Answer:
(-5,4)
Step-by-step explanation:
If you look at A and then at AB midpoint you will see that A is 5 down from M and 4 right from M. So, if you minus 4 from -1 you get -5, and if you add 5 from -1 you get 4. Therefor the answer is (-5,4)
Advanced math : shes correct
is radical 43/2 rational or irrational
Answer:
rational becuse its a decimal and if u divided it u get 21.5 so u can round it to 22 so i think its rational hope this helps
Step-by-step explanation:
if there's 2,003 snakes currently and there's a constant rate of 100 per year what would be the equation for the population
Answer: The equation would be P(t) = 100t + 2003
Step-by-step explanation: The equation for the population of snakes over time would be P(t) = 100t + 2003, where P represents the population of snakes and t represents the time in years. The initial population of snakes is 2003, and the population increases by 100 snakes per year.
Therefore, after t years, the population of snakes would be 100t more than the initial population of 2003.
On simplifying (-3y2 − 8) − (-5y2 + 1), we get
Answer:
-3y2-8+5y2-1=
2y2-9
Step-by-step explanation:
Answer:
[tex]\huge{\boxed{\sf{ 2y^{2} - 9 }}}[/tex]
Step-by-step explanation:
[tex]( - 3y^{2} - 8 ) - ( - 5y^{2}+ 1 )[/tex]
While subtracting , sign of each term of the second expression changes.
⇒[tex]- 3y^{2} - 8 + 5y^{2} - 1[/tex]
Combine like terms : [tex]-3y^{2}[/tex] and [tex]5y^{2}[/tex]
Like terms are those which have the same base.
⇒[tex]2y^{2} - 8 - 1[/tex]
Remember : The negative integers are always added but posses the negative ( - ) sign.
⇒[tex]2y^{2} - 9[/tex]
Hope I helped!
Best regards !
-[tex]\sf{ TheAnimeGirl}[/tex]
A total of 612 tickets were sold for the school play. They were either adult tickets or student tickets. There were 62 more student tickets sold than adult tickets.how many adult tickets were sold?
Answer:
550
Step-by-step explanation:
It´s 550 because 612-62 is 550
C5 Let U and V be subspaces of R". (a) Prove that the intersection of U and V is a subspace of R". (b) Give an example to show that the union of two subspaces of R" does not have to be a subspace of R
(a) The intersection of two subspaces U and V in R^n is always a subspace of R^n.
(b) The union of two subspaces U and V in R^n may not be a subspace of R^n, and a counterexample can be provided.
(a) To prove that the intersection of two subspaces U and V in R^n is a subspace of R^n, we need to show that it satisfies the three properties of a subspace: closure under addition, closure under scalar multiplication, and contains the zero vector.
Let x and y be two vectors in the intersection of U and V. Since x and y are in both U and V, they belong to U + V. Therefore, x + y is in U + V, and by definition, it is also in the intersection of U and V. Similarly, for any scalar c, cx is in U and V, and thus in their intersection. Finally, the zero vector is in both U and V, and therefore it is in their intersection.
(b) To demonstrate that the union of two subspaces U and V in R^n may not be a subspace of R^n, consider the following example: Let U be the x-axis and V be the y-axis in R^2. Both U and V are subspaces of R^2. However, their union is the set of all points in R^2, which includes vectors that do not lie on either the x-axis or the y-axis. For example, the vector (1, 1) is not in either U or V, but it is in their union. Since the union contains vectors that are not closed under addition or scalar multiplication, it fails to be a subspace of R^2.
In conclusion, the intersection of two subspaces U and V in R^n is always a subspace of R^n, while the union of two subspaces U and V in R^n may not be a subspace of R^n, as shown by the counterexample of the x-axis and y-axis in R^2.
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the sum of two numbers is 75. The second number is three less than twice the first. what is the larger number?
Answer:
49
Step-by-step explanation:
If the smaller number is
x
, then the larger number is
2
x
−
3
Explanation:
(
x
)
+
(
2
x
−
3
)
=
75
3
x
−
3
=
75
3
x
=
78
x
=
26
The numbers are 26 and 49.
