All answers that describe the quadrilateral are parallelogram and rhombus.
How is the diagram a rhombus and parallelogram?In the diagram provided as seen from online sources, the lines, BO=OD and this equals x. Next, SO=OC which equals s. Since the diagonals bisect each other, we can refer to this as a parallelogram.
Next, angle ABO equals angle ADO and since the opposite sides are parallel and equal, we can also refer to the quadrilateral as a rhombus.
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y=400(0.99)x growth or decay
The given function of the growth decay is decreasing.
What in mathematics is an exponential?
The formula for an exponential function, often known as an exponential function, is f (x) = axe, where "x" is a variable and "a" is a constant that serves as the function's basis and must be greater than 0.The transcendental number, abbreviated e, which is roughly equivalent to 2.71828, is the most often used exponential function basis.
We have given that,
Y=400(.99)^x
Exponential growth is a process that increases quantity over time. decreases over time, and is said to be undergoing exponential decay instead.
Therefore, The given function of the growth decay is decreasing.
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A musician on tour exchanges American dollars for British pounds. The equation y = 1.25 x models the relationship between pounds ( x ) and dollars ( y ). Positive numbers represent bank deposits, and negative numbers represent bank withdrawals.
The y-intercept of 0 indicates that if the musician does not exchange any pounds, they will not receive any dollars.
What is the meaning of the slope and y-intercept in this context?In the given equation, y = 1.25x, the slope is 1.25, and the y-intercept is 0.
The slope represents the exchange rate between pounds and dollars. Specifically, it tells us that for every pound exchanged, the musician receives 1.25 dollars.
The y-intercept of 0 indicates that if the musician does not exchange any pounds, they will not receive any dollars.
Keep in mind that positive numbers in this context reflect bank deposits, whereas negative numbers represent bank withdrawals
. As a result, a positive value for y indicates money received, whereas a negative value for y indicates money taken out.
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On Monday 149 people each bought 1 CD at a music store. On Tuesday 263 people each bought 1 All the CDs cost $9. What was the total amount paid for the CDs on these two days?
Answer:
Step-by-step explanation:
On Monday, the total amount paid for CDs = 149 * $9 = $1341
On Tuesday, the total amount paid for CDs = 263 * $9 = $2367
Therefore, the total amount paid for CDs on these two days = $1341 + $2367 = $3708.
the average math sat score for incoming freshman at a particular college is 535 with a standard deviation of 60. the coefficient of variation for sat scores at this school is
The coefficient of variation for SAT scores at this school is 11.21%. This means that the standard deviation of the SAT scores is about 11.21% of the mean score.
The coefficient of variation (CV) is a measure of relative variability, defined as the ratio of the standard deviation to the mean of a dataset. It is expressed as a percentage and provides a way to compare the variability of datasets with different means.
To calculate the CV for SAT scores at this particular college, we first need to calculate the standard deviation of the dataset. We are given that the average SAT score for incoming freshmen is 535 with a standard deviation of 60. Therefore, the standard deviation (s) is 60.
Next, we need to calculate the mean of the dataset. We are given that the mean (μ) is 535.
The coefficient of variation is then given by:
CV = (s / μ) x 100%
Substituting the values, we get:CV = (60 / 535) x 100%
= 0.1121 x 100%
= 11.21%
Therefore, the coefficient of variation for SAT scores at this school is 11.21%. This means that the standard deviation of the SAT scores is about 11.21% of the mean score. This information can be useful in comparing the variability of SAT scores between different colleges, even if their mean scores are different.
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The coefficient of variation for SAT scores at this school is approximately 11.21%.
The coefficient of variation for SAT scores at this school can be calculated using the following formula:
Coefficient of Variation = (Standard Deviation / Mean) x 100
Given the average math SAT score for incoming freshmen at this particular college is 535 and the standard deviation is
60, we can plug these values into the formula:
Coefficient of Variation = (60 / 535) x 100
Now, let's perform the calculations:
Coefficient of Variation ≈ 11.21 %
So, the coefficient of variation for SAT scores at this school is approximately 11.21%.
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What is the critical value � ∗ t ∗ t, start superscript, times, end superscript for constructing a 98 % 98%98, percent confidence interval for a mean with 13 1313 degrees of freedom?
