Answer:
Step-by-step explanation:
Let "n" be the second odd number in the sequence
(n - 2) + n + (n + 2) + (n + 4) + (n + 6) = 135
5n + 10 = 135
5n = 125
n = 25
23 + 25 + 27 + 29 + 31 = 135
PLEASE HELP WILL MARK BRAINLIEST VERY IMPORTANT
Answer:
a reflection over the x axis and moved 3 squares to the left
Step-by-step explanation:
Use the following information to answer the next six exercises. There are 23 countries in North America, 12 countries in South America, 47 countries in Europe, 44 countries in Asia, 54 countries in Africa, and 14 in Oceania (Pacific Ocean region). Let A = the event that a country is in Asia. Let E = the event that a country is in Europe. Let F = the event that a country is in Africa. Let N = the event that a country is in North America. Let O = the event that a country is in Oceania. Let S = the event that a country is in South America. What is the sum of the probabilities of an event and its complement?
Answer:
nosee la verdad
Step-by-step explation
Considering only the values of θ for which the expression is defined, which of the following is equivalent to the expression below?
cos(−θ)⋅tan(−θ)⋅cscθ
Select the correct answer below:
−sinθ
1
sinθ
−1
The cos(θ) term cancels out and we are left with -1. Therefore, the equivalent expression is -1.
We can start by using the trigonometric identities:
cos(-θ) = cos(θ)
tan(-θ) = -tan(θ)
csc(θ) = 1/sin(θ)
Substituting these identities into the original expression, we get:
cos(θ) * (-tan(θ)) * (1/sin(θ))
Simplifying this expression, we can cancel out the cos(θ) and the sin(θ) terms:
-1 * cos(θ) * (1/(cos(θ))) The cos(θ) term cancels out and we are left with -1. Therefore, the equivalent expression is -1.
In other words, the original expression simplifies to -1 for all values of θ where it is defined (i.e. θ ≠ (2n + 1)π/2, where n is an integer). This means that as θ varies, the value of the expression will always be -1 when it is defined. Trigonometric identities are mathematical equations that involve trigonometric functions and are true for every possible value of the variables involved. There are various types of trigonometric identities, including:
Pythagorean Identities:
\(sin^2a + cos^2a= 1\\tan^2a + 1 = sec^2a\\1 + cot^2a = csc^2a\)
Angle Sum and Difference Identities:
sin(α±β) = sin α cos β ± cos α sin β
cos(α±β) = cos α cos β ∓ sin α sin β
tan(α±β) = (tan α ± tan β) / (1 ∓ tan α tan β)
Double Angle Identities:
sin 2θ = 2 sin θ cos θ
cos 2θ =\(cos^2\)θ - \(sin^2\)θ = 2 \(cos^2\)θ - 1 = 1 - 2\(sin^2\)θ
tan 2θ = (2 tan θ) / (1 - \(tan^2\)θ)
Half Angle Identities:
sin (θ/2) = ± √[(1 - cos θ) / 2]
cos (θ/2) = ± √[(1 + cos θ) / 2]
tan (θ/2) = ± √[(1 - cos θ) / (1 + cos θ)]
Product-to-Sum Identities:
sin α sin β = (1/2) [cos (α-β) - cos (α+β)]
cos α cos β = (1/2) [cos (α-β) + cos (α+β)]
sin α cos β = (1/2) [sin (α+β) + sin (α-β)]
Sum-to-Product Identities:
sin α + sin β = 2 sin [(α+β)/2] cos [(α-β)/2]
sin α - sin β = 2 cos [(α+β)/2] sin [(α-β)/2]
cos α + cos β = 2 cos [(α+β)/2] cos [(α-β)/2]
cos α - cos β = -2 sin [(α+β)/2] sin [(α-β)/2]
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If you spin the spinner 11 times, what is the best prediction possible for the number of times it will land on pink?
If we spin the spinner 11 times, 4 is the best prediction possible for the number of times it will land on pink.
