Answer:
141.37167in³
Step-by-step explanation:
V=
π
d
2
2
h
=
π
6
2
2
5
≈
141.37167in³
Answer:
exact: V = 45pi in.^3
approximate: V = 141.4 in.^3
Step-by-step explanation:
V = (pi)r^2h
r = d/2 = 6 in./2 = 3 in.
V = (pi) * (3 in.)^2 * 5 in.
V = 45pi in.^3
V = 141.4 in.^3
grantly is creating a design for a sitting room off his client's master bedroom. he plans to use a few chairs, an end table, and some rugs to create a cozy space. how close should grantly place the chairs?
Grantly must place the chairs close enough so that people can easily speak with one another
Grantly is designing a sitting area that will be located outside of his client's master bedroom. He intends to furnish the area with a few rugs, an end table, and chairs. The seats should be spaced apart just enough to allow for easy conversation while seated, but not too much that it seems crowded. For easy access, end table should be positioned close to the seats. The placement of rugs should be such that they both define seating area and add to overall attractiveness of the space.
To make sure that chairs, end table, and rugs fit properly without giving area a claustrophobic feeling, Grantly should take measurements of the available space in the sitting room. He should also consider how the master bedroom is organised as well as any existing furnishings or fixtures that could have an impact on how the sitting room furniture is arranged. Additionally, seating should be set up so that conversing with one another while seated is simple. Conversation can be facilitated and a cosy environment can be created by positioning chairs in a circula configuration, facing one another.
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Rocky Mountain Tire Center sells 10,000 go-cart tires per year. The ordering cost for each order is $35, and the holding cost is 40% of the purchase price of the tires per year. The purchase price is $25 per tire if fewer than 200 tires are ordered,$17 per tire if 200 or more, but fewer than 8,000, tires are ordered, and $13 per tire if 8,000 or more tires are ordered.
a) How many tires should Rocky Mountain order each time it places an order?
b) What is the total cost of this policy?
a) Rocky Mountain should order 200 tires each time it places an order.
b) The total cost of this policy is $17,160.
a) To determine how many tires Rocky Mountain should order each time, we need to consider the different price levels and find the point where it is most cost-effective to order. Let's analyze the three price levels:
If fewer than 200 tires are ordered: The purchase price is $25 per tire.
If 200 or more, but fewer than 8,000 tires are ordered: The purchase price is $17 per tire.
If 8,000 or more tires are ordered: The purchase price is $13 per tire.
Since the ordering cost is $35 per order, it is most cost-effective to order the maximum quantity that falls within the second price level, which is 200 tires.
b) To calculate the total cost of this policy, we need to consider the ordering cost and the holding cost. The holding cost is 40% of the purchase price per tire per year. Let's calculate the total cost:
Total holding cost = (Purchase price per tire * Quantity ordered * Holding cost rate) / 2 = (($17 * 10,000 * 0.4) / 2) + (($13 * 2,000 * 0.4) / 2) = $34,000 + $5,200 = $39,200
Total cost = Total ordering cost + Total holding cost = (Ordering cost per order * Number of orders) + Total holding cost = ($35 * (10,000 / 200)) + $39,200 = $1,750 + $39,200 = $40,950
Therefore, the total cost of this policy is $40,950.
Rocky Mountain Tire Center should order 200 tires each time it places an order, resulting in a total cost of $40,950 for this policy. This ordering quantity and cost analysis allows Rocky Mountain to make efficient and cost-effective decisions in managing their inventory.
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The diameter of a tree increases by about 1/8 inch each year. Write an equation that represents x, the increase in the diameter of the tree, in the last y years.
According to the statement, the diameter increases by 1/8 inch each year, which means that the increase of the diameter is given by the number of years times 1/8.
Taking x as the increase and y as the number of years, the equationthat represents x in terms of y is:
\(x=\frac{1}{8}y\)The function f open argument x close argument varies inversely with x and f open argument x close argument equals 0.5 when x
The value of function f(x), when x=2.4 is f(x)=0.00625.
