The exact interest for the loan of $74,000 at 13% made on February 16 and due on June 30 is $3,610.79.
To determine the exact interest for the loan of $74,000 at 13% made on February 16 and due on June 30, we need to first calculate the number of days from February 16 to June 30:
Days in February = 28
Days in March = 31
Days in April = 30
Days in May = 31
Days in June = 30
Total days = 28 + 31 + 30 + 31 + 30 = 150 days
To determine the interest, we can use the simple interest formula: Interest = Principal x Rate x Time
In this case, the principal is $74,000, the rate is 13% (or 0.13 as a decimal), and the time is 150/365 (since it's not a full year).
Therefore, Interest = 74000 x 0.13 x 150/365= $3,610.79 (rounded to the nearest cent)
Therefore, option OB ($3,610.79) is the correct answer.
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Are phone calls equally likely to occur any day of the week? The day of the week for each of 581 randomly selected phone calls was observed. The results are displayed in the table below. Use an a 0.10 significance level a. Complete the rest of the table by filling in the expected frequencies: Frequencies of Phone Calls for Each Day of the Week Outcome Frequency Expected Frequency Sunday 62 83 Monday 108 83 Tuesday 97 83 Wednesday 64 83 Thursday 77 83 3 To do: Mark as done b. What is the correct statistical test to use? Select an answer c. What are the null and alternative hypotheses? H: Phone calls and days of the week are dependent. The distribution of phone calls is uniform over the days of the week. The distribution of phone calls is not uniform over the days of the week. Phone calls and days of the week are independent H: The distribution of phone calls is uniform over the days of the week The distribution of phone calls is not uniform over the days of the week. Phone calls and days of the week are dependent. Phone calls and days of the week are independent. Phone calls and days of the week are dependent. O phone calls and days of the week are independent. d. The degrees of freedom - e. The test statistic for this data - (Please show your answer to three decimal places.) a 1. The p-value for this sample - (Please show your answer to four decimal places.) 8. The p-value is Select an answer h. Based on this, we should Select an answer 1. Thus, the final conclusion is... There is insufficient evidence to conclude that phone calls and days of the week are dependent. There is sufficient evidence to conclude that the distribution of phone calls is uniform over the days of the week. a 3. The p-value is Select an answer h. Based on this, we should Select an answer 1. Thus, the final conclusion is... O There is insufficient evidence to conclude that phone calls and days of the week are dependent. There is sufficient evidence to conclude that the distribution of phone calls is uniform over the days of the week. There is insufficient evidence to conclude that the distribution of phone calls is not uniform over the days of the week. There is sufficient evidence to conclude that phone calls and days of the week are dependent. There is sufficient evidence to conclude that the distribution of phone calls is not uniform over the days of the week.
Phone calls and days of the week are independent. There is insufficient evidence to conclude otherwise.
In the analysis of phone call frequencies for each day of the week, we need to determine if phone calls are equally likely to occur on any day. Using a significance level of 0.10, we can perform a chi-square goodness-of-fit test.
The null hypothesis (H₀) states that the distribution of phone calls is uniform over the days of the week, while the alternative hypothesis (H₁) suggests that the distribution is not uniform.
To calculate the expected frequencies, we divide the total number of phone calls (581) by the number of days (7), resulting in an expected frequency of 83 for each day.
The degrees of freedom for this test are (number of categories - 1), which in this case is 7 - 1 = 6.
Using the chi-square test statistic and the calculated expected frequencies, we can find the p-value associated with the test statistic. If the p-value is less than the significance level of 0.10, we reject the null hypothesis in favor of the alternative hypothesis. Otherwise, we fail to reject the null hypothesis.
Based on the analysis, the p-value is not provided, so we cannot draw a specific conclusion.
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Find the volume of the triangular prism.
A triangular prism has a height of 6 meters. Its triangular bases have a base length of 4.2 meters. and a height of 2.8 meters.