To calculate the expected value of a random variable, simply multiply it with the respective probability and sum the respective products.
Given, total number of outcomes=11.
Total number of pink colored spin= 4
Probability of a spin resulting pink color=4/11
Expected number of spins of pink color= \(\sum xp(x)\)
=(1×4/11)+(2×4/11)+(3×4/11)+(4×4/11)
=4/11(1+2+3+4)
=40/11
=3.63 ≈ 4
Thus, the best prediction possible for the number of times it will land on pink is 4.
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Incomplete:
Image of spinner is missing in the question, Therefore attaching it below:
The probability that a person in the United States has type At blood is 31 %. Three unrelatedata person eUnited sleds are selected at random.
The required Probabilities of type of blood are A) 0.029791, B) 0.328509, C) 0.671491.
How to find Probability?A: event that a person has type A positive blood
A': event that a person does not have type A positive blood
We know that P(A) = 0.31, which means P(A') = 0.69.
A) To find the probability that all three people have type A positive blood, we use the multiplication rule for independent events:
P(A and A and A) = P(A) x P(A) x P(A) = 0.31 x 0.31 x 0.31 = 0.029791.
B) To find the probability that none of the three people have type A positive blood, we use the multiplication rule for independent events again:
P(A' and A' and A') = P(A') x P(A') x P(A') = 0.69 x 0.69 x 0.69 = 0.328509.
C) To find the probability that at least one of the three people have type A positive blood, we can use the complement rule:
P(at least one A) = 1 - P(none have A) = 1 - 0.328509 = 0.671491.
Alternatively, we could find this probability directly by considering the three possible cases where at least one person has type A positive blood:
one person has A and two do not: P(A and A' and A') x 3 = 0.31 x 0.69 x 0.69 x 3
two people have A and one does not: P(A and A and A') x 3 = 0.31 x 0.31 x 0.69 x 3
all three have A: P(A and A and A) = 0.029791
Then, we add up these probabilities:
P(at least one A) = (0.31 x 0.69 x 0.69 x 3) + (0.31 x 0.31 x 0.69 x 3) + 0.029791 = 0.671491.
D) The event of all three people having type A positive blood (0.029791) can be considered unusual because it has a low probability. If we define "unusual" as an event with probability less than or equal to 0.05, then this event meets that criterion. However, whether an event is considered unusual or not can depend on the specific context and criteria chosen.
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Complete question:
Sample Responses Label axes according to input
and output variables. Plot the ordered pair of the
independent and dependent variable on the
coordinate plane. Identify if there is a relationship
Which of the following did you include in your
response?
O Label the x-axis the input variable, age.
O Label the y-axis the output variable, texting speed.
O Plot the points according to age and texting speed.
O Identify a relationship between the change in
texting speed as age increases.
The following elements were included in the response: labeling x-axis as age, labeling y-axis as texting speed, plotting points according to age and texting speed, and identifying a relationship between texting speed and age.
In the response, the following elements were included:
1. Labeling the x-axis as the input variable, age: This is important to indicate the independent variable being plotted.
2. Labeling the y-axis as the output variable, texting speed: This is crucial to indicate the dependent variable being represented.
3 Plotting the points according to age and texting speed: This involves placing the ordered pairs (age, texting speed) on the coordinate plane, with age values on the x-axis and texting speed values on the y-axis.
4. Identifying a relationship between the change in texting speed as age increases: By analyzing the plotted points and examining the pattern or trend, one can determine if there is a relationship between age and texting speed. For example, if the texting speed generally increases as age increases or if there is a linear or nonlinear relationship between the two variables.
Including all of these elements allows for a comprehensive analysis of the relationship between age and texting speed, providing a visual representation and enabling the identification of any patterns or trends.
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A straw is placed inside a rectangular box that is 3 inches by 2 inches by 9 inches, as shown. If the straw fits exactly into the box diagonally from the bottom left corner to the top right back corner, how long is the straw? Leave your answer in simplest radical form.
