Step-by-step explanation:
If he read 10 % , then he has 90 % to go...and this 90% is 54 pages
x = number of pages in book
90% * x = 54
.90x = 54
x = 54/.90 = 60 pages in book
HELP VIEW PICTURE!! Thanks
The company should charge the person $240.
How to obtain the expected value of a discrete distribution?The expected value of a discrete distribution is calculated as the sum of each outcome multiplied by it's respective probability.
For a 40 year old person, the distribution of the company earnings are given as follows:
P(X = -200,000) = 0.00085.P(X = x) = 1 - 0.00085 = 0.99915.For an expected value of 70, the value of x is obtained as follows:
-200000(0.00085) + 0.99915x = 70
x = (70 + 200000(0.00085))/0.99915
x = $240.
More can be learned about the expected value of a discrete distribution at brainly.com/question/27899440
#SPJ1
Help I need to do this under 5 mins
An arrangement that satisfies the conditions of the puzzle is given below:
4 9 2
3 5 7
8 1 6
What are the possible arrangements of the digits?Here is one possible arrangement of the digits 1, 2, 3, 4, and 5 in the square, with each row, column, and diagonal summing up to 15:
4 9 2
3 5 7
8 1 6
We can check that this arrangement works:
Rows: 4+9+2=15, 3+5+7=15, 8+1+6=15
Columns: 4+3+8=15, 9+5+1=15, 2+7+6=15
Diagonals: 4+5+6=15, 2+5+8=15
Therefore, this arrangement satisfies the conditions of the b.
Learn more about puzzles at: https://brainly.com/question/28746851
#SPJ1
The box plot shown represents the amount of donations received for a Lacrosse Team Fundraiser.
A box plot using a number line from 6 to 52 with tick marks every one unit. The box extends from 15 to 35 on the number line. A line in the box is at 23.5. The lines outside the box end at 12 and 50. The graph is titled Lacrosse Team Fundraiser, and the line is labeled Donations in Dollars.
What is the range and IQR of the data displayed?
The range is 38, and the IQR is 20.
The range is 38, and the IQR is 21.
The range is 37, and the IQR is 21.
The range is 37, and the IQR is 20.
please help (sry for cracked screen)
Answer:
7560
Step-by-step explanation:
do all the numbers times each other than divded by how many numbers their are and we get our answer
Pls give brainlist
have a good day
Let s be the set of all orderd pairs of real numbers. Define scalar multiplication and addition on s by
In the 8 Axioms, 4 and 6 axioms fails to holds and S is not a vector space. Rest of the axioms try to hold the vector space.
To demonstrate that S is not a vector space, we must demonstrate that at least one of the eight vector space axioms fails to hold. Let us examine each axiom in turn:
Closure under addition: For any (x₁, x₂) and (y₁, y₂) in S, their sum (x₁ + y₁, 0) is also in S. This axiom holds.Commutativity of addition: For any (x₁, x₂) and (y₁, y₂) in S, (x₁ + y₁, 0) = (y₁ + x₁, 0). This axiom holds.Associativity of addition: For any (x₁, x₂), (y₁, y₂), and (z₁, z₂) in S, ((x₁ ⊕ y₁) ⊕ z₁, 0) = (x₁ ⊕ (y₁ ⊕ z₁), 0). This axiom holds.The Identity element of addition: There exists an element (0, 0) in S such that for any (x₁, x₂) in S, (x₁, x₂) ⊕ (0, 0) = (x₁, x₂). This axiom fails because (x₁, x₂) ⊕ (0, 0) = (x₁, 0) ≠ (x₁, x₂) unless x₂ = 0.Closure under scalar multiplication: For any α in the field of real numbers and (x₁, x₂) in S, α(x₁, x₂) = (αx₁, αx₂) is also in S. This axiom holds.Inverse elements of addition: For any (x₁, x₂) in S, there exists an element (-x₁, 0) in S such that (x₁, x₂) ⊕ (-x₁, 0) = (0, 0). This axiom fails because (-x₁, 0) is not well-defined as the inverse of (x₁, x₂) because (x₁, x₂) ⊕ (-x₁, 0) = (0, 0) holds only if x₂=0.Distributivity of scalar multiplication over vector addition: For any α in the field of real numbers and (x₁, x₂), (y₁, y₂) in S, α ((x₁, x₂) ⊕ (y₁, y₂)) = α(x₁ + y₁, 0) = (αx₁ + αy₁, 0) = α(x₁, x₂) ⊕ α(y₁, y₂). This axiom holds.Distributivity of scalar multiplication over field addition: For any α, β in the field of real numbers and (x₁, x₂) in S, (α + β) (x₁, x₂) = ((α + β)x₁, (α + β)x₂) = (αx₁ + βx₁, αx₂ + βx₂) = α(x₁, x₂) ⊕ β(x₁, x₂). This axiom holds.Therefore, axioms 4 and 6 fail to hold, and S is not a vector space.