The volume of the triangular prism is ___
Answer:
V = 35.28 m³Steps:
V = H × (h×bl)/2
V = 6 × (4.2×2.8)/2
V = 6 × 11.76/2
V = 6 × 5.88
V = 35.28 m³
Charles and Lisa were having a apple eating contest. They ate eighteen apples between the two of them. Lisa ate two more apples than Charles. How many apples did Lisa eat?
Answer: She ate 12 apples
Step-by-step explanation: 18 divided by 2 is 9 add 2 of 9 to the other 9 and you get 12 hope I helped
Answer:
she ate 10 apples
Step-by-step explanation:
I thought of it because there is only 18 apples all together
Help. I need help asap
Answer:
sorry
Step-by-step explanation:
i can't understand your question
there is no clarity
Is 41.77 a integer?
Answer:
nope, an integer must be a whole number, no fractions / decimals
Step-by-step explanation:
Answer:
No
Step-by-step explanation:
An integer is a whole number or a number that is not a fraction or decimal. So, since 41.77 is a decimal it cannot be an integer. Examples of integers are 41 or -2.
what is f(x) = x^2
g(x)=(x+3)^2-1
Step-by-step explanation:
f(x) = x^2 represents a quadratic function, where the input value (x) is squared and the resulting output value is equal to the square of x.
g(x) = (x+3)^2 - 1 represents another quadratic function, where the input value (x) is first added to 3, then squared, and the resulting output value is equal to the square of (x+3) minus 1.
To evaluate these functions for a specific value of x, we simply substitute that value into the function in place of x. For example, if we want to find f(4), we would replace x with 4 to get:
f(4) = 4^2 = 16
Similarly, if we want to find g(-2), we would replace x with -2 to get:
g(-2) = (-2+3)^2 - 1 = 1^2 - 1 = 0
We can also graph these functions on a coordinate plane by plotting points for various values of x and their corresponding values of f(x) or g(x). The graph of f(x) = x^2 is a parabola that opens upwards, while the graph of g(x) = (x+3)^2 - 1 is also a parabola, but it has been shifted 3 units to the left and 1 unit downwards compared to the graph of f(x).
How many inches is 9 Yards Have
Answer:
324
Step-by-step explanation:
1 yards = 36 inches
36 x 9 = 324
Each unit of food A contains 120 milligrams of sodium, 1 gram of fat, and 5 grams of protein. Each unit of food B contains 60 milligrams of sodium, 1 gram of fat, and 4 grams of protein. Suppose that a meal consisting of these two types of food is required to have at most 480 milligrams of sodium and at most 6 grams of fat. Find the combination of these two foods that meets the requirements and has the greatest amount of protein. 1) Define your variables. 2) Create an organizational chart of information. 3) Create an objective equation (what is to be maximized or minimized). 4) Write constraint inequalities. Don't forget the non-negative restrictions if applicable. 5) Graph the constraints in order to identify the feasible region. 6) Find the vertices of the feasible region. 7) Test all vertices in the objective equation to identify the point of optimization. 8) Write the complete solution with clear and concise language.
The combination of food A and food B that meets the requirements and has the greatest amount of protein is 2 units of food A and 1 unit of food B, with a total of 30 grams of protein.
We can approach the problem of finding the combination of food A and food B that meets the requirements and has the greatest amount of protein using linear programming.
1) Variables:
Let x be the number of units of food A.
Let y be the number of units of food B.
2) Organizational chart:
Food A:
Sodium: 120 mg/unit
Fat: 1 g/unit
Protein: 5 g/unit
Food B:
Sodium: 60 mg/unit
Fat: 1 g/unit
Protein: 4 g/unit
Meal requirements:
Sodium: ≤ 480 mg
Fat: ≤ 6 g
Objective: Maximize protein
3) Objective equation:
Maximize z = 5x + 4y
4) Constraint inequalities:
120x + 60y ≤ 480 (sodium constraint)
x + y ≤ 6 (fat constraint)
x ≥ 0, y ≥ 0 (non-negative constraint)
5) Graph the constraints:
To graph the constraints, we can first graph the boundary lines.