The value of the larger number will be 26.
What is an expression?
Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
The sum of two numbers is 75.
And, The second number is three less than twice the first.
Now,
Let the larger number = x
So, The second number = 2x - 3
Since, The sum of two numbers is 75.
Hence, We can formulate;
⇒ x + 2x - 3 = 75
⇒ 3x - 3 = 75
⇒ 3x = 78
⇒ x = 26
Thus, The value of the larger number will be 26.
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Please help me do homework! I don't understand this. I chose C but I'm not sure that is correct.
Answer:
D
Step-by-step explanation:
Please see the attached picture for full solution.
Q. 2) (10 p.) Answer each of the following: (a) A matrix polynom is given by P(x) = x². By considering the 2 by 2 matrix as A = - 1, 0 (b) For a given matrix A = [2], calculate A-, where k is any integer. -2. find P(A).
(a) The matrix polynomial P(x) = x² can be evaluated by substituting the given 2 by 2 matrix A = [-1, 0; -2, 1] into P(x).
(b) To calculate A^-, where k is any integer, we need to find the inverse of the matrix A. Additionally, P(A) can be obtained by substituting matrix A into the matrix polynomial P(x) = x².
(a) To evaluate the matrix polynomial P(x) = x² using the given 2 by 2 matrix A = [-1, 0; -2, 1], we substitute A into P(x):
P(A) = A² = [-1, 0; -2, 1]² = [(-1)(-1) + (0)(-2), (-1)(0) + (0)(1); (-2)(-1) + (1)(-2), (-2)(0) + (1)(1)] = [1, 0; 0, -3].
(b) To calculate A^-, where k is any integer, we need to find the inverse of the matrix A = [2, -2; -2, 4]. The inverse of a 2 by 2 matrix can be found using the formula:
A^-1 = (1/det(A)) * adj(A),
where det(A) is the determinant of A and adj(A) is the adjugate of A. Calculating the determinant and adjugate of A, we have:
det(A) = (2)(4) - (-2)(-2) = 12 - 4 = 8,
adj(A) = [4, 2; 2, 2].
Therefore, A^-1 = (1/8) * [4, 2; 2, 2] = [1/2, 1/4; 1/4, 1/4].
To find P(A), we substitute A into the matrix polynomial P(x) = x²:
P(A) = A² = [2, -2; -2, 4]² = [2, -2; -2, 4] * [2, -2; -2, 4] = [4 - 4, -4 + 8; -4 + 4, 4 + 16] = [0, 4; 0, 20].
Therefore, A^-1 = [1/2, 1/4; 1/4, 1/4] and P(A) = [0, 4; 0, 20].
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‼️WILL LIST BRAINLIEST ‼️
Answer:
5/6
Step-by-step explanation:
-3/4 * - 10/9
A negative times a negative is a positive
3/4 * 10/9
Rewriting
3/9 * 10/4
1/3 * 5/2
Multiplying across
5/6
How many multiples of 2 are there between 99 and 999?
Answer:
Incorrect
Step-by-step explanation:
deleted
Answer:
Step-by-step explanation:
Ok! figure out all even integers between 99 and 999. All even integers are divisible by 2... 999-99=900/2=450
Well, there are 450 even integers between 99 and 999, so all even are divisible by 2, and the answer is 450.
1. While raking leaves, a woman applies an input force of 32 N to a rake. The rake has an output force of 16 N. What is the mechanical advantage of the rake?
2. A carpenter turns a handle to adjust a saw blade. The input work is 55 J and the output work is 51 J. What is the efficiency of the blade adjuster?
1. the mechanical advantage of the rake is 0.5. 2. the efficiency of the blade adjuster is approximately 92.73%.
1. The mechanical advantage of a simple machine is determined by the ratio of the output force to the input force. In this case, the woman applies an input force of 32 N to the rake, and the rake exerts an output force of 16 N.
The mechanical advantage (MA) can be calculated as MA = Output Force / Input Force.