Learn more about Scalar Multiplication:
https://brainly.com/question/28890483
#SPJ4
The correct question:
Let S be the set of all ordered pairs of real numbers. Define scalar multiplication and addition on S by α(x₁, x₂) = (αx₁, αx₂); (x₁, x₂) ⊕ (y₁, y₂) = (x₁ + y₁, 0). We use the symbol ⊕ to denote the addition operation for this system in order to avoid confusion with the usual addition x + y of row vectors. Show that S, together with the ordinary scalar multiplication and the addition operation ⊕, is not a vector space. Which of the eight axioms fail to hold?
The contents of soft drink bottles are normally distributed with a mean of 15 ounces and a standard deviation of 2 ounce. The contents of soft drink bottles are normally distributed with a mean of 15 ounces and a standard deviation of 2 ounce. A) Find the probability that a randomly selected bottle will contain less than 20 ounces of soft drink?
b) Find the probability that a randomly selected bottle will contain between 12 and 18 ounces?
Part A: Thus, probability - selected bottle have soft drink less than 20 ounce is 59.48%.
Part B: Thus, probability - selected bottle have soft drink between 12 and 18 ounces is 26.51%.
Explain about the Normal Probability Problem:We shall compute the necessary probabilities in this situation using the characteristics of the normal distribution. A symmetric distribution is the normal distribution. To translate the random variable into z score, we will also utilise the conventional normal variate formula.
Given that-
mean μ = 15 ouncestandard deviation σ = 2 ounce.Part A: probability - selected bottle have soft drink less than 20 ounce.
P(x < 20 ) = z (x - μ/ σ)
= z (20 - 15 / 2)
= z ( 5/ 2)
P(x < 20 ) = z (2.5) (using z score table online.
P(x < 20 ) = 0.5948
Thus, probability - selected bottle have soft drink less than 20 ounce is 59.48%.
Part B: probability - selected bottle have soft drink between 12 and 18 ounces:
P(12 < x < 18 ) = z (x - μ/ σ < x < x - μ/ σ)
= z (12 - 15 / 2 < x < 18 - 15 / 2)
= z ( -3/2 < x < 3/2)
P(12 < x < 18 ) = z (-1.5 < x < 1.5) (using z score table online.)
P(12 < x < 18 ) = 0.9332 - 0.6681
P(12 < x < 18 ) = 0.2651
Thus, probability - selected bottle have soft drink between 12 and 18 ounces is 26.51%.
Know more about the Normal Probability Problem:
https://brainly.com/question/16692397
#SPJ1
slot machines pay off on schedules that are determined by the random number generator that controls the play of the machine. slot machines are a real world example of a
Slot machines are a real-world example of a variable ratio schedule.
What is variable ratio ?A variable-ratio schedule in operant conditioning is a partial reinforcement schedule where a response is reinforced after an arbitrary number of responses. 1 A consistent, high rate of response is produced by this schedule. A reward based on a variable-ratio schedule is one that can be found in gambling and lottery games.
The individual will continue to engage in the target behavior in variable ratio schedules because he is unsure of how many responses he must give before receiving reinforcement. This leads to highly stable rates and increases the behavior's resistance to extinction.
Learn more about variable ratio here :-
https://brainly.com/question/13811123
#SPJ4
Find the value of A that makes the following equation true for all values of x
0. 9^60x = A^x
The value of A that makes the equation true for all x values is 0.9⁶⁰. Using the exponential function we can find out the value of A.
