Answer:
51
Step-by-step explanation:
When concordant pairs exceed discordant pairs in a p-q relationship, kendall's tau b reports a(n) _____ association between the variables under study.
When concordant pairs exceed discordant pairs in a p-q relationship, Kendall's tau b reports a positive association between the variables under study.
Concordant pairs refer to pairs of observations where the values of both variables increase or decrease together. Discordant pairs, on the other hand, refer to pairs where the values of one variable increase while the other decreases, or vice versa.
Kendall's tau b is a measure of association that ranges from -1 to 1. A positive value indicates a positive association, meaning that as the values of one variable increase, the values of the other variable also tend to increase. In this case, when concordant pairs exceed discordant pairs, it suggests that the variables are positively associated.
To illustrate this, let's consider an example. Suppose we are studying the relationship between the number of hours spent studying and exam scores. If we find that there are more concordant pairs (i.e., when students who study more hours tend to have higher scores, and vice versa) compared to discordant pairs (i.e., when some students who study more hours have lower scores, and vice versa), then Kendall's tau b would report a positive association between the hours studied and exam scores.
In summary, when concordant pairs exceed discordant pairs in a p-q relationship, Kendall's tau b indicates a positive association between the variables being studied.
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When do I divide in right trigonometry
The answer to this question which is based on Trignometry is that we divide when we want to calculate Trignometric Ratios
How many Trignometric ratios are available?
There are six basic trigonometric ratios: sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant (csc). These ratios are used to calculate angles and sides of a right triangle.
Whenever we need to calculate Trignometric ratios we have to divide the length of 2 sides of a triangle and one more the Trignometric ratios can be only found in Right Angled triangle
Hence we can just find the Trignometric ratios for any Triangle we can only do it for right Triangles
The values of Trignometric ratios can be negative also and it depends on the angle for which we want to find the Trignometric ratios.
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If Nick's Flemish giant rabbit weighs 12 more pounds than his Holland lop rabbit, how much does his Flemish giant rabbit weigh?
Answer:
\(X + 12\) Pounds , where X is the weight of Holland lop Rabbit
Step-by-step explanation:
Let the weight of Holland lop Rabbit \(= X\) pounds.
It is given that the weight of the Nick's Flemish giant rabbit is \(12\) pounds more than the weight of the Holland lop Rabbit.
Hence, the weight of the Nick's Flemish giant rabbit is
\(X + 12\) Pounds
Suppose that 15 inches of wire costs 45 cents. At the same rate, how much (in cents) will 43 inches of wire cost?
Answer: 1, 280 cents
Step-by-step explanation:
What is the area of the sector of the circle below, if the radius is 5 m. and the central angle < AOB measures 88 °. (round answer to the nearest tenth)
Answer:
b 19.2
Step-by-step explanation:
a = \(\pi\)\(r^{2}\) for a circle. We do not want to find the area for a whole circle. We only want to find the area for part of a circle. a hole circle is 360 degrees.
a = \(\frac{88}{360}\)\(\pi\)\(r^{2}\)
a = \(\frac{88}{360}\)\(\pi\)(\(5^{2}\))
a = 19.2 rounded.
The area of the sector of circle is b. 19.20 square meter.
What is the area of sector of circle?The space enclosed by the sector of circle is called area of the sector of circle.Mathematically,
Area of the sector of circle, A = θ/360πr²
where θ is the angle of the arc and r is the radius of the circle.
Now it is given that,
radius of the circle, r = 5m
Angle of arc, θ = 88°
Therefore, area ofsector of circle A = θ/360πr²
Put the values,
A = 88/360 π 5²
Solving the equation we get
A = 19.20 square meter.
Hence,the area of the sector of circle is b. 19.20 square meter.
So the correct answer is b.) 19.20 square meter.
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which of the following statements best describes the value of the expression 2x -7 when x = 5
2x - 7
Value:x = 5
To Find:The value of the expression.
Solution:2x - 7
By putting the value of x, we get
2(5) - 7 = 10 - 7 = 3
Answer:The value of the expression is 3.
Answer:
B
Step-by-step explanation:
Michelle is playing a number guessing game where you must guess the two numbers she is thinking about and gives two hints. The first hint is that the sum of two numbers is 50. The second hint is the first number is 43 less than twice the second number. What are the two numbers?
Answer:
The two numbers are a = 57 and b = -7
Step-by-step explanation:
Let's write the first sentence into an equation.
A) The sum of two numbers is 50
\(a+b=50\) (1)
B)The first number is 43 less than twice the second number.