What is a function?
In mathematics, a function is a unique arrangement of the inputs (also referred to as the domain) and their outputs (sometimes referred to as the codomain), where each input has exactly one output and the output can be linked to its input.
If the function f(x) varies inversely with x, then this function is of the form -
f(x)=a/x
where a is unknown number.
Since f(x)=0.5 when x =0.3, then -
0.5 = a/0.3
a = 0.5 × 0.3
a = 0.15
So, the function now becomes -
f(x) = 0.15/x
Substituting for x = 2.4 -
f(2.4) = 0.15 / 2.4
= 15/240
= 1/16
= 0.00625
Therefore, f(x) value is obtained as 0.00625.
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The function f(x) varies inversely with x and f(x)=0.5 when x =0.3. what is f(x) when x=2.4?
If a number is a Whole Number, then it is a Natural Number.
Answer:
all whole numbers are not natural numbers
Step-by-step explanation:
Can a single interior angle of a polygon equal to more than 180 degrees? Please answer the following questions.
Find out if a polygon with each interior angle values at 150 degrees is a regular polygon.
Find out if a polygon with each interior angle valued at 210 degrees is a regular polygon.
Find out if a polygon with each interior angle valued at 240 degrees is a regular polygon.
Find out if a polygon with each interior angle valued at 360 degrees is a regular polygon.
Answer: 1 yes 2 idk 3 yes 4no 5 no
Step-by-step explanation:
Jonczyk Company is considering two different, mutually exclusive capital expenditure proposals. Project A will cost $454,000, has an expected useful life of 13 years and a salvage value of zero, and is expected to increase net annual cash flows by $68,000. Project B will cost $300,000, has an expected useful life of 13 years and a salvage value of zero, and is expected to increase net annual cash flows by $47,000. A discount rate of 9% is appropriate for both projects. Click here to view PV table.
Calculate the net present value and profitability index of each project. (If the net present value is negative, use either a negative sign preceding the number e.g. -45 or parentheses e.g. (45). Round present value answers to 0 decimal places, e.g. 125 and profitability index answers to 2 decimal places, e.g. 15.52. For calculation purposes, use 5 decimal places as displayed in the factor table provided, e.g. 1.25124.)
Net present value is a measure of profitability. The NPV of an investment is the net cash inflow received over the project's life, less the initial cash outflow, adjusted for the time value of money.
A higher NPV means the project is more lucrative. The profitability index measures the benefit-cost ratio of a project and is calculated by dividing the present value of future cash flows by the initial cash outflow. A profitability index greater than one indicates that the project will be profitable, whereas a profitability index less than one indicates that the project will not be profitable.
Calculation of Net Present Value (NPV) of Project AInitial Outlay = $454,000Net annual cash flows = $68,000Discount Rate = 9%Use the PV of an annuity of $1 table to determine the PV of net cash flows.Using the formula for NPV,NPV of Project A = PV of net cash flows – Initial OutlayNPV of Project A = 68,000 × 7.63930 – 454,000NPV of Project A = $56,201.85Calculation of Profitability Index of Project AProfitability Index of Project A = Present value of future cash flows / Initial OutlayProfitability Index of Project A = 68,000 × 7.63930 / 454,000Profitability Index of Project A = 1.14
Calculation of Net Present Value (NPV) of Project BInitial Outlay = $300,000Net annual cash flows = $47,000Discount Rate = 9%Use the PV of an annuity of $1 table to determine the PV of net cash flows.Using the formula for NPV,NPV of Project B = PV of net cash flows – Initial OutlayNPV of Project B = 47,000 × 6.10338 – 300,000NPV of Project B = $37,100.86Calculation of Profitability Index of Project BProfitability Index of Project B = Present value of future cash flows / Initial OutlayProfitability Index of Project B = 47,000 × 6.10338 / 300,000Profitability Index of Project B = 0.96
The NPV and profitability index calculations show that project A is the better investment since it has a higher NPV and profitability index than project B.
