A) We can draw a line perpendicular to side ED from the center of the hexagon, which will bisect side ED and create two additional triangles.
B) Area of each triangle = 31.16 square inches (rounded to two decimal places)
C) Total surface area = 375.87 square inches (rounded to two decimal places)
What is Surface Area ?Any geometric shape with three dimensions can have its surface area determined. The area or region that an object's surface occupies is known as its surface area.
Now in the given question,
Part A: To decompose this shape into triangles, we can draw lines connecting the center of the hexagon to each of its vertices, creating six triangles. We can also draw a line perpendicular to side ED from the center of the hexagon, which will bisect side ED and create two additional triangles.
Part B: Each of the six triangles created by connecting the center of the hexagon to its vertices is an equilateral triangle, because all sides of the hexagon are equal in length. The area of an equilateral triangle can be calculated using the formula:
Area = (√3 / 4) x side²
where side is the length of one side of the equilateral triangle. In this case, the length of each side of the equilateral triangle is also 12 inches, so we have:
Area = (√3 / 4) x 12²
Area = (√3 / 4) x 144
Area = 36√3 square inches
Each of the two triangles created by drawing a perpendicular from the center of the hexagon to side ED is a right triangle, because one of its angles is 90 degrees. We can use the Pythagorean theorem to calculate the length of the other two sides of the right triangle. We know that one side has length 10.4 inches and the hypotenuse (which is also a side of the hexagon) has length 12 inches. Let x be the length of the other side of the right triangle. Then we have:
x² + 10.4² = 12²
x²+ 108.16 = 144
x² = 35.84
x = √35.84
x = 5.99 inches (rounded to two decimal places)
The area of each right triangle can be calculated using the formula:
Area = (1/2) x base x height
where the base is 5.99 inches (the length of the side opposite the 90 degree angle) and the height is 10.4 inches (the length of the side adjacent to the 90 degree angle). We have:
Area = (1/2) x 5.99 x 10.4
Area = 31.16 square inches (rounded to two decimal places)
Part C: To determine the area of the table's surface, we need to add up the areas of all eight triangles. There are six equilateral triangles, each with an area of 36sqrt(3) square inches, and two right triangles, each with an area of 31.16 square inches. Therefore, the total area of the table's surface is:
Total area = 6 x 36√3 + 2 x 31.16
Total area = 216√3 + 62.32
Total area = 375.87 square inches (rounded to two decimal places)
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Function A and Function B are linear functions.
Function A
Function B
y = 2x - 4
X
-5
-4
2
y
-11
-8
10
Which statements are true? Select all that apply.
The slope of Function A is greater than the slope of Function B.
The slope of Function A is less than the slope of Function B.
The y-intercept of Function A is greater than the y-intercept of Function B.
The y-intercept of Function A is less than the y-intercept of Function B.
Answer:
The true statements to be selected are the following:
"The slope of Function A is greater than the slope of Function B."
"The y-intercept of Function A is greater than the y-intercept of Function B."
Step-by-step explanation:
Based on the points that were provided for Function A: (-5, -11), (-4, -8), and (2, 10), we can create a linear function to represent the function. The slope of the function is 3, and the y-intercept would be 4, so the linear function of Function A would be y = 3x + 4. And the function of Function B is, as given, y = 2x - 4.
Now, we can compare the two functions and determine which statements are correct. Function A has a slope of 3 and a y-intercept of (0, 4), whilst Function B has a slope of 2 and a y-intercept of (0, -4). As both the slope and y-intercept of Function A is greater than the slope and y-intercept of Function B, the correct statements to select would be "The slope of Function A is greater than the slope of Function B." and "The y-intercept of Function A is greater than the y-intercept of Function B."
Have a great day! Feel free to let me know if you have any more questions :)
Show that equation (5.3) is true by considering an investment in the asset combined with a short position in a futures contract. Assume that all income from the asset is reinvested in the asset. Use an argument similar to that in footnotes 2 and 4 of this chapter and explain in detail what an arbitrageur would do if equation (5.3) did not hold.
5.3 equation:
F0= S0e(r-q)T
Footnote 2:
For another way of seeing that equation (5.1) is correct, consider the following strategy: buy one unit of the asset and enter into a short forward contract to sell it for F0 at time T. This costs S0 and is certain to lead to a cash inflow of F0 at time T. Therefore S0 must equal the present value of F0; that is, S0= F0erT, or equivalently F0= S0erT
Equation 5.1 F0= S0erT.
Footnote 4:
For another way of seeing that equation (5.2) is correct, consider the following strategy: buy one unit of the asset and enter into a short forward contract to sell it for F0 at time T. This costs S0 and is certain to lead to a cash inflow of F0 at time T and an income with a present value of I. The initial outflow is S0. The present value of the inflows is I+ F0e-rT. Hence, S0=I + F0e-rT, or equivalently F0= (S0 – I)erT
Equation 5.2 F0= (S0 – I)erT
The futures price F0 must be equal to the present value of the expected future spot price, which is [tex]S0e^{(r-q)} T[/tex]. Hence, equation (5.3) is true.
