The hypothesis to be tested here is that the number of cars arriving for service is the same for each day of the week.
The null hypothesis, denoted as H0, is that the observed frequency distribution of cars is the same as the expected frequency distribution.
The alternative hypothesis, denoted as H1, is that the observed frequency distribution of cars is not the same as the expected frequency distribution.
To test this hypothesis, we use a goodness-of-fit test with the chi-square distribution. The critical value for a chi-square distribution with 6 - 1 = 5 degrees of freedom (one for each day of the week) and alpha level of 0.10 is 9.2363.
If the computed chi-square statistic is greater than 9.2363, then we reject the null hypothesis and conclude that the observed frequency distribution is significantly different from the expected frequency distribution.
Thus, if the computed chi-square statistic is greater than 9.2363, we can conclude that the number of cars arriving for service is not the same for each day of the week, and there is evidence to support the alternative hypothesis.
If the computed chi-square statistic is less than or equal to 9.2363, then we fail to reject the null hypothesis, and there is not enough evidence to suggest that the observed frequency distribution is different from the expected frequency distribution.
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The two-way table shows the number of houses on the market in the castillos’ price range. a 6-column table has 4 rows. the first column has entries 1 bathroom, 2 bathrooms, 3 bathrooms, total. the second column is labeled 1 bedroom with entries 67, 0, 0, 67. the third column is labeled 2 bedrooms with entries 21, 6, 18, 45. the fourth column is labeled 3 bedrooms with entries 0, 24, 16, 40. the fifth column is labeled 4 bedrooms with entries 0, 0, 56, 56. the sixth column is labeled total with entries 88, 30, 90, 208. what is the probability that a randomly selected house with 2 bathrooms has 3 bedrooms? 0.2 0.4 0.6 0.8
The probability that a randomly selected house with 2 bathrooms has 3 is: 0.8.
So, the fourth option is correct.
We have given that,
The two-way table shows the number of houses on the market in the Castillos’ price range.
A 6-column table has 4 rows.
The first column has entries 1 bathroom, 2 bathrooms and 3 bathrooms, in total.
The second column is labeled 1 bedroom with entries 67, 0, 0, 67.
The third column is labeled 2 bedrooms with entries 21, 6, 18, 45.
We are only considering the houses that have 2 bathrooms.
There are a total of 30 of these houses.
Out of these 30, 24 have 3 bedrooms.
What is the formula for probability?
The probability of an event can only be between 0 and 1 and can also be written as a percentage.
This makes the probability 24/30, which is 0.8.
Therefore, the probability that a randomly selected house with 2 bathrooms has 3 is: 0.8.
So, the fourth option is correct.
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What is fifteen subtracted by a number x is three more than the product of seven and x in math equation form and solve it
The solution to the Linear equation is x = 1.5.
The math equation for the given problem is 15 - x = 7x + 3.
To solve this equation, first simplify it by combining like terms on one side of the equation.
15 - x - 7x = 3
Next, combine like terms on the left side of the equation.
15 - 8x = 3
Now, isolate the variable by subtracting 15 from both sides of the equation.
-8x = -12
Finally, solve for x by dividing both sides by -8.
x = 1.5
Therefore, the solution to the equation is x = 1.5.
To summarize, the linear equation 15 - x = 7x + 3, we simplify it by combining like terms. Subtracting x and 7x from both sides gives us 15 - 8x = 3. Next, we isolate the variable by subtracting 15 from both sides, resulting in -8x = -12.
Finally, we solve for x by dividing both sides by -8, giving us x = 1.5. This means that when we substitute x with 1.5 in the original equation, both sides will be equal. The solution x = 1.5 satisfies the equation and represents the value at which the equation is true.
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In ms. Oaks class 5/12 of the students wear glasses, 2/9 of the students wear earrings, 2/18 of the students wear hats, and 1/4 of the students wear a watch. No one wears more than one of these items. 4 students wear hats.
A. How many students are in ms. Oaks class?
b. Determine how many students wear each type of item.
please explain how you got the answer, im having trouble figuring out how to find the answer
There are 36 students in Ms. Oaks' class. The number of students who wear each type of item is: Glasses: 15 students, Earrings: 8 students, Hats: 4 students and Watch: 9 students
Let the total number of students in Ms. Oaks' class be x.
a) We know that 2/18 of the students wear hats, which is equivalent to 1/9 of the students. We are also told that 4 students wear hats. So, we can set up an equation:
1/9 * x = 4
Solving for x, we get:
x = 36
Therefore, there are 36 students in Ms. Oaks' class.
b) We can now use the information given to determine how many students wear each type of item.