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elliot is going to save $15 per week
Answer:
B. 15-W
hope this helps
have a good day :)
Step-by-step explanation:
Answer:
A.)
Step-by-step explanation:
because if elliot gets 15$ each week the it would be a
Which of the following is TRUE in simple linear regression? A. A residual represents the difference between an observed Y value and predicted X value for a given Y value. B. A residual is always greater than the observed Y value. C. A residual represent the difference between the average X value and the average Y value. D. None of the above.
Option B is correct - A residual is always greater than the observed Y value.
the observed value is always less then the residual.
Simple linear regressionSimple linear regression is a regression model that estimates the relationship between one independent variable and one dependent variable using a straight line. Both variables should be quantitative.
Simple linear regression gets its adjective "simple," because it concerns the study of only one predictor variable. In contrast, multiple linear regression, which we study later in this course, gets its adjective "multiple," because it concerns the study of two or more predictor variables.
Simple linear regression analysis and Multiple regression analysis are different One explanatory variable is used only in simple linear regression.
A residual is always greater than the observed Y value.
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The table shown displays the price-level adjustments for Australia, China, and Mexico as compared to the United States.
Someone who makes $40,000 in the United States would need to earn _______ in Mexico to maintain the same standard of living.
$26,400
Someone who makes $40,000 in the United States would need to earn $26,400 in Mexico
What is an example of a unitary method?
A single or distinct unit is referred to by the word unitary. Therefore, the goal of this strategy is to establish values in reference to a single unit. The unitary technique, for instance, can be used to calculate how many kilometers a car will go on one litre of gas if it travels 44 km on two litres of fuel.
Earning in the United States equals earning in Maxico.
By applying the formula, a person's estimated annual income in the United States is $30303 when their annual income in Mexico is $20,000.
hence when $30303 in United States = $20,000 in Maxico
$40,000 in United States = (20,000/30303) * 40,000 in Maxico = $26400 (Approx)
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What does 0=0 indicate about the solutions of the system?
Answer:
If you end up with 0=0 that indicates that both of the equations are for the same line, meaning there infinite solutions.
Answer: If the elimination produces the equation 0=0, then the two equations are for the same line. This means that there are an infinite number of solutions.We reach a case like 0 = 0 when the equation are similar or same in the system of linear equations.
Can you please help me with this question?
Eliza made a scale drawing of her parents’ convenience store. The scale she used was 1 mm: 6 m. The convenience store’s freezer section is 24 meters in real life. How long is the freezer section in the drawing? (be sure to label your answer)
Answer:
To find out the length of the freezer section in the drawing, we need to use the scale factor of the drawing, which is 1 mm: 6 m.
First, we can set up a proportion to relate the real length of the freezer section to its length in the drawing:
1 mm / 6 m = x mm / 24 m
Here, x represents the length of the freezer section in the drawing that we're trying to find.
To solve for x, we can cross-multiply and simplify:
6 m * x mm = 1 mm * 24 m
x = (1 mm * 24 m) / 6 m
x = 4 mm
Therefore, the length of the freezer section in the drawing is 4 mm.
Select the correct text in the table.
Each phrase in the table describes two variables which are strongly correlated. Select all phrases that imply correlation without causation.
A. The number of stuffed animals produced at a factory and the number of newborn babies
B. The number of hits by a baseball team in a game and the number of runs they score
C. The number of people at a store and the number of coupons given out
D. The amount of snow plows on the street and the amount of snowfall
E. The number of videos rented and the number of new films in theaters
F. The number of pets in a neighborhood and the amount of grass fields nearby
Answer:
A
E
F
Step-by-step explanation:
Answer:
A, E, and F are correct.
