A dot plot is a graphical method that is used to represent data. The plot provides an overview of the data’s distribution, measures of central tendency, and any outliers.
From the provided question, we are supposed to determine what is true of the data in the dot plot. Below are the correct statements that apply: There is no data value that occurs more frequently than any other value in the set. This means that there are no modes in the data set. We can note that the data set is bimodal if there were two points with dots above them.
The data in the set is roughly symmetrical since it is distributed evenly around the middle. There are equal numbers of dots on either side of the middle point, and the plot is roughly symmetrical about a vertical line passing through the middle point. All data points in the data set lie within a range of 5 to 20. We can see that there are no dots below 5 or above 20.
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the angle of elevation of the top of a vertical pole from the 1.54m above the horizontal ground is 40 degrees, the foot of the pole is on the same horizontal group and the point of observation is 20m from the pole.
i) find the height of the pole
ii) the angleof depression of the foot of the pole from the point of the observation
Answer: the height of the pole is 16.782 meters
Step-by-step explanation: Let us take the height of the pole as "h".
i) Finding the height of the pole:
distance from the pole is 20m.
The angle of elevation is 40°
\(tan(40°) = h/20\)
Multiply both sides by 20:
\(20 * tan(40°) = h\)
\(h ≈ 20 * 0.8391 ≈ 16.782 meters\)
Therefore, the height of the pole is 16.782 meters.
ii) Finding the angle of depression
The angle of depression is the angle formed between the horizontal ground and the line of sight from the point of observation to the foot of the pole.
angle of depression = angle of elevation = 40°
Therefore, the angle of depression of the foot of the pole from the point of observation is 40°.
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Using trigonometric methods, it is determined that the height of the pole is found by using the formula for tangent, and adding the height of the observer. The angle of depression equals the angle of elevation, so both are 40 degrees.
Explanation:To solve the problem, we use the properties of a right triangle and trigonometric functions. Since we know the angle of elevation and the length of one side, we can find the length of the other side using the tangent function.
For the height of the pole: we know that tan(θ) = opposite/adjacent, so,
tan(40) = height/20
height = tan(40) * 20
Let's denote the observer's height as h=1.54m, so the total height of the pole is height + h.
For the angle of depression: In a right triangle, the angle of depression and the angle of elevation are equal. Therefore, the angle of depression is also 40 degrees.
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Estimate 9,664-7,092 by first rounding each number to the nearest hundred
Answer:
2600
Step-by-step explanation:
9664-7092 = 2572
make g the subject of the formula in w = 7 - sqrt g
Answer: g = w² - 14w + 49
\(w=7-\sqrt{g}\\\\=> \sqrt{g} =7-w \\\\<=>g=(7-w)^{2}=49-14w+w^{2}\)
Step-by-step explanation:
Help solve this I’m not sure if my answer was right. Pythagorean theorem.
Answer:
C. since 8, 15, 17 are pythagorean triples
A square has the same area as a rectangle whose
longer side is 2 times the length of its shorter
side. If the perimeter of the rectangle is 24, what
is the perimeter of the square?
A) 8 √2
B)16 √2
C)32 √2
D)32
Answer:
C) 32 * 2**1/2
Step-by-step explanation:
For rectangle P = L + W = 24 but L = 2W so
2W + W = 24
3W = 24
W = 8 and L = 2W = 16
A = L * W = 16 * 8 = 128
SO for the square with the same area
A = L * L = 128
L**2 = 128
L = 8 * 2**1/2
P = 4L = 32 * 2**1/2
Which figure repeats in the tessellation shown below?
A
B
C
D
A. Figure A
B. Figure C
C. Figure B
D. Figure D
Answer:
D. Figure
Step-by-step explanation:
Because it go's black cream black cream and D is the only one that shows that
Hope This Helped
The correct figure for repeats in the tessellation shown is shown in
''Option D''.
What is mean by Rectangle?A rectangle is a two dimension figure with 4 sides, 4 corners and 4 right angles. The opposite sides of the rectangle are equal and parallel to each other.
Given that;
The tessellation shown in image.