- Glasses: 5/12 of the students wear glasses, which is equivalent to:
(5/12) * 36 = 15 students
- Earrings: 2/9 of the students wear earrings, which is equivalent to:
(2/9) * 36 = 8 students
- Hats: We are told that 4 students wear hats.
- Watch: 1/4 of the students wear a watch, which is equivalent to:
(1/4) * 36 = 9 students
Therefore, the number of students who wear each type of item is:
Glasses: 15 students
Earrings: 8 students
Hats: 4 students
Watch: 9 students
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The loudest animal on earth is the blue whale. blue whales can emit sound with an intensity of 106.8 watts/meter2. the equation relates the sound level, , in decibels (db), of a noise with an intensity of i to the smallest sound intensity that can be heard by the human ear, (approximately watts/meter2).based on this information, which value is closest to the sound level, in decibels, of the vocalizations of a blue whale?
The sound level of the vocalizations of a blue whale is approximately 140.28 decibels.
How to find sound level?The question asks us to find the sound level in decibels (db) of the vocalizations of a blue whale, given its sound intensity of 106.8 watts/meter2.
The formula for sound level in decibels is:
L = 10log(i/I0)
Where L is the sound level in decibels, i is the sound intensity in watts/meter2, and I0 is the smallest sound intensity that can be heard by the human ear (approximately 1x10⁻¹² watts/meter2).
Plugging in the given values, we get:
L = 10log(106.8/1x10⁻¹² )
Simplifying this expression, we get:
L = 10log(1.068x10¹⁴)
L = 10(14.028)
L = 140.28
Therefore, the sound level of the vocalizations of a blue whale is approximately 140.28 decibels.
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What is the measure of “?”
The part of the figure marked ? is solved to be
113 degrees
How to find the question markThe part of the circle marked by a question mark is solved using the relation as shown below
given angle formed by the tangents = 180 degrees - minor arc GE
information given in the problem includes
given angle formed by the tangents = 67 degrees
minor arc GE = ?
plugging in these values results to
67 degrees = 180 degrees - ?
rearranging the equation
? = 180 degrees - 67
? = 113
hence the required side is 113 degrees
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the temperature is -7. Since midnight the temperature tripled and then rose 5 degrees. What was the temperature at midnight?
Taking the data into consideration, we can calculate and conclude that the temperature at midnight was -4, through the use of an equation.
How to find the temperatureAccording to the prompt, the temperature is now -7. We also know that, since midnight, the temperature tripled and then rose 5 degrees.If we let x be the temperature at midnight, then we can set up the following equation:
3x + 5 = -7
Subtracting 5 from both sides, we get:
3x = -12
Dividing by 3, we get:
x = -4
Therefore, the temperature at midnight was -4 degrees. With that in mind, we conclude we have correctly answered this question.
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the attendance at a school festival was 786 on Friday night,908 on Sunday, and 812 on Sunday. What was the total attendance?
Answer: 2,506 people
Step-by-step explanation:
786 + 908 + 812 = 2,506 people
个
Work out the volume of this prism.
Area =
20 cm²
9cm
The diagram is not drawn to scale.
cm³
The volume of the prism is 180 cm³.
How to work out the volume of a prism?A prism is a 3D (three-dimensional) solid which has faces that are identical at both ends. The other faces are flats. A prism is named after its base.
The volume of any prism can be calculated using the formula:
V = A[tex]_{B}[/tex] * h
where A[tex]_{B}[/tex] is area of base and h is height of prism
In this case, we have the following information about the prism:
A[tex]_{B}[/tex] = 20 cm²
h = 9cm
V = 20 * 9
V = 180 cm³
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Complete Question
Check attached image
Stevie has a yard cleanup business. He initially spent $175 for equipment (mower, rakes, bags, etc. ). He charges $12 hours for cleanup. How many hours of work will he need to do in order to make at least $1200? (Let hh = number of hours worked)
Stevie will need to work at least 150 hours to make at least $1200 after accounting for the initial cost of equipment.
How to find hours of work?to find the business hours of work, Let's start by defining the variables given in the problem:
The initial cost of equipment is $175.
Stevie charges $12 per hour for cleanup.
