The system of inequalities that represents the possible ways Dakota can mix the cereals is:
6a + 8b < 200
7a + 5b <= 150
Dakota wants the bowl of cereal to contain no more than 200 milligrams of sodium and 150 calories.
The first inequality represents the limit on the sodium content, which cannot exceed 200 milligrams. Cereal A has 6 milligrams of sodium per gram, and Cereal B has 8 milligrams of sodium per gram.
Therefore, 6a + 8b represents the total sodium content in milligrams for a mixture of grams of Cereal A and b grams of Cereal B.
The second inequality represents the limit on the calorie content, which cannot exceed 150 calories. Cereal A has 7 calories per gram, and Cereal B has 5 calories per gram.
Therefore, 7a + 5b represents the total calorie content in calories for a mixture of grams of Cereal A and b grams of Cereal B.
Therefore, the system of inequalities that represents the possible ways Dakota can mix the cereals is:
6a + 8b < 200
7a + 5b <= 150
Learn more about inequalities here:
https://brainly.com/question/30231190
#SPJ1
this is due today im stuck on the last question
The association in this graph can best be described as C. Negative linear.
What is a negative linear association?A negative linear association is one that moves from the left to the right. In this kind of association, the predictor increases while the response decreases. The linear nature of this association is seen in the straight line formed from the plot.
A positive linear association would fall from the right towards the left side and a non-linear association will form a curve. So, the association in the table is negative linear.
Learn more about the negative linear association here:
https://brainly.com/question/30871880
#SPJ1
The volume of a sphere with a diameter of 6cm, rounded to the nearest tenth
Answer:
113.1 cm³
Step-by-step explanation:
diameter = 2 X radius
Volume of sphere = (4/3) X π X r ³
= (4/3) π (3)³
= 36π
= 113.1 cm³ to nearest tenth
dylan says he has a polyhedron with 8 faces, 7 vertices and 10 edges. dylan has made a mistake, two of his values are correct, state the possible correct number of faces, vertices and edges.
Answer:
5 faces4 vertices13 edgesStep-by-step explanation:
Given two of three numbers correct, you want to find the correct value for the third number of 8 faces, 7 vertices, and 10 edges.
Euler's formulaThe relation between faces, vertices, and edges is ...
F + V = E + 2
The given numbers are off by 3:
8 + 7 = 15 ≠ 12 = 10 + 2
ApplicationWe can decrease the numbers of Faces or Vertices by 3, or we can increase the number of Edges by 3.
The numbers will be correct if we change to ...
5 faces, or4 vertices, or13 edges#95141404393
Pls help!!!!!!!! 50 POINTS !!!!! Divide
[tex]6\sqrt{5} \ cis(\frac{11\pi}{6}) \div 3\sqrt{6} \ cis (\frac{\pi}{2} )[/tex] can be expressed in polar form as[tex]6\sqrt{5} \ cis(\frac{11\pi}{6}) \div 3\sqrt{6} \ cis (\frac{\pi}{2} )=\underline{\frac{\sqrt{30} }{3} } \ cis\ (\underline{\frac{4\pi}{3}})[/tex] . Therefore the values to be dragged in the box are [tex]\frac{\sqrt{30} }{3}[/tex] and [tex]\frac{4\pi}{3}[/tex].