Using the given values, we can substitute them into the formula:
MA = 16 N / 32 N = 0.5.
Therefore, the mechanical advantage of the rake is 0.5.
Explanation:
The mechanical advantage represents the amplification of force achieved by using a machine. In this case, the mechanical advantage of 0.5 means that the rake reduces the input force by half to produce the output force. It indicates that for every 1 unit of input force applied by the woman, the rake generates 0.5 units of output force.
2. Efficiency is a measure of how effectively a machine converts input work to output work. It is calculated as the ratio of output work to input work, expressed as a percentage.
The efficiency (η) can be calculated using the formula: Efficiency = (Output Work / Input Work) * 100%.
Given that the input work is 55 J and the output work is 51 J, we can substitute these values into the formula:
Efficiency = (51 J / 55 J) * 100% ≈ 92.73%.
Therefore, the efficiency of the blade adjuster is approximately 92.73%.
Explanation:
Efficiency quantifies the effectiveness of a machine in converting the input energy into useful output energy. In this case, the blade adjuster converts 51 J of input work into 51 J of output work. The efficiency of approximately 92.73% indicates that the blade adjuster is relatively efficient, as a high percentage of the input work is effectively converted into useful output work.
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You plan to purchase a house for 12.5 million baht, using a 30-year mortgage. You will make a down payment of 15 percent of the purchase price and you will not pay off the mortgage early. Ignore taxes in your analysis. Your bank offers you the following two options for payment.
Option 1: Mortgage rate of 7.25 percent and zero points.
Option 2: Mortgage rate of 6.75 percent and 4 points.
You would choose option ------- (1 or 2) because the Net Present Value of choosing option 2 is------ . (The answer can be negative. Do not round intermediate calculations and round your answer to two decimal places, e.g., 32.16.)
Option 2 has a lower NPV and thus should be chosen as it results in less total payment and better savings. Hence, you would choose option 2 as the Net Present Value of choosing option 2 is -9,903,615.48.
Given:
Purchase price = 12.5 million baht
Down payment = 15%30-year mortgage
We have to calculate the option which is best for us.
Option 1: Mortgage rate = 7.25%
Option 2:Mortgage rate = 6.75%
(a) Monthly Payment of Option 1:
Loan Amount = 12.5 * (100-15)%
= 10,625,000 baht
n = 30 * 12
= 360
i = 7.25%/12
= 0.006042857
Yearly Interest Paid = i * 10,625,000
= 64,515.48 baht
Monthly Interest Paid = 64,515.48 / 12
= 5,376.29 baht
EMI =[tex][P x R x (1+R)^n] / [(1+R)^n-1][/tex]
where P = Loan Amount, R= Interest Rate per month, n= total number of payments.
EMI = [tex][10,625,000 x 0.006042857 x (1+0.006042857)^360] / [(1+0.006042857)^360-1][/tex]
EMI = 69,677.31 baht
(b) Monthly Payment of Option 2:
Loan Amount = 12.5 * (100-15)%
= 10,625,000 baht
n = 30 * 12 = 360
i = 6.75%/12 = 0.005625
Yearly Interest Paid = i * 10,625,000
= 59,765.63 baht
Monthly Interest Paid = 59,765.63 / 12
= 4,980.47 baht
Point cost = 4% of Loan Amount
= 10,625,000 x 4/100
= 425,000 baht
Loan Amount after Deducting Points = 10,625,000 - 425,000
= 10,200,000 baht
EMI = [tex][P x R x (1+R)^n] / [(1+R)^n-1][/tex]
where P = Loan Amount, R= Interest Rate per month, n= total number of payments.
EMI =[tex][10,200,000 x 0.005625 x (1+0.005625)^360] / [(1+0.005625)^360-1][/tex]
EMI = 66,128.92 baht
(c) We have to calculate the NPV of the payments to decide which option is better.
We use the formula to calculate NPV:-
NPV = - [tex][B + (PMT / i) * (1 - (1 + i)^-n)] / ((1 + i)^t)[/tex]
Where B = amount borrowed, PMT = monthly payment, i = interest rate, n = total number of payments, t = year.
