The new basic feasible solution will have x\ as a non-basic variable and a new basic variable with a value not equal to zero.
When a problem is in canonical form and the associated basic feasible solution is degenerate, this means that one of the basic variables has a value of zero. If the pivot operation is then performed with the basic variable with a value of zero extracted from the basis, the new basic feasible solution will have x\ as a non-basic variable and a new basic variable with a value not equal to zero. This is because the pivot operation involves exchanging the extracted basic variable with one of the non-basic variables. Therefore, the new basic feasible solution will not be degenerate, as the new basic variable will have a value not equal to zero.
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this function represents the relationship between the radius of cylinders with a height of feet and their volume. why is this relationship between radius and volume nonlinear?
The relationship between the radius and volume of a cylinder with a height of 4 feet is nonlinear because the volume of a cylinder is given by the formula V = πr²h, where r is the radius and h is the height. In this case, the height is fixed at 4 feet. As we change the radius, the volume changes in a nonlinear manner.
The volume increases much faster as the radius increases. This can be seen from the exponential nature of the formula, as the radius is squared. Therefore, even a small increase in the radius results in a substantial increase in the volume, making the relationship between radius and volume nonlinear.
In contrast, if the height were to be proportional to the radius, then the relationship between radius and volume would be linear. This is because the volume would be proportional to the product of the radius and height, which is a linear relationship.
Therefore, the nonlinear relationship between radius and volume, in this case, is due to the exponential nature of the formula for the volume of a cylinder and the fixed height of 4 feet.
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--The given question is incomplete; the complete question is
"This function represents the relationship between the radius of cylinders with a height of 4 feet and their volumes. Why is this relationship between radius and volume nonlinear?"--
5 tractors with the same power working together had not yet mowed 60% of the field when 3 of them left the job. How many hours did the other 2 tractors continue to work to finish harvesting the field, if it is known that exactly 0 of the field had been mowed after 6 hours 0,6
The information given is not sufficient to solve for the number of hours the remaining 2 tractors worked to finish harvesting the field.
How to solve similar problems with complete informationTo solve for this, additional information is required such as the mowing speed of each tractor, the size of the field, and the amount of the field that was mowed before the 3 tractors left the job.
With this information, you can determine the total mowing time required to mow the entire field, and then subtract the 6 hours the 5 tractors worked together to find the time the remaining 2 tractors worked.
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[tex]\lim_{x \to } 0 \frac{1-cosx\sqrt{cos2x} }{x^2} }[/tex]
Find the limit.
The limit of the function in this problem is given as follows:
lim x->0 f(x) = 1/2.
How to obtain the limit of the function?Following the standard procedure to obtain the limit of the function, merely obtaining the numeric value at x = 1, the limit is undetermined at x = 0, as follows:
0/0.
Hence the can apply the L'Hospital Rule, trying to find the derivative at the numerator and the denominator, hence:
[cos(x)sqrt(cos(2x))]' = [-sin(x)sqrt(cos(2x)) - 2sin(2x)cos(x)/sqrt(sin(2x))].[x²]' = 2x.At x = 0, the limit would again assume an undetermined value of 0/0, hence the L'Hospital Rule is applied again, hence:
[-sin(x)sqrt(cos(2x)) - 2sin(2x)cos(x)/sqrt(sin(2x))]' = cos(2x)sqrt(cos(2x)).[2x]' = 2.Now the function is:
f(x) = cos(2x)sqrt(cos(2x))/2.
Since cos(x) = 0, the numeric value at x = 0 is given as follows:
f(0) = 1/2.
Which is the limit.
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Find the inverse of the function f(x)=∛(x+2)-5. Please show all work in finding the inverse.
Answer:
Step-by-step explanation:
Let [tex]f(x) = y[/tex]
∴ [tex]y = \sqrt[3]{x + 2} -5[/tex]
x has to be isolated and made the subject of the formula:
[tex]y + 5 = \sqrt[3]{x + 2}[/tex]
Cube is applied to both sides of the equation to get rid of the cube root:
[tex](y + 5)^{3} = x + 2[/tex]
x = [tex](y + 5)^{3} -2[/tex]
Substitute [tex]f^{-1} (y) = x[/tex]:
[tex]f^{-1} (y) = (y + 5)^{3} - 2[/tex]
Replace y with x:
[tex]f^{-1} (x) = (x + 5)^{3} -2[/tex]
Negative sixteen plus the quotient of a number and 2 is 35.