We can use a similar strategy to Footnote 2 to show that equation (5.3) is correct.
Consider an investor who wants to invest in an asset with spot price S0, which pays a continuous dividend yield of q, and simultaneously take a short position in a futures contract with maturity T, which has a futures price of F0. The investor buys one unit of the asset for S0 and sells a futures contract for F0.
At maturity T, the futures contract will be settled at the spot price of the asset, ST. If ST > F0, the investor makes a profit of ST - F0 on the asset, but incurs a loss of F0 - ST on the futures contract. If ST < F0, the investor incurs a loss of F0 - ST on the asset, but makes a profit of ST - F0 on the futures contract.
Now, suppose that equation (5.3) does not hold, i.e., [tex]F0 \neq S0e^{(r-q)} T[/tex]. If [tex]F0 > S0e^{(r-q)} T[/tex], then the investor can buy the asset for S0, sell a futures contract for F0, and invest the difference [tex](F0 - S0e^{(r-q)} T)[/tex] at the risk-free rate r. At maturity T, the investor will receive ST from the asset, F0 from the futures contract, and [tex](F0 - S0e^{(r-q)} T)e^r(T-t)[/tex] from the investment. The total cash inflow will be [tex]ST + F0 + (F0 - S0e^{(r-q)} T)e^r(T-t).[/tex] But this is greater than the initial outflow of S0, which means that the investor can make a riskless profit, violating the no-arbitrage principle.
Similarly, if[tex]F0 < S0e^{(r-q)} T[/tex], then the investor can short-sell the asset for S0, buy a futures contract for F0, and borrow the difference [tex](S0e^{(r-q)} T - F0)[/tex] at the risk-free rate r. At maturity T, the investor will receive ST from the short sale, F0 from the futures contract, and [tex](S0e^{(r-q)} T - F0)e^r(T-t)[/tex]from the borrowing. The total cash inflow will be [tex]ST + F0 + (S0e^{(r-q)} T - F0)e^r(T-t)[/tex]. But this is greater than the initial outflow of S0, which means that the investor can make a riskless profit, violating the no-arbitrage principle.
Therefore, to avoid arbitrage opportunities, The futures price F0 must be equal to the present value of the expected future spot price, which is [tex]S0e^{(r-q)} T[/tex]. Hence, equation (5.3) is true.
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What is the height h for the base that is 5/4 units long?
The measure of the height of the triangle is 3 / 8 units.
What are trigonometric identities?The branch of mathematics that sets up a relationship between the sides and the angles of the right-angle triangle is termed trigonometry.
The trigonometric functions, also known as circular, angle, or goniometric functions in mathematics, are real functions that link the angle of a right-angled triangle to the ratios of its two side lengths.
Given that the triangle has sides, 3 / 4 cm, 1 cm, and 5 / 4 cm.
The angle of the triangle is,
tanθ = ( 1 ) / ( 3 / 4 )
tanθ = 1.33
θ = 53.6°
The height will be,
h = ( 3 / 4 ) x sin53.4
h = 0.6
h = 4 / 5 cm
Therefore, the measure of the height of the triangle is 3 / 8 units.
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Alicia would like to know if there is a difference in the average price between two brands of shoes. She selected and analyzed a random sample of 40 different types of Brand A shoes and 33 different types of Brand B shoes, Alicia observes that the boxplot of the sample of Brand A shoe prices shows two outliers. Alicia wants to construct a confidence interval to estimate the difference in population means. Is the sampling distribution of the difference in sample means approximately normal? A) Yes, because Alicia selected a random sample Yes, because for each brand it is reasonable to assume that the population size is greater than ten times its sample size C) Yes, because the size of each sample is at least 30 D) No, because the distribution of Brand A shoes has outliers (E) No, because the shape of the population distribution is unknown
Because Alicia chose a random sample, the answer is (A).
How is the sampling distribution of the difference in sample means approximately normal?Regardless of the population distribution's shape, the Central Limit Theorem states that as sample size rises, the sampling distribution of the sample means tends to resemble a normal distribution. 40 pairs of Brand A shoes and 33 pairs of Brand B shoes were randomly chosen by Alicia, meeting the Central Limit Theorem's minimum sample size criterion. Hence, even though the distribution of Brand A shoes contains outliers, the sampling distribution of the difference in sample means is roughly normal. The Central Limit Theorem can be applied without assuming a particular population size or sample size, provided that the sample is independent and random.
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The correct answer is (C) Yes, because the size of each sample is at least 30.