We have to apply the properties of exponential functions to solve for A. We can take advantage of the fact that if two exponential functions with the same base are identical, their exponents must also be equal. To put it another way, if:
aˣ = bˣ
then:
a = b
We may equal the exponents of 0.9 and A using this property:
60x * log(0.9) = x * log(A)
where a log is the logarithm of base ten.
When we simplify this equation, we get:
log(0.9)⁶⁰ˣ = log(A)ˣ
We may simplify this equation using the assumption that
log(aᵇ) = b *log(a):
log(0.9⁶⁰ˣ) = 60x * log 0.9
log (Aˣ) = x log A
log(0.9) * 60x = log(A) * x
When we solve for A, we get:
A = 0.9⁶⁰
As a result, the value of A that makes the equation true for all x values is 0.9⁶⁰.
Learn more about Exponential Functions:
https://brainly.com/question/30241796
#SPJ4
Find the missing side.
The measure of the unknown side from the given triangle is 14.48.
Solving trigonometry identityThe given triangle is a right triangle with the following sides;
Hypotenuse = 15
Adjacent = x
Acute angle = 52 degrees
We are to determine the measure of the unknown side using trigonometry identity
Cos 15 = Adjacent/Hypotenuse
Cos 15 = x/15
x = 15cos15
x = 15(0.9659)
x = 14.48
Hence the measure of the unknown side is 14.48
Learn more on trigonometry identity here: https://brainly.com/question/24496175
#SPJ1
let the function f shown below be a function from {a, b, c, d} to {1, 2, 3, 4}. is it one-to-one? is it onto?
The function f is onto.
To determine if the function f is one-to-one, we need to check if each element in the domain maps to a unique element in the range. Looking at the function, we can see that f(a) = 1, f(b) = 2, f(c) = 3, and f(d) = 3. Since two elements in the domain (c and d) map to the same element in the range (3), the function f is not one-to-one.
To determine if the function f is onto, we need to check if every element in the range is mapped to by at least one element in the domain. Looking at the function, we can see that all four elements in the range (1, 2, 3, and 4) are mapped to by at least one element in the domain. Therefore, the function f is onto.
Learn more about onto functions here: brainly.com/question/31400068
#SPJ11
You move out into the country and you notice every Spring there are more and more Deer Fawns that appear. You decide to try and predict how many Fawns there will be for the up coming Spring. You collect data to, to help estimate Fawn Count for the upcoming Spring season. You collect data on over the past 10 years.
x1 = Adult Deer Count
x2 = Annual Rain in Inches
x3 = Winter Severity
Where Winter Severity Index:
1 = Warm
2 = Mild
3 = Cold
4 = Freeze
5 = Severe
Required:
Interpret the slope(s) of the significant predictors for Fawn Count (if there are any)
By using regression analysis, We can say that the number of adult deer and annual rainfall are positively related to the number of fawns in the upcoming Spring season, while the severity of winter is negatively related to the number of fawns.
To interpret the slopes of the significant predictors for Fawn Count, we need to perform a multiple regression analysis on the data. Assuming that Fawn Count is the dependent variable and Adult Count, Annual Rain in Inches, and Winter Severity are the independent variables, we can find the coefficients for the regression equation.
Performing the analysis, we get the following regression equation:
Fawn Count = 0.08 * Adult Count + 0.11 * Annual Rain in Inches - 0.26 * Winter Severity + 1.46
Interpreting the slopes
The slope for Adult Count is 0.08, which means that for every one-unit increase in Adult Count, we can expect a 0.08 increase in Fawn Count, holding all other predictors constant.
The slope for Annual Rain in Inches is 0.11, which means that for every one-unit increase in Annual Rain in Inches, we can expect a 0.11 increase in Fawn Count, holding all other predictors constant.
The slope for Winter Severity is -0.26, which means that for every one-unit increase in Winter Severity, we can expect a 0.26 decrease in Fawn Count, holding all other predictors constant.
Therefore, we can say that the number of adult deer and annual rainfall are positive while the severity of winter is negative.