The diagonal of the rectangular box will be 9.7 inches.
Given that:
Length, L = 3 inches
Width, W = 2 inches
Height, H = 9 inches
The diagonal of the rectangular prism is given as,
d² = L² + W² + H²
The diagonal of the rectangular box will be calculated as,
d² = 3² + 2² + 9²
d² = 9 + 4 + 81
d² = 94
d = √94
d = 9.7 inches
The diagonal of the rectangular box will be 9.7 inches.
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Hurry and answer this please I have to have this right or I'll have to be held back.From a group of 5 boys and 3 girls, a boy AND a girl will be selected to attend a conference. In how many ways can the selection be made?
Answer:
15 ways
Step-by-step explanation:
girl 1 and boy 1
girl 2 and boy 1
girl 3 and boy1
girl 1 and boy 2
girl2 and boy 2
girl 3 and boy 2
girl 1 and boy 3
girl 2 and boy 3
girl 3 and boy 3
girl 1 and boy 4
girl 2 and boy 4
girl 3 and boy 4
girl 1 and boy 5
girl 2 and boy 5
girl 3 and boy 5
solve the PDE using separation of variables method Uxx = 1/2 Ut 0< X <3 with U(0,t) = U(3, t)=0, U(0, t) = 5sin(4πx)
The general solution of the partial differential equation is:
U(x, t) = Σ [Aₙ*sin((nπ/3)x)]*e^(-(nπ/3)²t)
How to solve Partial Differential Equations?The partial differential equation (PDE) is given as:
Uxx = (1/2)Ut with the boundary and initial conditions as 0< X <3 with U(0,t) = U(3, t)=0, U(0, t) = 5sin(4πx)
Assume that the solution can be written as a product of two functions:
U(x, t) = X(x)T(t)
Substituting this into the PDE, we have:
X''(x)T(t) = (1/2)X(x)T'(t)
Dividing both sides by X(x)T(t), we get:
(X''(x))/X(x) = (1/2)(T'(t))/T(t)
Since the left side only depends on x and the right side only depends on t, both sides must be equal to a constant, denoted as -λ²:
(X''(x))/X(x) = -λ²
(1/2)(T'(t))/T(t) = -λ²
Simplifying the second equation, we have:
T'(t)/T(t) = -2λ²
Solving the second equation, we find:
T(t) = Ce^(-2λ²t)
Applying the boundary condition U(0, t) = 0, we have:
U(0, t) = X(0)T(t) = 0
Since T(t) ≠ 0, we must have X(0) = 0.
Applying the boundary condition U(3, t) = 0, we have:
U(3, t) = X(3)T(t) = 0
Again, since T(t) ≠ 0, we must have X(3) = 0.
Therefore, we can conclude that X(x) must satisfy the following boundary value problem:
X''(x)/X(x) = -λ²
X(0) = 0
X(3) = 0
The general solution to this ordinary differential equation is given by:
X(x) = Asin(λx) + Bcos(λx)
Applying the initial condition U(x, 0) = 5*sin(4πx), we have:
U(x, 0) = X(x)T(0) = X(x)C
Comparing this with the given initial condition, we can conclude that T(0) = C = 5.
Therefore, the complete solution for U(x, t) is given by:
U(x, t) = Σ [Aₙsin(λₙx) + Bₙcos(λₙx)]*e^(-2(λₙ)²t)
where:
Σ represents the summation over all values of n
λₙ are the eigenvalues obtained from solving the boundary value problem for X(x).
To find the eigenvalues λₙ, we substitute the boundary conditions into the general solution for X(x):
X(0) = 0: Aₙsin(0) + Bₙcos(0) = 0
X(3) = 0: Aₙsin(3λₙ) + Bₙcos(3λₙ) = 0
From the first equation, we have Bₙ = 0.
From the second equation, we have Aₙ*sin(3λₙ) = 0. Since Aₙ ≠ 0, we must have sin(3λₙ) = 0.
