A study with three levels of one factor and four replicates in each group would have how many degrees of freedom in a one-way ANOVA.
In order to perform a one-way ANOVA test, one must first compute the sum of squares between and the sum of squares within, both of which require degrees of freedom to be calculated. Degrees of freedom refer to the number of values in a sample that are free to vary.
The degrees of freedom are usually represented by the letters df. The degrees of freedom for the numerator are calculated by subtracting 1 from the number of groups or categories (k), while the degrees of freedom for the denominator are calculated by subtracting the number of groups (k) from the total number of observations (N) in the sample and then subtracting 1. For a one-way ANOVA test with three levels of one factor and four replicates in each group, the degrees of freedom in the test would be 2, 9.Answer: d. 2, 9
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i need help what is n?
Answer:
x=-7
Step-by-step explanation:
-30=5(x+1)
6-1(x+1)
x=-1-6
=-7
The answer is \(x=-7\)
PLEASE HELP NEED IT NOW!!! I AM GIVING 35pts!!!
Zach spent 2/6 of his paycheck on a new video game the cost of the videogame was $58 what was the total amount of his paycheck?
Answer:
174
Step-by-step explanation:
58/2=29 than multiply 29 by 6
Evaluate each expression if a= 12, b =9, c= -4 (a2/4b)+c
The source term will affect all algebraic equations.A) TrueB) FalseFor each algebraic equation, the source term contributes to the coefficient that is taken to the right hand side and entered into the corresponding row of the {f} vector.
A) True. The source term in a partial differential equation (PDE) represents a forcing function or external input to the system being modeled.
A) True. The source term in a partial differential equation (PDE) represents a forcing function or external input to the system being modeled. In the finite element method (FEM), the PDE is discretized into a set of algebraic equations, and the source term appears in each of these equations.
Specifically, for each algebraic equation resulting from the discretization of the PDE, the source term contributes to the coefficient of the dependent variable on the left-hand side of the equation, and it is taken to the right-hand side of the equation. The resulting coefficient and right-hand side term are then used to construct the corresponding row of the global coefficient matrix and the right-hand side vector, respectively.
Therefore, the source term affects all algebraic equations in the finite element method and is an essential component of the mathematical model. Changing the source term will affect the solution obtained from the ANSYS solver and can result in a different physical behavior of the system being modeled.
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What is the slope and the y-intercept of the line? y = − 8x + 5
Answer:
The slope is -8 and the y-intercept is 5
a deli bar offers sandwiches with four types of bread, three types of cheese and four types of meat. how many different sandwich combinations are possible?
Exactly one type of meat required = 5 choices
What is probability?The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true.An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.The likelihood that an event will occur increases with its probability.A straightforward illustration is tossing a fair (impartial) coin.The chance of both outcomes ("heads" and "tails") is equal because the coin is fair, "heads" is more likely than "tails," there are no other conceivable outcomes, and the likelihood of either outcome is half.acc to our question-
Exactly one type of meat required = 5 choicesAny number (0–5) of types of meat allowed: 2^5 (ie. binary, eat type of meat is either ‘on’ or ‘off’At least on type of meat required 2^5 - 1 (remove the zero choice)Do similarly for bread and cheese and number of sandwiches combinations =bread combinations X cheese combinations X meat combinationslearn more about probability click here:
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it is possible to use different units, such as radians, but for now we will stick with degrees. a natural question to ask would be why 360 was chosen to be the number of degrees in a circle. does anyone have any insight (speculation or historical information) into this question?
The choice of 360 degrees in a circle is believed to be influenced by ancient civilizations' sexagesimal numbering system, which had practical advantages for calculations. The specific reasons for choosing 360 remain speculative but likely relate to cultural and mathematical considerations.
One possible explanation is that ancient civilizations, such as the Babylonians and Sumerians, used a sexagesimal (base-60) numbering system. This system had practical advantages in dividing time and angles into smaller units. Since 60 has many divisors, it allowed for easier calculations and fractions.