120x + 60y = 480
x + y = 6
Then we can shade the feasible region, which is the region that satisfies all the constraints.
The feasible region is a polygon with vertices at (0,0), (4,2), (6,0), and (3,3).
6) Find the vertices:
The vertices of the feasible region are (0,0), (4,2), (6,0), and (3,3).
7) Test the vertices:
We can test each vertex by substituting its coordinates into the objective equation and finding the maximum value.
(0,0): z = 0
(4,2): z = 30
(6,0): z = 30
(3,3): z = 27
The maximum value of the objective function is 30, which occurs at the points (4,2) and (6,0).
8) Write the complete solution:
To maximize protein while satisfying the sodium and fat constraints, we need to use 4 units of food A and 2 units of food B, or 6 units of food A and 0 units of food B. Both of these combinations have a total of 30 grams of protein.
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Evaluate.Evaluate.
8−2⋅3+7
Step-by-step explanation:
6×10
=60
niceeeeeeeeeeee
Of 99 adults selected randomly from one town, 63 have health insurance. Find a 95% confidence interval for the true proportion of all adults in the town who do not have health insurance.
the 95% confidence interval for the true proportion of all adults in the town who do not have health insurance is approximately (0.2686, 0.4586).
To find a confidence interval for the true proportion of adults in the town who do not have health insurance, we can use the following formula:
Confidence Interval = Sample Proportion ± Margin of Error
First, we need to calculate the sample proportion:
Sample Proportion ([tex]\hat{p}[/tex]) = Number of adults without health insurance / Total number of adults
Total number of adults = 99 (given)
Number of adults with health insurance = 99 - 63 = 36
Sample Proportion ([tex]\hat{p}[/tex]) = 36 / 99 ≈ 0.3636
Next, we need to calculate the margin of error. Since the sample size is large and we are working with proportions, we can use the formula for the margin of error in a proportion:
Margin of Error = Z * √[([tex]\hat{p}[/tex] * (1 - [tex]\hat{p}[/tex])) / n]
Where:
Z is the Z-score corresponding to the desired level of confidence (95% confidence corresponds to a Z-score of approximately 1.96)
[tex]\hat{p}[/tex] is the sample proportion
n is the sample size
Margin of Error = 1.96 * √[(0.3636 * (1 - 0.3636)) / 99]
Calculating the margin of error:
Margin of Error ≈ 1.96 * √(0.2332 / 99)
≈ 1.96 * √(0.002352525)
Margin of Error ≈ 1.96 * 0.048503
Margin of Error ≈ 0.095
Finally, we can construct the confidence interval:
Confidence Interval = Sample Proportion ± Margin of Error
Confidence Interval = 0.3636 ± 0.095
Confidence Interval ≈ (0.2686, 0.4586)
Therefore, the 95% confidence interval for the true proportion of all adults in the town who do not have health insurance is approximately (0.2686, 0.4586).
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The functiona f(x) and g(x) are shown on the graph.
What is g(x)?
f(x)
10
-5
g(x)
A
-10
A. 9(x) = -x2 - 4
B. g(x) = -x + 4
c. g(x) = (-x)² - 4
D. g(x) = (-x)2 + 4
Answer:
A. g(x) = -[tex]x^{2}[/tex] - 4
Step-by-step explanation:
f(x) is flipped, so [tex]x^{2}[/tex] becomes -[tex]x^{2}[/tex].
After being flipped, the graph is move down 4 units.
Therefore, g(x) = -[tex]x^{2}[/tex] - 4
I=7 m, w=4 m, h= 3 m
The volume of the room with the given dimensions is 84 cubic meters.
The volume of a room can be calculated by multiplying its length, width, and height. In this case, the given dimensions are:
Length (L) = 7 m
Width (W) = 4 m
Height (H) = 3 m
To find the volume, we can use the formula:
Volume = Length × Width × Height
Substituting the given values:
Volume = 7 m × 4 m × 3 m
Simplifying:
Volume = 84 m³
Therefore, the volume of the room with the given dimensions is 84 cubic meters.