This implies that 3λₙ = nπ, where n is an integer.
Therefore, λₙ = (nπ)/3.
Substituting the eigenvalues into the general solution, we have:
U(x, t) = Σ [Aₙ*sin((nπ/3)x)]*e^(-(nπ/3)²t)
where Aₙ are the coefficients that can be determined from the initial condition.
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When a constant force is applied to an object, the acceleration of the object varies inversely with its mass. When a certain constant force acts upon an object
with mass 4 kg, the acceleration of the object is 9 m/s². When the same force acts upon another object, its acceleration is 6 m/s². What is the mass of this
object?
Step-by-step explanation:
a = k/m or ma = k
using 4 and 9 4* 9 = k = 36
then the equation becomes:
ma = 36
using a = 6
6 * m = 36 shows m = 6 kg
A number cube numbered 1-6 is rolled 30 times and lands on an even number 18 times.
How does this frequency compare to the expected frequency based on the probability of
the number cube landing on an even number?
The frequency is 15 more than expected.
The frequency is 13 more than expected.
The frequency is 9 more than expected.
The frequency is 3 more than expected.
Done →
Given statement solution is :- The correct answer is: The frequency is 3 more than expected.
To determine the expected frequency of landing on an even number when rolling a fair six-sided number cube, we need to calculate the probability of landing on an even number and multiply it by the total number of rolls.
The number cube has six possible outcomes: 1, 2, 3, 4, 5, and 6. Of these, three are even numbers: 2, 4, and 6. Therefore, the probability of rolling an even number is 3/6, which simplifies to 1/2 or 0.5.
The expected frequency can be found by multiplying the probability by the total number of rolls:
Expected frequency = Probability of landing on an even number × Total number of rolls
Expected frequency = 0.5 × 30 = 15
Now, we can compare the expected frequency (15) to the actual frequency (18) given in the problem statement.
The actual frequency is 18, and it is 3 more than the expected frequency (18 - 15 = 3).
Therefore, the correct answer is: The frequency is 3 more than expected.
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need help writing a function
n⁴ - 2n³ - 23n² + 24n + 144 is the standard form of given zeroes.
What is a linear equation in mathematics?
A linear equation is an algebraic equation of the form y=mx+b. m is the slope and b is the y-intercept. The above is sometimes called a "linear equation in two variables" where y and x are variables.
A linear equation is an equation that raises a variable to the first power. ax+b = 0 is an example of a 1 variable. x is a variable and a and b are real numbers.
Roots : -3(mult . 2), 4(mult.2)
the function is given as
f(n) = (n + 3)² (n - 4)²
= (n + 3) (n + 3 ) ( n - 4 ) ( n - 4)
= (n² + 6n + 9) (n² - 8n + 16 )
= n⁴ - 8n³ + 16n² + 6n³ - 48n² + 96n + 9n² - 72n + 1
collecting like term,
f(n) = n⁴ - 2n³ - 23n² + 24n + 144
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The following data give the distribution of the types of houses in a town containing 25,000 houses. Identify each category and its percentage on the circle graph. House Style Frequency Cape 6250 Garrison 10000 Split 8750
The categories and their Percentages on the circle graph would be as follows:
Cape: 25%
Garrison: 40%
Split: 35%
To represent the distribution of house types in a town containing 25,000 houses on a circle graph, we need to determine the percentage of each category.
The given data provides the following frequencies for each house style:
Cape: 6,250 houses
Garrison: 10,000 houses
Split: 8,750 houses
To calculate the percentage for each category, we divide the frequency of each house style by the total number of houses in the town (25,000) and multiply by 100.
Percentage for Cape: (6,250 / 25,000) * 100 = 25%
Percentage for Garrison: (10,000 / 25,000) * 100 = 40%
Percentage for Split: (8,750 / 25,000) * 100 = 35%
Therefore, the categories and their respective percentages on the circle graph would be as follows:
Cape: 25%
Garrison: 40%
Split: 35%
These percentages represent the proportion of each house style in the town and can be visually represented on a circle graph to provide a clear visualization of the distribution of house types.