Stevie wants to make at least $1200.
The number of hours worked is represented by h.
Now, we can set up an equation to solve for h:
Total earnings - Total cost = Desired profit
We can express the total earnings as the product of the hourly rate and the number of hours worked:
Total earnings = $12h
The total cost includes the initial cost of equipment plus any additional costs incurred during cleanup:
Total cost = $175 + additional costs
Since we don't know the value of the additional costs, we'll leave it as a variable.
Substituting these expressions into the equation, we get:
$12h - ($175 + additional costs) = $1200
Simplifying the equation, we get:
$12h - $175 - additional costs = $1200
$12h - $1375 = additional costs + $1200
$12h - $1375 = additional costs
Now we have an equation that relates the number of hours worked to the additional costs incurred during cleanup. We want to find the minimum value of h that satisfies this equation, since Stevie wants to make at least $1200.
To do this, we need to estimate the additional costs incurred during cleanup. Let's assume that Stevie spends an average of $4 per hour on additional costs (e.g., gasoline, trash bags, etc.). Then, the equation becomes:
$12h - $1375 = $4h + $175
Simplifying further, we get:
$8h = $1200
h = 150
Therefore, Stevie will need to work at least 150 hours to make at least $1200 after accounting for the initial cost of equipment and the estimated additional costs incurred during cleanup.
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Fran is training for her first marathon, and she wants to know if there is a significant difference between the mean number of miles run each week by group runners and individual runners who are training for marathons. She interviews 32 randomly selected people who train in groups, and finds that they run a mean of 49. 0 miles per week. Assume that the population standard deviation from group runners is known to be 4. 2 miles per week
Our calculated t-value (-2.54) is beyond this critical value, we can reject the null hypothesis and conclude that there is a significant difference between the mean number of miles run per week by group runners and individual runners.
To test if there is a significant difference between the mean number of miles run each week by group runners and individual runners who are training for marathons, we can use a two-sample t-test.
Let's assume that the population standard deviation for the individual runners is also 4.2 miles per week.
We can set up the hypotheses as follows:
Null hypothesis: The mean number of miles run per week by group runners and individual runners is the same.
Alternative hypothesis: The mean number of miles run per week by group runners and individual runners is different.
Mathematically, we can write:
H0: μ1 = μ2
Ha: μ1 ≠ μ2
where μ1 is the population mean for group runners and μ2 is the population mean for individual runners.
We are given the sample mean for the group runners, which is 49.0 miles per week. We do not know the sample mean for the individual runners. Let's assume that we collect a random sample of 32 individual runners and find that their sample mean is 52.0 miles per week.
We can calculate the test statistic as follows:
t = (X1 - X2) / sqrt((s1^2/n1) + (s2^2/n2))
where X1 and X2 are the sample means for group runners and individual runners, s1 and s2 are the population standard deviations for group runners and individual runners, and n1 and n2 are the sample sizes for group runners and individual runners.
Plugging in the values, we get:
t = (49.0 - 52.0) / sqrt((4.2^2/32) + (4.2^2/32))
t = -3.0 / 1.182
t = -2.54
Using a t-distribution table with 62 degrees of freedom (32 + 32 - 2), we can find that the critical value for a two-tailed test with a significance level of 0.05 is approximately ±2.0. Since our calculated t-value (-2.54) is beyond this critical value, we can reject the null hypothesis and conclude that there is a significant difference between the mean number of miles run per week by group runners and individual runners.
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The distance between two cities is 180 kilometers. There are approximately 8 kilometers in 5 miles.
Which measurement is closest to the number of miles between these two cities?
The measurement which is closest to the number of miles between these two cities is 113 miles.
Given the distance between two cities is 180 kilometers.
If there are approximately 8 kilometers in 5 miles, we can use this conversion factor to convert 180 kilometers to miles, then one kilometer is approximately equal to 5/8 miles (0.625 miles).
To find the number of miles between the two cities, we can convert 180 kilometers to miles by multiplying by the conversion factor:
180 kilometers × (5/8 miles per kilometer) ≈ 112.5 miles = approximately 113 miles
Therefore, the closest measurement to the number of miles between these two cities is approximately 113 miles.
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Use the rules to find derivatives of the following functions at the specified values. a. f(x) = 2x³ at x = 2 f' (2)= g(z) =13x ½ at x = 3 g' (3)= h(z)= hx at x = 4 j(z) 130x¯¹ at x = 5 j' (5)=
The power rule for derivatives is -26/5.