We have to express in polar form, polar form of complex number:
[tex]r(cos\theta+isin\theta) \rightarrow rcis\theta[/tex]
where, r = modulus of complex number
[tex]\theta[/tex] = argument of complex number
The division of two complex number, [tex]z=[/tex] [tex]r_{1} cis \theta_{1}[/tex] and [tex]x=[/tex] [tex]r_{2} cis \theta_{2}[/tex]
[tex]\frac{z}{x} = \frac{r_{1} }{r_{2} }\ cis(\theta_{1}- \theta_{2})[/tex]
Similarly, let a = [tex]6\sqrt{5} \ cis(\frac{11\pi}{6})[/tex]
b = [tex]3\sqrt{6} \ cis(\frac{pi}{2})[/tex]
[tex]\frac{a}{b}= \frac{6\sqrt{5} }{3\sqrt{6} } \ cis (\frac{11\pi }{6}- \frac{\pi}{2} )[/tex]
[tex]= \frac{{\sqrt{2}}\times\sqrt{2}\times\sqrt{5} }{\sqrt{2} \times\sqrt{3} } \ cis(\frac{11\pi-3\pi}{6} )[/tex]
[tex]=\sqrt{\frac{10}{3} }\ cis\ \frac{8\pi}{6}[/tex]
[tex]\frac{a}{b}= \sqrt{\frac{10}{3} } \ cis\ \frac{4\pi}{3}[/tex]
It can also be written as, [tex]\frac{a}{b}= \frac{\sqrt{30} }{3} \ cis\ \frac{4\pi}{3}[/tex]
⇒ [tex]6\sqrt{5} \ cis(\frac{11\pi}{6}) \div 3\sqrt{6} \ cis (\frac{\pi}{2} )= \frac{\sqrt{30} }{3} \ cis\ \frac{4\pi}{3}[/tex]
Comparing it with the question we get:
[tex]6\sqrt{5} \ cis(\frac{11\pi}{6}) \div 3\sqrt{6} \ cis (\frac{\pi}{2} )=\underline{\frac{\sqrt{30} }{3} } \ cis\ (\underline{\frac{4\pi}{3}})[/tex]
Therefore, the first blank is [tex]\frac{\sqrt{30} }{3}[/tex] and the second blank is [tex]\frac{4\pi}{3}[/tex].
Know more about polar form of complex number,
https://brainly.com/question/28967624
#SPJ1
Los costos de fabricación de maquetas se modelan a la siguiente función. C(x) = 10 + 2x. El fabricante estima que el precio de venta en soles de cada maqueta viene dado por: P(x) = 20 6x2 800 ¿Qué cantidad de maquetas debe producir?
Models should be produced of the function C(x) = 10 + 2 x is 329.4 .
Cost of manufacturing is
C(x) = 10 + 2 x
Sale price in soles of each model is
P(x) = 20 - [tex]\frac{6x^{2} }{800}[/tex]
U(x) is the utility function
U(x) = x P(x) - C(x)
U(x) = x (20 - [tex]\frac{6x^{2} }{800}[/tex] ) - (10 +2x)
U(x) = 20x - [tex]\frac{6x^{3} }{800}[/tex] - 10 - 2x
U(x) = 18x - [tex]\frac{6x^{3} }{800}[/tex] - 10
U'(x) = 18 - 18x²/800
For maximum model U'(x) = 0
18 - 18x²/800 = 0
18x²/800 = 18
x² = 800
x = √800
x = 20√2
U(x) = 18(20√2 ) - [tex]\frac{6(20\sqrt{2} )^{2} }{800}[/tex] - 10
U(x) = 329.5
To know more about function click here :
https://brainly.com/question/21326461
#SPJ4
The question is in Spanish question in English :
The manufacturing costs of models are modeled to the following function. C(x) = 10 + 2x. The manufacturer estimates that the sale price in soles of each model is given by: P(x) = 20- 6x2/800 How many models should be produced?
aider moi svp, merci.
Answer:
Step-by-step explanation:
a= 3(x+11)
B=9(x+8)
C=5(x+5)
D=3(3x+2)
Pets Survey
Pets No Pets Total
6th grade
28 23
7th grade 20 29
8th grade 12
Total 60
How many 7th graders were surveyed?
22
74
51
49
34
134
 From the attachment, what is the measure of Arc CDE?
The value of the measure of Arc CDE is,
⇒ Arc CDE = 128 degree
Since, An angle is a combination of two rays (half-lines) with a common endpoint. The latter is known as the vertex of the angle and the rays as the sides, sometimes as the legs and sometimes the arms of the angle.
Here, A circle is shown in figure.
And, By circle we have;
The measure of Arc CDE is,
⇒ Arc CDE = 128 degree
Thus, The value of the measure of Arc CDE is,
⇒ Arc CDE = 128 degree
Learn more about the angle visit:;
https://brainly.com/question/25716982
#SPJ1
Give an example of a positive fraction c/d where -50 (c/d) > - 50
If c and d are positive, then -c/2>d/2 is an example of a positive fraction c/d that satisfies the inequality -50 (c/d) > - 50
We know that c/d is a positive fraction,
so c>0 and d>0.