To construct a 98% confidence interval, the critical value is 2.624.
We have,
98% Confidence Interval
Sample size, n= 15
At 98%,
Degree = n-1
= 15-1= 14
So, For a 98% confidence level with 14 degrees of freedom, the critical value is 2.624.
Therefore, to construct a 98% confidence interval, the critical value is 2.624.
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how many centimeters
Answer:
[tex].28(22) + 3 = 9.16[/tex]
The predicted width of a foot with a length of 22 centimeters is 9.16 centimeters.
SOMEONE PLS HELP ASAP
Answer:
10.12
Step-by-step explanation:
440=(x)(4x+3)
=10.11979...
For Exercises 26-28, SU is tangent to OP at point?. Find each measure. SEE EXAMPLES 2 AND 3
26. MTW
27. MLTWX
28. MLTWV
Answer:
Step-by-step explanation:
North Carolina has 12 less electoral votes than florida. Write and solve a subtraction equation to find the total number of electoral votes for florida
The total number of electoral votes for Florida is equal to 27 electoral votes.
How to write an equation to model this situation?In order to write a linear equation to describe this situation, we would a assign variable to the total number of electoral votes for Florida and the total number of electoral votes for North Carolina, and then translate the word problem into a linear equation as follows:
Let the variable x represent the the total number of electoral votes for Florida.Let the variable y represent the the total number of electoral votes for North Carolina.Since North Carolina has 12 less electoral votes than Florida, a linear equation that can be used to model this situation is given by;
y = x - 12
15 = x - 12
x = 15 + 12
x = 27 electoral votes.
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Complete Question:
North Carolina has 12 less electoral votes than Florida. Write and solve a subtraction equation to find the total number of electoral votes for Florida when North Carolina has 15 votes.
In AVWX, m/V = (4x+3)°, m/W = (x+7)°, and m/X = (5x+0)º.
What is the value of z?
1
O
0
The value of x is given as follows:
x = 17.
How to obtain the value of x?We obtain the value of x for this problem considering that the sum of the measures of the internal angles of a triangle is of 180º.
The internal angles of the triangle is given as follows:
4x + 3.x + 7.5x.The sum of the measures of the angles is of 180º, hence the value of x is given as follows:
4x + 3 + x + 7 + 5x = 180
10x + 10 = 180
10x = 170
x = 17.
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Please help! Equation is below.
The values of a that make (x - a) a factor of x^4 - 5x³ - 21x² - 23x - 8 are given as follows:
a = 8 and a = -1.
How to obtain the values of a?The polynomial is given as follows:
f(x) = x^4 - 5x³ - 21x² - 23x - 8
By the factor theorem, x - a is a factor of a polynomial f(x) if f(a) = 0.
The numeric value at x = a is given as follows:
f(a) = a^4 - 5a³ - 21a² - 23a - 8.
Hence the values of a are obtained solving the equation presented as follows:
a^4 - 5a³ - 21a² - 23a - 8 = 0.
Using a calculator, the values of a are given as follows:
a = 8 and a = -1.
(the root of -1 has a multiplicity of 3).
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When eliminating a loop-carried dependency that adds a constant, the closed-form direct solution will likely contain a multiplication. true or false
The statement "When eliminating a loop-carried dependency that adds a constant, the closed-form direct solution will likely contain a multiplication" is true because eliminating a loop-carried dependency that adds a constant simplifies the equation, but to obtain a closed-form direct solution, we need to express the result as a function of the current iteration's variables only
When eliminating a loop-carried dependency that adds a constant, the closed-form direct solution will likely contain a multiplication. This is because the loop-carried dependency adds a constant to the result of the previous iteration, which means that the current iteration's result is a function of both the current iteration's variables and the previous iteration's result.
By eliminating this dependency, we remove the need to use the previous iteration's result, which simplifies the equation. However, to obtain a closed-form direct solution, we need to express the result as a function of the current iteration's variables only, which often involves a multiplication. This is because multiplication is a fundamental mathematical operation that allows us to combine variables in a way that preserves their individual values.
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True. When eliminating a loop-carried dependency that adds a constant, the closed-form direct solution will likely contain a multiplication. This is because the loop-carried dependency is typically expressed as an addition, and removing it would result in a product of the loop index and the constant.
when eliminating a loop-carried dependency that adds a constant, the closed-form direct solution will likely contain a multiplication. This is because the process often involves applying mathematical transformations that result in multiplications to simplify the loop and eliminate dependencies.
