The three segments of Triangle is (1) 17 cm, 7 cm, 8 cm
Here, 17 > 7 + 8 or 17 > 15
In any triangle, the sum of the lengths of any two sides of a triangle is always greater than the third side.
Therefore, the triangle is not possible.
In Euclidean geometry, any three points that are not collinear produce a singular triangle and a singular plane (i.e. a two-dimensional Euclidean space). In other words, every triangle is contained in a plane, and there is only one plane that contains that triangle. All triangles are enclosed in a single plane if all of the geometry is the Euclidean plane, however, this is no longer true in higher-dimensional Euclidean spaces.
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How long would it take R20000 invested today at a simple interest rate of 9% p.a. to reach an investment goal of R30000.
A Approximately 5.6 years
B Approximately 6.1 years
C Approximately 4.7 years
D Approximately 5.1 years
\(~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$ 30000\\ P=\textit{original amount deposited}\dotfill & \$20000\\ r=rate\to 9\%\to \frac{9}{100}\dotfill &0.09\\ t=years \end{cases} \\\\\\ 30000 = 20000[1+(0.09)(t)] \implies \cfrac{30000}{20000}=1+0.09t\implies \cfrac{3}{2}=1+0.09t \\\\\\ \cfrac{3}{2}-1=0.09t\implies \cfrac{1}{2}=0.09t\implies \cfrac{1}{2(0.09)}=t\implies 5.6\approx t\)
Define T in L(C2) by T(w,z)=(−z,w).
Find the generalized eigenspaces corresponding to the distinct eigenvalues of T.
I believe that once I have the eigenvalues, I know how to find the eigenspaces, but I'm not sure I'm looking for the eigenvalues correctly.
I know that if the eigenvalues are a,b corresponding to (w,0) and (0,z) respectively, then (ab)=1, since a(w)=−z implies ab(−z)=−z. But I think my whole approach to this is wrong and that I'm missing some very elementary idea.
T is the linear transformation described by T(w,z) in L(C2). This indicates that the linear transformation T changes two-dimensional vectors of the type (w,z) to (-z,w).
To get T's eigenvalues, solve the equation T(v) = v, where is the eigenvalue and v is the eigenvector. By solving this equation, we discover that T's eigenvalues are λ1 = -1 and λ2 = 1.
For each eigenvalue, the associated eigenspaces are the subspaces of C2 that are spanned by the eigenvectors of T. The eigenspace is the subspace covered by the eigenvector λ1= -1 is (1,0). The eigenspace is the subspace spanned by the eigenvector λ2= 1 is (0,1).
As a result, the subspaces covered by (1,0) and (1,1) are the generalized eigenspaces corresponding to the different eigenvalues of T. (0,1).
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Kate is a buyer for a men’s fashion retail store. She will order a new cloth overcoat from Paris for the fall fashion season. Based on her experience, she expects to sell at least 100 coats, and at most 400, but she feels that any number of sales in between is equally likely. Therefore, she estimates that her sales are uniformly distributed between 100 and 400. The total cost to the store is $100 per coat, and the retail price is set at $180. Any coats left over at the end of season would be sold at $60 each.
part 1: a) How many coats should Kate buy if she wants to maximize profits?
part 2: b) Assume Kate buys the number of coats suggested in part a), what is the probability that the coats sell out? What is the probability that they do not sell out?
Part 1: Kate should buy 100 coats to maximize profits.Part 2: The probability that the coats sell out is 0.25 (25%), and the probability that they do not sell out is 0.75 (75%).
To maximize profits, Kate should consider the scenario where she sells all the coats without any left over at the end of the season.
Since the sales are uniformly distributed between 100 and 400, buying 100 coats ensures that she meets the minimum expected sales of 100. Purchasing more than 100 coats would increase costs without a guarantee of higher sales, potentially leading to excess inventory and lower profits.
Given that the sales are uniformly distributed between 100 and 400 coats, Kate's purchase of 100 coats covers the minimum expected sales.
The probability of selling out can be calculated by finding the proportion of the range covered by the desired sales (100 out of 300). Therefore, the probability of selling out is 100/300 = 0.25 or 25%. The probability of not selling out is the complement, which is 1 - 0.25 = 0.75 or 75%.
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Use the Integral Test to determine whether the series is convergent or divergent.
[infinity] n
n2 + 6
n = 1
Evaluate the following integral.
[infinity] 1
x
x2 + 6
dx
The series ∑ₙ=₁ to ∞ (n/n² + 6) is divergent.
To determine whether the series ∑ₙ=₁ to ∞ (n/n² + 6) is convergent or divergent, we can use the Integral Test.