NPV =[tex]- [10625000 + (69677.31 / 0.006042857) * (1 - (1 + 0.006042857)^-360)] / ((1 + 0.006042857)^30)[/tex]
= -9,892,571.85 baht
NPV = [tex]- [10200000 + (66128.92 / 0.005625) * (1 - (1 + 0.005625)^-360)] / ((1 + 0.005625)^30)[/tex]
= -9,903,615.48 baht
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inequalities with tables
Inequalities can be represented and analyzed using tables. A table is a useful tool for organizing and comparing different values, making it easier to understand and solve inequalities.
When working with inequalities, a table can display the variable values and their corresponding inequality outcomes, helping to identify the range of solutions.
To create a table for inequalities, start by selecting a range of values for the variable(s) involved in the inequality. Substitute these values into the inequality expression and evaluate whether the inequality holds true or not. Record the results in the table, indicating whether the values satisfy the given inequality.
The table allows for easy comparison of the values and their corresponding inequality outcomes. It helps identify the regions or intervals of the variable(s) that satisfy the inequality. By observing patterns in the table, such as increasing or decreasing values that meet the inequality criteria, one can gain insights into the solution set and the behavior of the inequality.
Tables are particularly useful when dealing with linear inequalities or systems of inequalities. They provide a visual representation of the inequality relationships, aiding in understanding and solving the inequality problem at hand.
In conclusion, tables serve as a valuable tool for working with inequalities. They help organize and compare values, allowing for a clearer understanding of the range of solutions and the behavior of the inequality. By utilizing tables, individuals can effectively analyze and solve inequalities in a systematic manner.
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Pls help pls pls pls.In a class of 50 students, 3/5 of the students study Maths, 3/10 of the students study English and rest study Geography. Find out :
a. How many students study Maths?
b. How many students study English?
c. The fraction of Geography to the whole class.
Answer:
Step-by-step explanation:
No of students study math = 3/5 of 50 = 30
No of students study English = 3/10 of 50 = 15
Total = 30 + 15 = 45
Remaining students = 5
No of students study geography = 5
Fraction of geography to whole class = 5/45 = 9
please help im using all my points!!
Hurzdan, Inc., is considering the purchase of a $410,000 computer with an economic life of five years. The computer will be fully depreciated over five years using the straight- line method. The market value of the computer will be $74,000 in five years. The computer will replace five office employees whose combined annual salaries are $119,000. The machine will also immediately lower the firm's required net working capital by $94,000. This amount of net working capital will need to be replaced once the machine is sold. The corporate tax rate is 24 percent. The appropriate discount rate is 14 percent. Calculate the NPV of this project. (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) NPV $ 56,105.26
The net present value of the project is $56,105.26.
The project being evaluated in this case is the purchase of a computer that has an economic life of 5 years. The computer has a purchase cost of $410,000 and a salvage value of $74,000.
It is proposed that this purchase will eliminate the need for five employees, which in turn will result in a reduction of salaries paid to employees worth $119,000.
The working capital that would be released as a result of this purchase is $94,000. The corporate tax rate that will be used for the evaluation of this project is 24%.
The cost of capital of the company is 14%.The cash outflow at the beginning of the project is equal to the purchase price of the computer, which is $410,000.
The reduction in salary expense is an annual cash inflow that will last for the duration of the project.
This inflow is equal to $119,000 per year. Since the computer purchase will result in a reduction in working capital, it will result in an immediate cash inflow equal to $94,000.
The annual depreciation expense is equal to the purchase price of the computer, divided by the economic life of the computer.
Therefore, the annual depreciation expense is $82,000 per year. At the end of five years, the computer will have a salvage value of $74,000. This will result in a cash inflow at the end of the project, which is equal to the salvage value of the computer.
The net cash inflows from the project will be calculated by subtracting the cash outflow at the beginning of the project from the present value of all cash inflows. Since the discount rate is 14%, we will use this rate to discount the cash inflows.
The present value of each cash inflow is calculated as the cash inflow, divided by (1+discount rate)^number of years in the future.
