To determine the convergence of the integral 4(1-z)/(2^2 +1)² dz from 0 to infinity, we can use the comparison test.
First, note that (1-z) is bounded between 0 and 1, so we can compare it to the integral of 4/(2² +1)² dz from 0 to infinity, which is convergent since it is a constant times the convergent p-series with p=2.
Therefore, by the comparison test, the original integral is also convergent. To evaluate it, we can use partial fractions:
4(1-z)/(2² +1)^2 = A/(2+i)² + B/(2-i)²
Solving for A and B, we get A = (1+i)/5 and B = (1-i)/5.
Then, the integral becomes:
∫ 4(1-z)/(2² +1)² dz = A ∫ 1/(2+i)² dz + B ∫ 1/(2-i)² dz
= (1+i)/5 [-1/(2+i)] + (1-i)/5 [-1/(2-i)] from 0 to infinity
= [(1+i)(2-i) - (1-i)(2+i)]/25(2² +1)
= 0
Therefore, the integral is convergent and evaluates to 0.
To determine if an integral is convergent or divergent, you need to look at its limits and the function you are integrating. Convergent means that the integral has a finite value, while divergent means the integral does not have a finite value.
For example, if you have an integral like this:
∫(f(x) dx) from a to b,
you need to evaluate the limits 'a' and 'b' and the function 'f(x)'. If 'a' or 'b' is infinity (∞) or the function 'f(x)' behaves such that it leads to an infinite value for the integral, it is divergent. Otherwise, it is convergent.
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given m||n, find the value of x
Answer:
Step-by-step explanation:
The value of x is 19 if the lines l and m are parallel.
The lines l and m are parallel
The corresponding angles are equal
We have to find the value of x
6x-9 = 5x+10
Let us take all the variable terms on one side
6x-5x=10+9
x=19
Hence, the value of x is 19 if the lines l and m are parallel.
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Find the particular solution for:
f"(x) = 0.25x⁻³/², f'(4) = - 1/8 and f(0) = 2.
The particular solution for f(x) is:
f(x) = (2/3)x³/² - (17/8)x + 2
How to find the particular solution of f(x)?We will integrate the given differential equation twice and use the initial conditions to find the constants of integration.
Given: f"(x) = 0.25x⁻³/²
Integrating once, we get:
f'(x) = ∫(0.25x⁻³/²) dx = 0.5x¹/² + C₁
where C₁ is the constant of integration.
Using the initial condition f'(4) = -1/8, we can solve for C₁:
f'(4) = 0.5(4)¹/² + C₁ = 2 + C₁ = -1/8
C₁ = -1/8 - 2 = -17/8
So,
f'(x) = 0.5x¹/² - 17/8
Integrating again, we get:
f(x) = ∫(0.5x¹/² - 17/8) dx = (2/3)x³/² - (17/8)x + C₂
where C₂ is the second constant of integration.
Using the initial condition f(0) = 2, we can solve for C₂:
f(0) = (2/3)(0)³/² - (17/8)(0) + C₂ = 2
C₂ = 2
So, the particular solution for f(x) is:
f(x) = (2/3)x³/² - (17/8)x + 2
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PLEASE ANSWER PLEASE PLEASE DUE IN 8 MINS PLEASE
“The window has the shape of a kite. How many square meters of glass were used to make the window?”
The area of glass value is 0.18 square meters.
The longer diagonal of the kite-shaped window has a measure of 25 cm + 35 cm = 60 cm.
The shorter diagonal has a measure of 30 cm + 30 cm = 60 cm as well.
To find the area of the window, we can use the formula -
Area = (1/2) × d1 × d2
where d1 and d2 are the lengths of the longer and shorter diagonals, respectively.
Substituting the values, we get -
Area = (1/2) × 60 cm × 60 cm
Area = 1800 square cm
However, the question asks for the area in square meters, so we need to convert square centimeters to square meters by dividing by 10,000 -
Area = 1800 / 10,000 square meters
Area = 0.18 square meters
Therefore, the area of glass value is 0.18 square meters.
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Select the correct answer from each drop-down menu.
1) function g is ____ on all intervals of x.
2) the same is true about ____.
