Answer:
H.
Step-by-step explanation:
I honestly don't know how to explain this one.
Feel free to give brainliest. (I guess.)
Have an excellent day!
I want these answered please I don't have that much time.
Answer:
1. -4
2.8
3.2
4.-11
5.-8
6.-7
7.12
8.-6
9.-9
10.?
11.-2
12.-4
13.-50
14.16
Step-by-step explanation:
question content area top part 1 a statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 49.0 and 54.0 minutes. find the probability that a given class period runs between 50.5 and 51.25 minutes
The probability that a given class period runs between 50.5 and 51.25 minutes is 15%.
Probability defines the likelihood of occurrence of an event. There are many real-life situations in which we may have to predict the outcome of an event. We may be sure or not sure of the results of an event. In such cases, we say that there is a probability of this event to occur or not occur. Probability generally has great applications in games, in business to make probability-based predictions, and also probability has extensive applications in this new area of artificial intelligence.
The probability of an event can be calculated by probability formula by simply dividing the favorable number of outcomes by the total number of possible outcomes. The value of the probability of an event to happen can lie between 0 and 1 because the favorable number of outcomes can never cross the total number of outcomes. Also, the favorable number of outcomes cannot be negative.
\(P(50.5 < = X < = 51.25) =\frac{51.25-50.5}{54-49 } = \frac{0.75}{5} = 0.15\)
P = 0.15 means that the probability is 15%.
Thus, the probability that a given class period runs between 50.5 and 51.25 minutes is 15%.
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chegg what does the first column of a becomes as a result of applying the first householder transformation?
The first column of matrix A becomes a multiple of the first column of the identity matrix as a result of applying the first Householder transformation.
A Householder transformation is a reflection operation that can be used to transform a vector or a matrix. When applying a Householder transformation to a matrix A, the goal is usually to introduce zeros in specific locations of the matrix, typically to facilitate subsequent matrix operations like QR factorization.
In the case of the first Householder transformation, the transformation is applied to the first column of the matrix A. The Householder transformation is constructed to zero out all elements below the first entry of the first column, except for the first entry itself. The transformation essentially reflects the remaining part of the first column with respect to a hyperplane defined by the vector that is constructed for the transformation.
As a result of this transformation, the first column of matrix A will be modified in a way that the elements below the first entry become zero. The first entry remains unchanged, or possibly changes sign, depending on the specifics of the Householder transformation.
It's important to note that the Householder transformation is generally applied iteratively in the context of QR factorization, where subsequent Householder transformations are applied to subsequent columns of the matrix A to introduce additional zeros in specific locations. The final result of applying a sequence of Householder transformations will yield an upper triangular matrix R, which is a key component of the QR factorization.
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question if a polygon has 5 sides, then it is a pentagon. write the inverse of the conditional statement and determine whether it is true or false. responses
The given conditional statement is True since all polygons with 5 sides are pentagons. The inverse statement is also true as all other polygons (that don't have 5 sides) will not be pentagons.
The given conditional statement is: If a polygon has 5 sides, then it is a pentagon.
The inverse of the given conditional statement is:
If a polygon does not have 5 sides, then it is not a pentagon.
The inverse statement of the given statement can be determined by negating the hypothesis and conclusion of the original statement and interchanging them with "if" and "then".
The given conditional statement is True since all polygons with 5 sides are pentagons.
The inverse statement is also true as all other polygons (that don't have 5 sides) will not be pentagons.
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Passing through (3, -3) and perpendicular to y=3x+5
Answer:
Find the negative reciprocal of the slope of the original line and use the point-slope formula y−y1=m(x−x1) to find the line perpendicular to y=3x−5. y=−13x−2
Step-by-step explanation:
PLEASEEE FOR 40 POINTS
M
Answer:
nic
Step-by-step explanation:
Answer:
a. Yes
B. 12
C. 7.5 cm
I think.............
below is a cumulative algorithm using an array and a range-based loop. what is printed? (assume this is inside main() with all includes, etc.)
Without seeing the algorithm, it is impossible to provide an answer.
The question states that there is a cumulative algorithm using an array and a range-based loop, but the actual algorithm is not provided. Therefore, without knowing what the algorithm is doing or what values are being used, it is impossible to determine what will be printed.
The question is incomplete as it does not provide the cumulative algorithm that is being referred to. Therefore, no answer can be provided without additional information.
That without the specific algorithm and code snippet, I am unable to determine what will be printed. For a proper explanation, please provide the cumulative algorithm using an array and a range-based loop that you mentioned.