The Integral Test states that if f(x) is a continuous, positive, and decreasing function on the interval [1, ∞) and f(n) = aₙ for all positive integers n, then the series ∑ₙ=₁ to ∞ aₙ and the integral ∫₁ to ∞ f(x) dx either both converge or both diverge.
In this case, let's consider the function f(x) = x/(x² + 6). We can check if it meets the conditions of the Integral Test.
Positivity: The function f(x) = x/(x² + 6) is positive for all x ≥ 1.
Continuity: The function f(x) = x/(x² + 6) is a rational function and is continuous for all x ≥ 1.
Decreasing: To check if the function is decreasing, we can take the derivative and analyze its sign:
f'(x) = (x² + 6 - x(2x))/(x² + 6)² = (6 - x²)/(x² + 6)²
The derivative is negative for all x ≥ 1, which means that f(x) is a decreasing function on the interval [1, ∞).
Since the function f(x) = x/(x² + 6) satisfies the conditions of the Integral Test, we can evaluate the integral to determine if it converges or diverges:
∫₁ to ∞ x/(x² + 6) dx
To evaluate this integral, we can perform a substitution:
Let u = x² + 6, then du = 2x dx
Substituting these values, we have:
(1/2) ∫₁ to ∞ du/u
Taking the integral:
(1/2) ln|u| evaluated from 1 to ∞
= (1/2) ln|∞| - (1/2) ln|1|
= (1/2) (∞) - (1/2) (0)
= ∞
The integral ∫₁ to ∞ x/(x² + 6) dx diverges since it evaluates to ∞.
According to the Integral Test, since the integral diverges, the series ∑ₙ=₁ to ∞ (n/n² + 6) also diverges.
Therefore, the series ∑ₙ=₁ to ∞ (n/n² + 6) is divergent.
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Incomplete question:
Use the Integral Test to determine whether the series is convergent or divergent.
∑ₙ=₁ to ∞ = n/n² + 6
Evaluate the following integral ∫₁ to ∞ x/x²+6 . dx
Someone please give me correct answer
Answer:
(0,6)
Step-by-step explanation:
Pre-SolvingWe are given a line, and we want to find the y-intercept of this line.
The y-intercept is the point where the line intersects the y-axis. The value of x at the y-axis is 0.
SolvingSince the value of x at the y-axis is 0, we can get rid of the options (6,0) and (2,0).
The y-axis is the vertical line; at the top of the graph, the line labeled 'y' is the y-axis.
If we look at the y-axis, we can see that the point (0,6) is shared between both the y-axis and the line.
Therefore, the y intercept of this point is (0,6).
-7
-4
-1
-2
y
7
14
35
56
slope:
Answer:
write the question correctly so I can help you
Step-by-step explanation:
Show that the equation x ^ 3 + 6x - 10 = 0 has a solution between x = 1 and x = 2
2. Order these numbers from least to greatest: 5,0,1,-15-3,-1
Answer:
Step-by-step explanation:
- 15, -3, -1, 0 , 1, 5
Answer:
-15,-3,-1,0,1,5
Step-by-step explanation:
Using the following information identify the pattern with the domain values and the
range write a function for the data.
{(1,9), (2,18),(3,27), (4,36)}
9514 1404 393
Answer:
y = 9x
Step-by-step explanation:
We notice that each y-value is a multiple of 9, and the multiple is x.
y = 9x
WILL GIVE BRAINLIST TO FIRST ANSWERER!!!!
Write the equation of each line in slope-intercept form
Answer:
y=-2/3 x +2
y=-x+2
Step-by-step explanation:
slope intercept form : y=mx+b
first find the slope :
two points from the graph : (0,2) (3,0)
y=b=2 when x=0 y = the constant b
m=(y2-y1)/(x2-x1)
m=0-2/3-0
m=-2/3
y=-2/3 x +2question 26: two points from graph: (0,2),(1,1)
b=2 ( when x=0, y=b=2)
m=1-2/1-0
m=-1
y= - x+2DO NOT ANSWER JUST TO GET POINTS, YOU WILL GET REPORTED
You decide to rent a cottage you own. You spend $400 getting the cottage ready to put on the rental market. Your costs for utilities run approximately $15 per day. You think you can charge $115 per night in rent. Part A: Write an equation that represents your costs, C, in dollars for x number of nights. Part B: Write and equation that represents the Revenue (income), R, in dollars for x number of nights. Part C: What is the solution to this system of equations? Interpret the meaning of the solution.
