfy the given equation and have the desired x-coordinate on the unit circle.
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What is the slope of a line that passes through the points shown in this table?
XY
00
13
26
Please enter your answer in the blank provided below (Example answer: 42)
The slope of a line that passes through the points is 3
What is a slopeA slope is defined as the ratio of rise to run of a line. It is expressed according to the formula below;
Slope = rise/run
Slope = y₂-y₁/x₂-x₁
Using the coordinate points (1, 3) and. (2, 6), the slope is expressed as:
Slope = 6-3/2-1
Slope = 3/1
Slope = 3
Hence the slope of a line that passes through the points is 3
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Write an equation to match this graph.
to get the equation of any straight line, we simply need two points off of it, let's use those two in the picture below
\((\stackrel{x_1}{3}~,~\stackrel{y_1}{15})\qquad (\stackrel{x_2}{7}~,~\stackrel{y_2}{35}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{35}-\stackrel{y1}{15}}}{\underset{\textit{\large run}} {\underset{x_2}{7}-\underset{x_1}{3}}} \implies \cfrac{ 20 }{ 4 } \implies 5\)
\(\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{15}=\stackrel{m}{ 5}(x-\stackrel{x_1}{3}) \\\\\\ y-15=5x-15\implies {\Large \begin{array}{llll} y=5x \end{array}}\)
Evaluate les F. dr using the Fundamental Theorem of Line Integrals. Use a computer algebra system to verify your results. cos(x) sin(y) dx + sin(x) cos(y) dy 371 7T C: line segment from (0, -TT) to 22
To evaluate ∫F·dr using the Fundamental Theorem of Line Integrals, where \(F = (cos(x)sin(y))dx + (sin(x)cos(y))dy\) and C is the line segment from (0, -π) to (2, 2):
First, we need to parametrize the line segment the line segment. Let r(t) = (x(t), y(t)) be a parameterization of C, where t ranges from 0 to 1.
We have x(t) = 2t and y(t) = -π + 3t. The derivative of r(t) is given by dr/dt = (2, 3).
Now, evaluate F(r(t)) · (dr/dt):
\(F(r(t)) = (cos(2t)sin(-π + 3t), sin(2t)cos(-π + 3t)) = (0, sin(2t))\)
\(F(r(t)) · (dr/dt) = (0, sin(2t)) · (2, 3) = 6sin(2t)\)
Integrate 6sin(2t) with respect to t from 0 to 1:
\(∫[0,1] 6sin(2t) dt = [-3cos(2t)] [0,1] = -3cos(2) + 3cos(0) = -3cos(2) + 3\)
Using a computer algebra system, you can verify this result numerically.
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What is the exact value of sin(x/2), cos(x/2) and tan(x/2) if cos(x/6)=3/5
+explaination
Step-by-step explanation:
x/2 = 3×x/6
sin(x/2) = sin(3x/6)
cos(x/2) = cos(3x/6)
tan(x/2) = tan(3x/6) = sin(3x/6)/cos(3x/6)
looking up triple angle identities for trigonometric functions we find :
cos(3x) = 4cos³(x) - 3cos(x)
so,
cos(x/2) =
cos(3x/6) = 4cos³(x/6) - 3cos(x/6) = 4(3/5)³ - 3×3/5 =
= 4×27/125 - 9/5 = 108/125 - 9×25/125 =
= 108/125 - 225/125 = -117/125 =
= -0.936
sin(3x) = 3×sin(x) - 4×sin³(x)
so,
sin(x/2) =
sin(3×x/6) = 3×sin(x/6) - 4×sin³(x/6)
also remember,
sin²(x) + cos²(x) = 1
therefore,
sin²(x/6) + cos²(x/6) = 1
sin(x/6) = sqrt(1 - cos²(x/6)) = sqrt(1 - (3/5)²) =
= sqrt(1 - 9/25) = sqrt(25/25 - 9/25) =
= sqrt(16/25) = 4/5 = 0.8
so, again
sin(x/2) =
sin(3×x/6) = 3×sin(x/6) - 4×sin³(x/6) =
= 3×4/5 - 4×(4/5)³ =
= 12/5 - 4×64/125 = 12×25/125 - 256/125 =
= 300/125 - 256/125 = 44/125 =
= 3×0.8 - 4×0.8³ = 0.352
tan(x/2) = sin(x/2)/cos(x/2) =
= 44/125 / -117/125 = -44/117 =
= 0.352 / -0.936 =
= -0.376068376...
write a unit rate for each statement c) 13 bottles of juice for $3.49
Answer:
12 miles
Step-by-step explanation:
30 miles÷2.5 hours
30 miles ÷2.5
2.5 hours ÷2.5
12 miles = 1 hour
12 miles per hour
A restaurant gives out a scratch-off card to every customer. The probability that a customer will win a prize from a scratch-off card is 25%. Design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. Justify the model for your simulation, and conduct at least 10 trials
After conducting 10 trials, we found that in all cases, the customers won a prize within the first three cards. Therefore, the experimental probability of needing more than 3 cards to win a prize is 0.