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1. John is currently watching 9 different television shows.
a) If John watches one episode of each of these shows, how many orders of shows can he watch?
b) If John wants to download 5 random episodes of these 9 shows, how many combinations exist? (He only downloads 1 episode from any given show.)
c) Out of a group of 12 students competing on the Gymnastics team, how many different ways can a captain, equipment manager, and sound manager be selected at random if no person can hold two positions
a) There are 9! (9 factorial) orders of shows John can watch if he watches one episode of each of the 9 different television shows.
b) There are 126 combinations for John to download 5 random episodes from the 9 shows.
c) There are 1,320 different ways to select a captain, equipment manager, and sound manager from a group of 12 students without any person holding two positions.
a) If John watches one episode of each of the 9 different television shows, the number of orders of shows he can watch is 9!.
b) If John wants to download 5 random episodes of these 9 shows, the number of combinations is given by the binomial coefficient:
C(9, 5) = 9! / (5!(9-5)!) = 126
c) To select a captain, equipment manager, and sound manager from a group of 12 students without any person holding two positions, the number of different ways is given by the product of the choices for each position:
12 * 11 * 10 = 1,320
Therefore, there are 1,320 different ways to select a captain, equipment manager, and sound manager in this scenario.
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Given the following acceleration function of an object moving along a line, find the position function with the given initial velocity and position. a(t)=5 sin 4t; v(0) = 1, s(0)=6 s(t)= ________ (Type an expression using t as the variable.)
The position function is obtained by integrating the acceleration function twice and applying initial conditions: s(t) = -5/16 sin(4t) + 9/4t + 6.
To find the position function, we need to integrate the acceleration function twice with respect to time (t) and apply the initial conditions.
Given:
Acceleration function: a(t) = 5 sin(4t)
Initial velocity: v(0) = 1
Initial position: s(0) = 6
First, integrate the acceleration function to find the velocity function:
v(t) = ∫(a(t)) dt = ∫(5 sin(4t)) dt = -5/4 cos(4t) + C1
Next, apply the initial velocity condition to solve for the constant C1:
v(0) = -5/4 cos(0) + C1 = 1
C1 = 1 + 5/4 = 9/4
Now, integrate the velocity function to find the position function:
s(t) = ∫(v(t)) dt = ∫(-5/4 cos(4t) + 9/4) dt = -5/16 sin(4t) + 9/4t + C2
Finally, apply the initial position condition to solve for the constant C2:
s(0) = -5/16 sin(0) + 9/4(0) + C2 = 6
C2 = 6
Therefore, the position function is:
s(t) = -5/16 sin(4t) + 9/4t + 6 (Expression using t as the variable).
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A vase contains 9 balls: 3 blue, 3 red and 3 green ones. Draw 3 random balls from the vase and don't put them back in. Consider the events: A = the 3 balls drawn have the same color, B = the 3 balls drawn have different colors.
a) Calculate P(A).
b) Calculate P(B).
c) Are A and B independent?
a)The probability that 3 balls drawn have the same color=1/28.
b)The probability that 3 balls drawn have different colors= 3/14.
c)A and B are mutually exclusive events.
Explanation:
Given that a vase contains 9 balls: 3 blue, 3 red, and 3 green ones. Three random balls are drawn from the vase and are not put back in.
The events that are considered are: A = the 3 balls drawn to have the same color. B = the 3 balls drawn have different colors.
(a) Calculation of P(A), We need to find the probability that 3 balls drawn have the same color.
P(A) = probability of getting 3 blue balls + probability of getting 3 red balls + probability of getting 3 green balls.
The probability of getting 3 blue balls is 3/9 × 2/8 × 1/7 = 1/84.
The probability of getting 3 red balls is 3/9 × 2/8 × 1/7 = 1/84.
The probability of getting 3 green balls is 3/9 × 2/8 × 1/7 = 1/84
Therefore, P(A) = 1/84 + 1/84 + 1/84 = 3/84 = 1/28.