Explain Central Limit Theorem?The Central Limit Theorem (CLT) states that the sampling distribution of the mean of a sufficiently large number of independent and identically distributed random variables will be approximately normal, regardless of the population distribution, with a mean equal to the population mean and a standard deviation equal to the population standard deviation divided by the square root of the sample size.
The Central Limit Theorem states that the sampling distribution of the difference in sample means will be approximately normal as long as the sample sizes are large enough, typically n≥30.
Therefore, the fact that Alicia's sample sizes are 40 and 33 respectively ensures that the sampling distribution is approximately normal, even with outliers in Brand A.
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NO LINKS!!! URGENT HELP PLEASE !!!
#1-3
Find the shaded area of each figure, and round your answer to one decimal place if necessary.
You posted a lot of questions. I'll do the first three to get you started.
==================================================
Problem 1
Answer: 55 square inchesExplanation:
Draw a vertical line to enclose the un-shaded region. Think of it like adding fencing to enclose a paddock or backyard.
What results are two rectangles. The larger rectangle has area = length*width = 8*10 = 80 square inches.
The smaller unshaded rectangle inside has area of 5*5 = 25 square inches.
The difference of those areas is: 80-25 = 55
You have the correct answer. Nice work.
==================================================
Problem 2
Answer: 486 square feetExplanation:
Follow the same set of steps as done in the previous problem. Draw a vertical line to form a larger rectangle.
The larger rectangle has area of 18*31.5 = 567 square feet.
The smaller unshaded rectangle has area of 9*9 = 81 square feet.
Subtract those results to get the shaded region only: 567-81 = 486
==================================================
Problem 3
Answer: 5.6 square cmExplanation:
This time we don't have to add any extra lines to enclose the figure.
A = larger area = 6*2.4 = 14.4
B = smaller unshaded area = 2*4.4 = 8.8
C = A-B = 14.4-8.8 = 5.6 square cm
You have the correct answer. Nice work.
Answer:
1) 55 in²
2) 486 ft²
3) 5.6 cm²
Step-by-step explanation:
To calculate the area of each given figure, subtract the area of the cut-out rectangle (marked in blue on the attached diagram) from the area of the larger rectangle.
[tex]\boxed{\begin{minipage}{5cm}\underline{Area of a rectangle}\\\\$A=w\cdot l$\\\\where:\\ \phantom{ww} $\bullet$ \quad $w$ is the width.\\ \phantom{ww} $\bullet$ \quad $l$ is the length.\\\end{minipage}}[/tex]
Question 1[tex]\begin{aligned}\textsf{Total Area}&=\textsf{Larger rectangle}-\textsf{Cut-out rectangle}\\&=8 \cdot 10- 5\cdot 5\\&=80-25\\&=55\; \sf in^2\end{aligned}[/tex]
Question 2[tex]\begin{aligned}\textsf{Total Area}&=\textsf{Larger rectangle}-\textsf{Cut-out rectangle}\\&= 31.5\cdot 18- 9\cdot 9\\&=567-81\\&=486\; \sf ft^2\end{aligned}[/tex]
Question 3[tex]\begin{aligned}\textsf{Total Area}&=\textsf{Larger rectangle}-\textsf{Cut-out rectangle}\\&= 6\cdot 2.4- 4.4\cdot2 \\&=14.4-8.8\\&=5.6\; \sf cm^2\end{aligned}[/tex]
A random sample of 10 subjects have weights with a standard deviation of 14.0480 kg. What is the variance of their weights? Be sure to include the appropriate units with the result. The variance of the sample data is?
The variance of the sample data is equal to 197.3463 kg^2.
How to calculate the standard deviation of a data sample?In Statistics, the standard deviation of a data sample is the square root of the variance and as such, this given by the following mathematical expression:
Standard deviation, δ = √Variance
By making variance the subject of formula, we have the following:
Variance = δ²
By taking the square of standard deviation, the variance would be calculated as follows:
Variance = δ²
Variance = 14.0480²
Variance = 197.3463 kg^2.
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Can someone please help me with the math problem, ASAP? The math problem is in the picture below, THANK YOU!
Note: Please show how you go with your answer for decreasing on or increasing on, one of the other. If you know what I mean.
Answer:
Increasing: (-infinity, 1) and Decreasing: (1, -infinity)
Step-by-step explanation:
Increasing means as you go from left to right where the x values are increasing, the y values are also increasing.
Decreasing means as you go from left to right where the x values are increasing, the y values are decreasing.
Convert 39 gallons to liters using unit fractions
The conversion gives 39 Galloon = 147.63106 Liters
What is unit Conversion?The same attribute is expressed using a unit conversion, but in a different unit of measurement. For instance, time can be expressed in minutes rather than hours, and distance can be expressed in kilometres, feet, or any other measurement unit instead of miles.
Given:
We have to convert 39 galloon to liter
As, 1 Galloon = 3.7854118 Liters
Now, 39 Galloon= 39 x 3.7854118 Liters
= 147.63106 Liters
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What is an equation of the line that passes through the point (-7,-6)(−7,−6) and is parallel to the line x-y=5x−y=5?