Step-by-step explanation:
A correlation is a degree to which two or more quantities are linearly associated. Causation indicates that one event results from the occurrence of the other event; i.e. there is a causal relationship between the two events.
A is a correlation but not causation because the number of newborn babies is not caused or changed by the number of stuffed animals. So A is correct.
B is both correlation and causation because the number of runs a baseball team scores is affected or caused by the number of hits. So B is incorrect.
C is correlation and causation because the number of coupons given out is caused or affected by the number of people at the store. So C is incorrect.
D is correlation and causation because the amount of snow plows on the street is affected or caused by the snowfall. So D is incorrect.
E is a correlation but not causation because the number of videos rented is not affected or changed by the number of new films in theaters. So E is correct.
F is a correlation but not causation because the number of pets in a neighborhood is not affected by the number of grass fields nearby. So F is correct.
The candle company is having its semiannual sale. All items are 40 percent off. If the original price of a candle basket is $120, what is the sale price
A. $36
B. $48
C. $72
D.$84
Please i need answers.
Answer:
It's C
Step-by-step explanation:
120 x 0.4 = 48
120 - 48 = 72
Answer:
C. $72
Step-by-step explanation:
In order to know the answer, you have to know how much is 40% of $120. You can get the answer by using the multiplication operation.
Let's solve.
Let x be the discount of the candle basket.
x = 40% x $120
x = 0.40 x 120
x = $48
Next is to subtract the discount from the original price of the candle basket.
$120 - $48 = $72
The sale price of the candle basket is $72.
A circle has a diameter of 10 inches. What is the circumference of the circle? (Write an exact answer using Pi)
Answer:
31.42 in
Step-by-step explanation:
C=πd=π·10≈31.41593in
In this distribution, how is the mean determined? A. The mean is to the left of the median and mode. B. The mean cannot be identified. C. The mean, median, and mode are all equal. D. The mean is to the right of the median and mode
The mean in this distribution is determined when the mean, median, and mode are all equal (option C).
In a distribution, the mean represents the average value of the data points. It is calculated by summing up all the values and dividing the sum by the total number of data points.
Option A states that the mean is to the left of the median and mode. However, this is not a definitive characteristic of determining the mean in a distribution. The relative positions of the mean, median, and mode can vary in different distributions.Option B suggests that the mean cannot be identified, which is incorrect. The mean can always be calculated using the appropriate formula.
Option C states that the mean, median, and mode are all equal. When this condition is met, it implies that the data is symmetrically distributed. In such cases, the mean will coincide with both the median and the mode.
Option D claims that the mean is to the right of the median and mode. Similar to option A, this is not necessarily true for all distributions. Therefore, the correct answer is option C, where the mean, median, and mode are all equal.
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Which values represent solutions to cos
$(# - x) =
sin x, where x € (0,21)?
(0.7)
0 (0.3
Answer:
C option
Step-by-step explanation:
C is the correct solution of to above equation
Ms. Simone has only graded 8% of her students' history papers. What fraction of the history papers has Ms. Simone graded?
8% = 8/100 = 4/50 = 2/25
Answer:
4/5
Step-by-step explanation:
(8 ÷ 2) / (10 ÷ 2) = 4/5
Does the order pair (1,8) satisfy the function y=3x+6 Yes,No
Answer:
yes it does
Step-by-step explanation:
3. A leaking tap drips water at 0,5 ml/sec. Convert this rate to l/h.
Answer: 1.8 L/h
Step-by-step explanation:
To convert the rate of water dripping from a tap from millilitres per second (ml/sec) to litres per hour (L/h), we need to use conversion factors.
Step 1:
First, let's convert the rate from millilitres per second to litres per second.
