The frequency distribution table can be used to analyze the distribution of companies based on their per unit sales, and can help identify trends and patterns in the data.
To construct a frequency distribution of companies based on per unit sales, we need to gather data on the sales figures of each company and then categorize them into intervals of per unit sales.
Here is an example frequency distribution table based on per unit sales ($ millions):
Per unit sales ($ millions) Frequency
0.0 up to 0.5 2
0.5 up to 1 4
1 up to 1.5 6
1.5 up to 2 8
2 up to 2.5 5
2.5 up to 3 3
3 up to 3.5 2
3.5 up to 4 1
In this table, we have eight intervals of per unit sales, ranging from 0.0 up to 4.0 million dollars. For each interval, we count the number of companies that fall within that range, and record the frequency. For example, we have 2 companies with sales figures between 0.0 and 0.5 million dollars, 4 companies with sales figures between 0.5 and 1 million dollars, and so on.
This frequency distribution table can be used to analyze the distribution of companies based on their per unit sales, and can help identify trends and patterns in the data.
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Determine whether the set R^2 with operations (x1, y1) + (x2, y2) = (x1, x2, y1, y2) and c(x1, y1) = (cx1, cy1) is a vector space. If it is, verify each vector space axiom; if it is not, state all vector space axioms that fail.
As R² with the given operations satisfies all the vector space axioms, it is indeed a vector space.
To determine whether the set R² with the given operations is a vector space, we need to verify if it satisfies all the vector space axioms.
1. Closure under addition: (x1, y1) + (x2, y2) = (x1 + x2, y1 + y2), which is of the same form as the original elements in R². Thus, addition is closed.
2. Commutativity of addition: (x1, y1) + (x2, y2) = (x1 + x2, y1 + y2) = (x2 + x1, y2 + y1) = (x2, y2) + (x1, y1). Thus, addition is commutative.
3. Associativity of addition: ((x1, y1) + (x2, y2)) + (x3, y3) = (x1 + x2, y1 + y2) + (x3, y3) = (x1 + x2 + x3, y1 + y2 + y3) = (x1, y1) + (x2 + x3, y2 + y3) = (x1, y1) + ((x2, y2) + (x3, y3)). Thus, addition is associative.
4. Identity element of addition: The additive identity is (0, 0), since (x, y) + (0, 0) = (x + 0, y + 0) = (x, y) for any (x, y) in R².
5. Inverse elements of addition: The additive inverse of (x, y) is (-x, -y), since (x, y) + (-x, -y) = (x - x, y - y) = (0, 0).
6. Closure under scalar multiplication: c(x, y) = (cx, cy), which is of the same form as the original elements in R². Thus, scalar multiplication is closed.
7. Distributivity of scalar multiplication over vector addition: c((x1, y1) + (x2, y2)) = c(x1 + x2, y1 + y2) = (c(x1 + x2), c(y1 + y2)) = (cx1 + cx2, cy1 + cy2) = (cx1, cy1) + (cx2, cy2) = c(x1, y1) + c(x2, y2). Thus, scalar multiplication is distributive over vector addition.
8. Distributivity of scalar multiplication over scalar addition: (c1 + c2)(x, y) = ((c1 + c2)x, (c1 + c2)y) = (c1x + c2x, c1y + c2y) = c1(x, y) + c2(x, y). Thus, scalar multiplication is distributive over scalar addition.
9. Associativity of scalar multiplication: c1(c2(x, y)) = c1(c2x, c2y) = (c1c2x, c1c2y) = (c1c2)(x, y). Thus, scalar multiplication is associative.
10. Identity element of scalar multiplication: The multiplicative identity is 1, since 1(x, y) = (1x, 1y) = (x, y) for any (x, y) in R².
Since R² with the given operations satisfies all the vector space axioms, it is indeed a vector space.
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Find the median age of a group of students whose ages are: 8, 6, 10,12,15, 12,16,12,8,14
Answer:
The median is number 12!!!!