(b) Calculation of P(B), We need to find the probability that 3 balls drawn have different colors.
P(B) = probability of getting one ball of each color + probability of getting 2 balls of one color and one ball of another color.
The probability of getting one ball of each color is 3/9 × 3/8 × 3/7 = 27/252
The probability of getting 2 balls of one color and one ball of another color is 3(3/9 × 2/8 × 3/7) = 27/252
Therefore, P(B) = 27/252 + 27/252 = 54/252 = 3/14.
(c) Finding if are A and B independent,
A and B are not independent as P(A) = 1/28 and P(B) = 3/14.
The probability of both A and B occurring together is zero, as it is impossible to draw 3 balls that are of the same color and 3 balls of different colors at the same time. Hence, A and B are mutually exclusive events.
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a) The probability that the 3 balls drawn have the same color:
P(A) = 0.0095 or 0.95%
b) The probability that the 3 balls drawn have different colors:
P(B) = 0.2143 or 21.43%
c) A and B are not independent.
Explanation:
a)
P(A) = (3/9) × (2/8) × (1/7) + (3/9) × (2/8) × (1/7) + (3/9) × (2/8) × (1/7)
= 0.0095 or 0.95%
Note: In the first fraction, the numerator is 3 because there are three blue balls. The denominator is 9 because there are 9 balls in total.
Since the first ball has been drawn, there are only 8 balls left, hence 2/8 in the second fraction. And so on.
b)
P(B) = (3/9) × (3/8) × (3/7) + (3/9) × (3/8) × (3/7) + (3/9) × (3/8) × (3/7)
= 0.2143 or 21.43%
Note: In the first fraction, the numerator is 3 because there are three blue balls. The denominator is 9 because there are 9 balls in total.
Since the first ball has been drawn, there are only 8 balls left, hence 3/8 in the second fraction. And so on.
c)
P(A)P(B) = 0.0095 × 0.2143
= 0.00204
≈ 0.2%
P(A ∩ B) = 0 (because if you have 3 balls of different colors, then you cannot have 3 balls of the same color at the same time)
Therefore, A and B are not independent.
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1. Write an equation for the circle whose graph is shown.
y
5
3
2
-5 -4 -3 -2 -1
1 2 3 4 5 x
2
3
-4
-5
O (3-1)2 + (y + 2)2 = 2
O (3-1)2 + (x + 2)2 = 4
O (2+1)2 + (y – 2)2 = 4
O (2+1)2 + (y-2)2
Answer:
325
Step-by-step explanation:
got it right on edg
The required equation of the circle that shown in the graph is,
(x + 1)² + (y - 2)² = 4 where (-1 , 2) is the center of the circle and 2 unit is the radius of the circle. Option C is correct.
A graph of the circle is shown, It is to determine the equation of the circle.
The circle is the locus of a point whose distance from a fixed point is constant i.e center (h, k). The equation of the circle is given by
(x - h)² + (y - k)² = r²
where h, k is the coordinate of the circle's center on the coordinate plane and r is the circle's radius.
From the graph, the center is ( -1, 2) and the radius is 2. Now put these values in the standard equation of the circle.
(x - (-1))² + (y - 2)² = 2²
(x +1 )² + (y - 2)² = 4
Thus, the required equation of the circle that shown in the graph is,
(x + 1)² + (y - 2)² = 4 where (-1 , 2) is center of the circle and 2 unit is the radius of the circle. Option C is correct.
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Choose the correct statement about best-fit lines.
a.
A best-fit line is close to most of the data points.
b.
A best-fit line describes the exact coordinates of each point in the data set.
c.
A best-fit line always has a positive slope.
d.
A best-fit line must go through at least two of the data points.
Please select the best answer from the choices provided
A
B
C
D
Answer:
A
Step-by-step explanation:
A line of best fit is a line that gives an estimate of where the line would be, therefore it is close to most of the data points.
