The x² value having area 0.975 to its right for a curve with 18 degrees of freedom is approximately 29.141.
How to find the x² value having area 0.975 to its right?Using a chi-squared distribution table or a calculator, we can find the critical value of chi-squared for 18 degrees of freedom and an area of 0.975 to the right.
From a chi-squared distribution table, we can find the critical value to be 29.141. Alternatively, using a calculator, we can use the inverse chi-squared distribution function with 18 degrees of freedom and a probability of 0.975 to find the critical value:
import scipy.stats as stats
crit_value = stats.chi2.ppf(q=0.975, df=18)
print(crit_value)
This gives us a critical value of approximately 29.141.
Therefore, the x² value having area 0.975 to its right for a curve with 18 degrees of freedom is approximately 29.141.
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Please help solve the following its on "return on investment (ROI)" it dues today please!! thank you
$1.09 is Total return in investment .
What is investment?
Investments are assets that are bought or invested in to increase wealth and set aside cash from hard-earned income or gain. The main purpose of an investment is to provide an additional source of income or to generate a profit over a certain amount of time.
Any strategy for producing future revenue might be referred to as an investment. This involves, among other things, purchasing securities such as bonds, stocks, or real estate.
Total return in dollars = Profit / Initial investment
Highest = $67
Lowest = $32
no of shares price per share value
a b c = a * b
lowest price 1000 32 32000
highest price 1000 67 67000
profit = sale value - purchase value 35000
Total return in investment $1.09
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help please!!
Question: Determine if the graph above is proportional and select the response with the correct reasoning.
A:yes, because it increases
B:yes, because it starts at the origin (0,0)
C:no, because it is not a constant speed
D:no, because it does not start at the origin (0, 0)
Reflect point c over the y-axis: a) C’ (-3,2) b) C’ (3,2)
c) C’ (-2,3) d) C’ (2,-3)
Reflect point C over the y-axis: Among the given points, if the point C is (-3,2), then to reflect the point C over the y-axis, the x-coordinate of the point C will get changed and the y-coordinate will remain the same.
So, the reflected point will be C' (3,2).If the point C is (3,2), then to reflect the point C over the y-axis, the x-coordinate of the point C will get changed and the y-coordinate will remain the same.So, the reflected point will be C' (-3,2).If the point C is (-2,3), then to reflect the point C over the y-axis, the x-coordinate of the point C will get changed and the y-coordinate will remain the same.So, the reflected point will be C' (2,3).If the point C is (2,-3), then to reflect the point C over the y-axis, the x-coordinate of the point C will get changed and the y-coordinate will remain the same.
So, the reflected point will be C' (-2,-3).Thus, the point C’ (-3,2), C’ (2,3) and C’ (-2,-3) are the points that can be obtained on reflecting the given point C over the y-axis.
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The temperature changing every day by - 7/18 degrees FahrenheitWhat will be the change in the temperature after 3 days?
Can someone help me find the point of intersection for:
2500(1. 25)^t=6000(0. 3)^t
algebraically? thank you.
The point of intersection can be found by setting the equations equal, dividing by the same quantity, taking the natural log, and dividing by ln(1.25).
\(2500(1.25^t) = 6000(0.3^t)\)
\(2500*1.25^t = 6000*0.3^t\)
Divide both sides by 2500:
\(1.25^t = 0.3^t * (6000/2500)\)
Divide both sides by\(0.3^t\):
\(1.25^t / 0.3^t = (6000/2500) / 0.3^t\)
Take the natural log of both sides:
\(t*ln(1.25) = ln((6000/2500) / 0.3^t)\)
Divide both sides by ln(1.25):
\(t = ln((6000/2500) / 0.3^t) / ln(1.25)\)
The point of intersection is t = ln((6000/2500) / \(0.3^t\)) / ln(1.25).
The point of intersection of two exponential functions can be found algebraically by setting the two equations equal to each other and solving for the variable t. For example, if we want to find the point of intersection of \(2500(1.25^t) = 6000(0.3^t)\), we can start by setting the two equations equal to each other and dividing both sides by \(2500: 1.25^t = 0.3^t * (6000/2500)\). Then we can divide both sides by\(0.3^t: 1.25^t / 0.3^t = (6000/2500) / 0.3^t\). We then take the natural log of both sides: \(t*ln(1.25) = ln((6000/2500) / 0.3^t)\). Finally, we divide both sides by ln(1.25): \(t = ln((6000/2500) / 0.3^t) / ln(1.25)\). This means that the point of intersection is\(t = ln((6000/2500) / 0.3^t) / ln(1.25).\) In conclusion, the point of intersection of two exponential functions can be found algebraically by setting the two equations equal to each other, dividing both sides by the same quantity, taking the natural log of both sides, and then dividing both sides by ln(1.25).