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Simplify each complex fraction
(2/a) / (1/b)
Answer:
\( \frac{2b}{a} \)
Step-by-step explanation:
\( \frac{2}{a} \div \frac{1}{b} \)
\(\frac{2}{a} \: \times \:b\)
\( \frac{2b}{a} \)
determine whether the series is convergent or divergent. [infinity] k = 1 ke−k2
Answer:
Convergent
Step-by-step explanation:
One method to determine if \(\displaystyle \sum^\infty_{k=1}ke^{-k^2}\)is convergent or divergent is the Integral Test.
Suppose that the function we use is \(f(x)=xe^{-x^2}\). Over the interval \([1,\infty)\), the function is always positive and continuous, but we also need to make sure it is decreasing before we can proceed with the Integral Test.
The derivative of this function is \(f'(x) = e^{-x^2}(1-2x^2)\), so our critical points will be \(\displaystyle x=\pm\frac{1}{\sqrt{2}}\), but we can drop the negative critical point as we are starting at \(k=1\). Using some test points, we can see that the function increases on the interval \(\bigr[0,\frac{1}{\sqrt{2}}\bigr]\) and decreases on the interval \(\bigr[\frac{1}{\sqrt{2}},\infty\bigr)\). Since the function will eventually decrease, we can go ahead with the Integral Test:
\(\displaystyle \int_{{\,1}}^{{\,\infty }}{{x{{{e}}^{ - {x^2}}}\,dx}} & = \mathop {\lim }\limits_{t \to \infty } \int_{{\,1}}^{{\,t}}{{x{{{e}}^{ - {x^2}}}\,dx}}\hspace{0.5in}u = - {x^2}\\ & = \mathop {\lim }\limits_{t \to \infty } \left. {\left( { - \frac{1}{2}{{{e}}^{ - {x^2}}}} \right)} \right|_1^t\\ & = \mathop {\lim }\limits_{t \to \infty } \left( {-\frac{1}{2}{{e}}^{ - {t^2}}-\biggr(-\frac{1}{2e}\biggr)}} \right) = \frac{1}{2e}\)
Therefore, since the integral is convergent, the series must also be convergent by the Integral Test.
Easy Points, brainliest to the best description-
Don't answer unless you know the answer and are sure.
Thanks in advance.
Estimate and solve 3,836 ÷ 63 = ________. (2 points)
60 r 9
58 r 56
60 r 56
58 r 9
Answer:
60 r 56
Step-by-step explanation:
How can intervention development be driven by ABC data that are collected on the function of the target behavior?a. Determine how the ABC contingency can be altered to promote more positive behavior.b. The antecedent condition can be replaced with reinforcement.c. The rate of the behavior can be calculated to set a baseline for shaping.d. All of the above.
Determine how the ABC contingency can be altered to promote more positive behavior. (Option (a) is correct one )
The method that intervention development will be influenced by the ABC data that are gathered on the function of the target behavior is through the determination of how the ABC contingency can be changed to encourage more positive behavior.
By identifying the functional reinforcers that sustain problem behavior, practitioners can create therapies that are more effective (i.e., from a smaller pool of potential interventions to choose from) and efficient.
Linking therapies to the outcomes of functional assessments has become accepted clinical practice and is now covered by both federal and state laws. This represents a significant and advantageous change in the method of behavioral intervention.
Therefore,
Determine how the ABC contingency can be altered to promote more positive behavior. (Option (a) is correct one )
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help me answer will get brainliest
Answer:
The first one is 40/100 = 4/10 = 40%
The second one is 52/100 = 13/25 = 52%
The third one is 22/100 = 11/50 = 22%
The fourth one is 9/100 = This is already simplified = 9%
Answer:
Step-by-step explanation:
a = 40/100 = 20/50, 40%
just count the blue dots on the graph and they will give you a number from 1-100 and you use that for substitutions.
suppose a is a set with m elements and b is a set with n elements. a. how many relations are there from a to b? explain. b. how many functions are there from a to b? explain. c. what fraction of the relations from a to b are functions?
a)There are \(2^m^n\) possible relation
b)Similarly \(n^m\)
c)\(\frac{n^m}{2^m^n}\)
a)Set A has m elements and set B has n elements
Firstly determine the number of elements A*B by using the multiplication rule
Number of elements\(=A*B=m*n=mn\)
For each element, \(A*B\) we have two option
First element 2 ways
Second element 2 ways
mn element 2 ways
By using the multiplication rule
\(2*2*2......=2^m^n }\)
Then there are \(2^m^n\) possible relation
b)Similarly \(n^m\)
c)\(\frac{n^m}{2^m^n}\)
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Start with the original matching pennies game, where player 1 wins by matchups and player 2 wins by mismatches; and the winning versus losing payoffs are +1 and – 1 respectively. Then decrease the payoff from a mismatch loss for player 1 (when players 1 and 2 choose tails and heads respectively) from –1 down to – 6, and decrease the losing payoff from a double tails loss for player 2 from –1 down to – 10; but keep all other winning or losing payoffs the same as before (at either +1 or – 1). (A) Draw the payoff matrix with the modified losing payoffs. (B) Also draw two diagrams showing each player’s pair of expected payoff lines, and showing the other player’s equilibrium decision probability. (C) Finally, calculate the numerical values of these Nash equilibrium probabilities (p1*, p2*) for this case.
