Answer:
3291.6 feet
Step-by-step explanation:
To find the circumference, you need to multiply the diameter by π.So: 3480*3.14=10927.2Because you walked 3 times, 1097.2*3=3291.6234567890+45566665333
Answer:
ans is4791233223
Step-by-step explanation:
hope its help u
What's the predicted number of runs for the player with only 86 hits? Show your equations, plugging in the values, and your steps to the solution. (2 points)
The predicted number of runs for the player with only 86 hits can be calculated using the equation Runs = Hits + Walks - Home Runs. Plugging in the values given, we get: Runs = 86 + Walks - Home Runs. Therefore, the predicted number of runs for the player is dependent on the number of walks and home runs they have.
To solve for the predicted number of runs, we can use the following steps:
Therefore, the predicted number of runs for the player with only 86 hits can be calculated by plugging in the values of the number of walks and home runs into the equation Runs = Hits + Walks - Home Runs.
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Aidez-moi svp
Je trouve pas de propriété pour le petit 2. Je sais que l’angle BÂC mesure 69°
Answer:
Si vous résolvez pour un angle de 90°, c’est 21°.
Si vous résolvez pour 180°, c'est 111°
Je me trompe, peu importe
help me pleaseeeeeeeeeeeeeeeeeeeeee!!!!!!!!!!!!!!!!
Answer: omg never seen somthing dat complex :O
Step-by-step explanation:
7y ^3 −7x^3 +4−5+6−3x^3 +6x^3
Combine Like Terms
Answer:
-4x^3 + 7y^3 + 5
Step-by-step explanation:
7y^3 - 7x^3 + 4 - 5 + 6 - 3x^3 + 6x^3 Given
7y^3 - 7x^3 - 3x^3 + 6x^3 + 4 - 5 + 6 Rearrange
7y^3 - 4x^3 + 5 Combine the like terms
or
-4x^3 + 7y^3 + 5 Answer
Y=6*2x for x=-2 evaluate the function
Answer:
Y = -24
Step-by-step explanation:
For this problem, evaluate simply means for each x, replace the value with -2. So, let's do that.
Y = 6*2x
Y = 6*2(-2)
Y = 6*-4
Y= -24
Cheers.
In Chapter 2, we discuss a number of Measures useful to interpreting data, such as Measures of Location, Measures of Variability and Measures of Association between Two Variables. Describe how you might use one or more of these measures to help interpret data generated in a setting (work, school, etc.) from your experience, and how such the measures and interpretation might a) illustrate an important aspect of the of the underlying activity and/or b) indicate an improved way of completing the activity, Measuring or interpreting the data.
In various settings, such as work or school, measures of location, measures of variability, and measures of association can provide valuable insights and aid in interpreting data.
Let's consider an example from a work setting where employee performance data is collected
Measures of location, such as the mean or median, can illustrate an important aspect of employee performance. By calculating the mean performance score, we can identify the average level of performance across the organization. This measure helps us understand the central tendency of the data and provides a benchmark to assess individual employee performance against the average. If the mean performance score is low, it indicates the need for improvement in overall performance.
Measures of variability, such as the standard deviation, can indicate the spread or dispersion of performance scores. A high standard deviation suggests a wide range of performance levels among employees, indicating a lack of consistency. This insight prompts organizations to investigate the underlying factors contributing to the variability and identify areas for improvement in training, resources, or performance management processes.
Furthermore, measures of association, such as correlation coefficients, can help identify relationships between variables. For example, we can explore the correlation between employee performance scores and factors like years of experience, education level, or training hours. Understanding these associations can guide decision-making processes, such as designing targeted training programs for employees who exhibit a lower correlation between training hours and performance.
By applying these measures and interpreting the data, organizations can gain valuable insights into employee performance. This understanding can lead to improved decision-making, such as identifying areas for performance improvement, optimizing resource allocation, and implementing targeted interventions to enhance overall productivity and success within the work setting.
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What is an equation of the line that passes through the points (5,4) and (2,-2)?
Answer:
y = 2x − 6
Step-by-step explanation:
to use the normal approximation for a test of two proportions, n1 p1 , n1 (1 - p1 ), n2 p2 , and n2 (1 - p2 ) must all be greater than what number?