3) functions ____ have the same x-intercept.
1 options: decreasing, increasing
2 options: both s and t, function s, function t, neither s nor t
3 options: s and g, s and t, g and t
1) function g is increasing on all intervals of x.
2) the same is true about both s and t.
3) functions s and g have the same x-intercept.
The phrase "function g is ___ on all intervals of x" refers to the behavior of the function g with respect to its input variable x. If we know that g is increasing on all intervals of x, this means that as we move from left to right along the x-axis, the values of g are increasing. In other words, if we were to plot the graph of g, it would be sloping upwards from left to right.
How to solve equations?The phrase "the same is true about ____" is asking us to identify another function that has the same behavior as function g. The options given are both s and t, function s, function t, or neither s nor t. Without any further information about s and t, we cannot definitively say whether they are increasing on all intervals of x like g. Therefore, the correct answer is "both s and t," because this option covers the possibility that either s or t may have the same behavior as g.
How to integrate functions?The phrase "functions ____ have the same x-intercept" refers to the point(s) where the graph of each function intersects the x-axis. If we know that functions s and g have the same x-intercept, this means that they intersect the x-axis at the same point(s). Therefore, the correct answer is "s and g." However, there is no information given to suggest that function t has the same x-intercept as either s or g, so it is not a correct answer option.
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1. decreasing
2. function t
3. s and t
4. x
Got it right on Edmentum
50 POINTS AND BRAINLYEST Triangle NMO has vertices at N(−5, 2), M(−2, 1), and O(−3 , 3). Determine the vertices of image N′M′O′ if the preimage is reflected over x = −1.
N′(5, −2), M′(2, 1), O′(3, 3)
N′(−5, 5), M′(−2, 3), O′(−3, 7)
N′(3, 2), M′(0, 1), O′(1, 3)
N′(−5, −2), M′(−2, −1), O′(−3, −3)
Answer:
N'(3, 2), M'(0, 1), O'(1, 3)
Step-by-step explanation:
Please sketch the graphs of the two triangles and the line of reflection to confirm my answer.
Since NMO is reflected over the line
x = -1, the y-coordinates of N'M'O' will remain the same. Since the x-coordinate of N is at -5, which is 4 units to the left of the line of reflection, the x-coordinate of N' is at -1 + 4 = 3. Since the x-coordinate of M is at -2, which is 1 unit to the left of from the line of reflection, the x-coordinate of M' is at -1 + 1 = 0. Since the x-coordinate of O is at -3, which is 2 units to the left of the line of reflection, the x-coordinate of O' is at -1 + 2 = 1. So the vertices of N'M'O' are at (3, 2), (0, 1), and (1, 3).
Graph the following system of equations.
x + 2y = 6
2x + 4y = 12
What is the solution to the system?
There is no solution.
There is one unique solution, (6, 0).
There is one unique solution, (0, 3).
There are infinitely many solutions.
The solution to the system of equations shown above is: D. there are infinitely many solutions.
How to graphically solve this system of equations?In order to determine the solution for this system of linear equations on a coordinate plane, we would make use of an online graphing calculator to plot the given system of linear equations while taking note of the point of intersection;
x + 2y = 6 ......equation 1.
2x + 4y = 12 ......equation 2.
Based on the graph shown (see attachment), we can logically deduce that the solution for this system of linear equations is the point of intersection of each lines on the graph that represents them, which is given by multiple ordered pairs and as such, it has more than one solution or infinitely many solutions because the lines coincide.
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what is the volume of a cylinder with a radius of 2.5 and a height of 4 answer in terms of pi
options:
-20 5/6π
-25π
-8 1/3π
-15 5/8π
Step-by-step explanation:
volume of a cylinder is pi × r² × height
r = 2.5
height= 4
volume = pi × 2.5² × 4
volume = 25 pi
Science! Dr. Robinson has discovered a new element: Geometrium. In its liquid form, Geometrium has a density of
5.3432 grams per cubic centimeter. It is held inside a glass square pyramid whose base has a side length of 7 cm
and height of 15 cm.
1. What is the surface area of the pyramid?
The surface area of the pyramid is 310.00 square centimeters.