Answer:
Part AThe costs consist of one off payment to get the cottage ready and daily utility charges:
C = 400 + 15xPart BThe revenue is the sum of daily rental:
R = 115xPart CTo solve it as a system we make C= R or:
400 + 15x = 115xSolving we get:
400 = 115x - 15x400 = 100xx = 400/100x = 4It gives us:
C = 400 + 15*4 = 460R = 115*4 = 460The meaning of the solution is the number of nights we can pay off the costs and after 4 days we start to get profit.
Answer:
what is this
Step-by-step explanation:
need help ASAP!!!! please!
Answer:
A
Step-by-step explanation:
Explanation attached.
Economic growth typically results in rising standards of living and prosperity. However, it also invites negative externalities such as environmental degradation due to over- exploiting of natural resources. As such, the world is confronted with the dilemma of growth versus environmental sustainability. Developing a model explaining the disparity of economic development concentrating on drivers such as tourism sustainability, technological innovation and the quality of leadership would be important not only to facilitate future economic growth in developing countries, but also to the environmental and sociocultural sustainability which ultimately lead to global sustainable development. The present research objective is to develop and test framework of sustainable development by considering the elements of tourism, technological innovation, and national leadership. This further would facilitate growth, environmental and socio-cultural sustainability. Understanding the integration of these dimensions would enable the building of a Sustainable Development Framework (SDF) that would provide better insight in promoting the SDGS agenda. Ultimately, growth and environmental sustainability can be achieved which will benefit the society, the economy, and nations and of course for future sustainable policy recommendation. Based on the issue above, you are required to propose relevant econometric approaches with the aims to test sustainable development by considering the elements of tourism, technological innovation, and national leadership. Question 1 [10 marks] [CLO2] Based on the scenario above, a. Propose an appropriate model specification based on the scenario above. [4 marks] used in the [4 marks] [2 marks] b. Justify the selection of the dependent and independent variables model. c. Justify the selection of the sample period.
According to the given information, the sample period should be from 2010-2020.
a) Model specification
The model specification based on the scenario above is as follows:
SDF= f(T, TI, NL)
Where: SDF= Sustainable Development Framework
T= Tourism
TI= Technological innovation
NL= National leadership
b) Justification for the selection of the dependent and independent variables model:
Dependent variable: The dependent variable in this model is Sustainable Development Framework (SDF). The model seeks to develop a framework for sustainable development that would facilitate growth, environmental and socio-cultural sustainability.
Independent variables:
The independent variables are tourism sustainability, technological innovation, and quality of leadership. These variables drive economic development. The inclusion of tourism sustainability reflects its importance in the global economy and its potential to drive growth.
The inclusion of technological innovation reflects its potential to enhance productivity and create new industries. The inclusion of national leadership reflects the role of governance in promoting sustainable development and managing negative externalities.
c) Justification for the selection of the sample period:
The sample period should be selected based on the availability of data for the variables of interest. Ideally, the period should be long enough to capture trends and patterns in the data. However, it should not be too long that the data becomes obsolete or no longer relevant.
Additionally, the period should also reflect the context and relevance of the research question. Therefore, the sample period for this study should cover the last decade to capture the trends and patterns in the data and reflect the relevance of the research question.
The sample period should be from 2010-2020.
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what is the square route of 34
Answer:
\( \sqrt{34} = \sqrt{17 \times 2} =5.831\)
5.831 is the right answer.Answer:
5.831
Step-by-step explanation:
hope it hlp u
plz follow me
how are these 2 numbers different (image above)
Answer:
one of them has a dividend the other doesnt
Step-by-step explanation:
A pencil is 7.6 cm long. How far will 120 pencils reach if laid end to end? Give your answer in meters
Answer: 9.12 meters
Step-by-step explanation:
1) First calculate how much centimeters in 120 pencils so multiply 7.6 * 120 pencils = 912 cm.
2) Then look up how much meters in 912 cm and you get your answer 9.12 meters.
y = -4x + 3
8x + 2y = 8
Solve by using elimination.
Answer:
The equations are not compatible
Step-by-step explanation:
y = -4x + 3
8x + 2y = 8
substitute for y:
8x + 2(-4x + 3) = 8
simplify:
8x - 8x + 6 = 8
6 ≠ 8
In the coordinate plane, which of the following functions dilates by a factor of 3
about the point (9, 6)?
A. (, ) = (3 + 9, 3 +6)
B. (, ) = (3( + 9), 3( + 6))
C. (, ) = (9+ 3( − 9), 6 + 3( −6))
D. (, ) = (9+ 3(9− ), 6+ 3(6 − ))
Find the distance between the two points in simplest radical form.