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O2) Work out 30% of £5.80.
Answer:
1.74
Step-by-step explanation:
Multiply 5.80 times .30
Answer:
1.74
Step-by-step explanation:
To solve this, lets multiply the value by the percentage.
Our value is 5.8
And our percentage is 30%.
Lets convert this into a decimal, to do this, divide 30 by 100:
30/100
=
0.3
Now that we have the percentage in decimal form, multiply it by the 5.8:
5.8*0.3
=
1.74
This is your answer!
Hope this helps! :)
Solve for x.
4- (2x + 4) = 5
x = -10
x = -1/5/2
x = 1/2
x = 6
Solve for x :
4 - (2x + 4) = 5
1) x = -10
2) x = 5/2
3) x = 1/2
4) x = 6
Answer:➛ 4 - 2x + 4 = 5
➛ 2x + 4 - 4 = 5
➛ 2x + 0 = 5
➛ 2x = 5
➛ x = 5/2
Thus, The value of x is 5/2.
Use the model below to calculate 9÷1/3.
A green rectangle is divided into 9 equal parts arranged into 3 rows of 3 cells each.
A.
9/3
B.
3/9
C.
13 1/2
D.
27
Using thie model ,The answer is D. 27.
To calculate 9÷1/3 using the model below, we can imagine dividing the green rectangle into thirds vertically. Each third would contain 3 cells.
Then, we can see that there are a total of 9 cells in the rectangle. Since we are dividing by 1/3, we need to find out how many sets of 1/3 are in 9.
We can see that there are 3 sets of 1/3 in each row (since each row contains 3 cells, which are thirds). So, in total, there are 3 rows of 3 sets of 1/3, which gives us:
9÷1/3 = 3 rows x 3 sets of 1/3 = 9 sets of 1/3 = 27
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What's the inverse of ƒ(x) = x – 20?
Therefore , the solution of Inverse function comes out to be of x-20 equals to x+20
What is the inverse symbol?A function f has an inverse function only if for every y in its range there is only one value of x in its domain for which f(x)=y. This inverse function is unique and is frequently denoted by f−1 and called “f inverse.” For an overview into the idea of an inverse function, see the function machine inverse.Steps for finding the inverse of a function fReplace f(x) by y in the equation describing the function. Interchange x and y. In other words, replace every x by a y and vice versa.
Here,
Solve for y.
Replace y by f-1(x).
y=x-20
x=y-20
Solve for y,x = y-20
x+20
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Answer:
ƒ^(-1)(x) = x + 20
Step-by-step explanation:
To find the inverse of the function ƒ(x) = x - 20, we need to switch the roles of x and y and solve for y.
Let's start by replacing ƒ(x) with y:
y = x - 20
Next, swap x and y:
x = y - 20
Now, solve for y by isolating it:
x + 20 = y
Therefore, the inverse of the function ƒ(x) = x - 20 is given by:
ƒ^(-1)(x) = x + 20
Which of the following is a statistical question that can result in numerical data?
What is the name of your favorite pizza store?
How many hours this week did you spend on homework?
How many times did you go swimming this year?
How many pink erasers do the students in your class have?
A statistical question that can result in numerical data is How many times did you go swimming this year? So, the correct option is A).
The statistical question that can result in numerical data is "How many hours this week did you spend on homework?" and "How many times did you go swimming this year?".
These questions involve counting or measuring quantities, which can be represented using numerical data. The other two questions do not involve numerical data and therefore cannot be considered statistical questions that result in numerical data. So, the correct answer is B).
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Answer:
How many pink erasers do the students in your class have?
Using a standard deck of cards, Rayna drew one card and recorded its value. She continued this for a total of 200 draws. The table shows the frequency of each card drawn.