To use the normal approximation for a test of two proportions, n1 p1, n1 (1 - p1), n2 p2, and n2 (1 - p2) must all be greater than or equal to 5.
This is because the normal distribution assumes that the sample size is large enough to approximate the binomial distribution, and the rule of thumb is that each cell (n1 p1, n1 (1 - p1), n2 p2, and n2 (1 - p2)) should have at least 5 expected counts. If any of these cells have fewer than 5 expected counts, then the normal approximation is not reliable and a more appropriate test should be used. It is important to note that this is just a rule of thumb, and other factors such as the size of the effect and the desired level of significance should also be considered when deciding on a statistical test.
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Find the distance between each pair of points (-2,3) , (-7, -7)
Answer:
D = \(5\sqrt{5}\)
Step-by-step explanation:
\(d= \sqrt{(x_2-x_1)^2+(y_2-y_1)^2} \\d= \sqrt{(-7-(-2))^2+(-7-3)^2} \\d= \sqrt{(-5)^2+(-10)^2} \\d= \sqrt{25+100} \\d= \sqrt{125} \\d= 5\sqrt{5}\)
plz help fast (worth 15 pts) A prism and two nets are shown below:
Image of a right triangular prism and 2 nets. The triangle bases have base 4, height 3, and diagonal side 5. The length of the prism from the bases is 9.4. Net A has 3 rectangles in a row. The middle one has sides AC and CD. This middle one has triangle ABC on top and identical triangle below. Net B is the same except that the triangle base ABC is on top of the last rectangle which has sides AC and CD. Units are in inches.
Part A: Which is the correct net for the prism? Explain your answer. (2 points)
Part B: Write the measurements of Sides AB, BC, and CD of the correct net. (4 points)
Part C: What is the surface area of the prism? Show your work. (4 points)
Answer:
This is worth more than 15
Step-by-step explanation:
Image of a right triangular prism and 2 nets. The triangle bases have base 4, height 3, and diagonal side 5. The length of the prism from the bases is 8.6. Net A has 3 rectangles in a row. The middle one has sides AC and CD. This middle one has triangle ABC on top and identical triangle below. Net B is the same except that the triangle base ABC is on top of the last rectangle which has sides AC and CD. Units are in inches.
Step-by-step explanation:
please help me answer this question asap
Answer:
It's quite easy
Step-by-step explanation:
people less than 30 years = frequency of people 0 to 15 + 15 to 30 = 8+15 =23
Therefore there are 23 people less than 30 years old.
pls mark me as brainliest pls.
Click on the measure of angle x.
х
38°
» 152
1)) 142°
() 38°
)) 52°
Answer:
142°
Step-by-step explanation:
\(180^{\circ} - 38^{\circ} = 142^{\circ}\)
The angle x is supplementary to 38° thus it will be 142° so option (B) is correct.
What is an angle?An angle is a geometry in plane geometry that is created by 2 rays or lines that have an identical terminus.
The identical endpoint of the two rays—known as the vertex—is referenced as an angle's sides.
As per the given angle,
x + 38° = 180°
x = 180° - 38° = 142°
Hence "The angle x is supplementary to 38° thus it will be 142°".
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Below you will find pairs of statements A and B. For each pair, please indicate which of the following three sentences are true and which are false: - If A, then B - If B, then A. - A if and only B. (a) A: Polygon PQRS is a rectangle. B : Polygon PQRS is a parallelogram. (b) A: Joe is a grandfather. B : Joe is male. For the remaining items, x and y refer to real numbers. (c) A:x>0B:x 2
>0 (d) A:x<0B:x 3
<0
(a) 1. If A, then B: True
2. If B, then A: False
3. A if and only B: False
(a) If a polygon PQRS is a rectangle, it is also a parallelogram, as all rectangles are parallelograms.
Therefore, the statement "If A, then B" is true. However, if a polygon is a parallelogram, it does not necessarily mean it is a rectangle, as parallelograms can have other shapes. Hence, the statement "If B, then A" is false. The statement "A if and only B" is also false since a rectangle is a specific type of parallelogram, but not all parallelograms are rectangles. Therefore, the correct answer is: If A, then B is true, If B, then A is false, and A if and only B is false.