If negative sixteen plus the quotient of a number and 2 is 35, the number is 102.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
Number = x
Negative sixteen plus the quotient of a number and 2 is 35.
This can be written as,
Quotient of a number and 2.
x ÷ 2 = M (quotient)
So,
-16 + M = 35
Now,
Solve for M.
M = 35 + 16
M = 51
Now,
x ÷ 2 = 51
x/2 = 51
x = 51 x 2
x = 102
Now,
We can cross-check.
-16 + 51 = 35
35 = 35
Thus,
The number is 102.
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systems of two equations to solve systems of three equations.
Students are baking shortbread, croissants, and pound cakes.
• One group of students used a total of 3,525 grams of flour to make
5 batches of shortbread, 4 pound cakes, and 2 batches of croissants.
• Another group of students used 1,020 grams of flour to make one
batch each of shortbread and croissants and one pound cake.
• There is the same amount of flour in 4 pound cakes as there is
in 2 batches of croissants.
1. Let s = the amount of flour in a batch of shortbread, let c = the
amount of flour in a batch of croissants, and let p = the amount
of flour in a pound cake. Write an equation for each of the
3 statements above.
2. Multiply one equation, then add or subtract it with another
equation you wrote in Exercise 1 to eliminate the variable p.
3. Use the third equation and your result from Exercise 2 to write a
system of two equations with the variables p and c. Solve your system
and find the values for p and c.
4. What is the value of s? Explain what you did.
Step-by-step explanation:
Let s = the amount of flour in a batch of shortbread, let c = the amount of flour in a batch of croissants, and let p = the amount of flour in a pound cake.
The first statement can be written as 5s + 4p + 2c = 3525.
The second statement can be written as s + c + p = 1020.
The third statement can be written as 4p = 2c.
Multiplying the third equation by 2, we get 8p = 4c.
Subtracting this from the first equation, we get 5s + 4p + 2c - 8p = 3525 - 8p.
Simplifying, we get 5s - 6c = 3525 - 8p.
Now we have a system of two equations with the variables c and p:
5s - 6c = 3525 - 8p
s + c + p = 1020
We can use substitution to eliminate c. Solving the second equation for c, we get c = 1020 - s - p.
Substituting this into the first equation, we get 5s - 6(1020 - s - p) = 3525 - 8p.
Expanding the second equation and simplifying, we get 11s = 4545 - 8p.
Solving for s, we get s = (4545 - 8p) / 11.
Substituting the value of s into the second equation, we get c + p + (4545 - 8p) / 11 = 1020.
Expanding and simplifying, we get c + p + (4545 - 8p) / 11 = 1020.
Expanding, we get c + p = 1020 - (4545 - 8p) / 11.
Solving for c and p, we find that c = 664 grams and p = 356 grams.
Finally, the value of s is (4545 - 8 * 356) / 11 = 735 grams.
The mathematical constant pi is needed when calculating the area of a
When computing the area of a circle, the mathematical constant pi () is required. Pi is the circumference-to-diameter ratio of a circle and is approximately equal to 3.14159.
The area of a circle is calculated by multiplying pi by the radius squared (r2). To estimate the area of a circle, utilize pi in the calculation since it is a vital aspect of the relationship between the circumference and diameter of a circle.
Pi is not required when determining the area of a square, rectangle, or cube since the formulas for these shapes are different.
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The question is -
The mathematical constant pi is needed when calculating the area of a _.
a. circle
b. square
c. rectangle
d. cube
I’m on 1685 randomly selected high school students surveyed by public health organization, 437 said they were current smokers. Complete parts a through C below.
Answer: a. What is the proportion of current smokers among the 1685 high school students surveyed?
The proportion of current smokers among the 1685 high school students surveyed is 437/1685 = 0.259 or 26%.
b. What is the point estimate for the population proportion of all high school students who smoke?
The point estimate for the population proportion of all high school students who smoke is 0.259.
c. What is the 95% confidence interval for the population proportion of all high school students who smoke?