\(a=43-2b\) (2)
Now, we just need to solve the system of equations (1) and (2)
Let's put (2) into the (1)
\(43-2b+b=50\)
\(43-b=50\)
\(b=43-50\)
\(b=-7\)
Using this value in (1) we can find a
\(a-7=50\)
\(a=57\)
Therefore, the two numbers are a = 57 and b = -7
I hope it helps you!
Ken writes the outline for a radio show 6 times a week for 49 weeks each year. He also writes a blog 2 times a week for 52 weeks each year. Which equation can be used to find how many more radio show outlines Ken writes than blogs each year?
The number of more radio shows outlines Ken writes than blogs each year is 190.
We are given that;
Shows in 49 weeks= 6
Shows in 52 weeks= 2
Now,
One possible equation to find how many more radio show outlines Ken writes than blogs each year is:
(6 * 49) - (2 * 52)
This equation is based on multiplying the number of times Ken writes a radio show outline or a blog per week by the number of weeks he does so in a year, and then subtracting the total number of blogs from the total number of radio show outlines. The equation simplifies to:
294 - 104= 190
Therefore, by algebra the answer will be 190
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Solve for m: m – 4.2 = 5.1
Answer:
M equals 9.3
Step-by-step explanation:
To get m alone add 4.2 to each side
9. You Be the Teacher Is your cousin
correct? Explain.
4
MTR
14
X 0.82
28
+ 1120
1148
A circle has a radius of 4 feet. What is the radius of a bigger circle if the scale factor of the smaller to bigger is 4:9
Answer:
9 feets
Step-by-step explanation:
From the question, we have our scale factor as:
4:9 = 4/9
Smaller circle /Bigger circle = 4/9
A circle has a radius of 4 feet. What is the radius of a bigger circle?
Let the radius of the bigger circle = x
This is calculated as:
4/9 = 4/x
Cross Multiply
4x = 9 × 4
x = 36/4
x = 9 feet
Therefore, the radius of the bigger circle is 9 feet
Dan the Donut man has to buy the donut machine for 89 dollars. He then can make donuts and sell them for 2 dollars a person. How many donuts does he need to sell to make at least
$231?
Answer:
161 donuts
Step-by-step explanation:
(231+89)/2 then add one more donut as the question asked for at least $231
320/2 = 160 + one more donut = 161 donuts have to sold to make at least $231.
You have add the machine price as he wouldn't be making a profit off it if he didn't surpass what he spent for it.
Check your work by doing 161 times 2 minus 89 minus the 1 donut added and you'll get the $231. Not subtracting the one shows the profit of a dollar aka at least $231
Examine the expanded form. A ∙ a ∙ a ∙ a ∙ a ∙ a ∙ a Which is the expression in exponential form? 7a 7a a7 a 7.
Please solve or I will eat you cookie
Answer:
Its a square....please dont' eat my cookie D:
Step-by-step explanation:
Add
-10 + 5=
Add.
-19 + -6
Answer:
-30
hope i helped
Step-by-step explanation:
xavier is a teacher and takes home 90 papers to grade over the weekend. he can grade at a rate of 6 papers per hour. how many papers would xavier have remaining to grade after working for 12 hours?
The number of papers xavier have remaining after working for 12 hours is 18
How many papers would xavier have remainingXavier can grade 6 papers per hour, so in 12 hours he can grade:
6 papers/hour x 12 hours = 72 papers
Therefore, after working for 12 hours, Xavier would have
90 - 72 = 18 papers remaining to grade.
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Which of the following is equivalent to
(p3)(2p^2 - 4p)(3p^2 - 1)?
A.(p3)(6p^4 - 12p^3 - 2p^2 + 4p)
B.(p3)(6p^4 + 4p)
C.(2p^6 - 4p^3)(3p^2 - 1)
D.(2p^5 - 4p^4)(3p^5 - p^3)
The equivalent expression is (p3)(6p^4 - 12p^3 - 2p^2 + 4p).
what is expression?An expression in math is a sentence with a minimum of two numbers or variables and at least one math operation.
Given:
(p^3)(2p^2 - 4p)(3p^2 - 1)
Now further solving
(p^3)(2p^2 * 3p^2 - 2p^2 * 1 - 4p * 3p^2 + 4p)
=(p^3) (6p^4 - 2p^2 - 12 P^3 + 4p)
=(p3)(6p^4 - 12p^3 - 2p^2 + 4p)
Hence, the value of expression is (p3)(6p^4 - 12p^3 - 2p^2 + 4p).
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PLEASE HELP ANSWERING THE QUESTIONS ILL GIVE BRAINLIEST OR WHATEVER
Answer:answer to 9:$1,025.00 answer to 10:$243.90 answer to 11:$1,025.15
Step-by-step explanation:
explanation to 9:First, converting R percent to r a decimal
r = R/100 = 7%/100 = 0.07 per year.