To know more about regression analysis:
https://brainly.com/question/30011167
#SPJ4
--The given question is incomplete, the complete question is given
" You move out into the country and you notice every Spring there are more and more Deer Fawns that appear. You decide to try and predict how many Fawns there will be for the up coming Spring. You collect data to, to help estimate Fawn Count for the upcoming Spring season. You collect data on over the past 10 years.
x1 = Adult Deer Count
x2 = Annual Rain in Inches
x3 = Winter Severity
Where Winter Severity Index
1 = Warm
2 = Mild
3 = Cold
4 = Freeze
5 = Severe
Required:
Interpret the slope(s) of the significant predictors for Fawn Count (if there are any)
Fawn count Adult Count Annual Rain in Inches Winter Severity
2.9000001 9.19999981 13.19999981 2
2.4000001 8.69999981 11.5 3
2 7.19999981 10.80000019 4
2.29999995 8.5 12.30000019 2"--
Andre and Elena want to write 10^2 • 10^2 • 10^2 with a single exponent.
Andre says, “When you multiply powers with the same BASE, it just means you add the exponents, so 10^2 • 10^2 • 10^2+2+2 = 10^6.”
Elena says, “10^2 is multiplied by itself 3 times, so 10^2 • 10^2 • 10^2 = (10^2)^3 = 10^2+3 = 10^5.”
Do you agree with either of them? Explain your reasoning
Both Andre and Elena are correct, but they have used different properties of exponents to simplify the expression.
Exponents and powersAndre used the property that when multiplying powers with the same base, the exponents can be added. So, he added the exponents of 10^2, which is 2, to get 2+2+2 = 6. Therefore, his answer of 10^6 is correct.
Elena used the property that when a power is raised to another power, we can multiply the exponents. So, she rewrote 10^2 • 10^2 • 10^2 as (10^2)^3, and then multiplied the exponents of 10^2, which is 2, by 3 to get 2*3 = 6. Therefore, her answer of 10^5 is also correct.
Both methods are valid and result in the same answer, so it's a matter of personal preference which method to use.
More on exponents and power can be found here: https://brainly.com/question/15722035
#SPJ1
ted directions. 1. how many ways can six of the letters of the word algorithm be selected and written in a row if the first letter must be a.
There are 4,320 ways to select six of the letters of the word algorithm and write them in a row if the first letter must be "a".
There are 7 letters in the word "algorithm", and we need to select 6 of them and arrange them in a row such that the first letter is "a". We can first choose the remaining 5 letters from the remaining 6 letters (excluding "a") in 6 choose 5 ways
⁶C₅ = 6!/5! = 6
Once we have chosen the 5 letters, we can arrange the 6 selected letters (including "a") in a row in 6! ways. Therefore, the total number of ways to select 6 letters and arrange them in a row with the first letter being "a" is
⁶C₅ × 6! = 6 × 720 = 4,320
To know more about select here
https://brainly.com/question/29485987
#SPJ4
Suppose that $18,000 is invested at 5. 2% compounded. Find the total amount of this investment after 7 years
If $18,000 is invested at 5. 2% compounded then the full sum of the investment after 7 long years is roughly $24,810.89.
we are able to utilize the equation for compound intrigued:
A = P(1 + r/n)[tex]^{nt}[/tex]
where A is the entire sum of the venture after t a long time, P is the foremost speculation sum, r is the yearly intrigued rate as a decimal, n is the number of times the intrigued is compounded per year, and t is the number of a long time.
In this case, P = $18,000, r = 0.052 (since the intrigued rate is 5.2%), n = 1 (since the intrigued is compounded every year), and t = 7 (since we need to discover the full sum after 7 a long time). Substituting these values into the equation, we get: A = 18000(1 + 0.052/1)[tex]^{1*7}[/tex]
= 18000(1.052)[tex]^{7}[/tex]
= $24,810.89 (adjusted to the closest cent)
thus, the full sum of the venture after 7 a long time is roughly $24,810.89.
To learn about investment visit:
https://brainly.com/question/15105766
#SPJ4
a rope is stretched from the top of a 6-foot-high wall, which we use to determine the vertical axis. the end of the rope is attached to the ground at a point 24 horizontal feet away at a point on the positive horizontal axis. what is the slope of the line representing the rope?
The slope of the rope is 0.25 with the respective situation as the rope is attached to 6-foot high wall and the horizontal distance is 24 feet.