Additionally, the number 360 has numerous divisors, making it convenient for dividing a circle into equal parts. While the exact reasons for choosing 360 degrees may be speculative, the influence of ancient number systems and cultural practices likely played a role in this convention.
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I Need Help ASAP!!!
Answer:f(x) in order from left to right= -20, 5, 10, 15, 30 i.) -.06 ii.)-40
Step-by-step explanation: f(x) is the answer of 5 times whatever x is, so when it’s telling you what x is all you have to is multiply it by the number next to x which in this case is 5. after doing that you get the answers above. for i.) it’s telling you the answer which is -3, so you divide that by 5 getting -.06. In ii.) it gives you x which is -8 so you plug that in giving you -40.
No real numbers are irrational numbers.
True
False
Answer:
FALSE
Step-by-step explanation:
√2 is both real and irrational. In infinite number of real numbers are irrational. The offered statement is False.
Solve for X : 1/4 (2x-14)=14
How do you tell if a set of ordered pairs satisfies an exponential function?
The following presumption has to be verified in order to establish whether the collection of ordered pairs fulfills an exponential function: The x-coordinates must have the same increment or a consistent difference.
What is an exponential function?A mathematical function of form f (x) = aˣ is an exponential function. "x" is a variable, while "a" is a constant that serves as the function's basis and must be bigger than 0. The transcendental number e, or roughly 2.71828, is the foundation for exponential functions that are most frequently utilized.
Characteristics are:
The fact that a⁰ = 1 causes them all to include the point (0, 1). Always an asymptote, the x-axis. If (0 < a < 1) or (1 < a), they are decreasing and growing, respectively.To know more about exponential function refer to:
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Is the point (1,-4) a solution to the following system of equations? y=-4x y=x-5
Yes, the point (1, -4) is a solution to the given system of equations.
To determine if the point (1, -4) is a solution to the system of equations, we substitute the values of x and y into each equation and check if both equations are satisfied.
Given equations:
y = -4x ... (1)
y = x - 5 ... (2)
Substituting x = 1 and y = -4 into equation (1):
-4 = -4(1)
-4 = -4
The equation is true when x = 1 and y = -4 in equation (1).
Substituting x = 1 and y = -4 into equation (2):
-4 = 1 - 5
-4 = -4
The equation is also true when x = 1 and y = -4 in equation (2).
Since both equations are satisfied when x = 1 and y = -4, the point (1, -4) is indeed a solution to the given system of equations.
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two ships leave a port sailing 18km/h and 26 km/h. Their angle between their directions of travel from the port is 39 °. How far part are the skips to the nearest km after 2 hours
In rectangle ABCD , AC=12x+2 and BD=8x+14 . Find AC .
Answer:
3
Step-by-step explanation:
AC=BD
12x+2=8x+14
12x-8x=14-2
4x=12
x=3.
The length of the side AC of the rectangle is AC = 50 units
What is the Perimeter of a Rectangle?The perimeter P of a rectangle is given by the formula, P=2 ( L + W) , where L is the length and W is the width of the rectangle.
Perimeter P of rectangle = 2 ( Length + Width )
Given data ,
Let the perimeter of the rectangle be P
Let the rectangle be represented as ABCD
Now , AC=12x+2 and BD = 8x + 14
On simplifying , we get
AC = BD
12x + 2 = 8x + 14
Subtracting 8x on both sides , we get
4x + 2 = 14
Subtracting 2 on both sides , we get
3x = 12
Divide by 3 on both sides , we get
x = 4
So , the length AC = 12 ( 4 ) + 2
AC = 50 units
Hence , the length of rectangle is AC = 50 units
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What is the solution to the system of equations? -1/2x+1/2y=-1 x-y=2
y=14
have a good day
To determine the number of deer in a game preserve, a forest ranger catches 630 deer, tags them, and releases them. Later 179 deer are caught, and it is found that 42 of them are tagged. Assuming that the proportion of tagged deer in the second sample was the same as the proportion of tagged deer in the total population, estimate the number of deer in the game preserve.