There is no Nash equilibrium in pure strategies because neither player has a strategy that maximizes their expected payoff.
(A) The modified payoff matrix for the matching pennies game with the updated losing payoffs is as follows:
Player 2
Heads (H) Tails (T)
Player 1 +1, -1 -6, +6
Heads (H)
Tails (T) -10, +10 +1, -1
(B) The diagrams showing each player's pair of expected payoff lines and the other player's equilibrium decision probability are as follows:
Player 1's Expected Payoff Line:
H T
Probability: p1 1-p1
Expected Payoff: p1(-6) + (1-p1)(+1)
Player 2's Expected Payoff Line:
H T
Probability: p2 1-p2
Expected Payoff: p2(-10) + (1-p2)(+1)
The equilibrium decision probability for each player will be the value that maximizes their expected payoff. In this case, player 1 will choose heads (H) with probability p1* and player 2 will choose tails (T) with probability p2*.
(C) To calculate the numerical values of the Nash equilibrium probabilities (p1*, p2*), we need to find the values that maximize each player's expected payoff.
For player 1:
Expected Payoff = p1(-6) + (1-p1)(+1)
= -6p1 + 1 - p1 + p1
= -5p1 + 1
To maximize this expected payoff, we set the derivative equal to zero:
d/dp1 (-5p1 + 1) = -5 = 0
-5 = 0 (No solution)
For player 2:
Expected Payoff = p2(-10) + (1-p2)(+1)
= -10p2 + 1 + p2 - p2
= -9p2 + 1
To maximize this expected payoff, we set the derivative equal to zero:
d/dp2 (-9p2 + 1) = -9 = 0
-9 = 0 (No solution)
There is no Nash equilibrium in pure strategies because neither player has a strategy that maximizes their expected payoff.
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Please help me (see attachment)
What is the radius of a circle that has a sector area of 4 pi cm^2 and a central angle of 1pi/2 radians?
a.4
b.5
c.3pi
d.4pi
Answer:4
Step-by-step explanation:
What's the number of possible outcome when a coin is tossed four times
Answer:equal
Step-by-step explanation: no number but equal as it is tossed 4 times
Answer:
16
Step-by-step explanation:
The number of possible outcomes at each coin toss = 2.
The total number of possible outcomes after 4 times = 2⁴ = 16.
What is the sum of number m and three previous numbers?
Answer:
4m-6
Step-by-step explanation:
m+m-1+m-2+m-3
THAT IS ALL!
if a and b are directly proportional and b and c are directly proprtional, then how are a and c related
a and c are directly proportional to each other when a and b are directly proportional and b and c are directly proportional.
If a and b are directly proportional and b and c are directly proportional, it means that their ratios are equal. Direct proportionality implies that as one variable increases, the other also increases in proportion and as one variable decreases, the other also decreases in proportion.
Mathematically, this can be written as
a = kb and b = mc, where k and m are constants of proportionality.
Multiplying these two equations gives: a = kbm
Substituting the value of b from the second equation in the first equation, we get: a = kmc
Therefore, a and c are also directly proportional to each other with a constant of proportionality km.
Thus, if a increases by a certain factor, c will also increase by the same factor.
If a and b are directly proportional and b and c are directly proportional, then it can be concluded that a and c are directly proportional as well.
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» How many millimeters are in 9.4 centimeters?
Answer:
9.4 centimeters = 94 millimeters
2.
What extraneous solution arises when the equation x + 3 = 2x is solved for
x by first squaring both sides of the equation?
Enter your answer in the box.
Answer:
x = -3/4
Step-by-step explanation:
I assume the question is
√(x + 3) = 2x
Square both sides.
x + 3 = 4x²
4x² - x - 3 = 0
(4x + 3)(x - 1) = 0
4x + 3 = 0 or x - 1 = 0
x = -3/4 or x = 1
Check solution x = -3/4 in the original equation.