The derivative is a fundamental concept that measures how much a function changes as its input changes. It is a mathematical tool used to find the instantaneous rate of change of a function at a specific point. The derivative of a function f(x) at a point x=a, denoted by f'(a), is the slope of the tangent line to the graph of f(x) at the point (a, f(a)).
a. f(x) = 2x³
Using the power rule for derivatives, we have:
f'(x) = 6x²
So, f'(2) = 6(2)² = 24.
b. g(x) = 13x^(1/2)
Using the power rule for derivatives, we have:
g'(x) = (1/2) * 13x^(-1/2) = (13/2√x)
So, g'(3) = (13/2√3).
c. h(x) = hx
Using the power rule for derivatives, we have:
h'(x) = h
So, h'(4) = h.
d. j(x) = 130x^(-1)
Using the power rule for derivatives, we have:
j'(x) = -130x^(-2)
So, j'(5) = -130(5)^(-2) = -130/25 = -26/5.
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Noah edits the school newspaper. He is planning to print a photograph of a flyer for the upcoming school play. The original flyer has an area of 576 square inches. The picture Noah prints will be a dilation of the flyer using a scale factor of . What will be the area of the picture of the flyer in the newspaper?
The area of the picture of the flyer in the newspaper is 36 square inches.
The area of a figure is squared when the dimensions are multiplied by the scale factor k. Thus, if the scale factor of dilation is k, then the area of the new figure will be k² times the area of the original figure. In this case, the scale factor is 0.25, since the picture is a dilation with a scale factor of 1/4. Therefore, the area of the picture will be:
Area of picture = scale factor² x Area of original flyer
Area of picture = (0.25)² x Area of original flyer
= 0.0625 x 576 square inches
= 36 square inches
Therefore, the area of the picture of the flyer in the newspaper will be 36 square inches.
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you start new workings.
It takes 30 minutes for 5 old printers to produce a batch of comic books.
It takes 18 minutes for 4 new printers to produce an identical batch of
comic books.
a) Which of the following would produce a batch of comic books in less
time:
6 old printers or 2 new printers?
b) How much less time would this take?
It should be noted that with the equations 6 old printers would produce a batch of comic books in less time.
Using 2 new printers is 27 minutes faster than using 6 old printers.
How to solve the information6 old printers would produce 6*(1/150) = 2/75 of a batch per minute.
2 new printers would produce 2*(1/72) = 1/36 of a batch per minute.
(5/6) * t = 30
(4/2) * t' = 18
Solving for t and t', we get:
t = 36 minutes
t' = 9 minutes
Therefore, using 6 old printers would take 36 minutes to produce a batch of comic books, while using 2 new printers would take only 9 minutes. Using 2 new printers is 27 minutes faster than using 6 old printers.
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5. Daniel arrives at his campsite out of breath from his swim and jog. His sister tells him that he should have swam to the boat ramp that is only 200 feet from the campsite and then jogged. She claims that he would have arrived quicker this way. Is Daniel's sister correct? Support your answer mathematically
Since 2 is greater than 1, it would have been faster for Daniel to swim directly to the campsite. Therefore, Daniel's sister is incorrect.
We can solve this problem using the formula for distance, rate, and time, which is:
distance = rate x time
Let's assume that Daniel swims at a rate of s feet per second and jogs at a rate of j feet per second. If he swims directly to the campsite, the distance he needs to cover is the distance d between the campsite and the boat ramp, which is 200 feet. If he swims to the boat ramp and then jogs to the campsite, he will need to cover the distance d twice, once while swimming and once while jogging. The total distance he will cover is 2d = 400 feet.
If Daniel swims directly to the campsite, the time it will take him to cover the distance is:
time1 = d/s
If he swims to the boat ramp and then jogs to the campsite, the time it will take him to cover the distance is:
time2 = d/s + d/j
To compare the two times, we can take their ratio:
time2/time1 = (d/s + d/j)/(d/s) = 1 + j/s
If this ratio is less than 1, then Daniel's sister is correct, and he would have arrived quicker by swimming to the boat ramp and then jogging. If the ratio is greater than 1, then it would have been faster for him to swim directly to the campsite.