The number of deer in the game preserve is:_______.
The number of deer in the game preserve is: 2685.
Here, we have,
given that,
To determine the number of deer in a game preserve, a forest ranger catches 630 deer, tags them, and releases them. Later 179 deer are caught, and it is found that 42 of them are tagged. Assuming that the proportion of tagged deer in the second sample was the same as the proportion of tagged deer in the total population, estimate the number of deer in the game preserve.
We will use proportions to solve our given problem.
we have,
total no. of deer population/caught deer population = caught deer/tagged deer
or, total no. of deer population / 630 = 179/42
or, total no. of deer population = 179/42 × 630
or, total no. of deer population = 2685
Therefore, there are 2685 deer in the preserve.
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Find the X value. 7x-4-3x=-3x+10
Answer:
x = 2
Explanation:
The given expression is
7x - 4 - 3x = -3x + 10
First, we need to add the like terms on the left side
(7x - 3x) - 4 = -3x + 10
4x - 4 = -3x + 10
Add 4 to both sides
4x - 4 + 4 = -3x + 10 + 4
4x = -3x + 14
Add 3x to both sides
4x + 3x = -3x + 14 + 3x
7x = 14
Finally, divide by 7
7x/7 = 14/7
x = 2
Therefore, the answer is x = 2
1 point
Joshua earned $90 in 6 hours. How much does Joshua earn per hour?
No guesses no links no bots
. how can the directed graph of a relation r on a finite set a be used to determine whether a relation is asymmetric?
The directed graph of a relation r on a finite set a be used to R not equal to ∅ and it is reflexive, symmetric, transitive, anti symmetric, then the R is equivalence relation and an order relation.
Let the relation R R R be asymmetric. A loop in the directed graph corresponds to an ordered pair of the form ( a , a ) (a , a) (a , a). By the definition of asymmetric, the relation R R R cannot contains any ordered pairs of the form ( a , a ) (a , a) (a , a) and thus the directed graph cannot contain any loops.
They are typically represented by labeled points or small circles. We connect vertex a to vertex b with an arrow, called an edge, going from vertex a to vertex b if and only if arb. This type of graph of a relation r is called a directed graph or digraph .
It is a set where either there are many components or only the beginning or ending are provided. By n(A), we refer to the total number of components, and if n(A) is a characteristic number, then the set is constrained.
Let A be finite non-empty set.
Then the exist relation R on A which is both equivalence and order relation.
Suppose A = {\(a_{1} , a_{2} , a_{3} , ...... a_{n} ,\)}
And, R = { \((a_{1} ,a_{1}) , (a_{2} ,a_{2} ) ,(a_{3} ,a_{3} )........(a_{n} ,a_{n} )\) }
R not equal to ∅ and it is reflexive, symmetric, transitive, anti symmetric.
Then R is equivalence relation and an order relation.
Therefore,
The directed graph of a relation r on a finite set a be used to R not equal to ∅ and it is reflexive, symmetric, transitive, anti symmetric, then the R is equivalence relation and an order relation.
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What is the quotient of 8,187 ÷ 24?
Answer:
341.125
Step-by-step explanation:
8187/24
341.125
i dont even know what to put
Answer:
first one (2*2*2*3*3)
Step-by-step explanation:
2*2*2*3*3=72
evaluate the integral by making the given substitution. integral (x^3/x^4-5)dx
The solution to the integral is (1/4) ln|x^4 - 5| + C, where C is the constant of integration.
To evaluate the integral ∫ (x³)/(x⁴ - 5) dx, we can use the substitution u = x⁴ - 5.
This will allow us to simplify the integral and express it in terms of u instead of x.