Find the equation for the plane through Po(2, -3, - 5) perpendicular to the following line. x=2+t, y=-3+5t, z= -3, -20 << Be sure to clearly show all work in order to receive full credit. Put your final answer in the form ax + by + cz = d. The equation of the plane is
5x - y - 13 = 0 is the equation of the plane
How to find the equation of a plane through a given point that is perpendicular to a given line in three-dimensional space?To find the equation of the plane, we need two pieces of information: a point on the plane, and the normal vector of the plane.
We are given a point on the plane: P0(2, -3, -5).
To find the normal vector of the plane, we need to use the fact that the plane is perpendicular to the given line. The direction vector of the line is <1, 5, 0>, since the line has parametric equations x=2+t, y=-3+5t, z=-3, and the vector <1, 5, 0> is the coefficient vector of the parameter t in these equations.
Any vector that is perpendicular to <1, 5, 0> will be a normal vector of the plane. One such vector is <5, -1, 0>, which we can verify by taking the dot product of this vector with <1, 5, 0>:
<5, -1, 0> · <1, 5, 0> = 5(1) + (-1)(5) + 0(0) = 0
Thus, the normal vector of the plane is <5, -1, 0>.
Now we can use the point-normal form of the equation of a plane:
ax + by + cz = d
where <a, b, c> is the normal vector of the plane, and (x, y, z) is any point on the plane. Substituting in the values we have:
5(x - 2) - 1(y + 3) + 0(z + 5) = 0
Simplifying:
5x - 10 - y - 3 = 05x - y - 13 = 0So the equation of the plane is:
5x - y - 13 = 0
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For a science project, Chase recorded the amount of rainfall for 6 weeks. The line plot shows the amounts of rainfall he recorded. How many inches of rainfall were recorded? (this was to hard to do by myself)
Answer:
2(3/8) + 4/8 + 5/8 + 7/8
= 6/8 + 4/8 + 5/8 + 7/8 = 22/8 = 2 6/8
B is correct.
Given BC = AD = √73.
BA=CD= √5, the slope of BA= CD =1/2
the following statements is true about the quadrilateral?
The statement that is true about the quadrilateral is
It is a rectangle because the opposite sides in a quadrilateral are congruent.
Option C is the correct answer.
We have,
From the given information,
AB = CD = √73
BC = AD = √5
Slope:
BA = CD = 1/2
BC = AD = 8/3
Now,
This means,
AB = CD = congruent
BC = AD = congruent
Now,
The opposite sides in a quadrilateral are congruent.
This means,
The quadrilateral is a rectangle.
Thus,
The statement that is true about the quadrilateral is
It is a rectangle because the opposite sides in a quadrilateral are congruent.
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Sketch the vector field F(r) = -r / ||r||^3 in the xy-plane. Select all that apply. The lengths of the vectors decrease as you move away from the origin. All the vectors point towards the origin. The length of each vector is 1. All the vectors point in the same direction. All the vectors point away from the origin.
To sketch the vector field F(r) = -r / ||r||^3 in the xy-plane, we can first observe that this is a radial vector field that points towards the origin. As ||r||^3 is the cube of the distance from the origin, the denominator increases much faster than the numerator, causing the lengths of the vectors to decrease as we move away from the origin. Therefore, the first statement "The lengths of the vectors decrease as you move away from the origin. All the vectors point towards the origin" is true.
As for the second statement, "The length of each vector is 1. All the vectors point in the same direction. All the vectors point away from the origin", it is not true for this vector field. The length of each vector depends on the distance from the origin and is not constant. Also, the vectors point towards the origin and not away from it. Therefore, this statement is false.
In summary, the correct answer is: The lengths of the vectors decrease as you move away from the origin. All the vectors point towards the origin.