Answer:
A)
Step-by-step explanation:
hello I need help in this
ILL MARK BRAINLIESTTTTT
Answer:
0.075 inches per year
Step-by-step explanation:
The average rate of change is measured as
( difference in diameter ) ÷ ( difference in years )
= ( 251 - 248 ) ÷ ( 2005 - 1965 )
= 3 inches ÷ 40 years
= 0.075 inches per year
Which exponential equation is equivalent to the logarithmic equation below?
log 300 = a
A. 3000 = 10
B. a10 = 300
C. 100 = 300
D. 30010 = a
Answer:
[tex]\implies\boxed{ 10^a = 300 }[/tex]
Step-by-step explanation:
We are provided logarithmic equation , which is ,
[tex]\implies log_{10}^{300}= a [/tex]
Here we took the base as 10 , since nothing is mentioned about that in Question .Say if we have a expoteintial equation ,
[tex]\implies a^m = n [/tex]
In logarithmic form it is ,
[tex]\implies log_a^n = m [/tex]
Similarly our required answer will be ,
[tex]\implies\boxed{ 10^a = 300 }[/tex]
9. What is the distance along the x axis from order pairs -8, 6 and 4,6
a. 4 units
b. 8 units
c. 16 units
d. 12 units
Answer:
12 units
Step-by-step explanation:
got it right on edg
1. Chester has a par value $500 bond issued by Harris County. The bond pays 6. 2% yearly interest, and has a current market rate of 98. 626. If Harris County bonds had a market rate of 101. 760 when Chester bought it, what is the current yield on Chester’s bond?
a.
0. 061
b.
0. 062
c.
0. 063
d.
0. 031
2. Much of Ann’s investments are in Cilla Shipping. Ten years ago, Ann bought seven bonds issued by Cilla Shipping, each with a par value of $500. The bonds had a market rate of 95. 626. Ann also bought 125 shares of Cilla Shipping stock, which at the time sold for $28. 00 per share. Today, Cilla Shipping bonds have a market rate of 106. 384, and Cilla Shipping stock sells for $30. 65 per share. Which of Ann’s investments has increased in value more, and by how much?
a.
The value of Ann’s bonds has increased by $45. 28 more than the value of her stocks.
b.
The value of Ann’s bonds has increased by $22. 64 more than the value of her stocks.
c.
The value of Ann’s stocks has increased by $107. 81 more than the value of her bonds.
d.
The value of Ann’s stocks has increased by $8. 51 more than the value of her bonds.
3. Stock in Ombor Medical Supplies earns a return of 5. 3% annually, while bonds issued by Ombor Medical Supplies earns a return of 4. 1% annually. If you invest a total of $2,400 in Ombor Medical Supplies, $1,400 of which is in bonds and $1,000 of which is in stocks, which side of the investment will show a greater return after six years, and how much greater will it be?
a.
The stocks will earn $55. 60 more than the bonds.
b.
The stocks will earn $118. 60 more than the bonds.
c.
The bonds will earn $82. 00 more than the stocks.
d.
The bonds will earn $26. 40 more than the stocks.
4. Maria owns four par value $1,000 bonds from Prince Waste Collection. The bonds pay yearly interest of 7. 7%, and had a market value of 97. 917 when she bought them. Maria also owns 126 shares of stock in Prince Waste Collection, each of which cost $19. 33 and pays a yearly dividend of 85 cents. Which aspect of Maria’s investment in Prince Waste Collection offers a greater percent yield, and how much greater is it?
a.
The bonds have a yield 3. 466 percentage points greater than that of the stocks.
b.
The bonds have a yield 7. 863 percentage points greater than that of the stocks.
c.
The stocks have a yield 6. 75 percentage points greater than that of the bonds.
d.