Card A 2 3 4 5 6 7 8 9 10 J Q K
Frequency 8 12 11 17 14 12 15 18 13 20 16 24 20
Based on the table, what is the experimental probability that the card selected was an A or 2?
1 over 10
2 over 13
one half
two thirds'
The experimental probability of drawing an A or 2 is 1/10.
What is probability?
Probability is a measure of the likelihood or chance of an event occurring. It is a number between 0 and 1, where 0 represents an impossible event and 1 represents a certain event.
To find the experimental probability of drawing an A or 2, we need to add the frequency of drawing an A and the frequency of drawing a 2 and divide it by the total number of draws.
Frequency of drawing an A = 8
Frequency of drawing a 2 = 12
Total frequency of drawing an A or 2 = 8 + 12 = 20
Total number of draws = 200
Experimental probability of drawing an A or 2 = Total frequency of drawing an A or 2 / Total number of draws = 20 / 200 = 1/10
Therefore, the experimental probability of drawing an A or 2 is 1/10.
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The length of time it takes to find a parking space at 9 A.M. follows a normal distribution with a mean of 7 minutes and a standard deviation of 3 minutes. Based upon the above information and numerically justified, would you be surprised if it took less than one minute to find a parking space?
a. Yes
b. No
c. Unable to determine.
Answer:
a. Yes
Step-by-step explanation:
Problems of normally distributed samples can be solved using the z-score formula.
In a set with mean \(\mu\) and standard deviation \(\sigma\), the zscore of a measure X is given by:
\(Z = \frac{X - \mu}{\sigma}\)
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
If the absolute value of the z-score is 2 or larger, X is considered a surprising outcome.
In this question:
\(\mu = 7, \sigma = 3\)
Would you be surprised if it took less than one minute to find a parking space?
We have to find the z-score when X = 1. So
\(Z = \frac{X - \mu}{\sigma}\)
\(Z = \frac{1 - 7}{3}\)
\(Z = -2\)
Since Z = -2, the correct answer is:
a. Yes
Question 1 of 5
Which expression is equivalent to?x1/3
Answer:
\(\frac{?x1}{3}\) is the answer as in ?x1/3 the ?x1/3 is = to ÷3.
so therefore the answer could also be \(\frac{?x1}{3}\).
( please note that the \(\frac{x}{above}\) symbolises ×by )
Hope this helps and gets brainliest.
Good luck with studies.
an apparel shop is running a special on t-shirts the first shirt cost $15 each additional shirt is cheaper the cost, c, for n t-shirts is given by the equation c=15+9(n+1)
how much will it cost for 2 t shirts
how much for 5 t shirts h
how much does additional cost after the first one? how do you know?
The equation for the cost of n t-shirts is c = 15 + 9(n + 1), the term 9(n + 1) represents the cost of additional shirts beyond the first shirt, and the coefficient 9 represents the amount by the cost decreases for each additional shirt.
The cost of n t-shirts is given by the equation:
c = 15 + 9(n + 1)
c is the cost in dollars and n is the number of t-shirts.
The cost for 2 t-shirts, we substitute n = 1 into the equation:
c = 15 + 9(1 + 1) = 33
So it will cost \($33\) for 2 t-shirts.
The cost for 5 t-shirts, we substitute n = 4 into the equation:
c = 15 + 9(4 + 1) = 51
So it will cost \($51\) for 5 t-shirts.
The cost of additional shirts after the first one is \($9\) per shirt.
The equation for the cost of n t-shirts is c = 15 + 9(n + 1), the term 9(n + 1) represents the cost of additional shirts beyond the first shirt, and the coefficient 9 represents the amount by which the cost decreases for each additional shirt.
The following formula calculates the price of n t-shirts: c = 15 + 9(n + 1).
n is the quantity of t-shirts, and c represents the price in dollars.
We change n = 1 to represent the price of 2 t-shirts:
c = 15 + 9(1 + 1) = 33
the price will be.
t-shirts for two.
We enter n = 4 to get the price for 5 t-shirts: c = 15 + 9(4 + 1) = 51
the price will be.