Multiplying both sides of the inequality by -d (which is negative since d>0), we get:
-50(c/d)>-50(-d)
-50c>50d
Dividing both sides by 50 (which is positive), we get:
-c>d
-c/2>d/2
Since c and d are positive, this is an example of a positive fraction c/d that satisfies the inequality -c/2>d/2
To learn more on Inequality click:
https://brainly.com/question/28823603
#SPJ1
kyle is tossing bean bags at a target. so far, he has had 22 hits and 14 misses. what is the experimental probability that kyle's next toss will be a hit?
The experimental probability that Sue will hit the bullseye on her next toss is 2/7.
We have,
The proportion of outcomes where a specific event occurs in all trials, not in a hypothetical sample space but in a real experiment, is known as the empirical probability, relative frequency, or experimental probability of an event.
Here, we have
Given: Sue is playing darts. So far, she has hit the bullseye 4 times and missed the bullseye 10 times.
We have to find the experimental probability that Sue will hit the bullseye on her next toss.
experimental probability = 4/(4+10) = 4/14 = 2/7
The next toss = P = 2/7
Hence, the experimental probability that Sue will hit the bullseye on her next toss is 2/7.
To learn more about the experimental probability from the given link
brainly.com/question/8652467
#SPJ1
complete question:
Sue is playing darts. So far, she has hit the bullseye 4 times and missed the bullseye 10 times. What is the experimental probability that Sue will hit the bullseye on her next toss?
(q77) For what constant k is f(x) = ke-^(3x+2) a probability density function on [0 1]?
The probability density function on [0 1] is 36, the correct option is C.
We are given that;
Function f(x) = ke-^(3x+2)
Now,
The function f(x) = ke^(-3x+2) is a probability density function on [0 1] if and only if the integral of f(x) from 0 to 1 is equal to 1.
∫(0 to 1) ke^(-3x+2) dx = -1/3ke^(-3x+2) from 0 to 1 = -1/3ke^-1 + 1/3ke^2
For f(x) to be a probability density function, the above expression must be equal to 1. Therefore,
-1/3ke^-1 + 1/3ke^2 = 1
Solving for k gives us k = 36
Therefore, by probability the answer will be 36.
Learn more about probability here;
https://brainly.com/question/9326835
#SPJ1
Help how do I factor with the given zero!
y=x^4+2x^3-20x^2+64x-32
2+2i
The factored function is given as follows:
[tex]x^4 + 2x^3 - 20x^2 + 64x - 32 = (x^2 + 6x - 4)(x^2 - 4x + 8)[/tex]
How to factor the function?The function for this problem is defined as follows:
[tex]y = x^4 + 2x^3 - 20x^2 + 64x - 32[/tex]
The zeros are given as follows:
x = 2 + 2i.x = 2 - 2i. -> complex conjugate theorem, if a complex number is a zero, the conjugate also is:Hence the function is factored as follows:
[tex]x^4 + 2x^3 - 20x^2 + 64x - 32 = (ax^2 + bx + c)(x - 2 + 2i)(x - 2 - 2i)[/tex]
(we have the multiplication of two second degree polynomials resulting in a fourth degree polynomial, we must obtain the other second degree polynomial).
[tex]x^4 + 2x^3 - 20x^2 + 64x - 32 = (ax^2 + bx + c)(x^2 - 4x + 8)[/tex]
[tex]x^4 + 2x^3 - 20x^2 + 64x - 32 = ax^4 + (-4 + b)x^3 + \cdots + 8c[/tex]
(it is not necessary to make the calculations in the middle of the function as they are not needed to obtain the constants).
Hence the value of a is given as follows:
a = 1.
The value of b is given as follows:
-4 + b = 2
b = 6.
The value of c is given as follows:
8c = -32
c = -4.