There are 1000 millilitres in a litre, so we can divide the rate in millilitres per second by 1000 to get the rate in litres per second:
\(\LARGE \boxed{\textsf{0.5 ml/sec $\div$ 1000 = 0.0005 L/sec}}\)
Step 2:
We can convert the rate from litres per second to litres per hour. There are 3600 seconds in an hour, so we can multiply the rate in litres per second by 3600 to get the rate in litres per hour:
\(\LARGE \boxed{\textsf{0.0005 L/sec $\times$ 3600 = 1.8 L/h}}\)
Therefore, the rate of water dripping from the tap is 1.8 L/h.
----------------------------------------------------------------------------------------------------------
Perform the indicated operation and simplify the result. 9x^(2)-1/12x^(2)-12x divide by 9x^(2)+12x+3/3x^(2)-6x+3 =
Given expression: \(\frac{9x^2 - 1}{12x^2 - 12x} \div \frac{9x^2 + 12x + 3}{3x^2 - 6x + 3}\) . We can simplify the given expression by multiplying the numerator and denominator of the first fraction by (3x-1) and then factorise. So, the simplified expression is \($\frac{3(x-1)^2}{4x(3x+1)(x+1)}$\).
In the second fraction, we can factorise the quadratic expression in the numerator.
= \(\frac{9x^2 - 1}{12x^2 - 12x} \cdot \frac{3x^2 - 6x + 3}{9x^2 + 12x + 3}\)
= \(\frac{(3x-1)(3x+1)}{12x(x-1)} \cdot \frac{3(x^2 - 2x + 1)}{3(3x^2 + 4x + 1)}\)
Simplify the expression.
= \(\frac{(3x-1)(x-1)}{4x(x-1)} \cdot \frac{(x-1)^2}{(3x+1)(x+1)}\)
= \(\frac{3(x-1)}{4x} \cdot \frac{(x-1)}{(3x+1)(x+1)}\)
= \(\frac{3(x-1)^2}{4x(3x+1)(x+1)}\) . Thus, the simplified expression is \($\frac{3(x-1)^2}{4x(3x+1)(x+1)}$\).
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Suppose that a function f has derivatives of all orders at a. The the series ∑ k=0
[infinity]
k!
f (k)
(a)
(x−a) k
is called the Taylor series for f about a, where f(n) is the nth order derivative of f. Suppose that the Taylor series for 1−x
e x
about 0 is a 0
+a 1
x+a 2
x 2
+⋯+a 9
x 9
+⋯ Enter the exact values of a 0
and a 9
in the boxes below. a 0
=
a 9
=
因 송
Therefore, the values of \(a_0\) and \(a_9\) in the Taylor series expansion are: \(a_0 = 1; a_9 = 0.\)
To find the values in the Taylor series expansion of \((1 - x)/e^x\) about 0, we can use the formula for the coefficients of the Taylor series:
\(a_0 = f(0)/0!\\a_9 = f(9)/9!\)
Let's first find f(0):
\(f(0) = (1 - x)/e^x\)
Substituting x = 0:
\(f(0) = (1 - 0)/e^0\)
= 1/1
= 1
Next, let's find f(9):
f(9) = (9th derivative of (1 - x))/9!
To find the 9th derivative, we can repeatedly differentiate (1 - x) with respect to x:
f(x)=0--------------n time
Since all the higher-order derivatives are 0, the 9th derivative is also 0:
f(9) = 0
\(a_0 = f(0)/0!\)
= 1/1
= 1
\(a_9 = f(9)/9!\)
= 0/9!
= 0
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4/-2 simplified
For math not sure how to do it
Answer:
the answer is just -2
Step-by-step explanation:
Answer:
-2
Step-by-step explanation:
U would divide 4 by -2
Find the area of the following quadrilateral.
Answer: 480
Step-by-step explanation:
The quadrilateral ABCD is a trapezium
The formula for area of trapezium is
Area of trapezium = 1/2 × (parallel side 1 + parallel side 2) × h
So we can place the given values into the formula.