For example, the present value of the $119,000 annual salary savings is equal to $119,000/(1+14%)^1 = $104,385.96.
The net present value of the project is the sum of the present values of all cash inflows, minus the cash outflow at the beginning of the project.
In this case, the net present value of the project is $56,105.26.
This is a positive net present value, which means that the project is expected to generate a return greater than the cost of capital.
Therefore, the company should proceed with the purchase of the computer. The NPV method is used to evaluate investment projects. It involves the calculation of the present value of all cash inflows from a project, minus the cash outflows.
If the net present value is positive, then the project should be undertaken. If the net present value is negative, then the project should be rejected.
The decision to accept or reject a project depends on the net present value, which is a measure of the profitability of the project.
The net present value of the project is $56,105.26. This is a positive net present value, which means that the project is expected to generate a return greater than the cost of capital. Therefore, the company should proceed with the purchase of the computer.
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How do the side lengths of polygon ABCD compare with those of the translated images? What can you say about preservation of the measurements of side lengths when a figure is translated?
Answer: The side links of polygons ABCD are equal to corresponding side lengths in the translated images. this means that lengths of sides of the polygon are preserved as the figure is translated in any direction.
Instructions = a. Perform a horizontal percent of base year analysis of WestJet's income statement and balance sheet, assuming 2013 is the base year. b. Using the analyses you prepared in part (a), id
The task requires performing a horizontal percent of base year analysis on WestJet's income statement and balance sheet, considering 2013 as the base year. This analysis will help identify the trends and changes in financial figures over the specified period.
To conduct a horizontal percent of base year analysis, we compare the financial figures of subsequent years to the base year and calculate the percentage change. Here's how the analysis can be performed:
a. Income Statement Analysis:
Calculate the percentage change in each line item of the income statement by comparing it to the corresponding figure in the base year (2013).
For example, if the revenue in 2013 is $100 and it increases to $120 in 2014, the percentage change would be [(120 - 100) / 100] * 100 = 20%.
Perform this calculation for each line item in the income statement to determine the percentage change for each year.
b. Balance Sheet Analysis:
Similar to the income statement analysis, calculate the percentage change in each line item of the balance sheet by comparing it to the corresponding figure in the base year (2013).
For example, if the total assets in 2013 are $500 and they increase to $600 in 2014, the percentage change would be [(600 - 500) / 500] * 100 = 20%.
Perform this calculation for each line item in the balance sheet to determine the percentage change for each year.
Using the analyses prepared in part (a), we can identify the trends and changes in WestJet's income statement and balance sheet over the specified period. By comparing the percentage changes, we can determine which line items have shown significant growth or decline compared to the base year. This analysis helps in assessing the company's financial performance, identifying areas of strength or weakness, and making informed decisions based on the observed trends.
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-3x -4.6 = 5.9
x = ?
Answer:
x=-3.5
Step-by-step explanation:
-3x=10.5 divide both sides by -3
Answer:
x = -3.5
Step-by-step explanation:
-3x - 4.6 = 5.9 ( add 4.6 on both sides)
-3x = 10.5 (divide by -3 on both sides)
x = -3.5
. You deposit $200 each month into an account earning 3% interest compounded monthly for 30 years. How much total interest will you earn in 30 years?
The total interest you will earn in 30 years is approximately $241.61.
To calculate the total interest earned in 30 years, we need to use the formula for compound interest:
A = P(1 + r/n)^(nt) - P
Where:
A = the future value of the investment
P = the principal amount (initial deposit)
r = the annual interest rate (in decimal form)
n = the number of times the interest is compounded per year
t = the number of years
In this case, the principal amount is $200, the annual interest rate is 3% (or 0.03 as a decimal), the interest is compounded monthly (so n = 12), and the time period is 30 years (so t = 30).
Plugging in these values into the formula:
A = 200(1 + 0.03/12)^(12*30) - 200
Now we can simplify and calculate:
A = 200(1.0025)^(360) - 200
A = 200(2.208040033) - 200
A ≈ 441.6080066 - 200
A ≈ 241.6080066
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can someone please tell me the answer :(
Answer:
A
Step-by-step explanation:
Answer:
A.