(b) 1. If A, then B: True
2. If B, then A: False
3. A if and only B: False
(b) If Joe is a grandfather, it implies that Joe is male, as being a grandfather is a role that is typically associated with males. Therefore, the statement "If A, then B" is true. However, if Joe is male, it does not necessarily mean he is a grandfather, as being male does not automatically make someone a grandfather. Hence, the statement "If B, then A" is false. The statement "A if and only B" is also false since being a grandfather is not the only condition for Joe to be male. Therefore, the correct answer is: If A, then B is true, If B, then A is false, and A if and only B is false.
(c) 1. If A, then B: True
2. If B, then A: True
3. A if and only B: True
(c) If x is greater than 0 (x > 0), it implies that x squared is also greater than 0 (x^2 > 0). Therefore, the statement "If A, then B" is true. Similarly, if x squared is greater than 0 (x^2 > 0), it implies that x is also greater than 0 (x > 0). Hence, the statement "If B, then A" is also true. Since both statements hold true in both directions, the statement "A if and only B" is true. Therefore, the correct answer is: If A, then B is true, If B, then A is true, and A if and only B is true.
(d) 1. If A, then B: False
2. If B, then A: False
3. A if and only B: False
(d) If x is less than 0 (x < 0), it does not imply that x cubed is less than 0 (x^3 < 0). Therefore, the statement "If A, then B" is false. Similarly, if x cubed is less than 0 (x^3 < 0), it does not imply that x is less than 0 (x < 0). Hence, the statement "If B, then A" is false. Since neither statement holds true in either direction, the statement "A if and only B" is also false. Therefore, the correct answer is: If A, then B is false, If B, then A is false, and A if and only B is false.
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For box plot data where Q1 = 200, Q2 = 250, and Q3 = 290, the
IQR
The value of IQR is 90 when box plot data where Q₁ = 200, Q₂ = 250, and Q₃ = 290.
Given that,
For box plot data where Q₁ = 200, Q₂ = 250, and Q₃ = 290
We have to find the data of IQR.
We know that,
IQR is define as the variation in the distribution of your data's middle quartile is measured by the interquartile range (IQR). It is the range that corresponds to your sample's middle 50%. Measure the variability where the majority of your numbers are by using the IQR.
IQR Formula is Q₃ - Q₁
So,
Q₃ = 290
Q₁ = 200
Then ,
IQR = Q₃ - Q₁
IQR = 290 - 200
IQR = 90
Therefore, The value of IQR is 90.
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A muffin recipe calls for 2 eggs to make 12 muffins.
If you want to make 36 muffins, what should you do?
Answer:
6 eggs
Step-by-step explanation:
since recipe states that to make 12 muffins you need 2 muffins
2. = 12
represent the unknown with x
2. = 12
x. = 36
Then you'll cross multiply
36 × 2 = 72
12x = 72
x = 72 ÷ 12
x = 6
find the value of x.
Answer: 10.5
Step-by-step explanation:
please complete the following
problem and show all work! Thank you!
(a) Graph f(x) = 2-1 by generating a table of values. (b) Graph the function f(x) = log (x-2) by stating the base function and describing any translations. y -5 4 H 1 4 -5
(a) Using these values, we can plot the points (-2, -5), (-1, -3), (0, -1), (1, 1), (2, 3), and (3, 5) on a coordinate plane. (b) We start with the graph of y = log(x) and translate it 2 units to the right to obtain the graph of f(x) = log(x - 2).
(a) To graph the function f(x) = 2x - 1, we can generate a table of values by choosing different values for x and calculating the corresponding y-values.
Let's choose a range of x-values and calculate the corresponding y-values:
x f(x)
-2 -5
-1 -3
0 -1
1 1
2 3
3 5
Connecting these points with a straight line will give us the graph of the function f(x) = 2x - 1.
(b) To graph the function f(x) = log(x - 2), we first need to identify the base function, which is the logarithmic function with base 10.
The base function y = log(x) is a vertical asymptote at x = 0, and its graph passes through the point (1, 0).
To graph the function f(x) = log(x - 2), we can describe the transformation compared to the base function. The transformation is a translation to the right by 2 units, shifting the vertical asymptote to x = 2. The graph still passes through the point (1, 0), but it is shifted to the right.
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A bookcase 175 cm long has four shelves. Find the cost of the shelves when the price of the lumber is $15.75 per meter.