The stocks have a yield 9. 01 percentage points greater than that of the bonds
1. Current Yield on Chester's bond Chester has a par value of $500 bond issued by Harris County, which pays 6.2% yearly interest. When Chester bought it, the market rate of Harris County bonds was 101.760. As the bond is purchased at a premium, the bond's price is above the par value. It is trading above the face value of $500 per bond.Using the current market rate formula, C = (I/PV) + (FV/PV)n
Where ,C = Current YieldI = Yearly Interest PV = Current Market RateFV = Par Value ($500)n = Number of Years Then,
98.626 = (6.2/ PV) + (500 / PV)101.760
[tex](PV) = $498.70PV = $4.90[/tex]
Therefore, the current market price of the bond is $4.90.Using the current yield formula, Current Yield = (Yearly Interest/Current Market Price) x 100Current
Yield [tex]= (6.2/4.90) x 100 = 126.53[/tex]
Therefore, the current yield on Chester's bond is 126.53%.2. Investment with a greater return after six years After six years, the return on stocks and bonds investment will be calculated as: Stocks
Return = [tex]1,000(1 + 0.053)^6 = $1,385.94[/tex]
Bonds Return = [tex]1,400(1 + 0.041)^6 = 1,734.69[/tex]
Therefore, the return on bonds investment is $1,734.69, and the return on stocks investment is $1,385.94. The bonds investment will show a greater return after six years, and the difference is $348.75.3. Greater percent yield of Maria's Investment Maria owns four par value $1,000 bonds and 126 shares of stock in Prince Waste Collection. The bonds pay a yearly interest of 7.7%, and Maria bought them when the market value was 97.917.The cost of one stock = $19.33 and the yearly dividend per stock is 85 cents.
Maria's total investment in stocks = [tex]126\times$19.33 = $2,439.18[/tex]
Maria's total investment in bonds = $1,000 x 4 = $4,000 When Maria bought bonds, the market value of the bond was [tex]979.17 ($1,000 x 0.97917).[/tex][tex]= (Yearly Interest / Purchase Price) \times 100= (7.7 / 979.17) \times 100 = 0.786%[/tex]
The stock's annual yield[tex]= (Dividend / Purchase Price) \times100= (0.85 / 19.33) \times 100 = 4.4%[/tex]
Therefore, the percent yield on stocks is greater, and the difference is 3.61%.
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a cone has a height of 7ft and a radius 4ft. Which equation can find the volume of the cone?
PLEASE I ACTUALLY NEED HELP
Answer:
B
Step-by-step explanation:
equation for volume of a cone = [tex]V=\frac{1}{3}\pi r^2h[/tex]
plug in - [tex]V=\frac{1}{3} \pi (4)^2(7)[/tex]
Answer:
we have
volume of cone =1/3 πr²h=1/3×π×4²×7ft³
so
v=1/3 π(4²)(7)ft³
3. Find the area of a semicircle with a diameter of
30 inches.
Answer:
Answer:
Area of a CIRCLE with radius of 3 inches is
PI * radius^2 =
3.14159265 * 3^2 =
28.27433385 square inches.
Since we are dealing with a SEMI-CIRCLE, we divide that by 2 and get:
14.137166925 square inches which rounds to about
14.14 square inches
Step-by-step explanation:
Answer: 30pi^2 divided by 2
Explanation:
To find the area of a circle, it is pi x radius ^2
Since it is a semicircle 30 is the radius.
pi x radius ^ 2 = 30pi^2
the area would be 30pi^2 divided by 2
Using the following returns, calculate the average returns, the variances, and the standard of deviations for X and Y.
Returns
Year X Z
1 21% 24%
2 -16 -3
3 9 26
4 18 -13
5 4 30
The variance is calculated as the average of the squared deviations from the average return. The standard deviation is the square root of the variance. For X, the standard deviation is √(130.24%) = 36.07%. For Y, the standard deviation is √(388.48%) = 62.35%.
First, calculate the average returns by summing up the returns for each year and dividing by the total number of years. For X, the average return is
(21% - 16% + 9% + 18% + 4%) / 5 = 7.2%.
For Y, the average return is
(24% - 3% + 26% - 13% + 30%) / 5 = 12.8%.