Answer:
y = x + 1
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
given
x - y = 5 ( subtract x from both sides )
- y = - x + 5 ( multiply through by - 1 )
y = x - 5 ← in slope- intercept form
with slope m = 1
• Parallel lines have equal slopes , then
y = x + c ← is the partial equation
to find c substitute (- 7, - 6 ) into the partial equation
- 6 = - 7 + c ( add 7 to both sides )
1 = c
y = x + 1 ← equation of parallel line
.
The perimeter of a triangle is 104 units. The combined length of two of the sides of the triangle is 64 units.
What is the length of the third side of the triangle in units?
The equation that represents the third side of the triangle is x + 64 = 104 and its solution is 40 units.
What is the triangle?The polygonal shape of a triangle has a number of sides and three independent variables. Angles in the triangle add up to 180°.
The perimeter of the triangle is determined by adding together all of its sides.
The perimeter of a triangle is 104 units. The combined length of two of the sides of the triangle is 64 units.
Let the third side be 'x'. Then the equation is given as,
x + 64 = 104
x = 104 - 64
x = 40 units
The equation that represents the third side of the triangle is x + 64 = 104 and its solution is 40 units.
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Fill in the table using this function rule.
y=3x-1
X Y
1
4
5
7
The completed table using this function rule is,
Input (x) 1 4 5 7
Output (y) 2 11 14 26
What is the function rule?Function rule is the rule of writing the relationship between the two variables, one is dependent and another is independent.
The table given in the problem is;
Input (x) 1 4 5 7
Output (y)
Thus we need to write such a function, which gives the value of (y).
y=3x-1
Complete the table using the above function rule;
At (x) equal to 1,
y=3x-1
y=3(1)-1
y = 2
At (x) equal to 4,
y=3x-1
y=3(4)-1
y = 11
At (x) equal to 5,
y=3x-1
y=3(5)-1
y = 14
At (x) equal to 7,
y=3x-1
y=3(7)-1
y = 26
Hence, the completed table is,
Input (x) 1 4 5 7
Output (y) 2 11 14 26
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Write the system first as a vector equation and then as a matrix equation. 3x^1 - x^2 = 4 10x^1 + 8x^2 = 2 6x^1 - x^2 = 1
The vector equation of system of equations is:
[tex]x_1\begin{bmatrix}a_1\\.\\.\\a_n\end{bmatrix}+x_n\begin{bmatrix}a_{m1}\\.\\.\\a_{mn}\end{bmatrix}=\begin{bmatrix}b_1\\.\\.\\b_n\end{bmatrix}[/tex]
And the matrix equation is,
[tex]\begin{bmatrix} 3 & -1\\10 & 8\\6 & -1\end{bmatrix}\begin{bmatrix}x_1\\x_2\end{bmatrix}=\begin{bmatrix}4\\2\\1\end{bmatrix}[/tex]
The system of eqyuations is:
3x₁- x₂ = 4
10x₁ + 8x₂ = 2
6x₁ - x₂ = 1
Consider the system of equations :
a₁x₁ + . . . + [tex]a_m x_m[/tex]= b₁
.
.
[tex]a_n[/tex]x₁ + . . . + [tex]a_{nm} x_{nm}[/tex] = [tex]b_n[/tex]
We know that the vector form of above system of equations is:
[tex]x_1\begin{bmatrix}a_1\\.\\.\\a_n\end{bmatrix}+x_n\begin{bmatrix}a_{m1}\\.\\.\\a_{mn}\end{bmatrix}=\begin{bmatrix}b_1\\.\\.\\b_n\end{bmatrix}[/tex]
So, required vector equation would be,
[tex]x_1\begin{bmatrix}3\\10\\6\end{bmatrix}+x_2\begin{bmatrix}-1\\8\\-1\end{bmatrix}=\begin{bmatrix}4\\2\\1\end{bmatrix}[/tex]
and the required matrix equation would be,
[tex]\begin{bmatrix} 3 & -1\\10 & 8\\6 & -1\end{bmatrix}\begin{bmatrix}x_1\\x_2\end{bmatrix}=\begin{bmatrix}4\\2\\1\end{bmatrix}[/tex]
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Explain why the graph of a linear equation in the form of y = c is the horizontal line, parallel to the x-axis passing through the point (0,c).
The linear equation in the form of y = c is the horizontal line, parallel to the x-axis passing through the point (0,c), because in this equation the x-intercept is 0.
What are linear equations?A linear equation is an equation in which the highest power of the variable is always 1.
The line y = c, is always parallel to x-axis because here if we compare to general equation of a line y = mx+c, the m is zero that means the slope is zero and also the x-intercept is zero.
Therefore, the line y = c is the horizontal line, parallel to the x-axis.