16. diagonal the perimeter of a rectangle is 32 feet. the length is three times as long as the width. find the length of the diagonal. round to the nearest tenth.
The length of the diagonal is 12.6 feet.
"Information available from the question"
The perimeter of a rectangle is 32 feet.
The length is three times as long as the width.
We have to find the length of the diagonal.
Let w = width
then
3w = length.
Because we know the perimeter:
Perimeter of the rectangle is : 2(l + w)
32 = 2(w + 3w)
32 = 2(4w)
16 = 4w
4 feet = w (width)
Length:
3w = 3(4) = 12 feet
Diagonal, we use the Pythagorean theorem:
Let d = diagonal
then,
\(d^2 = 4^2 + 12^2\)
\(d^2\) = 16 + 144
\(d^2\) = 160
d = 12.6 feet
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11) Forty percent of the homes constructed in the Quail Creek area include a security system. Three homes are selected at random: 1. What is the probability all three of the selected homes have a security system? 2. What is the probability none of the three selected homes have a security system? 3. Did you assume the events to be dependent or independent?
Answer:
1) Pr(all three) = 0.064
2) Pr(none) = 0.216
3) Independent event
Step-by-step explanation:
Let Probability of homes constructed in the Quail Creek area with a security system = Pr (security)
Where Pr = probability
This is a binomial distribution problem. There ate only two outcomes in this distribution: a success and a failure
Where p = success, q = failure
For n trials,
Pr(X = x) = n!/[(n-x)!x!] × p^x × q^(n-x)
Pr (security) = 40% = 0.4
p = 0.4
q = 1-p = 1-0.4 = 0.6
Numbers selected at random = n = 3
See attachment for more details on the workings.
1) Probability all three of the selected homes have a security system = Pr(all three)
Pr(all three) = 1× (0.4)³ (0.6)^0 = 0.4³
= 0.4×0.4×0.4
Pr(all three) = 0.064
2) Probability none of the three selected homes have a security system
= Pr(none)
Pr(none) = 1 × (0.4)^0 × (0.6)³
= 0.6³ = 0.6×0.6×0.6
Pr(none) = 0.216
3) The events were assumed to be independent as the selection of one house doesn't affect the outcome of the selection of another.
Jackson is trying to find the density, in g/cm³, of a block of wood. The block of wood is in the shape of a cuboid. He measures the length as 13.2 cm, correct to the nearest mm the width as 16.0 cm, correct to the nearest mm the height as 21.7 cm, correct to the nearest mm He measures the mass as 1970 g, correct to the nearest 5 g. By considering bounds, work out the density of the wood. Give your answer to a suitable degree of accuracy.
Answer:is tht suga
Step-by-step explanation:
*WILL GIVE BRAINLIEST FOR THE BEST ANSWER NO VIRUS LINKS OR ILL REPORT YOU*
Which of these statements best describes a biased sample?
A. The sample is small
B. The sample has results that are incorrect predictions
C. The sample does not accurately represent the population
D. The sample was chosen randomly
Answer:
C) The sample does not accurately represent the population
Answer:
C
Step-by-step explanation:
If you go to go o g l e and search up "bias sample examples" it will give you examples! I hope I helped :)
Find the intercept and domain, and perform the symmetry test on each of the following ellipsesx^2 + 4y^2 = 4
The given equation of the ellipse is:
\(x^2+4y^2\text{ = 4}\)To find the x intercept, let y = 0
\(\begin{gathered} x^2+4(0)^2\text{ = 4} \\ x\text{ = }\sqrt[]{4} \\ x\text{ = }\pm2 \\ x-\text{intercept = (}\pm2,\text{ 0)} \end{gathered}\)For the y-intercept, let x = 0
\(\begin{gathered} 0^2+4y^2=4 \\ y^2\text{ = }\frac{4}{4} \\ y\text{ = }\sqrt[]{1} \\ y\text{ = }\pm1 \\ y-\text{intercept = (0, }\pm1) \end{gathered}\)For an ellipse of the form:
\(\begin{gathered} \frac{x^2}{a^2}+\frac{y^2}{b^2}=1 \\ \text{The x-domain is from -a and a} \\ \text{The y-domain is from -b and b} \end{gathered}\)The given equation is:
\(\begin{gathered} x^2+4y^2=\text{ 4} \\ \text{Divide through by 4} \\ \frac{x^2}{4}+\frac{y^2}{1}=\frac{4}{4} \\ \frac{x^2}{4}+\frac{y^2}{1}=\text{ 1} \end{gathered}\)\(\begin{gathered} a^2\text{ = 4} \\ a\text{ = }\sqrt[]{4} \\ a\text{ = -2, 2} \\ b^2\text{ = 1} \\ b\text{ = }\sqrt[]{1} \\ b\text{ = -1, 1} \end{gathered}\)The x-domain = (-2, 2)
The y-domain = (-1, 1)
Symmetry test:
For the equation to be symmetriacal to the x-axis, y → -y
\(\begin{gathered} x^2+4y^2\text{ = 4} \\ y^2\text{ = 1 - }\frac{x^2}{4}\ldots\ldots\text{.}(1) \\ \text{Let y = -y} \\ (-y)^2\text{ = 1 - }\frac{x^2}{4} \\ y^2\text{ = 1 - }\frac{x^2}{4}\ldots\ldots\text{.}\mathrm{}(2) \\ \end{gathered}\)Because (1) matches with (2), the equation is symmetrical to the x-axis
For the equation to be symmetrical to the y-axis, x → -x
\(\begin{gathered} x^2+4y^2\text{ = 4}\ldots..(1) \\ \text{Let x = -x} \\ (-x)^2+4y^2\text{ = 4} \\ x^2+4y^2\text{ = 4}\ldots.(2) \end{gathered}\)Since (1) matches with (2), the equation is symmetrical to the y-axis
For the equation to be symmetrical to the origin, x→-x, y→-y
\(\begin{gathered} (-x)^2+4(-y)^2\text{ = 4} \\ x^2+4y^2\text{ = 4} \end{gathered}\)The equation is symmetrical to the origin
Therefore, according to the symmetry test, the equation given is symmetrical to the x-axis, y-axis, and the origin
Each week, Heather’s company has $5000 in fixed costs plus an additional $250 for each system produced. The company is able to produce 5 systems in one hour of production, and h represent the number of hours in production
Part a] write functions c(n) and n(h) to model this situation, explain what they represent
Part b] Then write a function c(n(h)) to represent the coat incurred in h hours. Show the work or explain the reasoning used to determine the answer
Part c] Find c(n(100)).
Part d] interpret your solution to part c
The question is an illustration of composite functions.
Functions c(n) and h(n) are \(\mathbf{c(n) = 5000 + 250n}\) and \(\mathbf{n(h) = 5h}\)The composite function c(n(h)) is \(\mathbf{c(n(h)) = 5000 + 1250h}\)The value of c(n(100)) is \(\mathbf{c(n(100)) = 130000}\)The interpretation is: "the cost of working for 100 hours is $130000"The given parameters are:
$5000 in fixed costs plus an additional $2505 systems in one hour of production(a) Functions c(n) and n(h)
Let the number of system be n, and h be the number of hours
So, the cost function (c(n)) is:
\(\mathbf{c(n) = Fixed + Additional \times n}\)
This gives
\(\mathbf{c(n) = 5000 + 250 \times n}\)
\(\mathbf{c(n) = 5000 + 250n}\)
The function for number of systems is:
\(\mathbf{n(h) = 5 \times h}\)
\(\mathbf{n(h) = 5h}\)
(b) Function c(n(h))
In (a), we have:
\(\mathbf{c(n) = 5000 + 250n}\)
\(\mathbf{n(h) = 5h}\)
Substitute n(h) for n in \(\mathbf{c(n) = 5000 + 250n}\)
\(\mathbf{c(n(h)) = 5000 + 250n(h)}\)
Substitute \(\mathbf{n(h) = 5h}\)
\(\mathbf{c(n(h)) = 5000 + 250 \times 5h}\)
\(\mathbf{c(n(h)) = 5000 + 1250h}\)
(c) Find c(n(100))
c(n(100)) means that h = 100.
So, we have:
\(\mathbf{c(n(100)) = 5000 + 1250 \times 100}\)
\(\mathbf{c(n(100)) = 5000 + 125000}\)
\(\mathbf{c(n(100)) = 130000}\)
(d) Interpret (c)
In (c), we have: \(\mathbf{c(n(100)) = 130000}\)
It means that:
The cost of working for 100 hours is $130000
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Plzz help Drag each graph to the correct location on the table.