Next, calculate the variances. For X, subtract the average return from each year's return, square the result, and calculate the average of these squared deviations. The variance for X is
(6.2^2 + (-23.2)^2 + 1.8^2 + 10.8^2 + (-3.2)^2) / 5 = 130.24%.
Similarly, for Y, the variance is
(11.2^2 + (-15.8)^2 + 13.2^2 + (-25.8)^2 + 17.2^2) / 5 = 388.48%.
Finally, calculate the standard deviations by taking the square root of the variances. For X, the standard deviation is √(130.24%) = 36.07%. For Y, the standard deviation is √(388.48%) = 62.35%.
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A large group of mice is kept in a cage having compartments A, B and C Mice in compartment A move to B with probability O2 and to C with probability 04 Mice in B move to A or with probabilities 0 25 and 045, respectively Mice in C move to A or B with probabilities 04 and 0.3 respectively. Find the long-range prediction for the fraction of mice in each of the compartments The long range prediction for the fraction of mice is in compartment A __ , in compartment B __ , and in compartment C ___.
The long-range prediction for the fraction of mice in each compartment is approximately 40% in Compartment A, 30% in Compartment B, and 30% in Compartment C.
To determine the long-range predictions, we can set up a system of equations based on the probabilities of mice moving between compartments. Let's denote the fraction of mice in compartment A as x, in compartment B as y, and in compartment C as z.
For compartment A, the fraction of mice in the next step will be 0.2x (moving to B) and 0.4x (moving to C). Similarly, for compartments B and C, the fractions in the next step will be 0.25y + 0.4z and 0.45y + 0.3z, respectively.
Setting up the equations, we have:
x = 0.2x + 0.4z
y = 0.25y + 0.4z
z = 0.45y + 0.3z
Simplifying and solving the equations, we find:
x = 0.4
y = 0.3
z = 0.3
Therefore, the long-range prediction for the fraction of mice in compartment A is 0.4, in compartment B is 0.3, and in compartment C is 0.3. This means that over time, approximately 40% of mice will be in compartment A, 30% in compartment B, and 30% in compartment C.
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what is is 7 *10+ 7 i need to now please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
Answer:
77
Step-by-step explanation:
7x10 is 70 plus 7 is 77
Use the standard normal distribution or the disebution to constructa confidence interval for the popolnoma Antly you decided why the In a random sample of 45 people, the mean body mass index (BMI) 27 B and the standard devion was 616 Which distribution should be used to contact the condence interval? Choose the correct below O A Use a normal distributor because the sample is rondom the population and on OB. Use anomal distribution because the same is random na 30 known OC Uldistribution because the sales and the population is not an unknown OD Use adidinotion because the sample random and unknown OE. Neither a normal dishon nordisbution can be because the samples and and the now to becoma
A confidence interval for the population mean (BMI) based on a
random
sample of 45 people, a normal distribution should be used because the sample is random and the population is known.
In this scenario, the sample size is sufficiently large (n = 45), and the population standard
deviation
(σ = 6.16) is known. When these conditions are met, the appropriate distribution to construct a confidence interval for the population mean is the normal distribution. The central limit theorem states that when the sample size is large, the distribution of the sample mean approaches a
normal
distribution regardless of the shape of the population distribution.
Using the normal distribution, we can calculate the
standard
error of the mean (SEM) by dividing the population standard deviation by the square root of the sample size: SEM = σ / √n. In this case, the SEM would be 6.16 / √45. The confidence
interval
can then be calculated by multiplying the SEM by the appropriate critical value for the desired level of confidence (e.g., 95%) and adding/subtracting it to/from the sample mean.
Therefore, to construct a confidence interval for the population mean BMI, we would use a normal
distribution
because the sample is random, and the population standard deviation is known.
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Is (7,0) a solution to the equation y = 2x + 7?
yes or no
and someone explain bc i trying to learn this :(
PWEASE HELP ME THIS IS A STRUGGLE FOR ME
Answer:
I think the answer is 49in^2