Hence, the linear equation in the form of y = c is the horizontal line, parallel to the x-axis passing through the point (0,c), because in this equation the x-intercept is 0.
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Don and Ana are driving to their vacation destination. Upon entering the freeway they began driving at a constant rate of 65 miles an hour. Don noticed that 5 hours into the trip they were 625 miles from the destination. a. How far from their destination will they be 5.3 hours since entering the freeway? Preview b. How far from their destination were they 4.7 hours since entering the freeway? Preview
(a) Thus, they are 601.5 miles far from their destination.
(b) Thus, they are 692.5 miles far from their destination.
We know that speed, distance, and time all are in a relationship to each other. this relationship can be given as,
Speed*time = Distance
Given to us
Speed = 65 miles an hour
Don noticed that 5 hours into the trip they were 625 miles from the destination.
Distance traveled by them in 5 hours
We know that Don and Ana are traveling at a constant speed and they are traveling for 5 hours.
Distance = speed * time
Distance = 65 *5 = 320 miles.
Thus, the Distance traveled by them in 5 hours is 320 miles.
Total Distance from their destination
We know that Don and Ana are traveling on the freeway for the past 5 hours and they are still 625 miles away, therefore,
otal Distance from their destination
= Distance traveled by them in 5 hours + 650 miles
= 320 miles + 625miles
=945 miles
Thus, the distance traveled by then is 945 miles.
A.) Distance between them and destination after 5.3 hours since entering the freeway,
Distance traveled by them = speed x 5.3
= 65*5.3 = 344.5
Distance between them and the destination
= Total Distance from their destination - Distance traveled by them
= 945 miles - 344.5 miles
= 601.5 miles
Thus, they are 601.5 miles far from their destination.
B.) Distance between them and destination after 2.3 hours since entering the freeway,
Distance traveled by them = speed x 4.7
= 65 x 4.7 = 305.5 miles
Distance between them and the destination
= Total Distance from their destination - Distance traveled by them
= 945miles - 305.5 miles
= 639.5 miles
Thus, they are 692 miles far from their destination.
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Use the given points to write a system of two linear equations with the two unknowns being the slope and y-intercept of the line. Solve the system to identify those parameters and write the equation for the line passing through the two points in slope-intercept form.
(2, 5) and (6, 2)
(-1, 3) and (0, -2)
(-2, -4) and (2, 1)
The equations of the lines passing through the specified points in slope-intercept form are;
The equation of the line passing through the point (2, 5) and (6, 2) is; y = (-3/4)·x + 6.5The equation of the line passing through the points (-1, 3) and (0, -2) in slope-intercept form is; y = -5·x - 2The line passing through the points (-2. -4) and (2, 1) is; y = 1.25·x - 1.5What is the equation of a line in slope-intercept form?The slope-intercept form of the equation of a line is; y = m·x + c
Where;
m = The slope of the line
c = The y-intercept
The points are; (2, 5), and (6, 2)
The slope and the y-intercept of the line are found as follows;
Let m represent the slope and let c represent the y-intercept, we get the following system of equations;
5 = 2·m + c...(1)
2 = 6·m + c...(2)
Therefore;
The difference between the two equations are;
5 - 2 = 2·m - 6·m + (c - c)
3 = -4·m
m = -3/4
5 = 2·m + c
Therefore;
5 = 2 × (-3/4) + c
c = 5 + 2 × (3/4) = 6.5
The equation is therefore; y = -(3/4)·x + 6.5The points are; (-1, 3) amd (0, -2)
The equation are;
3 = -1·m + c...(1)
-2 = 0×m + c...(2)
Therefore;
c = -2
3 = -1·m + c
3 = -1·m - 2
m = (3 + 2)/(-1) = -5
The equation is therefore;
y = -5·x - 2The points are; (-2, -4) and (2, 1)
The equation are;
-4 = -2·m + c...(1)
1 = 2·m + c...(2)
Subtracting equation (2) from equation (1), we get;
-4 - 1 = -2·m - 2·m = -4·m
-5 = -4·m
m = -5/(-4) = 1.25
m = 1.25
-4 = -2·m + c
Therefore;
-4 = -2 × 1.25 + c
-4 = -2.5 + c
c = -4 + 2.5 = -1.5
c = -1.5
The equation is therefore; y = 1.25·x - 1.5
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Need help and just bored and how do you view the answers on what people say kinda new to this I'll give you 100 points
Answer:
total visitors = 247+79+36 = 362
probability of next person buying one or more costume = 115/362
hope it helps
16 Question 6 Find the monthly payment for the loan. Finance $450,000 for an apartment complex with a 8.5% 30-year loan
Answer:
The monthly payment for the loan is $3,308.10
Step-by-step explanation:
To find the monthly payment for the loan, we can use the standard formula for a fixed-rate mortgage loan:
M = P [ i(1 + i)^n ] / [ (1 + i)^n - 1]
Where:
M = monthly payment
P = principal amount (the amount borrowed)
i = monthly interest rate (annual interest rate divided by 12)
n = total number of monthly payments (30 years * 12 months per year)
First, we need to calculate the monthly interest rate:
i = 8.5% / 12 = 0.00708333
Next, we can substitute the given values into the formula:
M = 450,000 [ 0.00708333(1 + 0.00708333)^360 ] / [ (1 + 0.00708333)^360 - 1]
Using a calculator, we can simplify this equation to find the monthly payment:
M = $3,308.10
Therefore, the monthly payment for the loan is $3,308.10
help me out here guys
x represents the increase in the length and width of the garden from the expression.