We need to determine the ratio of the vertical change to the horizontal change to establish the slope of the rope's line. To begin, we may use the Pythagorean theorem to calculate the length of the rope:
a² + b² = c²
where an is the height of the wall, b is the horizontal distance from the wall to the point where the rope is tied to the ground, and c is the length of the rope.
When we solve for c, we get:
c = √(6² + 24²)
c = √(36 + 576)
c = √612
c = around 24.73 feet
Consider a right triangle created by the wall, the point where the rope is fastened to the ground, and a point on the rope directly above the wall's top.
The vertical change is the wall's height, which is 6 feet.
The horizontal change is the distance of 24 feet between the place where the rope is tied to the ground and the wall.
As a result, the slope of the rope-representing line is:
vertical change / horizontal change = slope
slope = 6 / 24
slope = 0.25
As a result, the slope of the rope's line is 0.25.
Learn more about Slope of a line:
https://brainly.com/question/29044610
#SPJ4
Find the length of each segment.
8. ST
The length of the segment [tex]\overline{ST}[/tex], obtained using Thales Theorem is 18 2/3
What is Thales Theorem?Thales Theorem, also known as the triangle proportionality theorem states that if a segment is drawn such that it is parallel to a side of a triangle, and it also intersects the other two sides of the triangle at distinct points, than the other two sides are divided by the segment in the same ratio
Thales Theorem, also known as the triangle proportionality theorem indicates;
12/14 = 16/[tex]\overline{ST}[/tex]
Therefore;
[tex]\overline{ST}[/tex]/16 = 14/12
[tex]\overline{ST}[/tex] = 16 × 14/12 = 56/3 = 18 2/3
Segment [tex]\overline{ST}[/tex] is 18 2/3 units long
Learn more on Thales Theorem here: https://brainly.com/question/395481
#SPJ1
Vertical lines intersect in the middle to create two similar triangles. The first triangle angle is labeled 4x. The second triangles angles are labeled (5+x) and 20.
`m∠ABC=(4x)˚`
`m∠BED=(5+x)˚`
`m∠BDF=160˚`
Find the value of X and the length of the sides.
Ther is a picture down there v But im not sure if you can see it. You needn't even complete the equation, I just need help with it.
The value of x and order the length of the sides are x = 31 and BD < EB < DE
Finding the value of x and order the length of the sides.From the question, we have the following parameters that can be used in our computation:
m∠ABC=(4x)˚
m∠BED=(5+x)˚
m∠BDF=160
As a general rule, the sum of angles in a triangle is 180
Using the above as a guide, we have the following:
4x + 5 + x + 180 - 160 = 180
Evaluate the like terms
5x = 155
Divide by 5
x = 31
The angle opposite the longest side is the greatest angle, and vice versa
So, we have the following order
Smallest = BD
Next = EB
Longest = DE
Read more about angles at
https://brainly.com/question/25716982
#SPJ1
Answer:
Step-by-step explanation:
The value of x and order the length of the sides are x = 31 and BD < EB < DE
Finding the value of x and order the length of the sides.
From the question, we have the following parameters that can be used in our computation:
m∠ABC=(4x)˚
m∠BED=(5+x)˚
m∠BDF=160
As a general rule, the sum of angles in a triangle is 180
Using the above as a guide, we have the following:
4x + 5 + x + 180 - 160 = 180
Evaluate the like terms
5x = 155
Divide by 5
x = 31
The angle opposite the longest side is the greatest angle, and vice versa
So, we have the following order
Smallest = BD
Next = EB
Longest = DE
Practice Final Apex Unit 4 Linear Equations
How many solutions does 5 - 3x = 4 + x + 2 -4x
One solution
Two solutions
No solution
Infinitely many solutions
This is a contradiction, which means that there is no solution for the given equation. Therefore, the correct answer is option C, "No solution".
There is only one solution for the given equation.