Solving our equation:
A = 500(1 + (0.07 × 15)) = 1025
A = $1,025.00
The total amount accrued, principal plus interest, from simple interest on a principal of $500.00 at a rate of 7% per year for 15 years is $1,025.00.explanation to 10:First, converting R percent to r a decimal
r = R/100 = 7%/100 = 0.07 per year.
Solving our equation:
P = 500 / ( 1 + (0.07 × 15)) = 243.90243902439
P = $243.90
The principal investment required to get a total amount, principal plus interest, of $500.00 from simple interest at a rate of 7% per year for 15 years is $243.90. explantion to 11:First, converting R percent to r a decimal
r = R/100 = 7%/100 = 0.07 per year.
Solving our equation:
A = 500(1 + (0.07 × 15)) = 1025
A = $1,025.00
The total amount accrued, principal plus interest, from simple interest on a principal of $500.00 at a rate of 7% per year for 15 years is $1,025.25.
Determine the sum of the solutions to:
For the quadratic equation 5x² - 16x + 3 = 0, the sum of solutions is 3.02.
What is a quadratic function?
A polynomial function with one or more variables, where the largest exponent of the variable is two, is referred to as a quadratic function. It is also known as the polynomial of degree 2 since the greatest degree term in a quadratic function is of second degree.
The quadratic expression is given as -
5x² - 16x + 3 = 0
The expression is written in the form ax² + bx + c
Where a = 5, b = -16 and c = 3
Use the quadratic formula -
x = [-b ± √(b² - 4ac)] / 2a
Substitute the values into the formula -
x = [-(-16) ± √{(-16)² - 4(5)(3)}] / 2(5)
x = [16 ± √{256 - 60}] / 10
x = [16 ± √196] / 10
x = [16 + √196] / 10 and x = [16 - √196] / 10
x = [16 + 14] / 10 and x = [16 - 14] / 10
x = 30/10 and x = 2/10
x = 3 and x = 0.2
The solutions are x = 3 and x = 0.2.
The sum of solutions are = 3 + 0.2 = 3.02
Also, the formula for sum of solutions for a quadratic equation is -b/a.
Sum of solutions = -(-16) / 5
Sum of solutions = 16 / 5
Sum of solutions = 3.02
Therefore, the sum of solutions is 3.02.
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Complete question:
Determine the sum of the solutions to:
5x² - 16x + 3 = 0
Mr. Hernandez bought 16 meters of chain-link fencing. The section of his yard that needs to be fenced is 50 feet long. Did Mr. Hernandez buy enough fencing or does he need more fencing? (1 meter = 3.28 feet)
Answer:
yes
Step-by-step explanation:
i multiply the 16 to the ratio of meters to feet and got 52.4934
A negative number with an absolute value less than four is
Answer:
-3, -2, or -1
Step-by-step explanation:
Find the square root of the given numbers
1. 114
2. 625
3. 81
4. 729
Answer:
1. +/- 10.67707825
2. +/- 25
3. +/- 81
4. +/- 27
Ms. Rudolph randomly selects one student from a group of students. 14 students are wearing a black shirt, 6 students are wearing a red shirt, and 9 students are wearing a blue shirt.
Show your work to determine the PROBABILITY that the selected student is wearing a BLACK shirt?
You may write your answer as a FRACTION or DECIMAL.
Answer:
14
29 as a fraction
Step-by-step explanation:
Based on the given conditions, formulate:
14=19+14+6)
2 Calculate
14
9+14+6
Calculate
14
23+6
Calculate the sum or difference
14
29
X
Calculate the sum or difference
14
29
Alternative forms
~ 0.482759, ~ 48.275862%,
4.827586 × 10
Hope it help :)
(complete solution) can someone help me here please thank you everyone! lovelots
Answer:
infinity (does not converge)infinity (does not converge)infinity (does not converge)47 13/16-1023Step-by-step explanation:
You want the sums of various geometric series.
Sum of a geometric sequenceThe sum of n terms of a geometric sequence with first term a1 and common ratio r is ...
Sn = a1·(r^n -1)/(r -1)
When the series is infinite, the sum will converge if and only if |r| < 1.
The ratio can be found as the ratio of the first two terms:
r = a2/a1
1. 8, 16, ...The ratio is ...
r = 16/2 = 2
The magnitude of r is greater than 1, so this series does not converge.
2. 5, 25, ...The ratio is ...
r = 25/5 = 5
The magnitude of r is greater than 1, so this series does not converge.
3. 1, 4, ...The ratio is ...
r = 4/1 = 4
The magnitude of r is greater than 1, so this series does not converge.
4. 24, 12, ... S8The ratio is ...
r = 12/24 = 1/2
The sum of the first 8 terms is ...