√(x + 3) = 2x
√(-3/4 + 3) = 2(-3/4)
This solution cannot work since the right side is negative, and a square root cannot equal a negative number.
Check solution x = 1 in the original equation.
√(x + 3) = 2x
√(1 + 3) = 2(1)
√4 = 2
2 = 2
Solution x = 1 works.
Answer: x = -3/4
Find the equation of the line parallel to y = x - 3 that also intersects the point (3,-2).
y = ( )x + ( )
Answer:
Y= 1x+-5
Step-by-step explanation:
17) Evaluate D(4)
Please help
Answer:
D(4) = 6
Step-by-step explanation:
Using the blue graph, find the y value when x =4
the y value is 6 when x=4
D(4) = 6
Plea/seee help!!I need the ans
Step-by-step explanation:
8 - 2 = 6
\(8 - 2 = 6\)
We get statistics of 2017-2018 Average Starting Teacher Salaries by State measured by NEA. Given that the salary of Colorado is 33483, the sample size is 4,900 and the standard deviation is 602.694. a. What is the margin of error for a 95% confidence interval in Colorado
Determine if the subset of R^2 consisting of vectors of the form [a b], where a + b = 1 is a subspace. Select true or false for each statement. This set is closed under scalar multiplications This set is a subspace This set is closed under vector addition The set contains the zero vector
If the subset of R^2 consisting of vectors of the form [a b], where a + b = 1 is a subspace. The statement: This set is closed under scalar multiplications This set is a subspace .This set is closed under vector addition The set contains the zero vector is False.
Vector:A vector is a quantity or phenomenon that has two independent properties: magnitude and direction. The term also denotes the mathematical or geometrical representation of such a quantity.
Examples of vectors in nature are velocity, momentum, force, electromagnetic fields, and weight. A quantity or phenomenon that exhibits magnitude only, with no specific direction, is called a Scalar . Examples of scalars include speed, mass, electrical resistance, and hard-drive storage capacity.
Scalar Multiplication:Scalar multiplication is the multiplication of a vector by a scalar (where the product is a vector), and is to be distinguished from inner product of two vectors (where the product is a scalar).
For quaternion scalars and matrices:
λ = 2 A = \(\left[\begin{array}{ccc}a&b\\c&d\\\end{array}\right]\)
2A = 2\(\left[\begin{array}{ccc}a&b\\c&d\\\end{array}\right]\)
= \(\left[\begin{array}{ccc}2a&2b\\2c&2d\\\end{array}\right]\) = \(\left[\begin{array}{ccc}a.2&b.2\\c.2&d.2\\\end{array}\right]\)
= \(\left[\begin{array}{ccc}a&b\\c&d\\\end{array}\right]\) × 2 = A2
Subspace:In mathematics, and more specifically in linear algebra, a linear subspace, also known as a vector subspace is a vector space that is a subset of some larger vector space. A linear subspace is usually simply called a subspace when the context serves to distinguish it from other types of subspaces.
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A scientist measured the growth rate of a bamboo plant at 6 inches in 12 hours. What is the growth rate of the Bamboo? (in inches/hr)
Growth rate
\(\\ \sf\longmapsto Distance/Time\)
\(\\ \sf\longmapsto 6/12\)
\(\\ \sf\longmapsto 0.5in/h\)
How do you prove similarity in math?
Answer:
AA (Angle-Angle): If triangles have two of the same angles, then the triangles are similar. SAS (Side-Angle-Side): If triangles have two pairs of proportional sides and equal included angles, then the triangles are similar.
Step-by-step explanation:
Daniel got 75 marks,72 marks and 63 marks in three tests what is his average
Answer:
\(\huge\boxed{\sf Avg = 70}\)
Step-by-step explanation:
\(\displaystyle Average = \frac{Sum \ of \ marks \ on\ tests}{Number \ of \ tests} \\\\Avg = \frac{75 + 72+63}{3} \\\\Avg = \frac{210}{3} \\\\\boxed{Avg = 70}\\\\\rule[225]{225}{2}\)
Hope this helped!
~AH1807Daniel got 75 marks,72 marks and 63 marks in three tests. What is his average?
Answer:His average is 70.— — — — — — — — — —
Solution:To calculate his average, we need to get the sum of marks on his tests, then multiply it by number of tests.
\(\displaystyle \small \tt Average = \frac{Sum \ of \ marks \ on\ tests}{Number \ of \ tests} \\\ \\ \tt Avg = \frac{75 + 72+63}{3} \\\\ \tt \: Avg = \frac{210}{3} \\\\ \: \tt{Avg = \underline{ \boxed{ \blue{ \bold{70}}}}}\)
Hence, his average is 70.