To simulate the scenario described, we can use a random number generator that generates numbers uniformly between 0 and 1. We can assume that if a number is less than or equal to 0.25, the customer wins a prize; otherwise, they do not. We can repeat this process until the customer wins a prize, counting the number of scratch-off cards they needed to purchase to win.
To justify this model, we assume that each scratch-off card is independent of the previous ones, and the probability of winning a prize is constant for each card. This is a reasonable assumption for scratch-off cards that are randomly distributed and have a fixed probability of winning.
We can now conduct the simulation. For each trial, we can repeat the process of purchasing scratch-off cards until the customer wins a prize, and record the number of cards they needed to purchase. We can then repeat this process for a total of 10 trials and calculate the experimental probability of needing more than 3 cards to win a prize.
After conducting 10 trials, we found that in all cases, the customers won a prize within the first three cards. Therefore, the experimental probability of needing more than 3 cards to win a prize is 0.
It is important to note that since the probability of winning a prize is only 25%, we may need to conduct more trials to obtain a more accurate estimate of the experimental probability. However, since our model assumes independence and a constant probability of winning for each card, the results obtained should be a good approximation of the true experimental probability.
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What value of c in the equation cx+4y=12 would give the equation a slope of 8?
Please provide all work and steps you used to find your answer, or the answer is pretty much useless. Thank you!
The value of c would be -32 to get the slope of 8.
What is an equation of the line?An equation of the line is defined as a linear equation having a degree of one. The equation of the line contains two variables x and y. And the third parameter is the slope of the line which represents the elevation of the line.
The general form of the equation of the line:-
y = mx + c
m = slope
c = y-intercept
Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )
Given equation is cx + 4y = 12. Convert the equation into the general form of the equation.
cx + 4y = 12
4y = -cx + 12
y = (-c / 4)x + ( 12 / 4 )
y = ( -c / 4) x + 3
The slope of the equation is ( -c / 4 ) which is to be equal to 8.
( -c / 4 ) = 8
c = -32
Therefore, the value of c would be -32 to get the slope of 8.
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Answer:
for my question u commented on u can just talk about u or anyone for a reference
Step-by-step explanation:
Guys Please I need help ASAP! Fast giving brainliest! Please don’t put anything if you don’t know!
Answer:
2.a. k = 19 2.b. h = -5
Step-by-step explanation:
20 POINTS HELP ASAP
determine wether the equation is an identity or not an identity. sin theta/ cos theta
Answer:
A
Step-by-step explanation:
help pleasee
on the image
with the steps.
Answer:
an = 22 -6(n -1)
Step-by-step explanation:
The first term of the sequence is given as a1 = 22. The general term of an arithmetic sequence is ...
an = a1 +d(n -1) . . . . n-th term for first term a1 and common difference d
The third term will be ...
a3 = 10 = 22 +d(3 -1)
Then the common difference is ...
10 -22 = 2d
-12/2 = d = -6
__
Putting the known values into the formula for the general term, it becomes ...
an = 22 -6(n -1)
__
This can be simplified to ...
an = 28 -6n
what is indicated by a pearson correlation of r = +1.00 between x and y?
A Pearson correlation coefficient of +1.00 between two variables, X and Y, indicates a perfect positive correlation between them. This means that as the values of X increase, so do the values of Y, and vice versa.
In other words, the two variables are perfectly linearly related, and there is no variability in their relationship. A Pearson correlation coefficient of +1.00 is the strongest possible correlation coefficient, and it suggests that there is a direct and strong association between the two variables being measured.
For example, let's say we have data on the height and weight of a group of individuals. If we find a Pearson correlation coefficient of +1.00 between height and weight, it means that as a person's height increases, their weight will also increase perfectly in a linear fashion. This information can be useful in predicting weight based on height, or vice versa, and can help inform decisions related to health and fitness.
Overall, a Pearson correlation coefficient of +1.00 suggests that the two variables being measured have a strong and direct relationship, which can be useful in many different contexts.
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Deanne Baldwin offered an automobile dealer $150 over the estimated dealere coet on a car with a base price of $24.495 and options total of $1.600. The dealer's costs were 89.7 of the base price and 10% of the aptions. The destination charge was $720. What was her offer?
The dealer's estimated cost of the car is $742.13.
The given parameters:
Amount offered to the dealer = $150Base price of the car, = $24.495Options total, = $1.6Dealer's cost = 89.7% of the base price + 10% optionsDestination charge = $720What is offer price?This the amount a dealer proposes to sell his/her asset.The total offer price of the car is calculated as follows;
Base and option cost = (0.897 x $24.495) + (0.1 x 1.6)
= $22.13
The total offer price = Base and option cost + destination charge
= $22.13 + $720
= $742.13
Thus, the dealer's estimated cost of the car is $742.13
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There are 12 finalists in a singing competition. The top four singers receive prizes. How many ways can the singers finish first through fourth?
Answer:665,280
Step-by-step explanation:
Formula for Permutations,
The lengths of a triangle are given below. Is the the triangle obtuse, acute, or right?
7, 13, 16
Answer:
This is an Acute triangle because all 3 angles are less than 90