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Find x.
Round to the nearest tenth:
y
29⁰
500 ft
x = [? ]ft
Enter
Required value of x is 201.52 ft.
What is Trigonometric ratio?
Trigonometric ratios are defined as the values of all trigonometric functions based on the value of the ratio of the sides of a right triangle. The ratio of the sides of a right triangle to its acute angles are called the trigonometric ratios of that particular angle.
For example,tan(θ) = opposite/adjacent where θ is the angle between the hypotenuse and the base.
We want to solve for x, the length of the adjacent side. We also know that the hypotenuse is 500 ft and the height is y.
Here by the given figure, it is clear that angle between height and hypotenuse is (90°-29°) = 61°
So, θ = 61°
[tex]tan( {61}^{o} ) = \frac{y}{x} [/tex]
Simplifying this expression,
[tex]x = \frac{y}{tan(61°)}[/tex]
To solve for y, for the right angle triangle
[tex]y^2 + x^2 = 500^2[/tex]
Substituting the expression for x from the first equation,
y² + (y/tan(61°))² = 500²
Solving for y, we get:
y = 500 / √(1 + (1/tan(61°))²)
y ≈ 357.98 ft
Finally, we can substitute this value of y into the expression for x that we derived earlier,
x = y/tan(61°)
x ≈ 201.52 ft
Therefore, the value of x is approximately 201.52 ft.
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Which choice shows (4+9)+11 correctly rewritten using the associative property and then correctly simplified ?
o 11+(4+9)=11+13=24
o 4+(9+11)=4+20=24
o 4+(91+1)=4+92=96
o 11+(9+4)=11+13=24
The associative property of addition:
[tex](a + b) + c = a + (b + c)[/tex]
We now apply the associative property of addition to the expression in this problem.
[tex](4+9)+11=4+(9+11)[/tex]
Now we follow the correct order of operations by adding the numbers inside the parentheses first.
[tex]= 4 + 20[/tex]
[tex]= 24[/tex]
Answer: B
What is the area, in square centimeters, of an 8.5 inch by 11 inch sheet of paper?A) 94 cm2 B) 240 cm2 C) 420 cm2 D) 6.0 × 102 cm2 E) 1.2 × 104 cm2
The square of the centimeter of the area is calculated by the square of the centimeter. The area of the rectangle is calculated by the formula width x length. So the rectangles area is 94cm
Squares have only one side that is squared to find the area of the shape. But in rectangle there will be two sides given that width and length of the shape. So to find the area the width and the length of the rectangle is given so the numerical must be multiplied. In the given question the width of the rectangle is 8.5 and the length of the rectangle is 11.
o the area of the rectangle can be found by the formula= w x l
=8.5 x 11
=93.5
approximately can be taken as 94 cm.
A rectangle can is a four sided shape that includes the length, width and height and that opposites sides are equal in the rectangle. The adjacent sides of the rectangle is perpendicular and the angle is right angle that is it is measured as 90 degree. A rectangle can be a parallelogram but parallelogram can not be equal to the rectangle.
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The question has an area because the square because the square has only one side and the area of the square can be found by squaring one side of square. So the actual question should be What is the area, in rectangle centimeters, of an 8.5 inch by 11 inch sheet of paper?
There are 11 athletes at a track meet. How many different ways can they finish first, second, and third?
The button on Ted's jacket has a diameter of 10 millimetres. What is the button's radius?
Answer:
To find the button's radius, we need to divide its diameter by 2, since the radius is half the size of the diameter.
radius = diameter ÷ 2
Given that the diameter of Ted's button is 10 millimeters, we can substitute it into the above formula to get:
radius = 10 mm ÷ 2
radius = 5 mm
Therefore, the button's radius is 5 millimeters.
Consider the following statement: If 4x = 8, then x = 2. What is the inverse to this statement?
O If x2, then 4x*8
O If x=2, then 4x = 8
O If 4x8, then x*2
O If x=2, then 4x*8
Answer: Its the last one
Step-by-step explanation:
Which scenario represents exponential growth?