The 95% confidence interval can be calculated using the formula:
point estimate ± 1.96 * standard error
where standard error = square root of (point estimate * (1 - point estimate) / sample size)
standard error = square root of (0.259 * (1 - 0.259) / 1685) = 0.012
95% confidence interval = 0.259 ± 1.96 * 0.012
= 0.259 ± 0.023
= [0.236, 0.282]
So, the 95% confidence interval for the population proportion of all high school students who smoke is between 23.6% and 28.2%.
Step-by-step explanation:
i need help asap please i beg of you
Answer:
p = 150 - 65
Step-by-step explanation:
We know
p is the amount he has left to raise
The target is $150
He has $65
So, the equation is
p = 150 - 65
Point A is at (-4, 8) and point B is at (6, 7).
What is the midpoint of line segment AB?
Answer:(1,7.5)
Step-by-step explanation:
Use Midpoint Formula
50 points to whoever can answer this question w/ explanation.
Answer:
2/ c, e
Step-by-step explanation:
A graph can only be a function if one x only has one y.
If you use the line test, you see that only graphs C and E pass the test.
So, the answers are C and E.
Find the midpoint of A and B
where A has coordinates (2, 7)
and B has coordinates (6, 3).
Answer:
(4, 5)
Step-by-step explanation:
Add the two x values and divide by two, add the two y values and divide by two. Then put them in brackets and those are your coordinates.
d=1/8t
t = time
d = distance
If d = 1/8t and t is a time and d is a distance then in this expression 1/8 is representing speed of the object.
What is the relation between time, distance & speed ?The distance covered by the object is equal to the product of the speed at which the object is moving and time taken for covering the distance.
Distance = Time × Speed
Given that,
The expression,
d = 1/8t
where,
t = time
d = distance
which parameter 1/8 is indicating ?
The equation d = 1/8t describes a function that relates time (t) and distance (d) traveled.
The parameter 1/8 in the expression d = 1/8t is the rate of change of distance with respect to time.
It represents the amount of distance traveled in one unit of time.
In this case, 1/8 is the speed or velocity of the object being considered. It tells us that for every unit of time that passes, the distance traveled by the object increases by 1/8 units.
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imagine you have a dataset at the individual level that reports how much tv an individual watches per week. you want to combine this with a dataset (also at the individual level) that reports how much each individual sleeps per week. what command in stata would be the most useful
The command in Stata would be the most useful is reg when you want to combine this with a dataset that reports how much each individual sleeps per week.
A collection of data is known as a data set (or dataset). In the case of tabular data, a data set relates to one or more database tables, where each row refers to a specific record in the corresponding data set and each column to a specific variable. The data set includes values for each of the variables, such as the object's height and weight, for each set member. Data sets may also include a group of files or documents.
For data management, visualisation, statistics, and automated reporting, Stata is a general-purpose statistical software programme created by StataCorp. Researchers in a variety of disciplines, such as science, biomedicine, epidemiology, and sociology, use it.
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The reduction of the fraction is (y-3)/4.
How to interpret the fraction?Suppose the fraction is proper (the numerator is smaller than the denominator).
Let it be [tex]\dfrac{a}{b}[/tex]
Then, we can interpret it as:
[tex]\dfrac{a}{b}[/tex]= a parts out of b parts of a thing.
There is a fraction, containing numerator(upper value) and denominator(lower value).
When the numerator is less than the denominator, the fraction is called proper fraction, otherwise it is called improper fraction.
A proper fraction is also called fraction which is less than 1.
And an improper fraction is ≥ 1
A mixed fraction contains a sum of whole number and a proper fraction.
Given;
=y^2-9/4y+12
=y^2-3^2/4(y+3)
=(y+3)(y-3)/4(y+3)
=y-3/4
Therefor, the answer of fraction will be (y-3)/4
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If you flip a coin 12 times, what is the best prediction possible for the number of times it will land on heads?
The best prediction that the coin would land on heads wold be 6
If you flip a coin 12 times, what is the best prediction possible for the number of times it will land on heads?If you flip a fair coin 12 times, the best prediction for the number of times it will land on heads is 6. This is because each flip has an equal chance of landing on heads or tails, and if you flip a fair coin 12 times, the expected number of heads is 6. This is because each flip has a 50% chance of landing on heads.