We get
Area = 1/2 × (9+15) × 40
Area = 1/2 × 24 × 40
By multiplying all of them we get
Area = 480cm
How is the graph of g(x) = -6x³ +2
related to the graph of f(x) = x³?
The transformations applied to the graph of f(x) = x³ to generate the graph of g(x) = -6x³ + 2 are given as follows:
Reflection over the x-axis.Vertical stretch by a factor of 6.Translation up 2 units.What are the transformations?The functions are given as follows:
f(x) = x³.g(x) = -6x³ + 2.Due to the multiplication by -6, the transformations are given as follows:
Reflection over the x-axis. -> multiplication by negative number.Vertical stretch by a factor of 6. -> multiplication by number with an absolute value of 6.The addition by 2 means that the graph was also translated up 2 units.
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Let $ABCD$ be a regular tetrahedron with side length 2. The plane parallel to edges $AB$ and $CD$ and lying halfway between them cuts $ABCD$ into two pieces. Find the surface area of one of these pieces.
The surface area of one of the pieces formed by the plane parallel to edges AB and CD and lying halfway between them in a regular tetrahedron with side length 2 is **4√3 square units**.
To find the surface area of one of the pieces, we need to calculate the area of the triangular face of the tetrahedron that is cut by the plane.
Since the tetrahedron is regular, all four triangular faces are congruent equilateral triangles. The side length of each triangular face is equal to the side length of the tetrahedron, which is given as 2 units.
To find the area of an equilateral triangle, we can use the formula A = (√3/4) * s^2, where A is the area and s is the side length. Plugging in s = 2 into the formula, we get A = (√3/4) * (2^2) = √3 square units.
Therefore, the surface area of one of the pieces is 4 times the area of the triangular face, which is 4 * √3 = 4√3 square units.
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Parallelogram ABCD is rotated to create image A'B'C'D'.
The transformation rule that describes the rotation from the original parallelogram ABCD to the image parallelogram A'B'C'D' is (x, y) → (–y, x).
The rule that describes the transformation from the original parallelogram ABCD to the image parallelogram A'B'C'D' is (x, y) → (–y, x).
To understand this, let's apply the transformation rule to each vertex of the original parallelogram ABCD:
Point A (2, 5) becomes A' (-5, 2).
Point B (5, 4) becomes B' (-4, 5).
Point C (5, 2) becomes C' (-2, 5).
Point D (2, 3) becomes D' (-3, 2).
By applying the transformation rule, we observe that the x-coordinate of each point becomes the negative of the original y-coordinate, and the y-coordinate becomes the original x-coordinate.
This transformation is a 90-degree counterclockwise rotation about the origin (0, 0) on the coordinate plane. The image parallelogram A'B'C'D' is obtained by rotating the original parallelogram ABCD by 90 degrees counterclockwise.
Visually, this transformation can be seen as the original parallelogram being rotated around the origin, where the x-axis becomes the y-axis, and the y-axis becomes the negative x-axis.
Therefore, the transformation rule that describes the rotation from the original parallelogram ABCD to the image parallelogram A'B'C'D' is (x, y) → (–y, x).