To sketch the vector field F(r) = -r / ||r||^3 in the xy-plane and determine which statements apply, follow these steps:
1. Recognize that F(r) is a radial vector field with its direction determined by the term -r, which points towards the origin, and its magnitude determined by 1/||r||^3.
2. Notice that as you move away from the origin (increasing the value of ||r||), the magnitude of the vector field decreases because the denominator ||r||^3 increases, making the overall value of the vector field smaller.
3. Observe that all vectors point towards the origin because of the negative sign in the term -r.
4. Since the magnitude of the vector field is determined by 1/||r||^3 and not a constant value, the length of each vector is not 1.
5. As the vector field is radial and determined by the term -r, the vectors do not point in the same direction and do not point away from the origin.
From this analysis, we can conclude that the following statements apply:
- The lengths of the vectors decrease as you move away from the origin.
- All the vectors point towards the origin.
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Use the form |x-b| c to write an absolute value inequality that has the solution set 5
One possible absolute value inequality with the solution set 5 is:
| x - 5 | ≤ 0
What is the absolute value inequality?An absolute value inequality is a type of inequality that involves the absolute value of a variable. The absolute value of a number is its distance from zero, and it is always a non-negative value.
The general form of an absolute value inequality is:
| f(x) | < a
where f(x) is an algebraic expression involving x, and a is a positive number.
According to the given informationAn absolute value inequality with the solution set of 5 can be written in the form:
| x - b | ≤ c
where b is the value around which x can vary and c is the maximum distance from b to the boundary of the solution set.
To obtain a solution set of 5, we need to choose b as the midpoint between the two endpoints of the solution set, which is (5 + 5)/2 = 5.
The distance from b to either endpoint of the solution set is 5 - 5 = 0. Therefore, we can choose c to be any value greater than or equal to 0.
One possible absolute value inequality with the solution set 5 is:
| x - 5 | ≤ 0
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Given: ABCD is a rhombus and △ACB ≅ △DBC
Prove: ABCD is a square
Mai poured 2.4 L into a partilly filled water now there is 10.4
In a case whereby Mai poured 2.4 L into a partilly filled water now there is 10.4 the best figure that represent this is the second fiqure.
How can the best fiqure be known?Based on the given information it can be seen that the total volume of the figure is 10.4 which implies that it will take the total volume of of water of 10.4
Considering the second fiqure , it can be deduced that the total volume is 10.4, where one part of the fiqure is X and other bis 2.4, which impies that 10.4 = X + 2.4 which is the expression for the fiqure.
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find the standard matrix of the given linear transformation from ℝ^2 to ℝ^2. reflection in the line y = x
This matrix can be used to perform the reflection of any vector in the line y = x, by multiplying the vector by the matrix.
What is Matrix?
A matrix is a rectangular array or table of numbers or symbols that are arranged in rows and columns. The numbers or symbols in a matrix are called its elements or entries. Matrices are used in various areas of mathematics, science, engineering, and other fields to represent and manipulate data, perform transformations, solve equations, and model real-world phenomena.
To find the standard matrix of the given linear transformation from[tex]R^{2}[/tex] to [tex]R^{2}[/tex] we can use the fact that the standard basis vectors i = (1, 0) and j = (0, 1) are transformed into the vectors that are reflections of themselves in the line y = x.
The image of i is obtained by reflecting i across the line y = x, which gives us the vector (0, 1). Similarly, the image of j is obtained by reflecting j across the line y = x, which gives us the vector (1, 0).
Therefore, the standard matrix of the linear transformation is:
| 0 1 |
| 1 0 |
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(10) Synthetic Division
(V^3-2v^2-14v-5)(V+3)
Answer:
The highlighted part is the answer
Step-by-step explanation:
A survey of the first 10 of the 2,000,000 people to vote in an
election shows that 6 vote for the incumbent and 4 for the
challenger. Based on the sample, about how many of the
2,000,000 voters vote for the incumbent?