What is Area of Rectangle?The area of Rectangle is length times of width.
Ishan garden is in the shape of a rectangle.
The length of the garden is 15 feet and width is 5 feet.
He plans to increase the length and width of his garden.
The total amount of fencing is given as expression
(x+15)+(x+5)+(x+15)+(x+5)
We have to check what the x represents in the expression.
The x represents the increase in the length and width of the garden.
Hence, x represents the increase in the length and width of the garden.
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Your task: find out what happened that made eggs so expensive and why has the cost come
down so much in only 2 months
Dec 30, 2021-Price of eggs $1.5871 per dozen
Dec 30, 2022-$5.3461 per dozen
1. Round each price per dozen to nearest penny:
$1.59
$5.35
2. Find the percent of increase between these 2 years (show all work)
3. Find out why the price of eggs changed so much in that time (please be sure to state
where and how you obtained this info)
4. What is the price of eggs right now in our area? (how do you know? What did you do to
get this info?) (add the link)
5. Please find the percent of change since Dec 30, 2022 to now (show all work)
1. Rounding each price per dozen to nearest penny will be $1.6 and $5.4
2. The percent of increase between these 2 years will be
How to calculate the percentageA percentage simply has to do with the a value or ratio which can be stated as a fraction of 100. It should be noted that when we want to we calculate a percentage of a number, we simply divide it and then multiply the value that is gotten by 100.
The percent of increase between these 2 years will be:
= (5.4 - 1.6) / 1.6 × 100
= 3.8/1.6 × 100
= 237.5%
The reason for the change in price of eggs in that time was due to the increase in the feeding of poultry animals.
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A company is purchasing new computers for its new office. The expression below represents the total cost of the computers, including an
Installation charge for all the computers.
The constant of the expression represents the
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$115 + $100
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, and the coefficient of x represents the
The constant of the expression represents the installation charge, and the coefficient of x represents the number of computer.
What is an expression?Expressions in math are mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by an operator in between.
Given that, an equation that the total cost of the computers, including an installation charge for all the computers:
y = $115x+$100
y is the total cost.
Here the constant of the expression $100 represents the installation charge and the coefficient of x represents the number of computer,
For 1 computer, the total cost be:
y = $215
For 2 computers the total cost be:
y = $330
Hence, the constant of the expression represents the installation charge, and the coefficient of x represents the number of computer.
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use double integration to calculate the area of the region r. you must sketch the region including all appropriate labels x 2y
9/16 square units is the calculated area of the region r using double integration.
The procedure where two variables, x and y, are involved and you must integrate with each of them is known as a double integral or double integration technique. The area of a given function beneath a curve is calculated using this integration method.
The area of a region, the volume below the surface, and the average value of a function of two variables over a rectangular region may all be determined using double integrals.
A two-variable function, f (x, y), integral over a region R is referred to as a double integral. Iterative integration may be used to get the double integral if R = [a, b] [c, d] (integrate first with respect to y, and then integrate with respect to x). The solution can be seen on the attached image below.
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Question correction:
See on the attached image.
While preparing his budget sheet, John Drake noticed that his annual
expenses were $17,700 while his monthly living expenses were $300 more than
his monthly fixed expenses. If John's total monthly expenses were $3,250, find his
monthly fixed expenses and his monthly living expenses.
Answer:
Step-by-step explanation:
What is the value of x in the equation 3__2(4x – 1) – 3x = 5__4– (x + 2) ?