Hence the factored expression is of:
[tex]x^4 + 2x^3 - 20x^2 + 64x - 32 = (x^2 + 6x - 4)(x^2 - 4x + 8)[/tex]
More can be learned about the Factor Theorem at https://brainly.com/question/24729294
#SPJ1
DS
Plans for a new storage unit are
shown. If 0.125 in = 1 ft, what is the area
of the new unit?
E
Answer:
.125 = 3.25/l
.125l = 3.25, so l = 26 feet
.125 = 2.5/w
.125w = 2.5, so w = 20 feet
A = lw = (26 feet)(20 feet)
= 520 square feet
The correct answer is A.
A statistics teacher gives a 10-question multiple-choice pop quiz with five answer choices per problem. Brandon is not prepared and has to guess the answer for each of the 10 questions. The teacher explains that students will receive a free homework pass if they answer at least five questions correctly.What is the probability that Brandon will earn a free homework pass?0.0060.0260.0330.9670.994
According to the statement the total probability is approximately 0.026, which is the second option in the list provided.
The probability that Brandon will earn a free homework pass can be found using the binomial probability formula. In this case, the number of trials (n) is 10, the probability of success (p) is 1/5 (since there are five answer choices per problem), and the probability of failure (q) is 4/5. We need to calculate the probability of getting at least 5 correct answers, meaning we will consider 5, 6, 7, 8, 9, and 10 correct answers.
The binomial probability formula is:
P(x) = C(n, x) * (p^x) * (q^(n-x))
Where P(x) is the probability of x successes, C(n, x) is the number of combinations of n items taken x at a time, and p and q are the probabilities of success and failure, respectively.
Calculating the probabilities for each of the desired outcomes (5 to 10 correct answers) and summing them up will give us the probability of Brandon earning a free homework pass. After doing the calculations, the total probability is approximately 0.026, which is the second option in the list provided.
To know more about probability visit :
https://brainly.com/question/29221515
#SPJ11
Suppose A and B are events with 0 < P(A) < 1 and 0 < P(B) < 1.If A and B are disjoint, can they be independent?If A and B are independent, can they be disjoint?If A ? B, can A and B be independent?If A and B are independent, can A and A ? B be independent?
No, if A and B are disjoint, they cannot be independent.
Yes, A and B can be independent and disjoint.
Yes, A and B can be independent even if A is a subset of B.
No, if A and B are independent, A and A ⊂ B (A is a proper subset of B) cannot be independent.
Let's address each question separately:
1. If A and B are disjoint (mutually exclusive), meaning they cannot occur simultaneously, can they be independent?
No, if A and B are disjoint, they cannot be independent. The definition of independence states that the probability of the intersection of two independent events is equal to the product of their individual probabilities. Since A and B are disjoint, their intersection is empty, and the probability of an empty set is zero. Therefore, the condition for independence does not hold.
2. If A and B are independent, can they be disjoint?
Yes, A and B can be independent and disjoint. Disjoint events mean they have no common outcomes, while independent events mean that the occurrence of one event does not affect the probability of the other. Therefore, if A and B are independent, it is possible for them to be disjoint.
3. If A ⊂ B (A is a subset of B), can A and B be independent?
Yes, A and B can be independent even if A is a subset of B. The independence of events is determined by the conditional probabilities. In this case, if A ⊂ B, then the occurrence of A provides information about B. However, if the conditional probability of B given A is equal to the probability of B (P(B|A) = P(B)), then A and B can still be considered independent.
4. If A and B are independent, can A and A ⊂ B be independent?
No, if A and B are independent, A and A ⊂ B (A is a proper subset of B) cannot be independent. When A is a proper subset of B, the occurrence of A provides information about B. As a result, the probability of B given A, denoted as P(B|A), is affected by the knowledge that A has occurred. Therefore, A and A ⊂ B are not independent in this scenario.
Visit here to learn more about conditional probabilities:
brainly.com/question/30144287
#SPJ11
in a hypothesis testing context, before examining the data, one should a. compute the p-value for the test. b. decide whether or not to reject the null hypothesis. c. decided whether the alternative hypothesis is one-sided or two-sided. d. all of the above.
In a hypothesis testing context, before examining the data, one should typically decide whether the alternative hypothesis is one-sided or two-sided. This decision is based on the specific research question and the expected direction of the effect being tested.