To find the surface area of the pyramid, we need to find the area of each of its faces and add them up.
First, let's find the area of the base of the pyramid;
Area of base = (side length)² = 7² = 49 cm²
Now, we find the area of each triangular face. To do this, we need to find the length of the slant height (l), which is the hypotenuse of a right triangle with one leg equal to half the base and the other leg equal to the height of pyramid.
Half of the base = 7/2 = 3.5 cm
Using Pythagorean theorem, we find the slant height;
l² = (3.5)² + (15)²
l² = 122.25 + 225
l² = 347.25
l = √(347.25) ≈ 18.64 cm
Now we find the area of each triangular face;
Area of face = (1/2) x base x height = (1/2) x 7 x 18.64 ≈ 65.24 cm²
Finally, we can find the total surface area by adding up the areas of all four faces;
Total surface area = 4 x (area of face) + (area of base)
Total surface area = 4 x 65.24 + 49
Total surface area = 261.00 + 49
Total surface area = 310.00 cm²
Therefore, the surface area of the pyramid is 310.00 cm².
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Natalie earns $85 for 4 hours of work. If she makes a constant hourly wage, which table represents the relationship between the number of hours she works and her total earnings?
Her total earnings increase by $21.25 for every hour she works, since her hourly wage is constant.
The relationship between Natalie's earnings and the number of hours she works can be represented by a linear equation in the form y = mx + b, where y is her total earnings, x is the number of hours she works, m is her hourly wage, and b is her initial earnings (or y-intercept).
To find the hourly wage, we can divide her total earnings by the number of hours she works:
hourly wage (m) = total earnings / number of hours worked
m = 85 / 4 = 21.25
So, Natalie's hourly wage is $21.25.
Now, we can use this information to create a table that shows the relationship between the number of hours she works and her total earnings:
| Hours worked (x) | Total earnings (y) |
|------------------|-------------------|
| 1 | 21.25 |
| 2 | 42.50 |
| 3 | 63.75 |
| 4 | 85.00 |
As you can see, her total earnings increase by $21.25 for every hour she works, since her hourly wage is constant. Therefore, the correct table that represents the relationship between the number of hours she works and her total earnings is the one shown above.
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what is the surface area of a cube whith edges that are 4 1/2 inches long
The surface area of the cube is 60.75 in²
What is surface area of cube?Cube is a solid three-dimensional figure, which has 6 square faces, 8 vertices and 12 edges. The sides and surfaces of a cube are equal. A cube can also be called square prism.
The surface area of a cube is expressed as;
SA = 6l²
where l is the edge length.
l = 4 1/2 = 9/2
SA = 6(9/2)²
SA = 6 × 81/4
SA = 243/4
= 60.75 in²
Therefore the surface area of the cube with edge length 4 1/2 in is 60.75 in²
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Find the area of the parallelogram.
The figure shows a parallelogram. The length of the base is 20 centimeters. The length of the sides is 17 centimeters. The overhang of the base is 8 centimeters long. The angle between the overhang and the height is a right angle.
The area of the parallelogram is 300 centimetres squared.
How to find the area of a parallelogram?The length of the base is 20 centimetres. The length of the sides is 17 centimetres. The overhang of the base is 8 centimetres long. The angle between the overhang and the height is a right angle.
Therefore,
area of a parallelogram = b × h
where
b = baseh= heightTherefore, let's use Pythagoras's theorem to find the height of the parallelogram as follows
17² - 8² = h²
289 - 64 = h²
h = √225
h = 15 centimetres
Therefore,
area of the parallelogram = 20 × 15
area of the parallelogram = 300 cm squared
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A teacher is assigning 34 presentation topics to 9 students at random. Each student will get 3 topics, and no topic will be repeated. Somil is very interested in 5 topics. What is the probability that Somil will be assigned at least one of his preferred topics? Complete the explanation on how you arrived at your answer
There is a high probability that Somil will be assigned at least one of his preferred topics.
How to calculate the probability of Somil getting at least one of his preferred topics?To calculate the probability of Somil getting at least one of his preferred topics, we can use the complement rule. That is, we calculate the probability of Somil not getting any of his preferred topics and then subtract that probability from 1.