Equation:
[tex]\frac{3}{2}[/tex](4x – 1) – 3x = [tex]\frac{5}{4}[/tex]– (x + 2)
Solving for x
[tex]\frac{3}{2}[/tex] × 4x - [tex]\frac{3}{2}[/tex](-1) -3x= [tex]\frac{5}{4}[/tex]– (x + 2)
⇒6x + [tex]\frac{3}{2}[/tex] -3x= [tex]\frac{5}{4}[/tex]– x - 2
⇒6x -3x + x = [tex]\frac{5}{4}[/tex] - 2 - [tex]\frac{3}{2}[/tex]
⇒4x = [tex]\frac{5-8-6}{4}[/tex]
⇒4x = [tex]\frac{-9}{4}[/tex]
⇒x= [tex]\frac{-9}{16}[/tex]
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PLEASE HELP
use the information given in the figure to find the length of TR . IF applicable , round your answer the nearest whole number
Step-by-step explanation:
first Pythagoras to get PT :
85² = 77² + PT²
7225 = 5929 + PT²
PT² = 1296
PT = 36
second Pythagoras to get ST :
39² = PT² + ST² = 36² + ST²
1521 = 1296 + ST²
ST² = 225
ST = 15
third Pythagoras to get TR :
97² = ST² + TR² = 15² + TR²
9409 = 225 + TR²
TR² = 9184
TR = 95.83318841... ≈ 96
PLEASE HELP FAST!!! IT IS URGENT!!!
A local athletic facility offers a four-week training course, hoping to increase athletes' running speeds. Thirty-fve volunteer athletes are timed, in seconds, running a 50-yard dash before the training program begins and then again aiter the program is complete. The difference in running times (before training- after training) is calculated for each athlete. Are the conditions for inference met?
O No. The athletes who volunteered for this study were not randomly assigned a treatment order.
O No. The 10% condition is not met.
O No. The Normal/Large Sample condition is not met because the sample size is too small.
O Yes. All conditions are met.
Answer: I think that the answer is the fourth option. Yes. All conditions are met. I might be wrong but that's my best guess.
Step-by-step explanation: The athletes were assigned randomly, so it can't be option one. I'm not totally sure what a ten percent condition is, but I didn't see anything in the question about it. The Normal/Large Sample condition is met. And it looks like all of the conditions are met.
Let f : A → B be a function. Then, which of the following statements is/are equivalent to saying that f is onto
(a) 3x EA, Vy E B f(x) y
(b)y B, Vxe A f(x) y
(c) Vy e B, 3x A f(x) = y
(d) Væ E A, 3y B f(x) = y
(e) Vy e B, 3x E A, 3w E B f(x) = wɅy = w
Select all possible options that apply.
Let f : A → B be a function and the equivalent of stating that f is onto is statements (a), (c), and (e) and they are, (a) 3x EA, Vy E B f(x) y, (c) Vy e B, 3x A f(x) = y, and (e) Vy e B, 3x E A, 3w E B f(x) = wɅy = w.
(a) 3x EA, Vy E B f(x) y denotes that at least one element x in A must exist for f(x) to equal y for every element function y in B. The meaning of onto is as follows.
(c) According to the formula Vy e B, 3x A f(x) = y, there must be at least one element x in A such that f(x) = y for each element y in B. Simply put, this is the same as assertion (a).
(e) Vy e B, 3x E A, 3w E B f(x) = wy = w indicates that at least one element x in A exists for every element y in B such that f(x) = y. The further requirement that g (x)
It is not equivalent to claim that f is onto based on statements (b) and (d).
(b) y B, Vxe A f(x) y denotes that there is at least one element in A such that f(x) = y for every element y in B. This is different from stating that f is onto because it does not imply that every element in B must actually be mapped to by f.
(d) According to the formula Vae E A, 3y B f(x) = y, there must be at least one element y in B such that f(x) = y for every element x in A. According to this definition, a function is total if it is specified for each element in domain A. The fact that f is assigned to some elements in B does not imply that f is necessarily onto those elements.
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game show on a game show, you are given five digits to arrange in the proper order to form the price of a car. if you are correct, you win the car. what is the probability of winning, given the following conditions? (a) you guess the position of each digit. (b) you know the fir
Probability of winning, you guess the position of each digit is 0.00833 and Probability of winning when you know the first correct piece is 0.04167.
There are 5 pieces to form a car.
Total number of arrangement of these 5 pieces is 5! = 5×4×3×2×1 = 120 ways
Of these 120 arrangements only 1 arrangement will form a proper car
(a) Probability that each position's guess is correct is = 1/ 120
Thus, the probability of getting all the guesses correct is 0.00833 or 0.833%.
(b) It is given that we know the first correct piece.
That is we need to guess the other 4 from the 4 remaining pieces.
Total number of arrangement of these 5 pieces is 4!
= 4×3×2×1 = 24 ways
Of these 24 arrangements only 1 arrangement will form a correct arrangement with the known first piece.
Probability that each position's guess is correct = 1/24
Thus, the probability of getting all the guesses correct when we know the first correct piece is 0.04167 or 4.17%.
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5.) Which point satisfies the following system
of inequalities?
y=-x+2
-2x+y<-2
Á.(1,-1) B.(0,0) C. (2,2) D.(3,3)
The point satisfies the given system of inequalities is (1, -1)
What a system of inequalities?A system of inequalities is a set of two or more inequalities in one or more variables.
Given is a system of inequalities y < -x+2 and -2x+y < -2,
We know that, the solution set of a system of inequalities is given by studying the graph of the system, The solution set the region covered by lines of the both inequalities.