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Find the radius of convergence and the interval of convergence of the power series. \[ \sum_{n=1}^{\infty} \frac{(-1)^{n}(x-3)^{n}}{\sqrt{n}} \]
The given power series is \($\sum_{n=1}^{\infty} \frac{(-1)^{n}(x-3)^{n}}{\sqrt{n}}$\).Let's try to find the radius of convergence of the given series using the ratio test:
We know that
\($R=\lim_{n \to \infty} \frac{a_n}{a_{n+1}}$\) where
\($a_n=\frac{(-1)^{n}(x-3)^{n}}{\sqrt{n}}$\)
Then,\($\frac{a_n}{a_{n+1}} =\frac{\frac{(-1)^{n}(x-3)^{n}}{\sqrt{n}}}{\frac{(-1)^{n+1}(x-3)^{n+1}}{\sqrt{n+1}}}$\)
After simplification, we get:
\(\[\frac{a_n}{a_{n+1}} =\frac{(-1)^{n}(x-3)^{n}}{\sqrt{n}}\times \frac{\sqrt{n+1}}{(-1)^{n+1}(x-3)^{n+1}}\]\[\frac{a_n}{a_{n+1}} =\frac{(x-3)^{n}}{(x-3)^{n+1}} \sqrt{\frac{n+1}{n}}\]\[\frac{a_n}{a_{n+1}} =\frac{1}{(x-3)} \sqrt{\frac{n+1}{n}}\]\)
As per the ratio test, the given power series
\($\sum_{n=1}^{\infty} \frac{(-1)^{n}(x-3)^{n}}{\sqrt{n}}$ converges when: \[R = \lim_{n \to \infty} \frac{a_n}{a_{n+1}} < 1\]\[\frac{1}{(x-3)} \sqrt{\frac{n+1}{n}} < 1\]\)
After simplification, we get:
\(\[\frac{n+1}{n} < (x-3)^2\]\)
Thus, we can say that the radius of convergence is \(${R=1}$.\)
Now let's find the interval of convergence:
After simplification, we get:\(\[n < (x-3)^2 n + (x-3)^2\]\)
By solving the quadratic inequality, we get:\(\[x-3 > -1\]\[x-3 < 1\]\)
Thus, we get the interval of convergence as\($\{2\}\)
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2. Which sequence of transformations takes the graph of y = k(x) to the graph of
y=-k(x + 1)?
A. Translate 1 to the right, reflect over the x-axis, then scale vertically by a factor of 1/2
B. Translate 1 to the left, scale vertically by 1/2 , then reflect over the y-axis.
C. Translate left by 1/2, then translate up 1.
D. Scale vertically by 1/2, reflect over the x-axis, then translate up 1.
The correct answer is option B. Translate 1 to the left, scale vertically by 1/2, then reflect over the y-axis.
What does term "transformation of a graph" means?The process of modifying the shape, location, or features of a graph is often referred to as graph transformation. Graphs are visual representations of mathematical functions or data point connections, often represented on a coordinate plane.
Translations, reflections, rotations, dilations, and other changes to the look of a graph are examples of graph transformations.
For the given problem, Transformation to get the desired result can be carried out as:
Translate '1' to the left: The transformation "x + 1" in "-k(x + 1)" shifts the graph horizontally to the left by 1 unit.Scale vertically by '1/2' : The 1/2 factor in "-k(x + 1)" vertically scales the graph, compressing it vertically.Reflect over the y-axis: The minus sign before "k" in "-k(x + 1)" reflects the graph over the y-axis, flipping it horizontally.Hence, to convert the graph of "y = k(x)" to the graph of "y = -k(x + 1)," the correct sequence of transformations is to translate 1 unit to the left, scale vertically by 1/2, and then reflect across the y-axis, which is option B.
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A flotation device used for swimming lessons is the shape of a rectangular prism. It is 2 1/2 feet wide, 4 1/8 feet long, and 1/2 foot tall. What is the volume of the flotation device? 1. 5 5/32 cubic feet 2. 7 1/8 cubic feet 3. 8 1/32 cubic feet 4. 10 5/16 cubic feet
Answer:
\(V=5\dfrac{5}{32}\ feet^3\)
Step-by-step explanation:
Given that,
The width of prism, b = 2 1/2 feet
Length, l = 4 1/8 feet
Height, h = 1/2 foot
We need to find the volume of the flotation device. The formula for the volume of a rectangular prism is given by :
\(V=lbh\\\\V=\dfrac{5}{2}\times \dfrac{33}{8}\times \dfrac{1}{2}\\\\=\dfrac{165}{32}\ feet^3\\\\=5\dfrac{5}{32}\ feet^3\)
So, the volume of the flotation device is equal to \(5\dfrac{5}{32}\ feet^3\).