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Ok is 3 plus 3 is 6 doesnt that mean 6 plus 6 is 12 ?
Answer:
yes
Step-by-step explanation:
3+3=6
6+6=12
so yes, that statement is correct
Answer: yes this statement is completely correct.
Step-by-step explanation:
ommon resources tend to be overused because: Group of answer choices the marginal cost of allowing one more unit of consumption is zero. the individual marginal cost is greater than the marginal social cost. individuals tend to ignore the cost their use of the resource has on others. common resources are nonrival and nonexcludable.
A individuals tend to ignore the cost their use of the resource has on others, to the overuse of common resources.
1)The individual marginal cost is greater than the marginal social cost: This situation would lead to underuse or suboptimal allocation of resources, rather than overuse.
2)Individuals tend to ignore the cost their use of the resource has on others.
Common resources, also known as common-pool resources, are typically characterized by being nonexcludable and rivalrous . Due to these characteristics, common resources are prone to overuse or depletion.
One of the key reasons common resources are overused is that individuals tend to ignore the cost their use of the resource has on others. Since the marginal cost of consuming one more unit of the resource is often low or perceived as zero, individuals may prioritize their immediate benefits without considering the long-term consequences for the resource or other people who depend on it.
3)The other options listed in the question are not directly related to the overuse of common resources:
The marginal cost of allowing one more unit of consumption is zero.While this may contribute to the overuse of common resources, it is not the primary reason. The zero marginal cost implies that individuals can consume additional units without incurring extra costs, but it does not address the issue of ignoring the cost on others.
4)Common resources are nonrival and nonexcludable:
These characteristics define common resources but do not directly explain they are overused. The overuse arises from the behaviour of individuals and their disregard for the costs imposed on others.
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a carpenter has 18 square feet or wood to construct the top of a picnic table fpr a local park, the local park officials would like the lenght to be 3 feet more than the width. what would the dimensions need to be for the picnic table
The dimensions need to be picnic table is 3 ft x 6 ft.
What is quadratic equation?
An algebraic equation of the second degree in x is a quadratic equation.
The quadratic equation is written as ax2 + bx + c = 0, where x is the variable, a and b are the coefficients, and c is the constant term. The coefficient of x2 must be a non-zero term in order for an equation to meet the definition of a quadratic equation. Quadratic equations include the second and no higher power of an unknown number or variable.
18 square feet limits the area and amount of working material, and we have a rectangular table with
Width = w
Length = w + 3
Length x Width = Area
(w +3)w = 18
w2 + 3w = 18
w2 + 3w - 18 = 0
factoring
(w + 6) (w - 3)
w cannot be -6
w = 3 ft
L = w + 3 = 3 +3 = 6 ft
So we have a Width of 3 ft and a Length of 6 ft
3 ft x 6 ft = 18 ft²
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In which number is the value of the red digit ten times as great as the value of the green digit envision math
Let's consider a two-digit number where the value of the red digit is ten times greater than the value of the green digit. We can represent this number as "10r + g," where r represents the value of the red digit and g represents the value of the green digit.
To find the specific number that satisfies this condition, we need to find a pair of digits that meets the given criteria. Since the value of the red digit is ten times greater than the green digit, we have the equation r = 10g By substituting this equation into our representation of the number, we get the number as 10(10g) + g, which simplifies to 100g + g. Therefore, the number can be written as 101g. From this, we can conclude that any two-digit number where the red digit is ten times greater than the green digit can be represented as 101g, where g can be any digit from 0 to 9.
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5. In a dilation what mathematical operation is used with th scale factor?
A. Subtraction
B. Addition
C. Division
D. multiplication
−(14w+8)+8=3 Solve for w
More algebra, giving 15 points for this one.
Answer:
B
Step-by-step explanation:
11x - 6x + 20
combine like terms:
5x + 20
Determine whether quadrilateral ABCD with vertices A(–4, –5), B(–3, 0), C(0, 2), and D(5, 1) is a trapezoid.