The points on the graphs represent relations. Classify these relations according to whether or not they are functions.
Answer:
Functions: Second Graph
The other two are not. Use the vertical line test. I'm pretty sure but not 100%
Step-by-step explanation:
the size of a sample designed for dual-purpose testing should be
The size of a sample designed for dual-purpose testing should be determined based on several factors, including the specific objectives of the testing, the desired level of confidence, the acceptable margin of error, and the variability of the population being tested.
Dual-purpose testing typically involves testing for multiple purposes or criteria simultaneously, such as both quality control and compliance assessment.
In such cases, it is important to consider the requirements and constraints of each purpose and determine an appropriate sample size that satisfies both objectives.
To determine the sample size, statistical techniques can be used, such as power analysis or sample size calculation formulas.
These methods take into account the significance level, desired power, effect size, and variability of the variables under consideration. The specific formulas or approaches used may vary depending on the nature of the data and the statistical test being performed.
It is essential to strike a balance between the sample size and the resources available for testing.
A larger sample size generally provides more precise results but may require more time, effort, and resources. Conversely, a smaller sample size may be more practical but could result in less precise estimates.
Ultimately, the appropriate sample size for dual-purpose testing should be determined through careful consideration of the specific objectives, statistical requirements, available resources, and the trade-off between precision and practicality.
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A sorting algorithm takes 1 second to sort 1000 items on your local machine. How long would you expect it to take to sort 10 000 items (a) if you believe that the algorithm takes a time roughly proportional to n2, and (b) if you believe that the algorithm takes a time roughly proportional to n log n?
(a) If we believe that the algorithm takes a time roughly proportional to n^2, then we can use the following proportion:
1 second is to 1000^2 as x seconds is to 10000^2
1 : 1000000 :: x : 100000000
Cross-multiplying, we get:
x = (1 * 100000000) / 1000000
x = 100 seconds
So, we would expect it to take 100 seconds to sort 10,000 items using this algorithm.
(b) If we believe that the algorithm takes a time roughly proportional to n log n, then we can use the following equation:
T(n) = k * n log n
where T(n) is the time it takes to sort n items, and k is a constant of proportionality that we don't know.
We can solve for k using the fact that the algorithm takes 1 second to sort 1000 items:
1 = k * 1000 log 1000
1 = k * 3000
k = 1/3000
Now, we can use this value of k to find the time it takes to sort 10,000 items:
T(10000) = (1/3000) * 10000 log 10000
T(10000) ≈ 42 seconds
So, we would expect it to take about 42 seconds to sort 10,000 items using this algorithm.
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What is the surface area of this cylinder? Use 3.14 and round your answer to the nearest hundredth. 8 ft 15 ft
The surface area of the cylinder is 1155.52 square ft if the radius and height of the cylinder are 8 ft and 15 ft.
What is a cylinder?In geometry, it is defined as the three-dimensional shape having two circular shapes at a distance called the height of the cylinder.
We know the volume of the cylinder is given by:
\(\rm V = \pi r^2 h\)
The surface area of the cylinder:
\(\rm A =2\pi rh+2\pi r^2\)
r = 8 ft
h = 15 ft
\(\rm A =2\pi (8)(15)+2\pi (8)^2\)
A = 1155.52 square ft
Thus, the surface area of the cylinder is 1155.52 square ft if the radius and height of the cylinder are 8 ft and 15 ft.
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can anyone pls tell me what exam mode is cause I don't know what it is
With the exam mode, the devices of the students can be rapidly returned to their initial state, or show only certain functions which are allowed for exams. The Procter defines the exam time, the angular and the password (not visible), with which he prematurely can terminate the exam mode.
There are different kinds of modes. The description of the Examination Mode is explained below;
What is the Examination Mode?The Examination Mode is known to be the mode that helps on to be able to prepare one's calculator fast for any exams. Here, the User data which is the main memory is known to be backed up.
Due to this exam mode, the devices of the students can be quickly returned to their normal state, or show only the required functions that is often allowed for exams. The Exam mode is set up in a way to encourage your exam.
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