It helps determine the appropriate statistical test and the formulation of the null and alternative hypotheses.
The computation of the p-value and the decision of whether or not to reject the null hypothesis are made after examining the data and conducting the statistical analysis. The p-value is a measure of the strength of the evidence against the null hypothesis, and it is compared to a predetermined significance level to make a decision. If the p-value is below the significance level, the null hypothesis is typically rejected in favor of the alternative hypothesis.
Therefore, the correct answer is (c) decided whether the alternative hypothesis is one-sided or two-sided.
To learn more about Hypothesis - brainly.com/question/31319397
#SPJ11
find a function r(t) for the line passing through the points p(8,3,3) and q(6,8,7)
The function r(t) for the line passing through the points p(8,3,3) and q(6,8,7) is r(t) = <8-2t, 3+5t, 3+4t>
We can use the vector form of the equation of a line to find a function r(t) for the line passing through the points p(8,3,3) and q(6,8,7).
Let's first find the direction vector of the line by subtracting the coordinates of the two points:
q - p = <6-8, 8-3, 7-3> = <-2, 5, 4>
Now, we can write the vector equation of the line in terms of a parameter t as:
r(t) = p + t(q - p)
Substituting the values of p and q, we get:
r(t) = <8, 3, 3> + t<-2, 5, 4>
Expanding, we get:
r(t) = <8-2t, 3+5t, 3+4t>
Therefore, the function r(t) for the line passing through the points p(8,3,3) and q(6,8,7) is:
r(t) = <8-2t, 3+5t, 3+4t>
Learn more about line here
https://brainly.com/question/18831322
#SPJ11
find the solutions to the equation in the interval 0 ≤ ≤ . 2 cos(2) 1 = 0
The equation 2cos(2x) + 1 = 0 has no solutions in the interval [0, π/2].
We can start by rearranging the equation:
2cos(2x) = -1
cos(2x) = -1/2
Since the cosine function has a maximum value of 1 and a minimum value of -1, the equation cos(2x) = -1/2 has solutions in the interval [0, π/2] if and only if -1/2 is between -1 and 1/2. However, this is not the case, so the equation has no solutions in the given interval.
To see this more clearly, we can use the inverse cosine function (also known as arccosine) to find the angles whose cosine is -1/2. Using a calculator or a table, we find that the two angles in the interval [0, π] whose cosine is -1/2 are π/3 and 5π/3. Since π/3 is less than π/2 and 5π/3 is greater than π/2, neither of these angles is in the interval [0, π/2]. Therefore, the equation 2cos(2x) + 1 = 0 has no solutions in this interval.
In summary, the equation 2cos(2x) + 1 = 0 has no solutions in the interval [0, π/2] because the cosine of any angle in this interval is greater than or equal to -1/2, which is not a solution to the equation.
Learn more about Interval:
brainly.com/question/13708942
#SPJ11
Find the exact length of the curve.x = 5 + 12t2, y = 1 + 8t3, 0 ≤ t ≤ 2
The exact length of the curve is 8/3 (5sqrt(26) - 1).
What is the exact length of the curve x = 5 + 12t2, y = 1 + 8t3, 0 ≤ t ≤ 2?To find the length of the curve, we can use the arc length formula:
L = ∫[tex][a,b]sqrt(dx/dt)^2 + (dy/dt)^2 dt[/tex]
where a and b are the starting and ending values of the parameter t, and dx/dt and dy/dt are the derivatives of x and y with respect to t, respectively.