Step 1: Find the slope of AB. The slope of AB is
.
Step 2: Find the slope of DC. The slope of DC is
.
Step 3: Find the slope of BC. The slope of BC is
.
Step 4: Find the slope of AD. The slope AD is
.
The quadrilateral is a trapezoid because
.
Answer:
5-1/52/32/3Only one pair of opposite sides are parallelDescribe the process for calculating the volume of a cylinder.
Answer:
the formulae for the volume of a cylinder= πr²h
so we then put the figures at their respective positions. and for the pie we put either 22/7 or 3.143 or 3.14
what is 40.545 in word form?
Answer:
forty and five hundred forty-five thousandths
Step-by-step explanation:
Answer:
Forty and five hundred forty five thousadnTHS.
Step-by-step explanation:
I hope this helps! (Remember THS. Not ThousANDS.) :)
farmer ed has 9000 meters of fencing, and wants to enclose a rectangular plot that borders on a river. if farmer ed does not fence the side along the river, find the length and width of the plot that will maximize the area. what is the largest area that can be enclosed?
The length and width of the plot that will maximize the area is 60 meters by 120 meters. The largest area that can be enclosed is 7200 square meters.
To maximize the area of the rectangular plot, Farmer Ed must use 9000 meters of fencing to enclose three sides of the plot. The fourth side, which borders the river, does not need to be fenced. To find the length and width of the plot that will maximize the area, the 9000 meters of fencing must be divided into two sides of equal length, with the remaining fencing used for the third side. This results in a length of 120 meters and a width of 60 meters, which maximizes the area of the plot. The largest area that can be enclosed is 7200 square meters.
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On a strange railway line, there is just one infinitely long track, so overtaking is impossible. Any time a train catches up to the one in front of it, they link up to form a single train moving at the speed of the slower train. At first, there are three equally spaced trains, each moving at a different speed.
In the given scenario, where there is one infinitely long track and overtaking is impossible, the initial situation consists of three equally spaced trains, each moving at a different speed. The trains have the capability to link up when one catches up to the other, resulting in a single train moving at the speed of the slower train.
As the trains move, they will eventually reach a configuration where the fastest train catches up to the middle train. At this point, the fastest train will link up with the middle train, forming a single train moving at the speed of the middle train. The remaining train, which was initially the slowest, continues to move independently at its original speed. Over time, the process continues as the new single train formed by the fastest and middle trains catches up to the remaining train. Once again, they link up, forming a single train moving at the speed of the remaining train. This process repeats until all the trains eventually merge into a single train moving at the speed of the initially slowest train. In summary, on this strange railway line, where trains can only link up and cannot overtake, the initial configuration of three equally spaced trains results in a sequence of mergers where the trains progressively combine to form a single train moving at the speed of the initially slowest train.
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What is the recursive rule for the endangered turtles?
Answer:
they have to be protected, people have to work harder to protect them, and their habitats. The image below might help. (I hope this helps sorry if not!)
The recursive rule for the endangered turtle is to create critical habitats that would ensure their survival.
What does it mean for the turtles to be endangered?This means that based on the threatening activities of humans in their habitats, they are about to become extinct.
To prevent this from happening, the Endangered Species Act (ESA) has created habitats that are vital to the conservation of the animal.
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Select all the correct answers.
If the measure of angle is 0 is 7pi/4, which statements are true?
The measure of the reference angle is 45°.
The measure of the reference angle is 30°.
tan(0) = -1
The measure of the reference angle is 60°.
cos(0) = -√2/2
sin(0) = -√2/2
The statement(s) that are true is that the measure of the reference angle is 45°.
What is the conversion of radians to degrees?The conversion of an angle in radian to a degree can be determined by the multiplication of the given angle in radian by 180/π.
From the given information:
\(\mathbf{\theta = \dfrac{7 \pi}{4}}\)
To degrees, we have:
\(\mathbf{\theta = \dfrac{7 \pi}{4} \times \dfrac{180}{\pi}}\)
\(\mathbf{\theta =315^0}\)
A reference angle is an angle that measures the remaining distance (called the terminal distance) to the x-axis.
315° is in the 4th quadrant, i.e.