Substituting d = 200, we get:
time2/time1 = 1 + j/s = 1 + (j/s)*(200/200) = 1 + (200j)/(ds)
Since Daniel arrives at the campsite out of breath from his swim and jog, we can assume that his rates of swimming and jogging are roughly equal. Let's assume s = j = r, where r is the common rate of swimming and jogging. Substituting this into the ratio, we get:
time2/time1 = 1 + (200r)/(dr) = 1 + 200/d
To determine if Daniel's sister is correct, we need to compare this ratio to 1. If time2/time1 is less than 1, then Daniel's sister is correct. If it is greater than 1, then it would have been faster for Daniel to swim directly to the campsite.
Substituting d = 200, we get:
time2/time1 = 1 + 200/200 = 2
Since 2 is greater than 1, it would have been faster for Daniel to swim directly to the campsite. Therefore, Daniel's sister is incorrect.
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Use the appropriate compound interest formula to find the amount that will be in each account, given the stated coins, $47.000 invested at 5% annual interest for 5 years compounded (a) annually: (b) semiannually
a)The amount in the account after 5 years, compounded annually, will be approximately $60,625.06.
b) The amount in the account after 5 years, compounded semiannually, will be approximately $61,588.88.
The amount in the account after 5 years can be calculated using the compound interest formula. For an initial investment of $47,000 at an annual interest rate of 5%, compounded annually or semiannually, the amount in the account will be different.
(a) For compounding annually:
The compound interest formula is given by:
A = P(1 + r/n)^(nt)
where:
A = the amount after time t
P = principal amount (initial investment) = $47,000
r = annual interest rate = 5% or 0.05 (as a decimal)
n = number of times interest is compounded per year = 1 (since it is compounded annually)
t = time period = 5 years
Plugging in the given values, we get:
A = 47000(1 + 0.05/1)^(1*5)
A = 47000(1.05)^5
A ≈ $60,625.06
So, the amount in the account after 5 years, compounded annually, will be approximately $60,625.06.
(b) For compounding semiannually:
The only difference from the above calculation is the value of 'n', which is the number of times interest is compounded per year. In this case, 'n' will be 2, as interest is compounded semiannually (twice a year).
Plugging in the given values, we get:
A = 47000(1 + 0.05/2)^(2*5)
A = 47000(1.025)^10
A ≈ $61,588.88
So, the amount in the account after 5 years, compounded semiannually, will be approximately $61,588.88.
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What is the vertex, Line of symmetry, and how many x intercepts are there?
The vertex is the highest or lowest point on the parabola, the line of symmetry is a vertical line passing through the vertex and dividing the parabola into two equal halves, and the number of x-intercepts depends on the discriminant of the quadratic equation.
The vertex is a point on a parabola where the curve changes direction. It is the highest or lowest point on the curve, depending on whether it opens up or down. The vertex is represented as (h, k), where h is the x-coordinate and k is the y-coordinate.
The line of symmetry is a vertical line that divides the parabola into two equal halves. It passes through the vertex and is equidistant from the two arms of the parabola. The equation of the line of symmetry is x = h.
The number of x-intercepts is determined by the equation of the parabola. If the discriminant of the quadratic equation is positive, then the parabola intersects the x-axis at two distinct points, and there are two x-intercepts. If the discriminant is zero, then the parabola touches the x-axis at one point, and there is one x-intercept. If the discriminant is negative, then the parabola does not intersect the x-axis, and there are no x-intercepts.
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The swamp has a perimeter 124 feet the length L of the swamp is 10 less than 5 times it width W
The width of the swamp is 12 feet, and the length is 50 feet.
How to solve for the length and the width of the swamplength is 10 less than 5 times its width. We can write that as:
Equation for length:
L = 5W - 10
We also know that the perimeter of the swamp is 124 feet. The formula for the perimeter of a rectangle is:
Perimeter = 2(Length + Width)
So, we have:
124 = 2(L + W)
Now, we can substitute the expression for L from the first equation into the second equation:
124 = 2((5W - 10) + W)
Now, we can solve for W:
Step 2: solving for width
124 = 2(6W - 10)
62 = 6W - 10
72 = 6W
W = 12
Now that we have the width (W = 12 feet), we can find the length by plugging the width back into the equation for L:
Step 1: solving for length
L = 5W - 10
L = 5(12) - 10
L = 60 - 10
L = 50
So, the width of the swamp is 12 feet, and the length is 50 feet.