(-5,8) and (-3, 1)
Given:
The two points are (-5,8) and (-3,1).
To find:
The distance between the given two points in simplest radical form.
Solution:
Distance formula: The distance between two points is
\(d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\)
Using distance formula, the distance between (-5,8) and (-3,1) is
\(d=\sqrt{(-3-(-5))^2+(1-8)^2}\)
\(d=\sqrt{(-3+5)^2+(-7)^2}\)
\(d=\sqrt{(2)^2+(-7)^2}\)
\(d=\sqrt{4+49}\)
\(d=\sqrt{53}\)
Therefore, the distance between two points (-5,8) and (-3,1) is \(\sqrt{53}\) units.
The Sony Corp computed their monthly expense equation as E=11q+76,000. Its products will be sold to retailers at a wholesale price of R=$14q. How many items must be sold to reach the breakeven point? (hint: E=R)
Using the concept of break even point, it is found that 25334 items must be sold to reach the break even point.
-----------------------
The expense equation is:
\(E(q) = 11q + 76000\)
The revenue equation is:
\(R(q) = 14q\)
The break even point is the value of q for which expense and revenue are equal, thus:
\(R(q) = E(q)\)
\(14q = 11q + 76000\)
\(3q = 76000\)
\(q = \frac{76000}{3}\)
\(q = 25333.33\)
Rounding up, 25334 items must be sold to reach the break even point.
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how to graph absolute value equations on a number line
Identify the equation: Write down the given equation in the form |x - a| = b, where 'a' represents the number being subtracted or added and 'b' represents the absolute value.
Graphing absolute value equations on a number line is a process that involves several steps. First, you need to identify the equation and rewrite it in the form |x - a| = b, where 'a' represents the number being subtracted or added and 'b' represents the absolute value.
This form helps determine the critical points of the graph. Next, you set the expression inside the absolute value bars equal to zero and solve for 'x' to find the critical points. These points indicate where the graph may change direction. Once the critical points are determined, you plot them on the number line, using an open circle for critical points and a closed circle for any additional points obtained by adding or subtracting the absolute value.
After plotting the points, you can draw the graph by connecting them with a solid line for the portion of the graph that is positive and a dashed line for the portion that is negative. This representation helps visualize the behavior of the absolute value equation on the number line.
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I DON'T KNOW WHAT THE RIGHT ANSWERS ARE, HELP MEEEE PLEASE!
Answer:
lines 2, 4, 5
Step-by-step explanation:
Change the mixed numeral into a fraction. You get the last line.
Add the terms with fractions. You get the 4th line.
Multiply both sides by 6. You get 37x = 6 * 37. This is not a line in the choices.
Divide both sides by 37. You get x = 6.
Answer: lines 2, 4, 5
Use the midpoint rule with the given value of n to approximate the integral. round the answer to four decimal places. /2 2 cos4(x) dx, n = 4 0 m4 =
The approximate value of the integral /2 2 cos⁴(x) dx, using the midpoint rule with n = 4, is approximately 0.2334.
To approximate the integral /2 2 cos⁴(x) dx using the midpoint rule, we need to divide the interval [0, π/2] into equal subintervals.
Given that n = 4, we will have 4 subintervals of equal width. To find the width, we can divide the length of the interval by the number of subintervals:
Width = (π/2 - 0) / 4 = π/8
Next, we need to find the midpoint of each subinterval. We can do this by taking the average of the left endpoint and the right endpoint of each subinterval.
For the first subinterval, the left endpoint is 0 and the right endpoint is π/8. So, the midpoint is (0 + π/8)/2 = π/16.
For the second subinterval, the left endpoint is π/8 and the right endpoint is π/4. The midpoint is (π/8 + π/4)/2 = 3π/16.
For the third subinterval, the left endpoint is π/4 and the right endpoint is 3π/8. The midpoint is (π/4 + 3π/8)/2 = 5π/16.
For the fourth subinterval, the left endpoint is 3π/8 and the right endpoint is π/2. The midpoint is (3π/8 + π/2)/2 = 7π/16.
Now, we can evaluate the function cos⁴(x) at each of these midpoints.
cos⁴4(π/16) ≈ 0.9481
cos⁴(3π/16) ≈ 0.3017
cos⁴(5π/16) ≈ 0.0488
cos⁴(7π/16) ≈ 0.0016
Finally, we multiply each of these function values by the width of the subintervals and sum them up to get the approximate value of the integral:
m4 ≈ (π/8) * [0.9481 + 0.3017 + 0.0488 + 0.0016] ≈ 0.2334 (rounded to four decimal places).