Plugging in the given equations, we get:
[tex]dx/dt = 24t[/tex]
[tex]dy/dt = 24t^2[/tex]
Therefore,
[tex](sqrt(dx/dt)^2 + (dy/dt)^2) = sqrt((24t)^2 + (24t^2)^2) = sqrt(576t^2 + 576t^4)[/tex]
Substituting these expressions into the arc length formula, we get:
L = ∫[tex][0,2]sqrt(576t^2 + 576t^4) dt[/tex]
We can factor out 576t^2 from the square root:
L = ∫[tex][0,2]sqrt(576t^2(1 + t^2)) dt[/tex]
And then simplify the expression inside the square root:
L = ∫[tex][0,2]24t sqrt(1 + t^2) dt[/tex]
This integral can be evaluated using the substitution[tex]u = 1 + t^2, du/dt = 2t, dt = du/2t:[/tex]
L = ∫[tex][1,5]12 sqrt(u) du[/tex]
Now we can use the power rule of integration to evaluate this integral:
[tex]L = [8/3 u^(3/2)]_1^5 = 8/3 (5sqrt(26) - 1)[/tex]
Therefore, the exact length of the curve is 8/3 (5sqrt(26) - 1).
Learn more about integration
brainly.com/question/31585464
#SPJ11
Unit 5 progress check: mcq part a ap calculus ab Let f be the function given by f(x)=5cos2(x2)+ln(x+1)−3. The derivative of f is given by f′(x)=−5cos(x2)sin(x2)+1x+1. What value of c satisfies the conclusion of the Mean Value Theorem applied to f on the interval [1,4] ?
By the Mean Value Theorem, there exists a value c in the interval [1,4] such that f'(c) is equal to the average rate of change of f on the interval [1,4], which is (f(4) - f(1))/(4-1).
We can start by computing f(4) and f(1):
f(4) = 5cos(2(4^2)) + ln(4+1) - 3 = -0.841 + 1.609 - 3 = -1.232
f(1) = 5cos(2(1^2)) + ln(1+1) - 3 = 2.531 - 0.693 - 3 = -1.162
Then, we can compute the average rate of change:
(f(4) - f(1))/(4-1) = (-1.232 - (-1.162))/3 = -0.023
To satisfy the conclusion of the Mean Value Theorem, we need to find a value c in the interval [1,4] such that f'(c) = -0.023. From the given expression for f'(x), we can see that there is no value of c that satisfies this equation, since f'(x) can never be negative. Therefore, there is no value of c that satisfies the conclusion of the Mean Value Theorem applied to f on the interval [1,4].
To learn more about mean value theorem click here :
brainly.com/question/15576742
#SPJ11
At LaGuardia Airport for a certain nightly flight, the probability that it will rain is 0.15 and the probability that the flight will be delayed is 0.14. The probability that it will rain and the flight will be delayed is 0.12. What is the probability that it is not raining and the flight leaves on time? Round your answer to the nearest thousandth.
The probability that it is not raining and the flight leaves on time is 0.83 rounded to the nearest thousandth.
Let's use the formula for the probability of the intersection of two events to find the probability that it will rain and the flight will be delayed:
P(rain and delay) = 0.12
The probability of either rain or delay or both by using the formula for the probability of the union of two events:
P(rain or delay) = P(rain) + P(delay) - P(rain and delay)
Substituting the given probabilities, we get:
P(rain or delay) = 0.15 + 0.14 - 0.12
P(rain or delay) = 0.17
The probabilities of rain or delay or both add up to 0.17 can find the probability that it is not raining and the flight leaves on time by subtracting this value from 1:
P(not rain and on time) = 1 - P(rain or delay)
P(not rain and on time) = 1 - 0.17
P(not rain and on time) = 0.83
For similar questions on probability
https://brainly.com/question/24756209
#SPJ11
The ratio of boys to girls in Mr. Johnson's class is 2 to 3. There are 15 girls in the class.
There are 10 boys in Mr. Johnson's class, and the total number of Students in the class is:10 + 15 = 25
If the ratio of boys to girls in Mr. Johnson's class is 2 to 3, this means that for every 2 boys, there are 3 girls. Let's represent the number of boys in the class as "b". Then we can set up the following proportion:2/3 = b/15
To solve for "b", we can cross-multiply:2 x 15 = 3 x b
30 = 3b
b = 10
Therefore, there are 10 boys in Mr. Johnson's class, and the total number of students in the class is:10 + 15 = 25
It's worth noting that we could have also found the number of girls in the class by using the ratio. Since the ratio of boys to girls is 2 to 3, this means that the total number of parts in the ratio is 2 + 3 = 5. To find the number of girls, we can divide the total number of students (25) by the total number of parts (5) and then multiply by the number of parts representing girls (3):(25/5) x 3 = 15
So we can see that there are indeed 15 girls in the class.