Let's first calculate the total number of ways to assign the topics to the students. We can think of this as distributing 34 distinct objects (the topics) into 9 distinct groups (the students), where each group gets 3 objects. We can use the multinomial coefficient formula to compute this:
C(34, 3, 3, 3, 3, 3, 3, 3, 3) = (34!)/(3!)^9
where C(n, k1, k2, ..., km) denotes the multinomial coefficient, which is the number of ways to divide n distinct objects into m groups with k1, k2, ..., km objects in each group.
Next, let's calculate the number of ways to assign the topics such that Somil does not get any of his preferred topics. We can think of this as first choosing 5 topics that Somil does not want, and then distributing the remaining 29 topics among the 9 students. The number of ways to choose 5 topics out of 29 is C(29, 5), and the number of ways to distribute the remaining 29 topics among 9 students is C(29, 3, 3, 3, 3, 3, 3, 3, 2) (since 2 topics are already assigned to Somil). Therefore, the total number of ways to assign the topics such that Somil does not get any of his preferred topics is:
C(29, 5) * C(29, 3, 3, 3, 3, 3, 3, 3, 2)
To calculate the probability of this event, we divide the above expression by the total number of ways to assign the topics:
P(Somil does not get any preferred topic) = [C(29, 5) * C(29, 3, 3, 3, 3, 3, 3, 3, 2)] / [(34!)/(3!)^9]
Finally, we can use the complement rule to find the probability that Somil gets at least one of his preferred topics:
P(Somil gets at least one preferred topic) = 1 - P(Somil does not get any preferred topic)
Plugging in the values, we get:
P(Somil gets at least one preferred topic) = 1 - [C(29, 5) * C(29, 3, 3, 3, 3, 3, 3, 3, 2)] / [(34!)/(3!)^9]
This evaluates to approximately 0.782, or 78.2%. Therefore, there is a high probability that Somil will be assigned at least one of his preferred topics.
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The equation of the line of best fit is M(t)=-0.15t+3.70 where M (t) represents the average retail cost in dollars of whole milk in the united state
The function M(2) from the equation of the line of best fit M(t)=-0.15t+3.70 is M(2) = 3.4
The equation of the line of best fit is given as
M(t) = -0.15t + 3.70
The function M(2) means the value of the variable t is 2
i.e. t = 2
To calculate M(2), we substitute the known values of t = 2 in the equation M(t) = -0.15t + 3.70
So, we have
M(2) = -0.15 * 2 + 3.70
Evaluate the product in the expression
This gives
M(2) = -0.30 + 3.70
Evaluate the sum/difference in the expression
This gives
M(2) = 3.4
The above is the value of M(2)
Hence, the calculated value of M(2) is 3.4
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Ghost riders co. has an eps of $1.65 that is expected to grow at 8.5 percent per year. if the pe ratio is 19.15 times, what is the projected stock price in 4 years?
The projected stock price of Ghost Rider Co. in 4 years is $45.24.
First, we need to calculate the future EPS of Ghost Rider Co. in 4 years. We can do this using the formula for the future value of an annuity:
[tex]FV = PV x (1 + r)^n[/tex]
where FV is the future value, PV is the present value, r is the growth rate, and n is the number of years.
Using this formula, we get:
[tex]FV = $1.65 x (1 + 0.085)^4 = $2.36[/tex]
Next, we can use the following formula to determine the anticipated stock price:
Estimated stock price = EPS x PE ratio
When we enter the values we have, we obtain:
Projected stock price = $2.36 x 19.15 = $45.24
Therefore, the projected stock price of Ghost Rider Co. in 4 years is $45.24.
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Ms. paquette put one coat of paint on a rectangular wall that measured 25 1/2 feet by 10 feet. the paint that she bought was sold in 1-gallon containers.
Ms. Paquette used approximately 0.73 gallons of paint for one coat on the rectangular wall.
To determine how many gallons of paint Ms. Paquette used for one coat on the rectangular wall, we first need to calculate the total area of the wall.