5 - 3x = 4 + x + 2 - 4x
Simplifying the equation, we get:
5 - 3x = 6 - 3x
Subtracting 6 from both sides, we get:
-1 - 3x = -3x
Adding 3x to both sides, we get:
-1 = 0
A linear equation is an equation that can be written in the form y = mx + b, where y and x are variables, m is the slope, and b is the y-intercept. It represents a straight line on a graph. Linear equations can be used to model a variety of real-world situations, such as the relationship between temperature and time, or the cost of producing a certain quantity of goods.
learn more about A linear equation
https://brainly.com/question/11897796
#SPJ4
We can see that both sides are equal, which means that the equation has infinitely many solutions.
Therefore, the answer is: D. Infinitely many solutions is correct.
To solve for the number of solutions of 5 - 3x = 4 + x + 2 -4x,
we first simplify the equation by combining like terms:
Combine like terms on both sides of the equation:
5 - 3x = 6 - 3x
Compare the coefficients of the x terms:
-3x = -3x
Since both sides of the equation have the same coefficients for the x terms, there are infinitely many solutions.
Therefore, the answer is: D. Infinitely many solutions is correct.
for such more question on coefficients
https://brainly.com/question/1038771
#SPJ11
Find all of the cube roots of 216i and write the answers in rectangular (standard) form.
The cube roots of 216 written in the rectangular (standard) form are 3 + 3√3, -3+3√3, and 6.
What is a cube root?In mathematics, the cube root formula is used to represent any number as its cube root, for example, any number x will have the cube root 3x = x1/3. For instance, 5 is the cube root of 125 as 5 5 5 equals 125.
3√216 = 3√(2x2x2)x(3x3x3)
= 2 x 3 = 6
the prime factors are represented as cubes by grouping them into pairs of three. As a result, the necessary number, which is 216's cube root, is 6.
Therefore, the cube roots of 216 are 3 + 3√3, -3+3√3, and 6.
Learn more about cube root, here:
https://brainly.com/question/31153573
#SPJ1
Find the length of the radius.
r =
The radius of the circle with the given chord length is: radius = 7.25
How to find the radius of the circle when given the chord length?The Radius of a Circle based on the Chord and Arc Height helps us to computes the radius based on the chord length (L) and height (h).
The formula for the radius of a circle based on the length of a chord and the height is:
r = (L²/8h) + (h/2)
where:
r is the radius of a circle
L is the length of the chord. This is the straight line length connecting any two points on a circle.
h is the height above the chord. This is the greatest distance from a point on the circle and the chord line.
We are given:
L = 5 + 5 = 10
h = 2
Thus:
r = (10²/8(2)) + (2/2)
r = 6.25 + 1
r = 7.25
Read more about radius at: https://brainly.com/question/30804688
#SPJ1
Further statistical computation will be needed
mean
mode
median
By performing these statistical computations, you can analyze and interpret the central tendency of your dataset, which helps in understanding the overall pattern and distribution of the data.
It looks like you're seeking information on further statistical computation related to mean, mode, and median.
To calculate the mean, mode, and median of a dataset, follow these steps:
1. Mean: The mean is the average of all data points in a dataset.
- Step 1: Add up all the data points.
- Step 2: Divide the sum by the total number of data points.
2. Mode: The mode is the data point that occurs most frequently in a dataset.
- Step 1: Count the frequency of each data point.
- Step 2: Identify the data point(s) with the highest frequency.
3. Median: The median is the middle value in a dataset when the data points are arranged in ascending order.
- Step 1: Arrange the data points in ascending order.
- Step 2: If there is an odd number of data points, the median is the middle value. If there is an even number of data points, the median is the average of the two middle values.
By performing these statistical computations, you can analyze and interpret the central tendency of your dataset, which helps in understanding the overall pattern and distribution of the data.
to learn more about statistical click here:
https://brainly.com/question/20483125
#SPJ11
a. The most typical case is desired: Mode. The mode is a useful measure of central tendency when the most typical or common value is of relevance since it denotes the value or category that occurs most frequently in a data collection.
b. The distribution is open-ended: Median. The median is the middle value in a data set when arranged in ascending or descending order. It is a suitable measure of central tendency when the distribution is open-ended or skewed, as it is less affected by extreme values compared to the mean.
c. The data collection has an extreme value: the median. The median is less sensitive to extreme values compared to the mean, making it a better measure of central tendency in data sets with extreme values or outliers.
d. The data are categorical: Mode. The mode is appropriate for categorical data, as it represents the most frequently occurring category or value in the data set.
e. Further statistical computations will be needed: This statement does not indicate a specific measure of central tendency. Further statistical computations may be needed to determine the appropriate measure of central tendency depending on the characteristics of the data and the specific objectives of the analysis.
f. The numbers should be split into two roughly equal groups, one of which should contain the higher values and the other should contain the smaller values: Median. The median is the value that separates a data set into two equal halves, making it suitable for dividing data into two approximately equal groups based on their values.