Responses
A water tank is filled at a rate of 222 gallons per minute.
A water tank is filled at a rate of 222 gallons per minute.,
A vine grows 6 inches every week.
A vine grows 6 inches every week.,
A species of fly doubles its population every month during the summer.
A species of fly doubles its population every month during the summer.,
Car Distance increases from a garage as it travels at a constant speed of 25 miles per hour.
_ indicates a monitor’s ability to display colors by comparing the light intensity of the brightest white to the darkest black. multiple choice
Contrast ratio is a measurement that indicates the ability of a monitor to display colors by comparing the brightness of the brightest white to the darkness of the darkest black. The correct option is A.
The contrast ratio is usually expressed as a ratio, such as 1000:1 or 5000:1, with the first number indicating the brightness of the white and the second number indicating the darkness of the black. The higher the contrast ratio, the better the monitor is able to display a wide range of colors and shades. A high contrast ratio is important for tasks such as image and video editing, as it allows for more accurate color representation and contrast in the final product.
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Full Question ;
This indicates the monitor's ability to display colors by comparing the light intensity of the brightest white to the darkest black.
Question 1 options:
A) Contrast ratio
B) Dot Pitch
C) Active display area
D) Resolution
Contrast ratio Indicates a monitor's ability to display colors by comparing the light intensity of the brightest white to the
darkest black. The term you are looking for is "contrast ratio."
The brightness of the brightest shade (white) to the deepest shade (black) that the system is capable of producing is
measured as the contrast ratio (CR), a display system characteristic.
A display's desired feature is a high ratio of contrast. It resembles dynamic range in certain ways.
Ratings provided by various manufacturers of display devices are not always comparable to one another due to
differences in method of measurement, operation, and unstated variables.
This is because there is no official, standardised way to measure contrast ratio for a system or its parts, nor is there a
standard for defining "Contrast Ratio" that is accepted by any standards organisation.[1] While other designers have
more frequently taken the effect of the environment into account, manufacturers have historically preferred
measurement methods that isolate the gadget from the system.
This is a key aspect of monitor performance, as it directly impacts the overall image quality and color reproduction.
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In each graphic, the triangle was dilated to create the image triangle. Determine which scale factor was used for each dilation by dragging the correct scale factor to each graph.
pls help i well give brllant
The scale factor was used for each dilation are-
Part a: For ΔABC - scale factor = 2Part b: For ΔDEF - scale factor = 1/2Part c: For ΔGHJ - scale factor = 1/3Part d: For ΔKML - scale factor = 3Explain about the dilation:A transformation that changes the size of a figure is called a dilatation. This indicates that the preimage as well as image are similar and have been scaled up or down, respectively.
A dilatation that results in a reduction (imagine shrinking) or an enlargement (think stretching) produces a smaller or larger image, respectively.
Part a: For ΔABC
Length AB = 2 units
Length A'B' = 4 units
A'B' = 2 *AB
Thus, For ΔABC - scale factor = 2
Part b: For ΔDEF -
Length DF = 2 units
Length D'F' = 1 units
D'F' = 1/2 DF
Thus, For ΔDEF - scale factor = 1/2
Part c: For ΔGHJ -
Length GH = 3 units
Length G'H' = 1 units
G'H' = 1/3 GH
Thus, For ΔGHJ - scale factor = 1/3
Part d: For ΔKML -
Length KM = 2 units
Length K'M' = 6 units
K'M' = 3*KM
Thus, For ΔKML - scale factor = 3
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Expense
Gas
Insurance
Oil
Registration
Depreciation
Yearly cost
or rate
A. $1.11 per mile
C. $0.25 per mile
$550.00
$400.00
$90.00
$100.00
20%
What is the cost per
mile over the course of
a year for a $24,000 car
that depreciates 20%,
with costs shown in the
table, and that has
been driven for 10,000
miles?
B. $0.59 per mile
D. $4.91 per mile
the cost per mile over the course of a year for a $24,000 car that depreciates 20%, with costs shown in the table, and that has been driven for 10,000 miles is $0.59 per mile. Answer B is correct.
Obtaining the costTo calculate the cost per mile, we need to add up all the expenses for the car and divide by the total miles driven.