In the coin, there are going to be 6 changes foe head and also 6 chains for tails. This is a 50 50 chance
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We know
5 x 4 = 20
So, which of the following statements are also true?
(Choice A, )
5 is a factor of 20
(Choice B)
5 is a multiple of 20
(Choice C)
20 is a multiple of 4
Options A and C are correct for the condition 5 x 4 = 20.
What Is a Factor?A factor is a number that completely divides another number. To put it another way, if adding two whole numbers results in a product, then the numbers we are adding are factors of the product because the product is divisible by them.
Factors can be found using either division or multiplication. Rules of divisibility can also be applied.
Given 5 x 4 = 20
factors of 20 are 2*2*5
so 5 is the factor of 20,
A is correct.
now multiples of 20 are 20, 40, 60.......
since all values are greater than 5,
so 5 is not a multiple of 20.
B is not correct.
now multiples of 4 are 4, 8, 12, 16, 20, 24 .......
so 20 is a multiple of 4,
C is correct.
Hence A and C are correct statements.
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can you do it by telling
Answer:
Step-byoooooooooooo
-step explanation:
Hasan plans to choose a book from a section of the store where everything is 25% off. He writes the expression d−0.25d to find the sale price of the book if the original price is d dollars.
Bella correctly writes another expression, 0.75d, that will also find the sale price of the book if the original price is d dollars.
Drag each description to explain each part of both expressions.
Dragging each description to explain each part of Hasan's and Bella's expressions is as follows:
Hassan's Expression of d - 0.25d:d = Original price of book
0.25 = Percent Discount
0.25d = Amount of Discount
d - 0.25d = Sale price of book
Bella's Expression of 0.75d:0.75 = Percent of original price Bella will pay
d = original price
0.75d = Sale price of book
What is an algebraic expression?An algebraic expression is a combination of variables, constants, numbers, and values using the mathematical operands, including addition (+), subtraction (-), division (÷), and multiplication (×).
An algebraic expression does not have the equal symbol (=) unlike an equation.
Thus, the correct descriptions has been dragged to each part of both Hasan's and Bella's expressions.
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PLSSS HELP IF YOUR TURLY KNOW THISSS
Answer:
The value of x =10
Step-by-step explanation:
2x+ 5 = 25
Subtract 5 from each side.
2x+5-5 = 25-5
2x = 20
Divide each side by 2.
2x/2 = 20/2
x =10
The value of x =10.
Answer:
10
Step-by-step explanation:
Move the 5 to the right so the equation is 2x = 25 - 5
Then its 2x = 20 and 20/2 is 10.
Write an equation that passes through the points (1,8) and (3,4)
Answer:
[tex]y = -2x + 10[/tex]
Step-by-step explanation:
The slope-intercept form of equation of line:
y = mx + c
where:
m = slope
c = y-intercept
Slope, m: [tex]\frac{y_{2} - y_{1}}{x_{2} -x_{1}}[/tex]
= [tex]\frac{4 - 8}{3 - 1}[/tex]
= [tex]-\frac{4}{2}[/tex]
= [tex]-2[/tex]
[tex]y = -2x +c[/tex]
Substitute the coordinates of either of the two points in this equation to calculate the value of c:
8 = [tex]-2[/tex](1) + c
8 = [tex]-2[/tex] + c
c = 8 + 2
c = 10
Therefore, the equation is:
[tex]y = -2x +10[/tex]
PLS HELP I NEED THIS ASAP
Answer:
(-3, 9)
2
Step-by-step explanation:
what is the reflection of the point (-8,7) across the x and y axis?
Step-by-step explanation:
We have the point (-8, 7)
When we reflect across the X-AXIS, then the Y coordinate changes signs
When we reflect across the Y-AXIS, then the X coordinate changes signs
So when we reflect (-8, 7) across the x-axis, it becomes (-8, -7) since we change signs for the Y coordinate from +7 to -7
Reflecting across the Y, it becomes (8, 7), because we change signs from -8 to +8
if sammy has 900 fish and 200 dies and then he gets 500 × 8090 and gets divided by 2 how many fish dose sammy have
On solving the provided question, we can say that Sammy has 900 fish and 200 dies and equation will be => x - y = 700
What is equation?A mathematical equation is a formula that joins two statements and uses the equal symbol (=) to indicate equality. A mathematical statement that establishes the equality of two mathematical expressions is known as an equation in algebra. For instance, in the equation 3x + 5 = 14, the equal sign places the variables 3x + 5 and 14 apart. The relationship between the two sentences on either side of a letter is described by a mathematical formula. Often, there is only one variable, which also serves as the symbol. for instance, 2x – 4 = 2.