= 360° - 315°
= 45°
Therefore, the statement(s) that is true is:
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Answer:
sin(0)=-√2/2
tan(0) = -1
The measure of the reference angle is 45°
Step-by-step explanation:
I took the test
A wheatfarmer is converting to com because he believes that com is a more lucrative crop. It is not feasible for him to convert all his creace to com at onceHe is farming 100 acres of com in the current year and is increasing that number by 30 acres per year. As he becomes more experienced in growing com his output increas. He currently harvests 130 buhof com per acre. But the yield be increasing by buhol per acre per year. When both the increasing berage and the increasing yield are considered, how rapidly Withe total number of but of corn currently increasing bushes per year
The rate at which the total number of bushels of corn currently increases per year depends on the value of "b", which represents the annual increase in yield per acre. If the yield per acre is not increasing (i.e., b = 0), then the rate of increase is a constant 1300 bushels per year.
Let's call the total number of acres the farmer is farming in corn in a given year as "a". We know that initially, a = 100 acres, and that it increases by 30 acres per year. So, in general:
a = 100 + 30t
where "t" is the number of years since the farmer started converting to corn.
Now, let's call the yield in bushels per acre in a given year as "y". We know that initially, y = 130 bushels per acre, and that it increases by "b" bushels per acre per year. So, in general:
y = 130 + bt
Finally, we can calculate the total number of bushels of corn produced in a given year by multiplying the number of acres by the yield per acre:
bushels per year = a * y
Substituting the expressions we have for "a" and "y", we get:
bushels per year = (100 + 30t) * (130 + bt)
Expanding this expression, we get:
bushels per year = 13000 + 1300t + 3900bt + 30tb
Now we can differentiate this expression with respect to time to find how rapidly the total number of bushels of corn currently increases per year:
d(bushels per year)/dt = 1300 + 3900b + 30b
Simplifying, we get:
d(bushels per year)/dt = 1300 + 3930b
So the rate at which the total number of bushels of corn currently increases per year depends on the value of "b", which represents the annual increase in yield per acre. If the yield per acre is not increasing (i.e., b = 0), then the rate of increase is a constant 1300 bushels per year. If the yield per acre is increasing, then the rate of increase will be greater than 1300 bushels per year, and the rate of increase will depend on the value of "b".
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I need helpppp plsssss
9514 1404 393
Answer:
33, 27285Step-by-step explanation:
The price difference is found by subtracting Emma's price from DeShawn's price. Each price is the product of the number of square feet and the price per square foot.
The number of square feet is already given in the answer form, so you only need to fill in the per square foot prices. Those are found in the table. Both the window name and the window area give clues as to which is the right price to choose.
The expression is (4² × 33) - (3² × 27).
__
For the second fill-in, you need to actually do this arithmetic. For many calculators, you can enter this expression directly.
DeShawn paid $285 more for his window than Emma.
At the p.e. class, pupils help each other measure heights. the average height of jeremy and justin is 147 cm. jeremy is 24 cm taller than justin. what is the height of jeremy?
The height of Jeremy is 159 cm.
What is average?In layman's terms, an average is a single number chosen to represent a set of numbers, typically the sum of the numbers divided by the number of numbers in the set (the arithmetic mean). The average of the numbers 2, 3, 4, 7, and 9 (summed to 25) is 5, for example. An average could be another statistic, such as the median or mode, depending on the context.To find the height of Jeremy:
The formula of average = sum of terms/number of termsLet, Justin, be x and Jeremy be x + 24So,
147 = x + (x+24) / 22x + 24 = 147 × 22x + 24 = 2942x = 294 - 242x = 270x = 135Then, Jeremy = 135 + 24 = 159 cm.
Therefore, the height of Jeremy is 159 cm.
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Yvonne is solving the quadratic equation 6x2 24x 7 = 0 by completing the square. Her first four steps are shown in the table. A table listing the first few steps in deriving the quadratic formula In which step did Yvonne first make an error? Step 1 Step 2 Step 3 Step 4.
The step in which Yvonne fist make an error while solving the quadratic equation by completing the square, is step 1.
What is a quadratic equation?A quadratic equation is the equation in which the highest power of the variable is two.
Yvonne is solving the quadratic equation, which is,
\(6x^2+ 24x+ 7 = 0\)
He is solving the above equation by completing the square.