Step-by-step explanation:
-18+-12+-6=-36
estimate by first rounding each number 5.6 + 3.9
Answer:
6 + 4 + 10
Step-by-step explanation:
Answer: 10
Step-by-step explanation: 6+4=10
The product of two consecutive integers is 342. Which quadratic equation can be used to find x, the greater number?
x2 + 1 = 342
x2 − 1 = 342
x2 − x + 342 = 0
x2 − x − 342 = 0
Answer:
x² + x = 342
Step-by-step explanation:
Let x be the 1st integer
x + 1 be the 2nd integer
x(x+1) = 342
Simplify
x² + x = 342
or in standard form:
x² + x - 342 = 0
Answer:
D. x2 − x − 342 = 0
Step-by-step explanation:
the value of greater integers can be 19 or -18.
(Edge 2023)
There are 125 passengers in the first carriage, 150 passengers in the second carriage and 175 passengers in the third carriage, and so on in an arithmetic sequence. What’s the total number of passengers in the first 7 carriages
Answer:
1400
Step-by-step explanation
First I made a list of all of the first 7 carriages, so that's 125, 150, 175, 200, 225, 250, and 275. After adding those you get 1400.
During the current year, merchandise is sold for $114,000 cash and $548,100 on account. The cost of the goods sold is $423,700. What is the amount of the gross profit? $fill in the blank 1
During the current year, merchandise was sold for $662,100. Of this amount, $114,000 was cash sales and $548,100 was on account. The cost of goods sold was $423,700. Therefore, the gross profit was $238,400.
The gross profit is calculated by subtracting the cost of goods sold from the total sales. The cost of goods sold is the direct cost of producing the goods that were sold. It includes the cost of materials, labor, and overhead.
The gross profit is an important measure of a company's profitability. It shows how much money the company makes from its core business activities, before deducting other expenses.
In this case, the company's gross profit margin is 35.8%. This means that for every $100 of sales, the company makes $35.80 in gross profit. A high gross profit margin is generally considered to be a sign of a healthy business.
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evaluate: (8⁴)(6³)(16²) ÷32
Answer:
7,077,888
Step-by-step explanation:
8^4= 8×8×8×8= 4096
6^3= 6×6×6= 216
16^= 16×16= 256
4096×216×256=226492416
226492416÷32
7,077,888
write the following in the from of equation...
"one third of a number plus 5 is 8"
What does star, circle, square, and triangle equal? Please help
Answer:
circle=6, triangle=2, star=8, square=4
Step-by-step explanation:
6+2=8
6-2=4
8+4=12
8-4=4
4+4=8
I need 4 more tryna go to sleep rn :/
Answer:
Hello!!! Princess Sakura here ^^
Step-by-step explanation:
It is [tex]y=2x+2[/tex] because you should use [tex]m=\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex] then just plug it in using
(1, 4) and (-2, -2).
[tex]\frac{4--2}{1--2} =\frac{6}{3} =2[/tex]
That eliminates everything except the second one and the third.
So now we would find the b in the equation [tex]y=mx+b[/tex]
[tex]y=mx+b\\4=2(1)+b\\4=2+b\\2=b\\b=2[/tex]
and that's all
Zachary purchased a computer for $1600 on a payment plan. Two months after he purchased the computer, his balance was $1310.Three months after he purchased the computer, his balance was $1165. What is an equation that models the balance y after x months?
Answer: Three months after he purchased the computer, his balance was $1,350.
Step-by-step explanation:
The equation that models the balance y after x months will be: y = -145x + 1600.
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
Given that Zachary purchased a computer for $1600 on a payment plan.
Then two months after he purchased the computer, his balance was $1310. Three months after his balance was $1165.
Equation;
Month Balance
0 1600
2 1310
3 1165
Slopes:
(1600 - 1310) / 2 = 290/ 2 = 145
Hence,
y = -145x + 1600
Therefore the equation is; y = -145x + 1600.
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