First, we need to calculate the total depreciation for the car:
Depreciation = 20% * $24,000 = $4,800
Next, we can calculate the total expenses for the car:
Total expenses = Gas + Insurance + Oil + Registration + Depreciation
Total expenses = $550 + $400 + $90 + $100 + $4,800
Total expenses = $5,940
Finally, we can calculate the cost per mile:
Cost per mile = Total expenses / Miles driven
Cost per mile = $5,940 / 10,000
Cost per mile = $0.594 or $0.59 (rounded to the nearest cent)
Therefore, the cost per mile over the course of a year for a $24,000 car that depreciates 20%, with costs shown in the table, and that has been driven for 10,000 miles is $0.59 per mile. Answer B is correct.
Note: Option D is not a possible answer because the cost per mile cannot be greater than the total expenses divided by the miles driven, which in this case is $0.594.
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Question 3 (1 point)
A sixth-grade class collected data on the number of siblings in the class. Here is the dot plot of the data they collected.
How many students had zero brothers or sisters?
The number of students who had zero brothers or sisters is 1.
What is the probability of students with zero brothers or sister?
The probability of students with zero brothers or sisters is calculated from the ratio of the total number of students to the number of students with zero brothers or sisters.
Total number of students = 65
Number of zero siblings = 1
The probability = 1 / 65
So based on this information, we can conclude that in the sixth-grade class and based on the collected data, the number of students who had zero brothers or sisters is 1.
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An island has 12 fur seal rookeries (breeding places). To estimate the fur seal pup population in Rookery A, 4350 fur seal pups were tagged in early August. In late August, a sample of 500 pups
was observed, and 244 of these were found to have been previously tagged. Use a proportion to estimate the total number of fur seal pups in Rookery A.
The estimated total number of fur seal pups in Rookery A is-
(Round to the nearest whole number.)
The estimated total number of fur seal pups in Rookery A is 8905 (rounded to the nearest whole number).
Define proportion?Proportion refers to the relationship between the part and the whole. It is a measure that expresses the size of one subset (part) relative to the size of the entire population (whole). A proportion is usually expressed as a fraction or a percentage.
What is whole number?A whole number is a number that does not have any fractional or decimal part. It is a positive integer (1, 2, 3, ...) or zero (0). Whole numbers are used to count objects or things that cannot be divided into parts.
To estimate the total number of fur seal pups in Rookery A, we can use the proportion of tagged pups in the sample to the total tagged pups in the rookery.
The proportion of tagged pups in the sample is 244/500 = 0.488.
Assuming that the proportion of tagged pups in the sample is representative of the proportion of tagged pups in the entire rookery, we can set up a proportion:
0.488 = (number of tagged pups in Rookery A) / (total number of pups in Rookery A)
Solving for the total number of pups in Rookery A, we get:
(total number of pups in Rookery A) = (number of tagged pups in Rookery A) / 0.488
(total number of pups in Rookery A) = 4350 / 0.488
(total number of pups in Rookery A) ≈ 8905
Therefore, the estimated total number of fur seal pups in Rookery A is 8905 (rounded to the nearest whole number).
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if someone has the time, pls help me
The steps for each expression here is
a.
Step 1: (x)-2
Step 2: 9-2
Step 3: 7
b.
Step 1: 3(y)+2
Step 2: 3*7+2
Step 3: 23
c.
Step 1: 8+((r)/6)
Step 2: 8+(24/6)
Step 3: 12
What is meant by expression?
An expression is a representation of a mathematical equation, logical statement, or string of characters using symbols, numbers, and operators. It can be evaluated to produce a value or result. In programming, expressions can be used to assign values to variables, perform mathematical operations, or compare values. They are an essential part of most programming languages and play a crucial role in the execution of computer programs.
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find fy , the y-component of force that the wall exerts on the beam ( f ), using the axis shown. remember to pay attention to the direction that the wall exerts the force.
The y-component of the force that the wall exerts on the beam (f) is -400.5 N.
The y-component of the force that the wall exerts on the beam (f) can be found using the following steps:
Step 1: Calculate the magnitude of the force (f):
f = √[f_x² + f_y²]
f = √[(-500 N)² + (-300 N)²]
f = 600 N
Step 2: Calculate the angle of the force relative to the y-axis:
θ = tan-1(-300 N/500 N)
θ = -53.13°
Step 3: Calculate the y-component of the force (fy):
fy = f × sin(θ)
fy = 600 N × sin(-53.13°)
fy = -400.5 N
Therefore, the y-component of the force that the wall exerts on the beam (f) is -400.5 N.