Therefore, the approximate value of the integral /2 2 cos⁴(x) dx, using the midpoint rule with n = 4, is approximately 0.2334.
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A system of equations is graphed on a coordinate plane.
Which coordinates are the best estimate of the solution to the
system of equations?
(2.3)
a (1.2)
(2.2)
(2.4)
2
1
0
-14
5x-y=9
2x+6y=13
Answer:
(2,2)
Step-by-step explanation:
the intersection of the two lines represents the solution
visually, you can see the lines intersect closely to (2,2)
Solve for x: 5(x + 3) = 4(x - 3)
-18
-27
-3
-6
please help me im actually having a mental breakdown over this stuff
Answer:
x=27
Step-by-step explanation:
It's gonna be okay! Just breathe!
You got this I believe in you!!
Solve the system of equations using elimination.
6y−4x=20−4y+3x=−12
(4, 6)
(−4, 6)
(−4, −6)
Answer: A. (4,6)
Step-by-step explanation: 2(6y−4x = 20) 3(−4y+3x = −12) −8x+12y = 40 9x−12y = −36 -8x+9x +12y-12y 40-36 x=4 6y−4x = 20 6y−(4)(4) = 20 6y−16+16 = 20+16 6y/6 = 36/6 y = 6 x = 4, and y = 6.
The solution for the given system of equations is (4, 6). Therefore, option A is correct answer.
The given system of equations are 6y-4x=20 and -4y+3x=-12.
What is a linear system of equations?A system of linear equations consists of two or more equations made up of two or more variables such that all equations in the system are considered simultaneously. The solution to a system of linear equations in two variables is any ordered pair that satisfies each equation independently.
Here,
6y-4x=20 ----------(I) and -4y+3x=-12 ----------(II)
Multiply equation (I) by 3, we get
-12x+18y=60 ----------(III)
Multiply equation (II) by 4, we get
12x-16y=-48 ----------(IV)
Add equation (III) and (IV), that is
-12x+18y+(12x-16y)=60-48
⇒ 2y=12
⇒ y=6
So, 6y-4x=20
⇒ 36-4x=20
⇒ -4x=-16
⇒ x=4
The solution for the given system of equations is (4, 6). Therefore, option A is correct answer.
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“The total of eight times a number and five"
Answer:
8x + 40
Step-by-step explanation:
8(x+5)
8 times x = 8x
8 times 5 = 40
Answer:
8 x____=5 i got 0.625 as a decimal and 5/8 as a fraction, i dont even know if thats the answer u were looking for but ok, Hope this helps ;D
Step-by-step explanation:
Find the midpoint of a line segment with endpoints at (-5,7) and (13, 13).
M =(x, y) = 1; + x, y + y;
2. 2?
Answer:
About 7
Step-by-step explanation:
Please help find the equation and tell me how you found it! If you don't show work I swear I'll report it and don't you dare give the wrong answer. i ain't giving 40 points for no reason.
Answer:
y=-\(\sqrt9(x-1)+2\)
use the chain rule to find ∂z/∂s and ∂z/∂t. z = sin() cos(), = st9, = s9t
∂z/∂s = -sin()cos()t9 + cos()sin()9st2 and ∂z/∂t = sin()cos()s - cos()sin()81t.
To find ∂z/∂s and ∂z/∂t, we use the chain rule of partial differentiation. Let's begin by finding ∂z/∂s:
∂z/∂s = (∂z/∂)(∂/∂s)[(st9) cos(s9t)]
We know that ∂z/∂ is cos()cos() - sin()sin(), and
(∂/∂s)[(st9) cos(s9t)] = t9 cos(s9t) + (st9) (-sin(s9t))(9t)
Substituting these values, we get:
∂z/∂s = [cos()cos() - sin()sin()] [t9 cos(s9t) - 9st2 sin(s9t)]
Simplifying the expression, we get:
∂z/∂s = -sin()cos()t9 + cos()sin()9st2
Similarly, we can find ∂z/∂t as follows:
∂z/∂t = (∂z/∂)(∂/∂t)[(st9) cos(s9t)]
Using the same values as before, we get:
∂z/∂t = [cos()cos() - sin()sin()] [(s) (-sin(s9t)) + (st9) (-9cos(s9t))(9)]
Simplifying the expression, we get:
∂z/∂t = sin()cos()s - cos()sin()81t
Therefore, ∂z/∂s = -sin()cos()t9 + cos()sin()9st2 and ∂z/∂t = sin()cos()s - cos()sin()81t.
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