Plotting the graphs, of the system of inequalities, we get, the set of solution is the area covered with purple shade,
In that area only, (1, -1) lies.
Therefore, the point (1, -1) is the solution of the given system of inequalities
Hence, the point satisfies the given system of inequalities is (1, -1)
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A set of stairs is being made from concrete. A picture of the stairs is shown below.
2 feet
5 feet
$1 foot
8 feet
5 feet
What is the volume, in cubic feet, of the set of stairs?
The volume of the set of stairs is 65 cubic feet.
What is volume ?In mathematics, the volume of an object is the amount of three-dimensional space that it occupies. It is a measure of the total amount of space that a solid object or a container can hold.
The volume of an object is usually measured in cubic units such as cubic meters ([tex]m^3[/tex]), cubic centimeters ([tex]cm^3[/tex]), or cubic feet (ft³), depending on the units of measurement used for its dimensions. The formula for calculating the volume of an object varies depending on its shape.
For simple shapes like cubes, rectangular prisms, and cylinders, the formulas for calculating their volumes are:
Volume of a cube = length x width x height
Volume of a rectangular prism = length x width x height
Volume of a cylinder = π x radius² x height
Where π (pi) is a mathematical constant approximately equal to 3.14, and the dimensions are all measured in the same units.
For irregular shapes, the volume can be determined using mathematical equations, computer modeling, or physical measurements. In real-world applications, volume is used in a variety of fields such as engineering, architecture, physics, and chemistry to describe the size, capacity, or amount of a substance or material.
According to given information :To calculate the volume of the set of stairs, we need to find the volume of each rectangular block that makes up the stairs and then add them up. Let's first find the dimensions of each rectangular block:
The first block has dimensions 2 feet by 5 feet by 1 foot.
The second block has dimensions 8 feet by 5 feet by 1 foot.
To find the volume of each block, we multiply its length by its width by its height. So, the volume of the first block is:
Volume of first block = length x width x height
= 5 feet x 5 feet x 1 foot
= 25 cubic feet
The volume of the second block is:
Volume of second block = length x width x height
= 8 feet x 5 feet x 1 foot
= 40 cubic feet
Therefore, the total volume of the set of stairs is:
Total volume = volume of first block + volume of second block
= 25 cubic feet + 40 cubic feet
= 65 cubic feet
Therefore, the volume of the set of stairs is 65 cubic feet.
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Answer:
Step-by-step explanation:
Answer:
The volume of the set of stairs is 65 cubic feet.
What is volume ?
In mathematics, the volume of an object is the amount of three-dimensional space that it occupies. It is a measure of the total amount of space that a solid object or a container can hold.
The volume of an object is usually measured in cubic units such as cubic meters (), cubic centimeters (), or cubic feet (ft³), depending on the units of measurement used for its dimensions. The formula for calculating the volume of an object varies depending on its shape.
For simple shapes like cubes, rectangular prisms, and cylinders, the formulas for calculating their volumes are:
Volume of a cube = length x width x height
Volume of a rectangular prism = length x width x height
Volume of a cylinder = π x radius² x height
Where π (pi) is a mathematical constant approximately equal to 3.14, and the dimensions are all measured in the same units.
For irregular shapes, the volume can be determined using mathematical equations, computer modeling, or physical measurements. In real-world applications, volume is used in a variety of fields such as engineering, architecture, physics, and chemistry to describe the size, capacity, or amount of a substance or material.
According to given information :
To calculate the volume of the set of stairs, we need to find the volume of each rectangular block that makes up the stairs and then add them up. Let's first find the dimensions of each rectangular block:
The first block has dimensions 2 feet by 5 feet by 1 foot.
To find the volume of each block, we multiply its length by its width by its height. So, the volume of the first block is:
Volume of first block = length x width x height
= 5 feet x 5 feet x 1 foot
= 25 cubic feet
The volume of the second block is:
Volume of second block = length x width x height
= 8 feet x 5 feet x 1 foot
= 40 cubic feet
Therefore, the total volume of the set of stairs is:
Total volume = volume of first block + volume of second block
= 25 cubic feet + 40 cubic feet
= 65 cubic feet
Therefore, the volume of the set of stairs is 65 cubic feet.
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In plane P, lines m and n intersect at point A. If line k is perpendicular to line m and line n at point A, then line k is 1) contained in plane p 2) parallel to plane p 3) perpendicular to plane p 4) skew to plane p
Answer:
3)
Step-by-step explanation:
2 lines establish a plane (it is the same plane P as mentioned in the description).
a line being perpendicular (having a right angle = 90°) to 2 other lines means it is perpendicular to the plane these 2 lines are establishing.
as it is impossible for a line to be perpendicular to 2 other lines in the same plane, if these 2 other lines are intersecting. it would only be possible, if these 2 lines were parallel.