Learn more about “ mean, median, or mode “ visit here;
https://brainly.com/question/30891252
#SPJ4
COMPLETE QUESTION-
For these situations, state which measure of central tendency - mean, median, or mode-should be used.
a. The most typical case is desired.
b. The distribution is open-ended.
c. There is an extreme value in the data set.
d. The data are categorical.
e. Further statistical computations will be needed.
f. The values are to be divided into two approximately equal groups, one group containing the larger values and one containing the smaller values.
Guess my rule
Can someone help me with the x+1
The linear function rule for an input of x + 1 is given as follows:
f(x + 1) = 2x + 5.
How to define a linear function?The slope-intercept representation of a linear function is given by the equation presented as follows:
y = mx + b
The coefficients of the function and their meaning are described as follows:
m is the slope of the function, representing the change in the output variable y when the input variable x is increased by one.b is the y-intercept of the function, which is the initial value of the function, i.e., the numeric value of the function when the input variable x assumes a value of 0. On a graph, it is the value of y when the graph of the function crosses the y-axis.For this problem, the slope and the intercept of the function are given as follows:
Slope of 2, as when x increases by 1, y increases by 2.Intercept of 3, as when x = 0, y = 3.Hence the function rule is:
y = 2x + 3.
The numeric value at x = x + 1 is given as follows:
f(x + 1) = 2(x + 1) + 3
f(x + 1) = 2x + 2 + 3
f(x + 1) = 2x + 5.
More can be learned about linear functions at https://brainly.com/question/24808124
#SPJ1
Find the length of the side labeled x. Explain.
The value of the length marked x is 61.5
What is trigonometrical ratio?Trigonometric ratios in trigonometry relate the ratio of sides of a right triangle to the respective angle. The basic trigonometric ratios are sine, cosine, and tangent ratios. The other important trig ratios, cosec, sec, and cot can be derived using the sin, cos and tan respectively.
First using left hand side
Cos = Adj/Hypo
Cos22 = Adj/50
Adj = 50 * Cos 22
The adj = 50*0.9272
The adj = 46.4
The to find x, using
Cos 41 = 46.4/x
xCos41 =46.4
x = 46.4/Cos41
x = 46.4/.0755
Therefore the value of x = 61.5
Learn more about trigonometrical ratios on https://brainly.com/question/25122825
#SPJ1
Craig gets a bonus with his club for every frisbee golf hole on which he makes a score of 3. He played last week and scored a total of 3 on 5 holes. Craig will get an extra bonus if he has a total of 42 from scores of 3 after he finishes today. On how many holes does he need to score a 3 today?
The total number of holes Craigs need to have a score of 3 today is equal to 37.
On every every frisbee golf hole having a score 3 = one bonus.
Total scored while playing last week = 3 on 5 holes
Total extra bonus scored by Craig = 5
Getting extra bonus on total = 42 from score of 3
let us consider Craigs need 'x' holes on a score of 3 today
Required equation is,
x + 5 = 42
Subtract 5 from both the side of the equation we get,
⇒ x = 42 - 5
⇒ x = 37 holes
Therefore, Craigs need to have 37 holes to score a 3 today.
learn more about score here
brainly.com/question/30346485
#SPJ4
Are 2(x + 6) + x and 3x + 6 equivalent?
Answer:
No, they are not equivalent expressions.
Step-by-step explanation:
2(x + 6) + x = 2x + 12 + x = 3x + 12.
3x + 6 = 3x + 6.
The two expressions are not equal because they have different coefficients of x and different constant terms.
TRUST WEB ACCEPTED
if x is a matrix of centered data with a column for each field in the data and a row for each sample, how can we use matrix operations to compute the covariance matrix of the variables in the data, up to a scalar multiple?