S8 = 24·((1/2)^8 -1)/(1/2 -1) = 24·(-255/256)/(-1/2) = 24(255/128)
S8 = 47 13/16
5. 3, -6, ... S10The ratio is ...
r = -6/3 = -2
The sum of the first 10 terms is ...
S10 = 3·((-2)^10 -1)/(-2 -1) = 3(1023)/(-3)
S10 = -1023
__
Additional comment
If you have a number of these, a spreadsheet or graphing calculator can do the math for you.
of the 254 counties in texas, how many have child care programs that state they provide nighttime care for children?
By following these steps, you should be able to find the number of counties in Texas with childcare programs offering nighttime care for children.
To answer your question about how many of the 254 counties in Texas have child care programs that state they provide nighttime care for children, we would need to access current data on child care programs in Texas. Unfortunately, I do not have that specific data at the moment. However, I can guide you on how to find this information.
Begin by visiting the Texas Health and Human Services website (https://hhs.texas.gov) as they are responsible for overseeing child care licensing in the state. Look for information on licensed child care facilities that provide nighttime care.
Utilize websites such as Child Care Aware (https://www.childcareaware.org) or Child Care Finder (https://childcarefinder.com), where you can search for child care programs in Texas by county, and filter your search to include only programs offering nighttime care.
You may also want to check with local county websites or contact the County Clerk's office for information on child care programs within their jurisdiction, specifically those offering nighttime care.
Compile the data gathered from the above sources to determine how many of the 254 Texas counties have child care programs providing nighttime care for children.
By following these steps, you should be able to find the number of counties in Texas with child care programs offering nighttime care for children.
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5. Find the geometric mean of 4 and 10.
Answer:
4+10=40
40:2=20
Step-by-step explanation:
Find the value of y.
Answer:
its 0
Step-by-step explanation:
you just gotta do the math correctly to get the answer. x & y are both values with different meanings. but in this case it's 0
A concert started at 5:22 p.m. on friday. the concert
ended at 7:04 p.m. how long did the concert last?
1 hour 52 minutes
2 hours 4 minutes
2 hours 14 minutes
1 hour 42 minutes
By using Time , 1 hour 42 minutes long did the concert last.
What is time, really?
In reality, time is a fundamental aspect of the cosmos. The Second Law of Thermodynamics, which many physicists consider to be one of the most significant principles in all of physics, is related to the idea of time because it is very linear.
Time is the continuously occurring series of events. the previous, current, and future. Seconds serve as the fundamental unit of time. On top of that, there are seconds, minutes, hours, days, weeks, months, and years. Clocks can be used to measure time.
A concert started = 5:22 p.m.
the concert ended = 7:04 p.m.
So, the concert lasts = 1 hour 42 minutes
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the row numbers along the left side of a worksheet are as follows: 1 2 4 5 6. this indicates that row 3 is:
The row numbers along the left side of the worksheet are 1, 2, 4, 5, 6. We can observe that there is a missing number in the sequence, specifically the number 3. Therefore, based on the pattern, we can deduce that row 3 is missing from the worksheet.
Based on the given information, the row numbers along the left side of the worksheet are 1, 2, 4, 5, 6, with a missing number in the sequence, which is the number 3.
The presence of the numbers 1, 2, 4, 5, and 6 indicates that rows corresponding to those numbers exist in the worksheet. However, there is no row with the number 3 mentioned in the sequence. Thus, we can conclude that row 3 is missing from the worksheet.
It is important to note that the missing row could be intentional or accidental, but based on the given information, we can deduce that there is a discontinuity in the row numbering, specifically the absence of row 3.
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A triangle with an area of 60 square inches has a height that is 16 less than 6 times its base.
Find the base and height, in inches, of the triangle
Step-by-step explanation:
the area of a triangle
baseline × height / 2
in our case
baseline × height / 2 = 60 in²
height = 6×baseline - 16
baseline × (6×baseline - 16) / 2 = 60
baseline × (3×baseline - 8) = 60
3×baseline² - 8×baseline = 60
baseline = x
3x² - 8x - 60 = 0
general solution to a quadratic equation is
x = (-b ± sqrt(b² - 4ac))/(2a)
in our case
a = 3
b = -8
c = -60
x = (8 ± sqrt(64 - 4×3×-60))/(2×3) =
= (8 ± sqrt(64 + 720))/6 = (8 ± sqrt(784))/6 =
= (8 ± 28)/6
x1 = (8 + 28)/6 = 36/6 = 6
x2 = (8 - 28)/6 = -20/6 = -10/3
x2 as a negative number is not a valid solution for a length in a geometric shape.
so, x = 6 in is our solution for the baseline.
height = 6x - 16 = 6×6 - 16 = 36 - 16 = 20 in
base = 6 in