Sammy has 900 fish and 200 dies
equation will be
x - y = 700
x = alive fishes
y = died fishes
remaining fishes are 700
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Solve the system of linear equations by substitution.
y=4x
x+y=-10
We may determine that the values of x and y are -2 and -8, respectively, by replacing the linear equations.
What are linear equations?
A linear equation is a first-order (linear) term and a constant in an algebraic equation of the type y=mx+b, where m is the slope and b is the y-intercept.
The previous equation, which has the variables y and x, is sometimes referred to as a "linear equation with two variables."
The typical form for linear equations with two variables is Ax+By=C.
For instance, the linear equation 2x+3y=5 is in standard form.
Finding both intercepts of an equation in this style is quite easy (x and y).
The following is the equation:
y=4x ...(1)
x+y=-10 ...(2)
Now change equation (2) to y = 4x:
x+y=-10
x+4x=-10
5x = -10
x = -10/5
x = -2
Then, change equation (1) to read x = -2:
y = 4x
y = 4(-2)
y = -8
Therefore, we may determine that the values of x and y are -2 and -8, respectively, by replacing the linear equations.
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Pls help. Look at photo
Note that the line of Best fit is attached accordingly. See the definition below.
What is a Line of Best Fit and why is it important?A line of best fit is a straight line that represents the trend of a set of data.
It is used to summarize and analyze the relationship between two variables in a scatter plot. Note that the line of best fit can be used to approximate the trend or pattern of the data and make predictions for new observations that fall within the range of the data.
The line is drawn in a way that minimizes the distance between the observed data points and the line.
The line of best fit can be used to make predictions and identify outliers. It is important because it helps to reveal patterns and trends in data and allows us to make informed decisions based on the information.
Note that the line takes a position that gives an approximately equal amount of variables or data points on either side.
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Jeremiah spins a spinner with 5 equal-sized section twice,
rolls a six-sided dice, and flips a coin. How many possible
outcomes there can be?
The total number of possible outcomes is the product of the number of outcomes for each event.
The spinner can land on any of its 5 sections on the first spin, and on any of the 5 sections again on the second spin. So there are 5 x 5 = 25 possible outcomes for the spinner.
The dice can land on any of its 6 sides.
The coin can land either heads or tails.
Therefore, the total number of possible outcomes is:
25 (spinner) x 6 (dice) x 2 (coin) = 300 possible outcomes.
eleven bands are to perform at a weekend festival. how many different ways are there to schedule their appearances?
It depends on the length of the festival, the length of each band's performance, and other factors. There could be any number of ways to schedule their appearances.
The number of ways to schedule the bands' appearances at the weekend festival depends on a variety of factors such as the length of the festival, the length of each individual band's performance, and the number and type of stages available.
For example, if the festival runs for two days and each band's performance is one hour, there could be a total of 22 hours of music, so eleven bands could each perform twice, once on each day.
Alternatively, if the festival has three stages and two of the stages are dedicated to different genres of music, then the bands could be scheduled to perform on those stages, with each stage hosting five bands each day.
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Tell me the explanation and the result of how to convert numbers into fractions Daisy is practicing trivia. She gets 12 out of 20 questions correct.
What percentage of the trivia questions do you get right? bone what is the percent of that
Answer:
60%
Step-by-step explanation:
12/20 = 0.6 multiply this by 100% = 60%
Enlarge triangle T by a scale factor 1/2, centre (2, 0).
Answer:
To enlarge a triangle by a scale factor of 1/2 with the center (2, 0), each vertex of the triangle should be multiplied by 1/2 and then shifted so that the center of the new triangle is (2, 0).
Step-by-step explanation:
For example, if the original triangle has vertices at (a, b), (c, d), and (e, f), the vertices of the new triangle would be at ((a-2)/2 + 2, (b-0)/2 + 0), ((c-2)/2 + 2, (d-0)/2 + 0), and ((e-2)/2 + 2, (f-0)/2 + 0).