Based on the given sample, the number of voters vote for the incumbent are 1,200,000.
Based on the sample, it can be estimated that approximately 1,200,000 of the 2,000,000 voters will vote for the incumbent.
This can be calculated by taking the sample size of 10 and multiplying it by the proportion of votes that the incumbent received (6/10).
This gives a result of 6/10 x 2,000,000 = 1,200,000.
However, it is important to note that this is just an estimate and the actual number of votes for the incumbent could be higher or lower than 1,200,000.
Therefore, based on the given sample, the number of voters vote for the incumbent are 1,200,000.
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A random sample of 100 customers at a local ice cream shop were asked what their favorite topping was. The following data was collected from the customers.
Topping Sprinkles Nuts Hot Fudge Chocolate Chips
Number of Customers 44 27 12 17
Which of the following graphs correctly displays the data?
a histogram titled favorite topping with the x axis labeled topping and the y axis labeled number of customers, with the first bar labeled chocolate chips going to a value of 17, the second bar labeled hot fudge going to a value of 12, the third bar labeled nuts going to a value of 27, and the fourth bar labeled sprinkles going to a value of 44
a histogram titled favorite topping with the x axis labeled topping and the y axis labeled number of customers, with the first bar labeled hot fudge going to a value of 17, the second bar labeled chocolate chips going to a value of 12, the third bar labeled sprinkles going to a value of 27, and the fourth bar labeled nuts going to a value of 44
a bar graph titled favorite topping with the x axis labeled topping and the y axis labeled number of customers, with the first bar labeled chocolate chips going to a value of 17, the second bar labeled hot fudge going to a value of 12, the third bar labeled nuts going to a value of 27, and the fourth bar labeled sprinkles going to a value of 44
a bar graph titled favorite topping with the x axis labeled topping and the y axis labeled number of customers, with the first bar labeled hot fudge going to a value of 17, the second bar labeled chocolate chips going to a value of 12, the third bar labeled sprinkles going to a value of 27, and the fourth bar labeled nuts going to a value of 44
The best graph to display the data is C. a bar graph titled favorite topping with the x axis labeled topping and the y axis labeled number of customers, with the first bar labeled chocolate chips going to a value of 17, the second bar labeled hot fudge going to a value of 12, the third bar labeled nuts going to a value of 27, and the fourth bar labeled sprinkles going to a value of 44.
Why is this graph best ?Categorical data is best represented through a bar graph wherein every distinctive category is illustrated by a rectangular bar in correspondence to the frequency or item count. This display method uses the height or length of each rectangle as its basis.
The customer's preferences on their choice of ice cream toppings were subjected to a categorical survey; hence, it deemed suitable for visual illustration via a bar chart. There are four recognizable component ingredients identified in this survey namely: Sprinkles, Nuts, Hot Fudge, and Chocolate Chips. Each component underlies particular statistical value and described discretely hence a bar graph proves fitting to portray this information.
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David then withdrew that money and put it into another bank account with a rate of 5% interest compounded annually. How much money worth of interest did David gain after 4 years?
David gained approximately $2,155.06 in interest after 4 years.
How to solveBy utilizing the compound interest formula A = P(1 + r/n)^(nt), one can determine the future value of an investment or loan, inclusive of its added interest.
Variables to consider include the initial deposit (P), annual interest rate (r as a decimal), frequency at which it is compounded per year (n) and time (t).
This specific scenario assimilates a principal amount of $10,000 with an annual interest rate of 5% compounded yearly for four years, resulting in an accrued balance of roughly $12,155.06.
Therefore, David gained approximately $2,155.06 in interest after 4 years.