To know more about Students .
https://brainly.com/question/28521601
#SPJ11
Determine whether the statement below is true or false. Justify the answer A matrix with orthonormal columns is an orthogonal matrix Choose the correct answer below. A. The statement is true All matrices with orthonormal rows and columns are orthogonal matrices OB. The statement is false. A matrix with orthonormal columns is an orthogonal matrix if the matrix is also square OC. The statement is false. A matrix with orthonormal columns is an orthogonal matrix if the matrix is not square OD. The statement is true. All matrices with orthonormal columns are orthogonal matrices
A matrix with orthonormal columns satisfies this condition and is therefore orthogonal. The statement is false. A matrix with orthonormal columns is an orthogonal matrix if the matrix is also square.
An orthogonal matrix is a square matrix whose columns and rows are orthonormal, which means they are orthogonal (perpendicular) to each other and have a magnitude of 1. If a matrix has orthonormal columns but is not square, it cannot be considered an orthogonal matrix.
The statement "A matrix with orthonormal columns is an orthogonal matrix" is false, and the correct answer is (B) - A matrix with orthonormal columns is an orthogonal matrix if the matrix is also square.
In summary, a matrix with orthonormal columns is not necessarily an orthogonal matrix. The statement is only true if the matrix is also square.
To explain, an orthogonal matrix is a square matrix where all columns (and rows) are orthonormal, meaning they are of unit length and orthogonal to each other. However, a matrix with orthonormal columns does not necessarily meet the requirements of being square and having orthonormal rows. In fact, a rectangular matrix with orthonormal columns cannot have orthonormal rows.
Therefore, the only way for a matrix with orthonormal columns to be an orthogonal matrix is if it is also square. This is because a square matrix has an equal number of rows and columns, which ensures that its columns and rows are orthonormal to each other, and hence it is an orthogonal matrix.
Learn more about orthogonal :
brainly.com/question/31851340
#SPJ11
standard pair of six-sided dice is rolled. what is the probability of rolling a sum greater than 5 ?
The probability of rolling a sum greater than 5 when rolling a pair of standard six-sided dice is 5/6 or approximately 0.833.
To determine the probability of rolling a sum greater than 5, we can first find the total number of possible outcomes when rolling two dice, which is 36 (6 possible outcomes for each of the 6 sides on the first die). We can then count the number of outcomes where the sum of the two dice is greater than 5, which includes the outcomes (2,4), (2,5), (2,6), (3,3), (3,4), (3,5), (3,6), (4,2), (4,3), (4,4), (4,5), (4,6), (5,2), (5,3), (5,4), (5,5), (5,6), (6,2), (6,3), (6,4), (6,5), and (6,6). There are 21 such outcomes, so the probability of rolling a sum greater than 5 is 21/36, which simplifies to 5/6 or approximately 0.833.
To learn more about probability : brainly.com/question/30034780
#SPJ11
NEED HELP ASAP
Which of the following tables represents a linear relationship that is also proportional?
x −4 −2 0
y 0 2 4
x 3 1 −1
y −2 0 2
x 0 1 2
y −1 0 1
x 6 3 0
y −2 −1 0
Answer:
x −4 −2 0
y 0 2 4
Step-by-step explanation:
:)
write each of the following polynomials as a product of irreducible polynomials over the given field. (a) 2x3 x2 2 over f3 (d) x4 x3 2x2 x 2 over f3
A quartic polynomials is more complicated than quadratic or cubic polynomials. There are no obvious linear or quadratic factors. It is possible that the polynomial x^4 + x^3 + 2x^2 + x + 2 is irreducible over F3.
The polynomial 2x³ + 2x² + 2 over the field F₃, we first notice that we can factor out a 2 from all three terms to obtain:
2(x³ + x² + 1)
Now we need to factor the polynomial x³ + x² + 1 over F₃. One way to do this is to simply plug in all possible values for x (which are 0, 1, and 2 in F₃) and see if any of them result in a zero polynomial. We find that none of them do, so we know that x³ + x² + 1 is irreducible over F₃.