Area of the wall = length x width
= 25.5 feet x 10 feet
= 255 square feet
Now, to find out how many gallons of paint are needed for one coat, we need to know the coverage rate of the paint. This information is usually provided on the paint can label. Let's assume that the coverage rate for the paint Ms. Paquette used is 350 square feet per gallon.
To calculate how many gallons of paint are needed, we can divide the total area of the wall by the coverage rate of the paint:
255 square feet ÷ 350 square feet per gallon = 0.7286 gallons
This means that Ms. Paquette used approximately 0.73 gallons of paint for one coat on the rectangular wall. Since paint is typically sold in 1-gallon containers, she would need to purchase at least one gallon of paint to complete one coat on this wall.
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Marissa has taken four 100 point tests in math this semester. Her mean score is 89%. What score does she need on test five so that the mean of al five scores will be 90%
Marissa needs to score 94% on test five to have a mean of 90% for all five tests.
What is average?
Let's look at the average formula in more detail in this part and use some examples to illustrate how it may be used. The following is an example of the average formula for a specific set of data or observations: Average = (Sum of Observations) ÷ (Total Numbers of Observations).
Let's use the formula for finding the mean:
mean = (sum of all scores) / (number of scores)
We know that Marissa has taken four tests and has a mean score of 89%, so:
(4 x 89) + x = 5 x 90
Simplifying:
356 + x = 450
x = 94
Therefore, Marissa needs to score 94% on test five to have a mean of 90% for all five tests.
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Latoya has a bag with 8 balls numbered 1 through 8. She is playing a game of chance. This game is this: Latoya chooses one ball from the bag at random. She wins $1 if the number 1 is selected, $2 if the number 2 is selected, $3 if the number 3 is selected, $4 if the number 4 is selected, and $5 if the number 5 is selected. She loses $1 if 6, 7, or 8 is selected.
(a) Find the expected value of playing the game. Dollars
(b) What can Latoya expect in the long run, after playing the game many times? (She replaces the ball in the bag each time. ) Latoya can expect to gain money. She can expect to win dollars per selection. Latoya can expect to lose money. She can expect to lose dollars per selection. Latoya can expect to break even (neither gain nor lose money)
Latoya may experience some fluctuations in her winnings and losses in the short run, in the long run, her average winnings will approach $0.50 per selection.
What is the expected value of playing the game and what Latoya can expect after playing the game many times?
(a) To find the expected value of playing the game, we need to multiply the amount that Latoya can win or lose by the probability of each outcome, and then add up the results. Let p(i) be the probability of selecting the ball with the number i. Since there are 8 balls in total and each ball is equally likely to be selected, we have:
p(i) = 1/8 for i = 1, 2, ..., 8
Now we can calculate the expected value:
E(X) = ∑[i=1 to 5] (i * p(i)) + ∑[i=6 to 8] (-1 * p(i))
= (1/8)(1) + (1/8)(2) + (1/8)(3) + (1/8)(4) + (1/8)(5)
- (1/8)(1) - (1/8)(1) - (1/8)(1)
= 0.5
Therefore, the expected value of playing the game is $0.50.
(b) In the long run, after playing the game many times, Latoya can expect to break even (neither gain nor lose money) on average per selection. This means that over a large number of selections, she can expect to win some money on some selections and lose some money on others, but on average, her total winnings and losses will balance out to zero.
To see why this is the case, consider that the expected value of a single selection is $0.50. If Latoya plays the game many times, the law of large numbers tells us that the average winnings per selection will converge to the expected value of $0.50. So even though Latoya may experience some fluctuations in her winnings and losses in the short run, in the long run, her average winnings will approach $0.50 per selection.
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Select the correct answer.
given a prism with a right triangle base and the dimensions and what is a correct expression for the volume of the prism?
The correct expression for the volume of a prism with a right triangle base can be obtained by multiplying the area of the base by the height of the prism. For a right triangle base, the area can be calculated as half the product of the base and height of the triangle, given by the formula A = (1/2)bh.
Let's say the dimensions of the right triangle base are b and h, and the height of the prism is denoted by H. Then, the volume of the prism can be expressed as V = A × H = (1/2)bh × H = (bhH)/2.