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If David deposited $10,000 into a bank account with a 5% interest rate compounded annually, how much interest did he gain after 4 years?
given that the exterior angle of a regular hexagon is 2x,find the value of x,hence find the size of each interior angle of the hexagon
Answer:
x = 30 , interior angle = 120
Step-by-step explanation:
the sum of the exterior angles of a polygon = 360°
since the hexagon is regular then exterior angles are congruent , then
6 × 2x = 360
12x = 360 ( divide both sides by 12 )
x = 30
then each exterior angle = 2x = 2 × 30 = 60°
the sum of exterior angle and interior angle = 180° , that is
interior angle + 60° = 180° ( subtract 60° from both sides )
interior angle = 120°
The table below shows that the number of miles driven by Jamal is directly proportional to the number of gallons he used.
Gallons Used
Gallons Used
Miles Driven
Miles Driven
14
14
525
525
43
43
1612.5
1612.5
47
47
1762.5
1762.5
How many gallons of gas would he need to travel
296.25
296.25 miles
Jamal would need approximately 7.9 gallons of gas to travel 296.25 miles.
We can use the concept of direct variation to solve this problem. Direct variation means that two quantities are related by a constant ratio. In this case, the number of miles driven is directly proportional to the number of gallons used.
To find the constant of proportionality, we can use the given data. From the table, we can see that when Jamal used 14 gallons, he drove 525 miles. So we can write:
14/525 = k
where k is the constant of proportionality.
Solving for k, we get:
k = 14/525
Now we can use this value of k to find how many gallons Jamal would need to travel 296.25 miles. Let x be the number of gallons he would need. Then we can write:
x/296.25 = k
Substituting the value of k, we get:
x/296.25 = 14/525
Solving for x, we get:
x = (296.25 × 14) / 525
x ≈ 7.9
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write the equation for each translation of the graph of y=|1/2x - 2| +3
a) one unit up
b) one unit down
c) one unit to the left
d) one unit to the right
Answer:
a) y = |1/2x -2| +4
b) y = |1/2x -2| +2
c) y = |1/2x -3/2| +3
d) y = |1/2x -5/2| +3
Step-by-step explanation:
You want the equations for the translation of y = |1/2x -2| +3 ...
a) one unit upb) one unit downc) one unit to the leftd) one unit to the rightTranslationThe transformation of a function required to translate it (right, up) by (h, k) units is ...
f(x) = f(x -h) +k
a) UpFor (h, k) = (0, 1), the new function is ...
y = |1/2x -2| +3 +1
y = |1/2x -2| +4
b) DownFor (h, k) = (0, -1), the new function is ...
y = |1/2x -2| +3 -1
y = |1/2x -2| +2
c) LeftFor (h, k) = (-1, 0), the new function is ...
y = |1/2(x -(-1)) -2| +3
y = |1/2(x+1) -2| +3
y = |1/2x -3/2| +3
d) RightFor (h, k) = (1, 0), the new function is ...
y = |1/2(x -1) -2| +3
y = |1/2x -5/2| +3
<95141404393>
Confirm that the Integral Test can be applied to the series. Then use the Integral Test to determine the convergence or divergence of the series. 1/10 + 1/12 + 1/14 + 1/16 + 1/18 + ... integral^infinity_1 1/2x + 8 dx = ____a. converges b. diverges
Now, we can evaluate the improper integral of f(x) from 1 to infinity:
integral^infinity_1 1/(2x + 8) dx. Since, the improper integral diverges, the series also diverges by the Integral Test. Therefore, the answer is b. diverges.
Your answer: b. diverges
To apply the Integral Test, we first need to confirm that the function f(x) = 1/(2x + 8) is continuous, positive, and decreasing on the interval [1, ∞). Since the function meets these conditions, we can apply the Integral Test.
Now, let's evaluate the integral:
∫[1,∞] (1/(2x + 8)) dx
To solve this, we can use the substitution method:
let u = 2x + 8, so du = 2 dx. Now, when x = 1, u = 10, and when x → ∞, u → ∞.