To make the substitution, we first find the derivative of u with respect to x:
du/dx = 4x^3
We can solve for dx in terms of du by dividing both sides by 4x³:
dx = du/(4x³)
Now we can substitute x⁴ - 5 for u and dx/(4x³) for dx in the integral:
∫ (x³)/(x⁴ - 5) dx = ∫ (1/(4(u + 5))) du
We can simplify this expression by factoring out the constant 1/4 and using the substitution v = u + 5:
∫ (x³)/(x⁴ - 5) dx = (1/4) ∫ 1/(v) dv
The integral of 1/v is ln|v|, so we can substitute back in for v and obtain:
(1/4) ln|x⁴ - 5| + C
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A construction worker has 1,032 nails. He needs to put them in containers with 12 in each container. How many containers will he need?
Answer:
86
Step-by-step explanation:
1,032 ÷ 12 = 86
86 containers would be needed.
Amanda can choose Plan A or Plan B for her long distance charges. For each plan, cost (in dollars) depends on minutes used
Plan A
284
1
26-
24
Plan B
22
20-
18
Cost
(in dollars)
16-
14
12
10
8
6-
4-
2
25 50
75 100 125 150 175 200 225 250 275 300 325 350 375
Minutes used (per month)
Х
5
(a) If Amanda makes 150 minutes of long distance calls for the month, which plan costs less?
O Plan A
O Plan B
How much less does it cost than the other plan?
sl
(b) For what number of long distance minutes do the two plans cost the same?
If the time spent on long distance calls is less than this amount, which plan costs more?
O Plan A
O Plan B
Continue
Step-by-step explanation:
A est la response correcte
8 of 10
Richard can type 100 words a minute.
How many words can be typed in 3.5 minutes?
Answer:
350
Step-by-step explanation:
two sides of an isosceles triangle with a perimeter of 270 cm are in a ratio of 4:7. Find the possible measure(s) of the base
Answer:
Base = 126 cm or 60 cm
Step-by-step explanation:
Ratio of sides of isosceles triangle = 4 : 7
Sides are = 4x , 7x
If smallest sides of the isosceles triangle are equal, then
three sides are = 4x , 4x , 7x
Perimeter = 270 cm
4x + 4x + 7x = 270
15x = 270
x = 270/15
x = 18
Base = 7x = 7*18 = 126 cm
If largest sides of the isosceles triangle are equal, then
Three sides are = 7x , 7x , 4x
7x + 7x +4x = 270
18x = 270
x = 270/18
x = 15
Base = 4x = 4 * 15 = 60 cm
marlena surveyed classmates and found that the ratio of the numbers of text messages sent by girls varies directly with the number of texts sent to boys. The girls sent 27 texts for 9 texts sent by the boys.How Many texts did the girls send if the boys sent 7 texts
Ethan puts $50 on his school lunch card. He buys the same $5 lunch every day. Which equation shows the balance, b, on his card in terms of the number, m, of meals he has
purchased?
Answer:
b = 50 - 5m
Step-by-step explanation:
i think this is correct but i didnt put much thought into it
Classify this value -12 and give and explanation.
A. Rational
B. Irrational
C. Whole
D. Integers
Answer:
-12 is rational & an interger
Step-by-step explanation:
negative number are intergers
rational number can be made into fractions:
hence -12/1 is a fraction its rational
A popcorn container is the shape of an inverted cone. it is 9 inches tall, and the circular opening has a diameter of 4 inches. which equation can be used to find the volume of the container? v = one-third pi (2) squared (9) v = one-third pi (4) squared (9) v = one-third pi (4) (9) squared v = one-third pi (2) (9) squared
The expression that determines the volume of the container is \(V = \frac 13 * \pi * 2^2 * 9\)
How to determine the volume expression?The given parameters are:
Shape = ConeHeight, h = 9 inDiameter, d = 4 inThe volume of the cone is calculated using:
\(V = \frac 13 * \pi (d/2)^2h\)
So, we have:
\(V = \frac 13 * \pi (4/2)^2 * 9\)
This gives
\(V = \frac 13 * \pi * 2^2 * 9\)
Hence, the expression that determines the volume of the container is \(V = \frac 13 * \pi * 2^2 * 9\)
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Answer:
v = 1/3 pi (2) to the power of 2 (9)
Step-by-step explanation:
Person above is right, I'm taking the test now! <3