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The swamp has a perimeter 124 feet the length L of the swamp is 10 less than 5 times it width What are the length and the width of the swamp
In a student poll of 38 boys and 42 girls,
15 boys and 20 girls said they like science
fiction books. Based on this information,
Answer:40-45 percent
Step-by-step explanation:
explenation
(1 point, Consider the series a, where 1 - 2n-4 In this problem you must attempt to use the Ratio Test to decide whether the series converges. Computo 1 L = lim a. Enter the numerical value of the limit Lif it converges, INF if it diverges to infinity, MINF if it diverges to negativo infinity, or Div if it diverges but not to Infinity or negative infinity L = Which of the following statements is true? A. The Ratio Test says that the series converges absolutely B. The Ratio Test says that the series diverges. C. The Ratio Test says that the series converges conditionally D. The Ratio Test is inconclusive, but the series converges absolutely by another test or tests. E. The Ratio Test is inconclusive, but the series diverges by another test or tests. F. The Ratio Test is inconclusive, but the series converges conditionally by another test or tests. Enter the letter for your choice here:
The answer to this given problem on convergent series can be D,E or F.
A series is said to be convergent when it approaches a certain value as the series approaches infinity.
A series is convergent (or converges) if the sequence
To use the Ratio Test, we must compute the limit L = lim (n→∞) |a_n+1 / a_n|.
For the given series a, where a_n = 1 - 2n - 4, we first find a_n+1:
a_n+1 = 1 - 2(n + 1) - 4 = 1 - 2n - 2 - 4 = -1 - 2n - 4.
Now, we compute the limit:
L = lim (n→∞) |(-1 - 2(n + 1) - 4) / (1 - 2n - 4)| = lim (n→∞) |(-1 - 2n - 6) / (1 - 2n - 4)| = lim (n→∞) |-2 / -2| = 1.
Since L = 1, the Ratio Test is inconclusive, so we cannot determine whether the series converges or diverges using this method alone. Therefore, the answer is either D, E, or F. To determine which of these options is true, another test or tests must be used.
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Bob would like to get his debt-to-income (dti) ratio down to 36%. his current monthly expenses are outlined in the chart below. he would like to lower his dti by paying off some of his credit card debt, lowering his combined minimum monthly credit card payment. what would bob's minimum monthly credit card payment need to be in order to reach his dti goal of 36%? bob's monthly debt and income housing: mortgage $1,250.00 (including mortgage insurance and property taxes) credit: auto loan $349.00 credit cards (combined) $348.00(minimum) income: manager $4,800.00 interest $130.00 a. $175.80 b. $129.00 c. $228.00 d. $274.80
Bob's minimum monthly credit card payment needs to be B) $129.00 to reach his dti goal of 36%.
Bob's total monthly debt payments are $1,947.00 ($1,250.00 mortgage + $349.00 auto loan + $348.00 credit cards). To achieve a dti ratio of 36%, his total monthly debt payments should be no more than $1,728.00 ($4,800.00 * 36%).
Therefore, he needs to reduce his monthly credit card payment by $219.00 ($1,947.00 - $1,728.00). Since his current minimum monthly credit card payment is $348.00, he needs to reduce it to d) $129.00 ($348.00 - $219.00) to reach his dti goal.
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I have a question on this please help
Answer:
I believe the answer is D.
Step-by-step explanation:
18 divided by 6 is 3, meaning y is constantly moving 3 spaces up as x moves to the right 1 on a graph.
Cooper is studying two fractions that are both less than 1 the first fraction has a denominator of 4 and rounds to 1. the second fraction has a denominator of 6 and the same numerator as the first fraction is the second fraction closest to 1 or 17 explain
The first fraction is closer to 1, while the second fraction is closer to 17.
Let's first determine the value of the first fraction with a denominator of 4, which rounds to 1.
Since the fraction is less than 1 and rounds to 1, its numerator must be 3. Therefore, the first fraction is:
3/4 = 0.75
Now let's consider the second fraction, which has a denominator of 6 and the same numerator as the first fraction. So its value is:
3/6 = 1/2 = 0.5
To determine which fraction is closer to 1 or 17, we need to calculate the absolute difference between the value of each fraction and 1 or 17, and then compare those differences.
For the first fraction, the absolute difference between 0.75 and 1 is:
|1 - 0.75| = 0.25
The absolute difference between 0.75 and 17 is:
|17 - 0.75| = 16.25
For the second fraction, the absolute difference between 0.5 and 1 is:
|1 - 0.5| = 0.5
The absolute difference between 0.5 and 17 is:
|17 - 0.5| = 16.5
Therefore, the first fraction is closer to 1, while the second fraction is closer to 17.