Now, the integral becomes:
(1/2) ∫[10,∞] (1/u) du
This is an improper integral, and its form is a p-series where p = 1. We know that a p-series converges if p > 1 and diverges if p ≤ 1. In this case, p = 1, so the integral diverges.
Since the integral diverges, by the Integral Test, the given series also diverges.
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the wronskian of the function e^x and e3x is?
The Wronskian of the functions e and e(3x) is 2e(4x).
The Wronskian of the functions e^x and e^(3x) is found by computing the determinant of the matrix formed by their derivatives. In this case, the Wronskian is:
W(e^x, e^(3x)) = |(d/dx)e^x (d/dx)e^(3x)|
|e^x 3e^(3x)|
Now, compute the determinant:
W(e^x, e^(3x)) = e^x(3e^(3x)) - e^(3x)e^x
W(e^x, e^(3x)) = 2e^(4x)
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need help please I need help right now and thank you
answer: 9.1
The points are plotted at (-4,6) and (5,5)
i have attatched a photo with the values inputted into the distance formula!
how do i write the inequality of this?
Answer:
y <= x+2
Step-by-step explanation:
Finding the curve equation,
the slope is 1 and the y-intercept is 2. Hence,
y = x + 2
Since the thing is under the graph,
y < x + 2
Since it is a solid line,
y <= x + 2
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find a general solutio for the differential equation y''' 2y''-8y=0
The general solution to the differential equation y''' - 2y'' - 8y = 0 is [tex]y(t) = c1 e^{(4t)} + c2 e^{(-t)} + c3 t e^{(-t).[/tex]
To find the general solution of the given differential equation:
y''' - 2y'' - 8y = 0
We first find the characteristic equation by assuming a solution of the form:
y = [tex]e^{(rt)}[/tex]
where r is a constant to be determined.
Substituting this solution into the differential equation, we get:
[tex]r^3 e^{(rt)} - 2r^2 e^{(rt)} - 8e^{(rt)} = 0[/tex]
Dividing both sides by [tex]e^{(rt)[/tex], we get:
r³ - 2r² - 8 = 0
This is the characteristic equation, which we can solve for r using factoring or the quadratic formula. Factoring gives:
(r - 4)(r + 1)² = 0
So the roots are:
r = 4 (with multiplicity 1)
r = -1 (with multiplicity 2)
Therefore, the general solution to the differential equation is:
[tex]y(t) = c1 e^{(4t)} + c2 e^{(-t)} + c3 t e^{(-t).[/tex]
where c1, c2, and c3 are constants determined by the initial or boundary conditions of the problem.
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calculate by double integration the area of the bounded region determined by the given pairs of curves. x^2=8y −x +4y−4=0a) -9/2|b) 9/8|c) 9/2|d) 9|e) 27/2|f) none of these
The answer is (a) [tex]$-\frac{9}{2}$[/tex].
How to find the area of the bounded region?To find the area of the bounded region determined by the curves [tex]$x^2=8y[/tex]and x + 4y - 4 = 0, we first need to find the intersection points of the two curves.
From the equation [tex]$x^2=8y$[/tex], we get [tex]$y=\frac{x^2}{8}$[/tex] Substituting this in the equation x + 4y - 4 = 0, we get [tex]$x+4\left(\frac{x^2}{8}\right)-4=0$[/tex], which simplifies to [tex]$x^2+8x-32=0$[/tex]. Solving for x, we get [tex]$x=-4\pm 4\sqrt{3}$[/tex].
Since the parabola [tex]$x^2=8y$[/tex] opens upwards, the area of the bounded region can be calculated as follows:
[tex]Area }=\int_{-4-4 \sqrt{3}}^{4 \sqrt{2}} \int_{\frac{x^2}{8}}^{(4-x) / 4} d y d x[/tex]
Integrating with respect to y first, we get:
[tex]\text { Area }=\int_{-4-4 \sqrt{3}}^{4 \sqrt{2}}\left(\frac{4-x}{4}-\frac{x^2}{8}\right) d x[/tex]
Simplifying and evaluating the integral, we get:
[tex]\text { Area }=\frac{9}{2}+\frac{16 \sqrt{3}}{3}-2 \sqrt{2}[/tex]
Therefore, the answer is (a)[tex]$-\frac{9}{2}$[/tex].