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factoring 5x(5x6-9)
Answer:
105
cause you do
P arenthaces
E xponents
M ultiplication D ivision
A dd
S ubtract
assume that there is no relationship between favorite hogwarts elective and hogwarts house among all witches and wizards who attended hogwarts 1. what is the expected chi-square test statistic value? 2. what is the standard deviation?
Answer: To answer this question, we need to know the number of individuals in each combination of Hogwarts elective and house. Without this information, we cannot calculate the expected chi-square test statistic value or the standard deviation.
Assuming we have this information, we can calculate the expected chi-square test statistic value as follows:
Set up a contingency table with the observed frequencies in each cell and the row and column totals.
Calculate the expected frequency for each cell by multiplying the row total by the column total and dividing by the total sample size.
Calculate the chi-square test statistic by summing the squared differences between the observed and expected frequencies for each cell and dividing by the expected frequency for each cell.
The formula for the standard deviation of the chi-square test statistic depends on the degrees of freedom, which is equal to the number of rows minus one multiplied by the number of columns minus one. Once we have calculated the expected chi-square test statistic value and degrees of freedom, we can calculate the standard deviation using the formula:
sqrt(2 * df)
where "df" is the degrees of freedom.
Without the necessary information about the frequencies, we cannot provide a numerical answer to this question.
Step-by-step explanation:
4. The branch of mathematics that analyzes situations in which players must make decisions andthen receive payoffs most often used by economists isA. oligopoly collusion.B. prisoner's dilemma.C. game theory.D. collusion theory
The branch of mathematics that analyzes situations in which players must make decisions and then receive payoffs most often used by economists is "game theory". So, option C is the correct answeer.
Game theory is a branch of mathematics that studies how people or organizations interact in situations where there are choices to be made and where the outcome of each choice depends on the choices made by others. It is often used in economics to model the behavior of firms and consumers in markets, and to analyze strategic interactions between competitors in oligopolistic industries.
One of the most famous examples of game theory is the prisoner's dilemma, which is a simple model that illustrates how two individuals might not cooperate, even if it appears that it is in their best interest to do so.
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Track and Field Andre, Bilal, Glenna, and Juanita are all friends. They have given each other nicknames as well. The four nicknames are Boss, Buzz, Cosmo, and Tiger. The following clues, determine the nickname of each of the friends. friends are competing in the track and field day at their school. Using the race. Clues: 1. Juanita beat Tiger in the 400 m race, but Juanita lost to Buzz in the high jump. 2. Glenna and Tiger tied in the long jump, but Boss beat Glenna in the 1500 m 3. Cosmo, Tiger and Andre found the water station together after the first event. 4. Cosmo and Juanita ran separate legs on the relay race. be helpful in solving this problem. The table below, with a column for each name and a row for each nickname, may be helpful in solving this problem
the nicknames of the four friends are:
Andre: Boss
Bilal: Buzz
Glenna: Cosmo
Juanita: Tiger
How to find nick name ?From clue 1, we realize that Juanita's moniker isn't Tiger or Buzz, and Tiger's epithet isn't Chief or Cosmo. Along these lines, Juanita's epithet should be Cosmo or Chief, and Tiger's moniker should be Buzz or Tiger.
From clue 2, we realize that Glenna's moniker isn't Chief or Buzz, and Tiger's epithet isn't Cosmo or Tiger (currently disposed of in the past step). In this way, Glenna's moniker should be Cosmo, and Tiger's epithet should be Buzz.
From clue 3, Cosmo's nickname has already been determined to be Glenna, and we are aware that Andre's nickname cannot be Boss, Buzz, or Tiger (all of which have been eliminated). Boss has to be Andre's nickname.
From clue 4, Cosmo's nickname has already been identified as Glenna, and we are aware that Juanita's nickname cannot be Buzz or Tiger (both of which have already been eliminated). Therefore, Juanita must go by the name Boss.
So, the nicknames of the four friends are:
Andre: Boss
Bilal: Buzz
Glenna: Cosmo
Juanita: Tiger
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