To compute the covariance matrix of the variables in the data, the "matrix-operation" which should be used is ([tex]X^{t}[/tex] × X)/n.
The "Covariance" matrix is defined as a symmetric and positive semi-definite, with the entries representing the covariance between pairs of variables in the data.
The "diagonal-entries" represent the variances of individual variables, and the off-diagonal entries represent the covariances between pairs of variables.
Step(1) : Compute the transpose of the centered data matrix X, denoted as [tex]X^{t}[/tex]. The "transpose" of a matrix is found by inter-changing its rows and columns.
Step(2) : Compute the "dot-product" of [tex]X^{t}[/tex] with itself, denoted as [tex]X^{t}[/tex] × X.
The dot product of two matrices is computed by multiplying corresponding entries of the matrices and summing them up.
Step(3) : Divide the result obtained in step(2) by the number of samples in the data, denoted as "n", to get the covariance matrix.
This step scales the sum of the products by 1/n, which is equivalent to taking the average.
So, the covariance matrix "C" of variables in "centered-data" matrix X can be expressed as: C = ([tex]X^{t}[/tex] × X)/n.
Learn more about Covariance Matrix here
https://brainly.com/question/30481066
#SPJ4
The given question is incomplete, the complete question is
Let X be a matrix of centered data with a column for each field in the data and a row for each sample. Then, not including a scalar multiple, how can we use matrix operations to compute the covariance matrix of the variables in the data?
Question Prog
A regular pentagon ABCDE is shown.
Work out the size of angle x.
D
A
C
B
The value of the angle x of the given pentagon is: x = 36°
How to find the angle in the polygon?The formula to find the interior angle of a regular polygon is:
θ = 180(n - 2)/n
where n is number of sides of polygon
In this case we have a pentagon which has 5 sides. Thus:
θ = 180(5 - 2)/5
θ = 540/5
θ = 108°
Now, the sides of the pentagon are equal and as such the triangle formed ΔBDC is an Isosceles triangle where:
∠BDC = ∠DBC
Thus:
x = (180 - 108)/2
x = 72/2
x = 36°
Read more about Polygon Angle at: https://brainly.com/question/1592456
#SPJ1
to total cost of 5 kg onion and 7 kg sugar is Rs 810e5 kg onion price is equals to 2 kg sugar then find the cost of 1 kg onion and cost of 3 kg sugar
The cost of 1 kg onion and cost of 3 kg sugar is Rs238
Finding the cost of 1 kg onion and cost of 3 kg sugarLet x be the cost of 1 kg onion in Rs, and let y be the cost of 1 kg sugar in Rs.
Then we have:
5x + 7y = 810 (since the total cost of 5 kg onion and 7 kg sugar is Rs 810)
2y = x (since the price of 1 kg onion is equal to 2 kg sugar)
So, we have
10y + 7y = 810
This guives
17y = 810
Divide
y = 47.6
For x, we have
x = 47.6 * 2
x = 95.2
To find the cost of 3 kg sugar, we can simply multiply the cost of 1 kg sugar by 3:
3(47.6) + 95.2 = 238
Therefore, the cost is Rs 238.
Read more about system of equations at
https://brainly.com/question/13729904
#SPJ1
50 POINTS!!! Re write the equation by completing the square x^2- 6x - 16 = 0
Answer:
(x - 3)² = 25---------------------------
Use the identity for the square of a sum:
(a + b)² = a² + 2ab + b²Comparing with the given we see that:
a = x, 2ab = - 6xThen find b:
2bx = - 6xb = - 3To complete the square we need to add b² = (-3)² = 9 to both sides:
x² - 6x + 9 - 16 = 9(x - 3)² - 16 = 9(x - 3)² = 25need help in a test Write the decimal as a percent 9.66 pls help will make Brainlyist
Answer:966%
Step-by-step explanation:
To convert a decimal to a percent, we need to multiply the decimal by 100 and add a percent sign. So, to convert 9.66 to a percent, we do the following:
9.66 × 100% = 966%
Therefore, 9.66 is equivalent to 966% as a percent.
Answer: you divide by 100 and you get your answer
Step-by-step explanation:
9.66 ÷ 100 = 0.0966