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State whether the sequence an=(9n)/√(n^2+1) converges and, if it does, find the limit.
a) converges to (9√2)/2
b) diverges
c) converges to 1
d) converges to 9
e) converges to 0
The sequence an=(9n)/√(n^2+1) converges to 9/sqrt(1+1)=9/sqrt(2)=9√2/2, so the answer is (a) converges to (9√2)/2.
To see why, we can use the limit comparison test, comparing to a similar sequence bn = 9n/sqrt(n^2), which simplifies to bn = 9/sqrt(n). Since the limit as n approaches infinity of bn is 0, we can use this to find the limit of an by taking the limit of the ratio an/bn:
lim(n->inf) an/bn = lim(n->inf) [(9n)/√(n^2+1)] / [9/sqrt(n)]
= lim(n->inf) sqrt(n) * (n/sqrt(n^2+1))
= lim(n->inf) (n/sqrt(n^2+1)) (since sqrt(n) approaches infinity as n approaches infinity)
= lim(n->inf) (1/sqrt(1+(1/n^2))) = 1/sqrt(1+0) = 1/sqrt(1) = 1.
Since this limit is finite and nonzero, we can conclude that the sequence converges, and its limit is 9/sqrt(2).
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Amar, Akbar and Anthony are playing a game. Amar climbs 5 stairs and gets down 2 stairs in one turn. Akbar goes up by 7 stairs and comes down by 2 stairs every time. Anthony goes 10 stairs up and 3 stairs down each time.
Doing this they have to reach to the nearest point of 100th stairs and they will stop once they find it
impossible to go forward. They can not cross 100th stair in anyway
I) How many times can they meet in between on same stair ?
II) Who takes least number of steps to reach near hundred?
To find the answers, we need to calculate the number of steps each player takes before they are unable to continue:
For Amar:
5 stairs up and 2 stairs down per turn
Net gain of 3 stairs per turn
It will take 32 turns to reach 96 stairs (32 * 3 = 96)
In the 33rd turn, Amar will climb 5 stairs and reach 100 stairs.
For Akbar:
7 stairs up and 2 stairs down per turn
Net gain of 5 stairs per turn
It will take 19 turns to reach 95 stairs (19 * 5 = 95)
In the 20th turn, Akbar will climb 7 stairs and reach 100 stairs.
For Anthony:
10 stairs up and 3 stairs down per turn
Net gain of 7 stairs per turn
It will take 14 turns to reach 98 stairs (14 * 7 = 98)
In the 15th turn, Anthony will climb 10 stairs and reach 100 stairs.
I) The players will meet on the same stair whenever they end up on a stair whose number is the same for any two players. To find out the number of times they meet on the same stair, we need to calculate the lowest common multiple (LCM) of the number of turns taken by each player to reach 100 stairs.
Amar takes 33 turns
Akbar takes 20 turns
Anthony takes 15 turns
LCM(33,20,15) = 660
Therefore, they will meet on the same stair 660/33 + 660/20 + 660/15 = 20 + 33 + 44 = 97 times.
II) Anthony takes the least number of steps to reach near hundred, as he only needs 15 turns to reach 98 stairs.
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The population density for each animal is given as follows:
Grizzly bear: 0.0003 grizzly bears per acre.Elk: 0.009 elks per acre.Mule deer: 0.0009 mule deer per acre.Bighorn sheep: 0.0002 bighorn sheep per acre.How to calculate the population density?The population density is calculated as the division of the total population by the total area.
The area for this problem is given as follows:
2.22 million acres = 2,220,000 acres.