Therefore, our final factorization of 2x³ + 2x² + 2 over F₃ is:
2(x³ + x² + 1)
(b) To factor the polynomial x⁴ + x³ + 2x² + x + 2 over F₃, we can start by plugging in all possible values for x and checking if any of them result in a zero polynomial. Doing so, we find that x = 1 is a root of the polynomial, which means that x - 1 is a factor. Using polynomial long division or synthetic division, we can divide x⁴ + x³ + 2x² + x + 2 by x - 1 to obtain:
x⁴ + x³ + 2x² + x + 2 = (x - 1)(x³ + 2x² + 4x + 2)
Now we need to factor the cubic polynomial x³ + 2x² + 4x + 2 over F₃. Again, we can plug in all possible values for x and check for roots, but we won't find any in this case. However, we can use the fact that the sum of the coefficients of the polynomial is zero (1 + 2 + 4 + 2 = 0 in F₃) to infer that x = 1 is a root mod 3, and therefore x - 1 is a factor. Dividing x³ + 2x² + 4x + 2 by x - 1 using polynomial long division or synthetic division, we obtain:
x³ + 2x² + 4x + 2 = (x - 1)(x² + 3x + 2)
Now we need to factor the quadratic polynomial x² + 3x + 2 over F₃. We can do this by factoring it as (x + 1)(x + 2), since (x + 1)(x + 2) = x² + 3x + 2 mod 3.
Therefore, our final factorization of x⁴ + x³ + 2x² + x + 2 over F₃ is:
(x - 1)(x + 1)(x + 2)²
To know more about polynomials here
https://brainly.com/question/25566088
#SPJ4
Given that
x
= 7.7 m and
θ
= 36°, work out BC rounded to 3 SF.
Answer:
Avg BC= 10.873 m
Step-by-step explanation:
See a picture
See Image below for question
The probabilities of hitting the next bat are Mitchell = 5/12 and Travis= 9/20
How to determine the probabilities of hitting the next batFrom the question, we have the following parameters that can be used in our computation:
Mitchell hits 5 out of 12 times
Travis hits 9 out of 20 times
The probabilities of hitting the next bat is calculated as
P(Hit) = Hit/Total number of times
using the above as a guide, we have the following:
P(Mitchell Hit) = 5/12
P(Travis Hit) = 9/20
Hence, the probabilities of hitting the next bat are 5/12 and 9/20
Read more about probabilities at
https://brainly.com/question/31649379
#SPJ1
Identify the center and shape of the distribution:
Center =
Shape =
The center and shape of the distribution are respectively:
9.6
Skewed left
What is the center and shape of the distribution?The center of a distribution is a found using a statistics such as mean, median, or mode, and then provides a single value that is representative of the data. The spread is one that describes how close the data values are to each other using the range or standard deviation. The shape is one that describes how the data looks on a graph.
From the bar graph, we see that the center of the distribution is at 9.6.
Similarly, we also see that it is skewed left because it is longer on the left side of its peak than on its right.
Read more about Shape of the distribution at: https://brainly.com/question/29459693
#SPJ1
Fill in this table as you work through the lesson. You may also use the glossary to help you.
absolute value
additive inverse
horizontal
integer
vertical
zero pair
the ____ a number is from 0 on a number line
The ____ of a number
_______ left and right
A ____ number or its opposite
Straight _____ and down
a set of two opposite numbers that equal ____ when combined
All the correct statements are,
⇒ the absolute value a number is from 0 on a number line
⇒ The additive inverse of a number
⇒ Horizontal left and right
⇒ An integer number or its opposite
⇒ Straight vertical and down
⇒ A set of two opposite numbers that equal zero when combined.
We have to given that;
To fill the blanks in all the statement.
Hence, We get;
We know that;
⇒ The absolute value a number is from 0 on a number line
⇒ The additive inverse of a number
⇒ Horizontal left and right
⇒ An integer number or its opposite
⇒ Straight vertical and down
⇒ A set of two opposite numbers that equal zero when combined.
Learn more about the triangle visit;
brainly.com/question/1058720
#SPJ1