Now, By figure of the tessellation shown we get;
Figure shown in option D is figure for repeats in the tessellation
Thus, The correct figure for repeats in the tessellation shown is shown in
''Option D''.
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Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u). ] (Use non-identity functions for f(u) and g(x). ) y = ³√eˣ+9 (f(u), g(x)) = ____
Find the derivative dy/ =
The derivative dy/dx of the composite function y = ³√(e^x + 9) is (1/3) * (e^x + 9)^(-2/3) * e^x.
To write the composite function y = f(g(x)) and find its derivative dy/dx, let's identify the inner function u = g(x) and the outer function y = f(u).
For the given function y = ³√(e^x + 9), we can identify:
Inner function: u = g(x) = e^x + 9
Outer function: y = f(u) = ³√u
Now, let's write the composite function in the form f(g(x)):
y = f(g(x)) = ³√(e^x + 9)
To find the derivative dy/dx, we can use the chain rule. The chain rule states that if y = f(u) and u = g(x), then dy/dx = (df/du) * (du/dx).
Let's find the derivative dy/du first:
df/du = d(³√u)/du
= (1/3) * u^(-2/3)
Next, let's find the derivative du/dx:
du/dx = d(e^x + 9)/dx
= d(e^x)/dx
= e^x
Now, we can multiply the derivatives to find dy/dx:
dy/dx = (df/du) * (du/dx)
= (1/3) * u^(-2/3) * e^x
Substituting the value of u = e^x + 9, we have:
dy/dx = (1/3) * (e^x + 9)^(-2/3) * e^x
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pls help me please
pppppppppppppppppppppppppppppppppppppppppllllllllllllllllllllllllllllllllllllllllleeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaaaaaaaaaaaaaaaaaaaaaaaaaaaasssssssssssssssssssseeeeeeeeeeeeeeeeee
Answer:
Step-by-step explanation:
c dude
If x+40=? type your answer below.
Suppose that a fourth order differential equation has a solution y = - 3e^3x x sin(x). Find the initial conditions that this solution satisfies.
The initial conditions that the solution y = -3e^(3x)sin(x) satisfies are:
y(0) = 0, y'(0) = 3, y''(0) = -6, y'''(0) = 0, and y''''(0) = 18.
To find the initial conditions that the solution y = -3e^(3x)sin(x) satisfies, we need to differentiate it four times and then evaluate it at the initial time t = 0.
y = -3e^(3x)sin(x)
y' = -3e^(3x)sin(x) + 3e^(3x)cos(x)
y'' = -6e^(3x)cos(x)
y''' = 18e^(3x)sin(x)
y'''' = 18e^(3x)cos(x)
Now, evaluating these expressions at t = 0:
y(0) = -3e^(3*0)sin(0) = 0
y'(0) = -3e^(30)sin(0) + 3e^(30)cos(0) = 3
y''(0) = -6e^(3*0)cos(0) = -6
y'''(0) = 18e^(3*0)sin(0) = 0
y''''(0) = 18e^(3*0)cos(0) = 18
Therefore, the initial conditions that the solution y = -3e^(3x)sin(x) satisfies are:
y(0) = 0, y'(0) = 3, y''(0) = -6, y'''(0) = 0, and y''''(0) = 18.
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375 of the students at Haldane Elementary School walk to school. If these
students represent 75% of the student body, how many students are in the
whole student body?
Lana bought a sports car for $75,700. If the value of her car decreases 4.3% annually.
When using the exponential DECAY formula, what would be the value of r?
Given:
The initial value of the car = $75,700
Decreasing rate = 4.3%
To find:
The value of r in the exponential DECAY formula.
Solution:
The exponential decay formula is:
\(y=a(1-r)^t\)
Where, a is the initial value, r is the rate of decay on decimal and t is the time period.
The initial value of the car is $75,700 and its value decreases 4.3% annually. So,
\(a=75,700\)
\(r=\dfrac{4.3}{100}\)
\(r=0.043\)
The required exponential decay formula is:
\(y=75,700(1-0.043)^t\)
Therefore, the value of r in the exponential decay formula is 0.043.