First steps to solve this quadratic equation by completing the square is,
Take the constant value 7 at the opposite side of the equation as,
\(6x^2+ 24x= -7\)
Here, the number seven was a positive number, which we have changed to negative because this number bring the other side of the equation.
In the image attached below, the first step of the Yvonne while solving the equation by completing the square is,
\(6x^2+ 24x= 7\)
Here, Yvonne does not change the sign of the number 7 while taking it other side of the equation.
Hence, the step in which Yvonne fist make an error while solving the quadratic equation by completing the square, is step 1.
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Answer: step 1
Step-by-step explanation: took the test
C.
Minh and Mikayla are selling wrapping paper for a school fund-raiser. Customers can
buy either packages of folded paper or rolls of paper. Minh sold 6 rolls of paper and 2
packages of folded paper for a total of $44. Mikayla sold 3 rolls of paper and 9 packages
of folded paper for a total of $54. How much does each roll cost? How much does each
package of folded paper cost?
Answer:
Rolls $6, Folded $4
Step-by-step explanation:
Minh: 6r + 2f = 44
Mikayla: 3r + 9f = 54
Multiply Mikayla's x 2: 6r + 18f = 108
Subtract Minh: 6r + 2f = 44
16f = 64
f = 4, Folded paper is $4.
Substitute 4 for f into one of the equations.
6r + 2(4) = 44
6r + 8 = 44
6r = 36
r = 6 Rolled paper is $6
3/2 (x-5) - 3/2 = 9/2 x solve and verify
Answer:
x = -2
Step-by-step explanation:
3/2 (x-5) - 3/2 = 9x/2
3x/2 - 15/2 - 3/2 = 9x/2 ... alldenominator
are 2 so we can multiply all term by 2
2(3x/2 - 15/2 - 3/2 = 9x/2)
3x - 15 - 3 = 9x ... simplify it
3x - 12 = 9x
-12 = 9x - 3x ... take 3x to the left
-12 = 6x ... simplify
6x/6 = -12/6 ... dividing both side by 6
x = -2 ... simplify and solve x
Please help I'm so confused
You and a classmate have a bug collection for science class. You find 5 out of every 9 in the collection. You find 4 more bugs than your classmate. How many bugs are in the collection?
Plz help me I will give brainliest if 2 people answer
Answer:
200
Step-by-step explanation:
20 times 10
I hate this please make a easy question
Answer:
$13.50
Step-by-step explanation:
Hardcover Books = $18.25 each
Softcover Books = $5 each
She bought 2 hardcover and 2 softcover.
Hardcover: $18.25 + $18.25 = $36.50
We already know what 2 softcover books cost ($10)
No add those both together.
$36.50 + $10.00 = $46.50
She gives the clerk $60
$20 + $20 = 40
$20 + $20 = 40
$20 - $6.50 = $13.50
------------------------------------------------
Hope this Helps!:)
You are shopping for your holiday feast. The price for
a turkey at Walmart is $12.62 for 10.7 pounds. The
cost for a turkey at Kroger is 8.45 for 8.5 pounds.
Which store has the best unit price for Turkey?
Answer:
Price of 1 pound Turkey at Walmart = $1.18 and Price of 1 pound Turkey at Kroger = $0.99
So, Kroger has the best unit price for Turkey.
Step-by-step explanation:
Price of 10.7 pound Turkey at Walmart = $12.62
Price of 8.5 pound Turkey at Kroger = $8.45
We need to find store that provides best unit price for Turkey.
We need to find price of 1 pound of Turkey for each store
Price of 1 pound of Turkey at Walmart:
Price of 10.7 pound Turkey at Walmart = $12.62
Price of 1 pound Turkey at Walmart = $12.62/10.7
Price of 1 pound Turkey at Walmart = $1.18
Price of 1 pound of Turkey at Kroger
Price of 8.5 pound Turkey at Kroger = $8.45
Price of 1 pound Turkey at Kroger = $8.45/8.5
Price of 1 pound Turkey at Kroger = $0.99
So, Price of 1 pound Turkey at Walmart = $1.18 and Price of 1 pound Turkey at Kroger = $0.99
So, Kroger has the best unit price for Turkey.
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Answer:
Step-by-step explanation:d
Answer:
me when i did your mom
Step-by-step explanation:
SENDDD HELPPP PLZZZ ASAP
Answer:
the answer is C
Step-by-step explanation:
hope this helps