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Frank just bought a refrigerator for 1036. He paid 103.60 in a down payment and will pay the rest in 4 equal installments. How much does he need to pay for each installment?
Frank needs to pay $233.10 for each installment.
How much per installment for refrigerator?To determine how much Frank still owes on the refrigerator after paying the down payment. We can subtract the down payment from the total cost of the refrigerator:
Total cost of refrigerator = $1036
Down payment = $103.60
Amount owed = Total cost of refrigerator - Down payment
Amount owed = $1036 - $103.60
Amount owed = $932.40
Next, we need to determine how much Frank will pay for each installment. Since he will pay the remaining balance in 4 equal installments, we can divide the amount owed by 4:
Amount owed = $932.40
Number of installments = 4
Amount per installment = Amount owed / Number of installments
Amount per installment = $932.40 / 4
Amount per installment = $233.10
Therefore, Frank needs to pay $233.10 for each installment to fully pay off the refrigerator. By breaking down the cost into smaller payments, Frank can manage his budget more effectively and avoid the burden of making a large payment all at once.
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6. A football player throws a football. The function h given by h(t) = 6 + 75+ - 161
describes the football's height in feet † seconds after it is thrown.
A. The football is thrown from ground level.
B. The football is thrown from 6 feet off the ground.
C. In the function, - 167? represents the effect of gravity.
D. The outputs of h decrease then increase in value.
E. The function h has 2 zeros that make sense in this situation.
F. The vertex of the graph of h gives the maximum height of the foot
The correct options are:
The football is thrown from 6 feet off the ground. In the function, - 167? represents the effect of gravity.The vertex of the graph of h gives the maximum height of the footThe description of the football's heightOption B: The football is thrown from 6 feet off the ground.
when t = 0
h(t) = 6 * 75 * 0 + 16 * 0
= 6 feet
Option C : - 16t² represents the effect of gravity
we have
[tex]h = ut - \frac{1}{2}gt^2[/tex]
[tex]\frac{1}{2}gt^2=-16t^2[/tex]
F. The vertex of the graph of h gives the maximum height of the foot
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A company has two machines. During any day, each machine that is working at the beginning of the day has a 1 3 chance of breaking down. If a machine breaks down during the day, it is sent to a repair facility and will be working two days after it breaks down. (Thus, if a machine breaks down during day 3, it will be working at the beginning of day 5. ) Letting the state of the system be the number of machines working at the beginning of the day, formulate a transition probability matrix for this situation
With probability 1, both machines are in the repair facility, and we move to state 2 (both machines working) two days later.
What is the probability that both machines are working at the beginning of the day?Let the state of the system be the number of machines working at the beginning of the day. We have two machines, so the state space is {0, 1, 2}.
Let the probability of transitioning from state i to state j be P(i,j).
To fill in the entries of the transition probability matrix, we need to consider the possible transitions between states.
If both machines are working at the beginning of the day (state 2):
With probability 1/9, both machines break down, and we move to state 0 (neither machine working).With probability 4/9, one machine breaks down and one machine continues to work, and we move to state 1 (one machine working).With probability 4/9, both machines continue to work, and we stay in state 2.If one machine is working at the beginning of the day (state 1):
With probability 1/3, the working machine breaks down, and we move to state 0 (neither machine working).With probability 2/3, the working machine continues to work, and we stay in state 1.If neither machine is working at the beginning of the day (state 0):
With probability 1, both machines are in the repair facility, and we move to state 2 (both machines working) two days later.Putting this all together, we get the following transition probability matrix:
| | 0 | 1 | 2 |
|---|----------|----------|----------|
| 0 | 0 | 0 | 1 |
| 1 | 1/3 | 2/3 | 0 |
| 2 | 1/9 | 4/9 | 4/9 |
For example, the entry in row 1 and column 2 represents the probability of transitioning from state 1 (one machine working) to state 2 (both machines working) and is 4/9.
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Can someone help me with 15 16 17 18?
Answer:15)5760.1 6)78. 17)582.4 18)112
Step-by-step explanation:
The triangle above has the following measures.
s = 29 m
r= 63 m
Find the m/Q.
Round to the nearest tenth and include correct units.
Show all your work.
The value of m∠Q as shown in the right-angled triangle below is 62.59°.