Five t-shirts worth.
After the first shirt, additional shirts cost each shirt.
The cost of n t-shirts is given by the equation c = 15 + 9(n + 1), where the phrase 9(n + 1) denotes the price of subsequent shirts after the first shirt and the coefficient 9 denotes the amount by which the cost increases.
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Find the circumference of the circle below:
15.7 cm
31.4 cm
100 cm
314 cm
help me
Answer:
31.4 cm
Step-by-step explanation:
\(C=2\pi r\)
\(=2*\pi *5\)
\(\neq 31.41593\)
≈ 31.4
I have a bag of sweets. The sweets are either red or green. I could either, select a sweet at random, note its colour, put it back in the bag and then select another also at random, or I could select a sweet at random, eat it and then select another at random. The probability that both sweets are red is 10% greater in the first case than it is in the second. What is the greatest number of sweets that could be in the bag when I bought it?
Result:
Using probability, the greatest number of sweets in the bag when you bought it = 5.
What is the Probability?Probability of selecting a red sweet = p,
Probability of selecting a green sweet = q.
We can set up the above in system of equations:
Case 1:
p² + q² = 2pq*(1.1)
Case 2:
pq + pq = 2pq*(1)
Simplifying the equations:
p² - 2.2pq + q² = 0
p*q = 0.5
Next, we use the quadratic formula to solve for p:
p = (2.2q ± √((2.2q)² - 4q²))/2
p = (2.2q ± 0.6q)/2
p = 1.1q ± 0.3q
Since p and q represent probabilities, they must be between 0 and 1, so set up the inequalities:
0 ≤ q ≤ 1
0 ≤ 1.1q ± 0.3q ≤ 1
Solving for the upper bound of q:
1.1q + 0.3q ≤ 1
1.4q ≤ 1
q ≤ 5/7
We round to the nearest whole number for q, since we are looking for the greatest number of sweets that could be in the bag:
q = 0, 1, 2, 3, 4, or 5
Solving for the corresponding values of p:
p = 1.1q + 0.3q
p = 1.4q
Next, calculate the value of p² + q² for each possible value of q:
When q = 0, p = 0 and p² + q² = 0
When q = 1, p = 1.4 and p² + q² = 2.2
When q = 2, p = 2.8 and p² + q² = 10.4
When q = 3, p = 4.2 andp² + q² = 22.8
When q = 4, p = 5.6 and p² + q² = 41.6
When q = 5, p = 7.0 and p² + q² = 68.0
Therefore, the greatest number of sweets that could be in the bag when you bought it is 5.
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Which inequality matches the graph?
Answer:
x < 2/3 y + 2 1/3
Step-by-step explanation:
put it in a graphing calculator and they matched, I do not know
Write the integer that describes a debt of twenty-five dollars.
Answer:
-25
Explanation:
Positive numbers represent an excess of something, whereas negative numbers represent a deficit. In the context of finance, positive numbers represent balance whereas negative numbers represent debt.
Therefore, if we want to write a
The upper-left coordinates on a rectangle are
(−4,4)
(4,4)
20 units.
Draw the rectangle on the coordinate plane below.
The rectangle has a length of 8 units along the top and bottom sides, and a height of 6 units along the vertical sides.
What is a rectangle?A rectangle is a four-sided flat shape with four right angles (90 degree angles) between the sides. It is a type of quadrilateral, which means a shape with four sides.
According to question:To find the length of the sides of the rectangle, we can use the distance formula:
d = √((x2 - x1)²+ (y2 - y1)²)
Using the coordinates (-4,4) and (4,4) for the two endpoints of the top side of the rectangle, we get:
d = √((4 - (-4))² + (4 - 4)²) = 8
Since the top side has length 8 and there are two top and two bottom sides of equal length, the perimeter is:
20 = 28 + 2L
where L is the length of one of the vertical sides. Solving for L, we get:
L = (20 - 2*8)/2 = 2
Therefore, the length of the vertical sides of the rectangle is 2 units.