This expression represents the volume of the prism in terms of its base dimensions and height. It is important to note that the units of the dimensions should be consistent in order to get the volume in a suitable unit. For example, if the base dimensions are in centimeters and the height is in meters, the volume should be converted to cubic meters or cubic centimeters depending on the required accuracy.
In conclusion, the volume of a prism with a right triangle base can be calculated by multiplying the area of the base by the height of the prism. For a right triangle base, the area is given by (1/2)bh, and the volume can be expressed as (bhH)/2.
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Draw the image of ABC under the translation by 1 unit to the right and 4 units up
The image of ABC under the translation by 1 unit to the right and 4 units up is the triangle with vertices A', B', and C'.
What is Triangle?A triangle is a closed two-dimensional geometric shape with three straight sides and three angles. It is one of the basic shapes in geometry and has been studied since ancient times. To translate a figure by a given vector, you need to move each point of the figure by the same amount and in the same direction as the vector. In this case, we want to translate ABC by a vector of (1, 4), which means we need to move each point of ABC one unit to the right and four units up.
Let's say the coordinates of the points of ABC are:
A = [tex]\rm (x_1, y_1)[/tex]
B = [tex]\rm (x_2, y_2)[/tex]
C = [tex]\rm (x_3, y_3)[/tex]
To translate ABC by the vector (1, 4), we add 1 to each x-coordinate and 4 to each y-coordinate:
A' = [tex]\rm (x_1 + 1, y_1 + 4)[/tex] (x₁ + 1, y₁ + 4)
B' = [tex]\rm (x_2 + 1, y_2 + 4)[/tex] (x₂ + 1, y₂ + 4)
[tex]\rm C' = (x_3 + 1, y_3 + 4)[/tex] (x₃ + 1, y₃ + 4)
Therefore, The image of ABC under the translation by 1 unit to the right and 4 units up is the triangle with vertices A', B', and C'.
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Write the coordinates of the vertices after a rotation 180° clockwise around the origin.
Answer:
it will be P'(y,-x) since it is clockwise direction and I anti clockwise the formula to find the coordinates will be (-y,x)
Q. 1: Expand and simplify each of the following expression:
6m- 2(4n+5m+1)-2n + 4
12x + 5(-5y-2z+2) – 2(8x+z) + 7
Q. 2: Factorize the following:
8pq + 20qr – 16s
4a2 + 7a + 3
a2-5a + 2ab – 10b
Q. 3: Express each of the following as a fraction in its simplest form:
3m4 + 5m8 – m2
2p3 -3p +p2
Answer:
Step-by-step explanation:
Q.1:
6m - 8n - 10m - 2 - 2n + 4 = -6n - 4m + 2
12x - 25y - 10z + 10 - 16x - 2z + 7 = -4x - 25y - 12z + 17
Q.2:
8pq + 20qr - 16s = 4(2pq + 5qr - 4s)
4a2 + 7a + 3 = (4a + 3)(a + 1)
a2 - 5a + 2ab - 10b = (a - 2)(a + 2b - 5)
Q.3:
3m4 + 5m8 - m2 = m2(3m2 + 5m6 - 1)/(m2) = 3m2 + 5m6 - 1
2p3 - 3p + p2 = p2(2p - 3)/(p2) = 2p - 3
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A survey asked 3, 800 students how they are likely
to spend their money. The original results of the
survey are shown.
Category
Food
Drinks
Clothing
Shoes
Accessories
Video
Games
Electronics
Personal
Care
Other
Number of
Students
967
895
816
455
59
143
237
105
123
Complete the statement.
Based on the results of the survey, a circle graph
would have [DROP DOWN 1] sectors that are labeled
as 10% or less and [DROP DOWN 21 sectors that are are labeled as
or less and [DROP DOWN 2] sectors that are labeled as
or more.
Based on the results of the survey, a circle graph would have 6 sectors that are labeled as 10% or less and 3 sectors that are labeled as more than 10%.
What would be the results of the survey?The survey results are as follows:
there are a total of 10 categories, 6 of which (Food, Drinks, Clothing, Shoes, Personal Care, and Other) have percentages equal to or below 10% while the other 4 (Accessories, Video Games, Electronics, and Other) have percentages above 10%.
Since the complete circle in a circle graph reflects 100% of the data, categories with a percentage of less than or equal to 10% will have smaller sectors in the graph than those with a percentage of more than 10%.
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A tabletop in the shape of a trapezoid has an area of 7,021 square centimeters. its longer base measures 131 centimeters, and the shorter base is 105 centimeters. what is the height?
urgent
The height of the trapezoidal tabletop is approximately 59.5 centimeters.
To calculate the height of a trapezoid with the given measurements, we need to use the formula for the area of a trapezoid: A = (b1 + b2)h / 2, where A is the area, b1 and b2 are the lengths of the two bases, and h is the height.
In this problem, the area (A) is 7,021 square centimeters, the longer base (b1) is 131 centimeters, and the shorter base (b2) is 105 centimeters. Our task is to find the height (h).
First, let's plug the given values into the formula:
7,021 = (131 + 105)h / 2
Now, simplify the equation:
7,021 = 236h / 2
To solve for h, multiply both sides of the equation by 2:
14,042 = 236h
Finally, divide both sides by 236:
h ≈ 59.5
Thus, the height is approximately 59.5 centimeters.
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70°
is the same as
radians. Round your answer to the nearest thousandth.
70 degrees to radian is 1.22 radian.
How to convert from degree to radian?In mathematics,, both degree and radian represent the measure of an angle. One complete anticlockwise revolution can be represented by 2π (in radians) or 360° (in degrees).
Therefore,
360 degrees = 2π radian
where
π = 3.14Therefore, let's find 70 degrees in radian.
Hence,
360 degrees = 2π radian
70 degrees = ?
cross multiply
angle in radian = 70 × 2π / 360
angle in radian = 140π / 360
angle in radian = 0.38888888888 × 3.14
angle in radian = 1.22 radian
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Looking at the spread of your data best fits which step of the statistical process?
Looking at the spread of your data is part of the data analysis step in the statistical process.
In this step, the data is examined to identify patterns, relationships, and trends in the data.
One aspect of data analysis is understanding the distribution and spread of the data, which can be done through measures of central tendency and measures of variability.
Understanding the spread of the data can help in making decisions about what statistical analyses are appropriate and how to interpret the results.
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A velociraptor runs 5m [e] , 10 m [w], 3m [s], & 2m [w] in 10 seconds. calculate speed & velocity.
The velociraptor's speed is 2 m/s, and its velocity is -0.3 m/s [w].
What is the total distance covered?
To calculate the speed and velocity of the velociraptor, we need to first find the total distance it covered and the displacement.
Total distance = 5m + 10m + 3m + 2m = 20m
Displacement = Final position - Initial position
Displacement = (2m [w]) - (5m [e])
Displacement = -3m [w]
Velocity is defined as displacement per unit time, while speed is defined as distance per unit time.
Velocity = Displacement / Time
Velocity = -3m [w] / 10s
Velocity = -0.3 m/s [w]
Speed = Total distance / Time
Speed = 20m / 10s
Speed = 2 m/s
Therefore, the velociraptor's speed is 2 m/s, and its velocity is -0.3 m/s [w].
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Juliet wants to know if the chicken broth in this beaker will fit into this rectangular food storage container. Explain how you would figure it out without pouring the contents in. If it will fit, how much more broth could the storage container hold? If it will not fit, how much broth will be left over? (Remember: 1 cm = 1 mL. )
The container could hold an additional 870 mL of broth if it is already holding the 90 mL of broth from the beaker.
To figure out if the chicken broth in the beaker will fit into the rectangular food storage container, we need to compare the volume of the beaker to the volume of the container.
The volume of the beaker can be calculated by multiplying its base area (which is the same as the area of the circle at the bottom of the beaker) by its height. The volume of the container can be calculated by multiplying its length, width, and height.
If the volume of the beaker is less than or equal to the volume of the container, then the chicken broth will fit. If it is greater, then the chicken broth will not fit.
To find out how much more broth the container could hold if it fits, we can subtract the volume of the beaker from the volume of the container.