What is a right-angled triangle?A right-angled triangle is a triangle, that has one of its interior angles equal to 90 degrees or any one angle is a right angle.
To calculate the value of m∠Q, we use the formula below
Formula:
m∠Q = cos⁻¹(s/r)........................ Equation 1Where:
s = 29 mr = 63 mSubstitute these values into equation 1
m∠Q = cos⁻¹(29/63)m∠Q = cos⁻¹(0.46)m∠Q = 62.59°Learn more about right-angle triangle here: https://brainly.com/question/31203729
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Troy Engines, Limited, manufactures a variety of engines for use in heavy equipment. The company has always produced all of the necessary parts for its engines, including all of the carburetors. An outside supplier has offered to sell one type of carburetor to Troy Engines, Limited, for a cost of $30 per unit. To evaluate this offer, Troy Engines, Limited, has gathered the following information relating to its own cost of producing the carburetor internally:
Per Unit 19,000 Units Per Year
Direct materials $ 12 $ 228,000
Direct labor 10 190,000
Variable manufacturing overhead 3 57,000
Fixed manufacturing overhead, traceable 3* 57,000
Fixed manufacturing overhead, allocated 6 114,000
Total cost $ 34 $ 646,000
*One-third supervisory salaries; two-thirds depreciation of special equipment (no resale value).
Required:
1. Assuming the company has no alternative use for the facilities that are now being used to produce the carburetors, what would be the financial advantage (disadvantage) of buying 19,000 carburetors from the outside supplier?
2. Should the outside supplier’s offer be accepted?
3. Suppose that if the carburetors were purchased, Troy Engines, Limited, could use the freed capacity to launch a new product. The segment margin of the new product would be $190,000 per year. Given this new assumption, what would be the financial advantage (disadvantage) of buying 19,000 carburetors from the outside supplier?
4. Given the new assumption in requirement 3, should the outside supplier’s offer be accepted?
Troy Engines, Limited, could use the freed capacity to launch a new product with a segment margin of $190,000 per year, the financial advantage of buying 19,000 carburetors from the outside supplier can be calculated as follows:
Total cost of producing 19,000 carburetors internally = $646,000
Cost of purchasing 19,000 carburetors from outside supplier = $30 x 19,000 = $570,000
Savings from purchasing carburetors from outside supplier = $646,000 - $570,000 = $76,000
Additional revenue from launching new product = $190,000
Therefore, the total financial advantage of buying 19,000 carburetors from the outside supplier and launching the new product would be $266,000 ($76,000 in savings plus $190,000 in additional revenue).
Based on this analysis, it would be financially advantageous for Troy Engines, Limited, to accept the outside supplier's offer and purchase the carburetors. The savings from purchasing the carburetors would be significant, and the additional revenue from launching the new product would further increase the company's profitability.
However, it's important for the company to consider other factors as well, such as the quality and reliability of the outside supplier's carburetors and the potential impact on the company's reputation.
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A single gram of a certain metallic substance has 0.52 gram of copper and 0.26 gram of zinc. The remaining portion of the substance is nickel. Ben estimated that 0.2 gram of nickel is in 1 gram of the substance. He used this to estimate the amount of nickel in 35 grams of the substance. Find the result of Ben’s estimate strategy. Then find the exact amount of nickel in 35 grams of the substance.
In one gram of substance 0.22 grams of nickel is present. Then the amount of nickel in the 35 grams of the substance is 7.7 grams.
What are ratio and proportion?A ratio is an ordered couple of numbers a and b, written as a/b where b can not equal 0. A proportion is an equation in which two ratios are set equal to each other.
A single gram of a certain metallic substance has 0.52 grams of copper and 0.26 grams of zinc.
The remaining portion of the substance is nickel.
Let the gram of nickel be x. Then we have
[tex]\sf x + 0.52 + 0.26 = 1[/tex]
[tex]\sf x = 0.22[/tex]
0.22 grams of nickel.
Ben estimated that 0.2 gram of nickel is in 1 gram of the substance.
He used this to estimate the amount of nickel in 35 grams of the substance.
Then we have
[tex]\sf \rightarrow35 \times 0.2 = 7[/tex]
We know that in 1 gram the amount of nickel is 0.22 gram. Then we have
[tex]\sf \rightarrow 35 \times 0.22 = 7.7[/tex]
The amount of nickel in the 35 grams of the substance is 7.7 grams.
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