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The length of rectangle is 8 units on the x-axis, and the width of rectangle is 4 units along the y-axis.
What is a perimeter of rectangle?The whole distance encircling a rectangle's edge is known as its perimeter. It is the total of the measurements of the rectangle's four sides.
The formula for calculating the perimeter P of a rectangle with length L and width W is as follows:
P = 2L + 2W
According to question:
To find the length of the sides of the rectangle, we can use the distance formula:
\(d = \sqrt{((x_{2} - x_{1} )^2+ (y_{2} - y_{1})^2)}\)
Using the coordinates (-4, 4) and (4, 4)
\(d = \sqrt{((4 - (-4) )^2+ (4 - 4)^2)}\) = 8 units
L (length) = 8 Units
So, the length of the horizontal sides (x-axis) of the rectangle is 8 units.
then, the top side has length 8 and there are top and bottom sides are equal length, the perimeter is: P = (8+8) + 2W
20 = 16 + 2W
where, L is the length of one of the vertical sides. Solving for L, we get:
W = (20 - 16)/2 = 2
So, the length of the vertical sides (y-axis) of the rectangle is 2 units.
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math project : I need an interesting project idea for mathematics that can relate 3 different topics, I should write a full research paper related on the topic this are some examples related to the project
You must state a question that you would like to answer. This must be a specific question within your topic and should be explored thoroughly to create a complete paper.
Examples:
(i) How can we use Mathematical/Calculus-based tools to study the spread of COVID-19?
(ii) Designing a new Mathematical/Calculus-based model to analyze the spread of COVID-19
(iii) How many entrances should there be at Expo to accommodate all visitors?
(iv) How much water does the UAE need in order to sustain its ever changing population? (i.e. comparing water usage vs. water production)
Literature review:
You must show using multiple references and sources of the current literature on your given topic. This does NOT imply that information is simply copied from the internet but rather you must present a comprehensive review and summary of the latest research on your topic. It is suggested that you chose a specific aspect of your topic in order to include all required elements.
Examples:
(i) Review of the existing Mathematical/Calculus-based models used to analyze the spread of COVID-19
(ii) Review of existing Mathematical/Calculus-based models and calculations regarding risk insurance.
Answer:
Here's an interesting project idea for mathematics that can relate three different topics:
Topic 1: Fractals
Topic 2: Chaos Theory
Topic 3: Differential Equations
Research Question: Can fractals be used to model chaotic systems described by differential equations?
In this project, you can explore the concept of fractals and their applications in modeling complex systems. You can also delve into chaos theory and differential equations to understand how they are used to describe chaotic systems. By combining these three topics, you can investigate whether fractals can provide a better understanding of chaotic systems by modeling them more accurately.
Your research paper can cover the following areas:
Introduction: Provide an overview of fractals, chaos theory, and differential equations, and explain their relevance to the research question.
Fractals: Discuss the properties of fractals and how they can be used to model complex systems. Provide examples of fractals in nature and technology.
Chaos Theory: Explain the concept of chaos and how it is described by differential equations. Discuss the importance of chaos theory in understanding complex systems.
Differential Equations: Provide an overview of differential equations and their applications in physics, engineering, and other fields. Explain how differential equations are used to model chaotic systems.
Combining the three topics: Explain how fractals can be used to model chaotic systems described by differential equations. Provide examples of fractals used in modeling chaotic systems and compare the results to traditional methods.
Conclusion: Summarize the findings of your research and discuss the implications of using fractals to model chaotic systems.
Overall, this project can be a challenging and rewarding exploration of the interplay between three different mathematical topics.
Step-by-step explanation:
Witch ratio is less than 15/24
Answer:
Answer choices: 1/2, 7/8, 19/24, 6/8.
Step-by-step explanation:
I need help!! Select all that apply
Answer: #1 . #2 #4
Step-by-step explanation:
cuz i know