If two angles are supplementary to the same angle, then:
a. They are adjacent angles
b. They are congruent angles
c. They are complementary angles
d. They are congruent supplementary angles
The option D is the correct answer.
a. They are adjacent angles: Adjacent angles are angles that share a common side and vertex, but do not overlap. It is possible for two angles to be supplementary and adjacent, but it is not always the case. Therefore, option a is not the correct answer.
b. They are congruent angles: Congruent angles have the same measure. Two angles that are supplementary to the same angle can have different measures, so option b is not the correct answer.
c. They are complementary angles: Complementary angles are two angles that add up to 90 degrees. Since two angles that are supplementary to the same angle add up to 180 degrees, they cannot also be complementary. Therefore, option c is not the correct answer.
d. They are congruent supplementary angles: Congruent supplementary angles have the same measure and add up to 180 degrees. This is the correct answer because if two angles are supplementary to the same angle, their measures must be equal in order for their sum to be 180 degrees. Therefore, option d is the correct answer.
To summarize, if two angles are supplementary to the same angle, they are congruent supplementary angles because their measures are equal and add up to 180 degrees.
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A store pays $140 for a cell phone. The store sells the cell phone for $315. Your classmate says that the markup is 125% because $175$140=1.25. Is your classmate correct? (brainliest for correct answer)
The store bought the phone for $140 and sells the cell phone for $315 at a markup of 125%.
What is an equation?An equation is an expression that shows the relationship between two or more variables and numbers.
Let x represent the markup, since the store sells the cell phone for $315, hence:
(315 - 140)/140 * 100% = x
x = 125%
The store bought the phone for $140 and sells the cell phone for $315 at a markup of 125%.
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the concept of hedonistic calculus is associated with
The concept of hedonistic calculus is associated with utilitarianism and the philosophy of maximizing pleasure and minimizing pain. It is a method for calculating the overall happiness or utility of actions based on the intensity, duration, certainty, propinquity, fecundity, purity, and extent of pleasure or pain they produce.
Hedonistic calculus is a term coined by the philosopher Jeremy Bentham, who was a proponent of utilitarianism. Utilitarianism is an ethical theory that states that the right action is the one that maximizes overall happiness or utility for the greatest number of people. The goal of hedonistic calculus is to measure and compare the happiness or pleasure derived from different actions or situations.
According to Bentham, pleasure and pain are the only relevant factors in determining the moral value of an action. Hedonistic calculus involves quantifying these pleasures and pains in order to assess their overall impact. Bentham proposed seven criteria to evaluate the intensity, duration, certainty, propinquity (nearness in time), fecundity (likelihood of leading to more pleasure or pain), purity (absence of pain mixed with pleasure), and extent of the pleasure or pain produced by an action.
By assigning values to each of these criteria, hedonistic calculus aims to determine the net amount of happiness or utility generated by a particular action or decision. The idea is to maximize pleasure and minimize pain, with the ultimate goal of promoting the greatest happiness for the greatest number of individuals.
Overall, hedonistic calculus provides a systematic approach to assess and compare the consequences of actions based on their impact on pleasure and pain. It serves as a framework for utilitarians to make ethical judgments and decisions by considering the net balance of happiness produced by different choices.
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what is the value of teh expression below in scientific notation?
\((4.7 \times {10}^{5}) - (2.8 \times {10}^{2} \)
y+2x-3+4x squared+3x-5y
The required solution to the given expression is 4x² + 5x - 4y - 3.
What is the algebraic expression?Algebraic expressions are mathematical statements with a minimum of two terms containing variables or numbers.
The expression is given in the question, as follows:
y + 2x - 3 + 4x² + 3x - 5y
We have to determine the solution to the given expression.
As per the question, we have
y + 2x - 3 + 4x² + 3x - 5y
Rearrange the variables in the above expression,
4x² + 2x + 3x + y - 5y - 3
Combine likewise terms in the expression,
4x² + 5x - 4y - 3
Thus, the required solution is 4x² + 5x - 4y - 3.