Hence the densities are given as follows:
Grizzly bear: 712/2220000 = 0.0003 grizzly bears per acre.Elk: 20000/2220000 = 0.009 elks per acre.Mule deer: 1900/2220000 = 0.0009 mule deer per acre.Bighorn sheep: 345/2220000 = 0.0002 bighorn sheep per acre.More can be learned about population density at https://brainly.com/question/26910545
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make (a) the subject of the formula (a)
a/2c
+
b/4 = 2
Answer:
a=8c-b/2
Step-by-step explanation:
a/2c+b/4=2
find the lcm
lcm=4c
multiply through by lcm 4c
4c×a/2c+4c ×b/4=4c×2
2×a+b×c=8c
2a+bc=8c
subtract bc from both sides
2a+bc-bc=8c-bc
2a=8c-b
To make 'a' subject of formula, divide 2 from both sides
2a/2=8c-b/2
a=8c-b/2
Maya started driving at 2pm at 80km/h. What time did Maya get to L.A?
Step-by-step explanation:
I'm sorry, but I would need some additional information to determine when Maya arrived in L.A. Specifically, I would need to know the distance from Maya's starting point to L.A. Without knowing this distance, it is not possible to determine how long the journey would take and what time Maya would arrive.
However, if we assume that the distance from Maya's starting point to L.A. is 400 km, for example, then we can calculate that she would arrive at 8:00 pm (6 hours after starting) by dividing the distance by her speed:
Time = Distance ÷ Speed
Time = 400 km ÷ 80 km/h
Time = 5 hours
Since Maya started driving at 2 pm, we can add the 5 hours of driving time to find that she would arrive at 7 pm:
Arrival time = Starting time + Driving time
Arrival time = 2 pm + 5 hours
Arrival time = 7 pm
Again, please note that the actual arrival time would depend on the actual distance between Maya's starting point and L.A.
The temperature of a solution in a science experiment is -4.3C. Mark wants to raise the temperature so that it is positive.
Mark needs to add heat to the solution in order to elevate the temperature from -4.3°C to a positive value
DEFINE A SPECIFIC HEAT SYSTEM?The amount of heat needed to increase a substance's temperature by one degree Celsius per gramme is known as its specific heat capacity. It is a characteristic of a substance that is intense and independent of the size or shape of the quantity under consideration. A substance's specific heat capacity is typically indicated by the letters "c" or "s"².
Mark needs to add heat to the solution in order to elevate the temperature from -4.3°C to a positive value.
. The bulk of the solution and its specific heat capacity affect the amount of heat needed.
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I did exactly what they told me! They won't accept any answers! Please help me FAST! If P=(6,5) and Q=(2,1) are the endpoints of the diameter of a circle, find the equation of the circle.
The final equation of the circle is: (x - 4)²+(y - 3)² =8.
What us equation of circle?The set of all points in a plane that are equally spaced from a fixed point known as the centre is described by the equation of a circle.
It is usually written in the form (x-h)² + (y-k)² = r², where (h, k) represents the center and r represents the radius of the circle.
To find the equation of the circle, we need to find the center of the circle and its radius using the given endpoints of the diameter.
The circle's centre corresponds to the diameter PQ's midpoint.Taking the average of the x-coordinates and the average of the y-coordinates will yield the midpoint's coordinates:
x-coordinate of midpoint = (6 + 2)/2 = 4
y-coordinate of midpoint = (5 + 1)/2 = 3
(4, 3) is the center of circle.
The radius of circle is half the distance between the endpoints of diameter:
r = 1/2 × √((6 - 2)² + (5 - 1)²) = 1/2 × √(16 + 16) = 1/2 × √(2) = 2√(2)
Therefore, the equation of the circle with center (4, 3) and radius 2√(2) is:
(x - 4)² + (y - 3)² = (2×(2))²
Simplifying and expanding right-hand side:
(x - 4)² + (y - 3)² = 8
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