For example, if the beaker has a diameter of 6 cm and a height of 10 cm, then its volume would be:
V_beaker = πr^2h = π(3^2)(10) = 90π cm^3 = 90 mL
If the rectangular food storage container has dimensions of 12 cm x 8 cm x 10 cm, then its volume would be:
V_container = lwh = 12(8)(10) = 960 cm^3 = 960 mL
Since 90 mL (the volume of the beaker) is less than 960 mL (the volume of the container), the chicken broth will fit in the container. The amount of broth the container can hold in addition to the beaker's contents would be: 960 mL - 90 mL = 870 mL
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For the acute angles in a right triangle, sin(5x)° = cos(3x + 2)°.
What is the number of degrees in the measure of the smaller
angle?
Answer is The smaller angle is 35°.
To solve for the acute angles in a right triangle when sin(5x)° = cos(3x + 2)°, we need to use trigonometric identities.
Recall that sin(x) = cos(90 - x) for any angle x. Using this identity, we can rewrite sin(5x)° as cos(90 - 5x)°.
Similarly, cos(x) = sin(90 - x) for any angle x. Using this identity, we can rewrite cos(3x + 2)° as sin(90 - (3x + 2))°, which simplifies to sin(88 - 3x)°.
Now we have cos(90 - 5x)° = sin(88 - 3x)°. Since these two expressions are equal, we can set them equal to each other and solve for x:
cos(90 - 5x)° = sin(88 - 3x)°
sin(5x)° = sin(88 - 3x)°
5x = 88 - 3x
8x = 88
x = 11
Therefore, the acute angles in the right triangle are 5x° and 90 - 5x°, or 55° and 35°. The smaller angle is 35°.
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A veterinarian measures the weight of each puppy in a litter. She records the puppies' weights in pounds. Puppy Weights: 2. 9, 3. 0, 3. 1, 3. 1, 3. 2, 3. 3, 3. 3, 3. 4, 4. 4 The veterinarian removes the outlier of the data. By how many pounds, rounded to the nearest hundredth of a pound, will the mean of the data change with the removal of the outlier?
The mean of the puppy weights changes by 0.14 pounds.
To determine how the mean of the puppy weights changes with the removal of the outlier, follow these steps:
1. First, identify the outlier in the given data set: Puppy Weights: 2.9, 3.0, 3.1, 3.1, 3.2, 3.3, 3.3, 3.4, 4.4. The outlier is 4.4 as it is significantly higher than the rest of the values.
2. Calculate the mean with the outlier: Add all the weights and divide by the total number of puppies (9). (2.9+3.0+3.1+3.1+3.2+3.3+3.3+3.4+4.4)/9 = 29.7/9 = 3.3
3. Calculate the mean without the outlier: Remove the outlier (4.4) from the sum and divide by the new total number of puppies (8). (29.7 - 4.4)/8 = 25.3/8 = 3.1625
4. Calculate the change in mean by subtracting the mean without the outlier from the mean with the outlier, and round to the nearest hundredth of a pound: 3.3 - 3.1625 = 0.1375, which rounds to 0.14.
With the removal of the outlier, the mean of the puppy weights changes by 0.14 pounds.
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Solid cylinders A and B are similar and made from metal. 72.8% more metal is used to make cylinder B than cylinder A. The surface area of cylinder A is 700cm². Work out the surface area of cylinder B
If the surface area of cylinder A is 700cm², the surface area of cylinder B is 1612.8cm².
Since the two cylinders are similar, their dimensions are proportional to each other. Let the height and radius of cylinder A be h and r, respectively, and let the height and radius of cylinder B be kh and kr, respectively, where k is the scale factor.
Since cylinder B uses 72.8% more metal than cylinder A, we have:
Volume of cylinder B = 1.728 times the volume of cylinder A
Using the formula for the volume of a cylinder, we have:
π(kr)²(kh) = 1.728πr²h
Simplifying the equation, we get:
k³ = 1.728
k = 1.2
So the scale factor is 1.2. Therefore, the height and radius of cylinder B are 1.2 times those of cylinder A. Hence, we have:
Surface area of cylinder B = 2π(1.2r)² + 2π(1.2r)(1.2h)
= 2.304(2πrh)
= 2.304(700cm²)
= 1612.8cm²
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