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The question seems to be incomplete the correct question would be:
Find the solution to the below expression.
y + 2x - 3 + 4x² + 3x - 5y
What does the shape of the volatility smile reveal about put options on equity? A. Options close-to-the-money have the lowest implied volatility B. Options deep-in-the-money have a relatively high implied volatility C. Options deep-out-of-the-money have a relatively high implied volatility D. All of the above
The shape of the volatility smile provides insights into the implied volatility of put options at different strike prices, and shows that options close-to-the-money, deep-in-the-money, and deep-out-of-the-money all have unique levels of implied volatility. The correct answer to the question is D, all of the above.
The volatility smile is a graph that plots the implied volatility against the strike prices of options. It is named a "smile" because it often has a concave shape, with the implied volatility being higher for options that are deep in or out of the money, and lower for options that are close to the money.
Regarding put options on equity, the shape of the volatility smile reveals that options that are close-to-the-money tend to have the lowest implied volatility. This is because these options are the most commonly traded and therefore have the most accurate pricing. Options that are deep-in-the-money have a relatively high implied volatility because they have a higher chance of being exercised and therefore have a higher perceived risk. Similarly, options that are deep-out-of-the-money have a relatively high implied volatility because they are seen as long-shot bets and therefore have a higher perceived risk.
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If ARST = XYZ, which statement must be true?
R
S
X
Y
A. ZS, ZZ
0
B. ZR: ZX
C. RSST
OD. ST = XZ
SUBMIT
Since triangles RST and XYZ are congruent, the statement that must be true is:
B. ∠R ≅ ∠X
What are Congruent Triangles?When two triangles are congruent, then every corresponding sides and corresponding angles of both triangles would also be congruent.
Since ΔRST and ΔXYZ are said to be congruent, then all its corresponding parts would also be congruent to each other. Angles R and X are corresponding angles. Therefore, the statement that must be true is:
B. ∠R ≅ ∠X
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Megan is shopping at a store that sells jewelry, scarves, and purses. The cost of all of the items at the store includes tax. Megan buys 3 bracelets and 3 necklaces. Each bracelet costs $5. Megan pays the clerk $40 and gets $4 change. What is the cost, in dollars, of one necklace? Enter your answer in the space below, round it to the nearest integer.
Answer:
The cost of the necklace would be 7 dollars.
5*3 = 15
40-4=36
36-15=21
21/3= 7 dollar necklaces.
I didn't round to the nearest integer you have to do that yourself.
A mouse traveled a total distance of StartFraction 3 Over 24 EndFraction of a mile in a maze over the past 3 hours. The mouse traveled the same distance each hour. To determine the distance that the mouse traveled each hour, Matt performed the calculations below. StartFraction 3 Over 24 EndFraction divided by 3 = StartFraction 3 Over (24 divided by 3) EndFraction = StartFraction 3 Over 8 EndFraction He concluded that the mouse traveled StartFraction 3 Over 8 EndFraction of a mile each hour. What is Matt’s error? Matt should have multiplied mc012-4. Jpg by 24 instead of dividing it by 3. Matt should have multiplied mc012-5. Jpg by 3 instead of dividing it by 3. Matt should have divided the numerator but not the denominator of mc012-6. Jpg by 3. Matt should have divided the numerator and denominator of mc012-7. Jpg by 3.
This week I made 5 pecan pies and 3 pumpkin pies for Thanksgiving. What percentage of the pies were pumpkin?
Answer:
I love pumkin pies
Step-by-step explanation:
Answer:
37.5%
Step-by-step explanation:
5+3=8
3 pumpkin pies so 3/8
3/8 times 100
37.5 percent
What is the rate of change of g(x)=x^3-9x for x=1 to x=6
Answer:
105
Step-by-step explanation:
\(g(x)=x^{3}-9x\)
rate of change of g(x) is
\(g^{,}(x)=3x^{2} -9\)
for x=1
\(g^{'}(1)=3(1)^{2} -9=-6\)
for x=6
\(g^{'}(6)=3(6)^{2} -9=99\)
Chose the step below that correctly uses the distributive property to begin solving the equation:
3(x + 1) + 6 = 33
A. 3x+1+6= 33
B. 3x + 7 = 33
C. x+1+2= 11
D. 3x + 3+ 6 = 33
Answer:
D. 3x + 3 + 6 = 33
Step-by-step explanation:
3(x +1) + 6 = 3
multiply 3 by everything in the parenthesis
3(x) + 3(1) + 6 = 33
3x + 3 + 6 = 33
I hope this helps!
Q8 (6 points) Let x be a binomial random variable with n = 100 and p = 0.3. (a) Can we use the Poisson approximation to find P(30 < = x < 35)? Why? (b) Use the normal approximation to find P(30 < = x< 50) points) If x is a binomial random variable with n = 4 and P(0) = 0.0081, find P(3).
P(3) is approximately equal to 0.139.
(a) Yes, we can use the Poisson approximation to find P(30 < x < 35) because both np and n(1-p) are greater than or equal to 10, where n = 100 and p = 0.3. Therefore, the conditions for the Poisson approximation are satisfied.
Using Poisson approximation, we have:
λ = np = 100 x 0.3 = 30
P(30 < x < 35) ≈ P(X = 31) + P(X = 32) + P(X = 33) + P(X = 34)
= e^(-λ) * (\(λ^31\) / 31!) + e^(-λ) * (λ^32 / 32!) + e^(-λ) * (λ^33 / 33!) + e^(-λ) * (λ^34 / 34!)
≈ 0.1885
(b) Using the normal approximation, we have:
µ = np = 100 x 0.3 = 30
σ = sqrt(np(1-p)) = sqrt(100 x 0.3 x 0.7) = 4.58
P(30 < x < 50) ≈ P((30 - µ)/σ < (x - µ)/σ < (50 - µ)/σ)
≈ P(-4.34 < Z < 4.34) [where Z is a standard normal random variable]
≈ 1
Therefore, P(30 < x < 50) is approximately equal to 1.
(c) Let x be a binomial random variable with n = 4 and P(0) = 0.0081.
We need to find P(3).
Let P(1) = q
Then, from the given information, we have:
P(0) = (1-q)^4 = 0.0081
Solving for q, we get:
q = 1 - (0.0081)^(1/4) ≈ 0.207
Now, using the binomial probability formula, we have:
P(3) = (4 choose 3) * q^3 * (1-q)^1
= 4 * 0.207^3 * 0.793
≈ 0.139
Therefore, P(3) is approximately equal to 0.139.
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Pls help and show workings due asap
Step-by-step explanation:
l^2=15^2+6^2
l^2=225+36
l^2=261
l=√261
how to find the volume of a room
multiply the height x the length x the width to find the volume of a room (or another 3d object)
1. Classify each triangle by its side lengths and angle measurements. Circle the correct names.
Classify Using
Side Lengths
m
b.
Equilateral Isosceles
Math Day Or
Scalene
Classify Using
Angle Measurements
Acute Right Obtuse. Angel mea
There are three types of triangle according to sides and angles each.
What is a triangle?The triangle is a type of polygon having three sides, angles and vertices.
Classification of triangles :-
Based on sides :-
1) Scalene triangle :- A triangle with all different measurements of sides and angles are called a Scalene triangle.
2) Isosceles triangle :- A triangle with two of the sides and angles are congruent called an Isosceles triangle.
3) Equilateral triangles :- A triangle with all the same measurements of sides and angles is called an Equilateral triangle.
Based on angles :-
1) Acute angled triangle :- A triangle with all the angles less than 90°, are called acute angled triangle.
2) Obtuse angled triangle :- A triangle with all the angles greater than 90° and less than 180°, are called Obtuse angled triangle.
3) Right angled triangle :- A triangle with one angle equals 90° is called a Right angled triangle.
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geometry solve for X
A bakery sold a total of 160 cupcakes in a day, and 104 of them were chocolate flavored. What percentage of cupcakes sold that day were chocolate flavored?
Answer:
65%
Step-by-step explanation: