Graph y=-x-2
please include work! thank you.
Answers
Answer:
See the screenshot below!
Step-by-step explanation:
We have a basic y=mx+b (slope intercept, where m is the slope (rise over run, the change in y over the change in x between points) and b is the y-intercept (the point where the graph crosses the y-axis)) equation. The slope, m, is equal to -1. When the slope is 1, the 1 is unwritten and implied. The negative symbol but no other coefficient means that the slope is negative one. The y-intercept, or b, is negative 2, so the graph crosses the y-axis at -2. If we were to make a table of values, we would plug the given x-value into our equation. So, for example, if we wanted to see what y is at x=-3, we would substitute it it: y=-(-3)-2. In this case y=1.
Related Questions
Im training my robot to eat cupcakes. Every 14 days it eats 5 cupcakes and I'd like to buy enough for the next 42 days. How many do I buy?
Answers
2940
hope this helps
Mark as brainllest
This is an example of an Undamped Forced Oscillation where the phenomenon of Beats Occurs.
Find the solution of the initial value problem:
x ′′ +33.64x=4cos(6t), x(0)=x ′ (0)=0
x(t)=
Answers
The solution of the given initial value problem, x'' + 33.64x = 4cos(6t), with x(0) = x'(0) = 0, can be expressed as a sum of the homogeneous solution and the particular solution.
To find the solution, we start by solving the homogeneous equation, x'' + 33.64x = 0. The characteristic equation associated with this homogeneous equation is \(r^2 + 33.64 = 0\), which yields the roots
r = ±i√33.64. Thus, the homogeneous solution can be expressed as
x_h(t) = A*cos(√33.64*t) + B*sin(√33.64*t),
where A and B are constants determined by the initial conditions.
Next, we need to find the particular solution for the forced oscillation. Since the right-hand side of the equation is of the form Acos(ωt), where ω = 6, we assume a particular solution of the form x_p(t) = C*cos(ω*t + φ), where C and φ are constants to be determined. Taking the derivatives, we have x_p''(t) = -ω^2*C*cos(ω*t + φ) and x_p'(t) = -ω*C*sin(ω*t + φ). Substituting these into the original equation, we obtain -ω^2*C*cos(ω*t + φ) + 33.64*C*cos(ω*t + φ) = 4*cos(ω*t).
To satisfy this equation, the coefficient of the cosine term must be 4, while the coefficient of the sine term must be zero. This gives us two equations: -ω^2*C + 33.64*C = 4 and -ω*C = 0. Solving these equations, we find C = 4/(33.64 - ω^2) and φ = 0. Therefore, the particular solution is x_p(t) = (4/(33.64 - ω^2))*cos(ω*t).
Finally, we combine the homogeneous solution and the particular solution to obtain the complete solution:
x(t) = x_h(t) + x_p(t) = A*cos(√33.64*t) + B*sin(√33.64*t) + (4/(33.64 - ω^2))*cos(ω*t).
By substituting the initial conditions x(0) = x'(0) = 0 into this equation, we can determine the values of A and B. With the obtained values, the final solution for the initial value problem can be expressed in terms of the given constants and the trigonometric functions involved.
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Given the following segment lengths find a length of the segment
Answers
The length of the line segment AB is 11/2 mm.
What is a triangle?A triangle is a three-sided closed-plane figure formed by joining three noncolinear points.
Based on the side property triangles are of three types they are Equilateral triangle, Scalene triangle, and Isosceles triangle.
We know a line segment parallel to one side of a triangle divides the other two sides in the same ratio.
Therefore, AC/AB = EC/ED.
22/AB = 44/11.
2/AB = 4/11.
4AB = 22.
AB = 11/2.
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vIf the slope of a line is 32, how much vertical change will be present for a horizontal change of 96ft?
Answers
A horizontal change of 96ft, there will be a vertical change of 3072ft.
The slope of a line is the ratio of the vertical change to the horizontal change between two points on the line. In other words, the slope is the rise over the run.
If the slope of a line is 32, that means that for every 1 unit of horizontal change, there is a 32 unit vertical change.
So, if the horizontal change is 96ft, we can use the slope formula to find the vertical change:
Vertical change = slope × horizontal change
Vertical change = 32 × 96
Vertical change = 3072
Therefore, for a horizontal change of 96ft, there will be a vertical change of 3072ft.
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A sales manager collected the following data on y annual sales and x years of experience. The estimated regression equation for these data is y = 80 + 4z. Click on the datafile logo to reference the data_ DATA file Years Of Experience Annual Sales (S1OOOs) 80 Salesperson 97 92 102 103 111 10 119 10 123 11 117 10 13 136 a. Compute SST, SSR, and SSE_ SSE SST SSR Compute the coefficient of determination 72 % Comment on the goodness of fit. Select your answer What is the value of the sample correlation coefficient (to 2 decimals)?
Answers
The given problem involves finding the values of SST, SSR, and SSE, as well as the coefficient of determination and the sample correlation coefficient. In this case, SST = 1936, SSR = 1504, SSE = 432, The coefficient of determination= 0.776, sample correlation coefficient= 0.88
The sum of squares total (SST) represents the total variability in the response variable, y. This is calculated as the sum of the squared differences between each y value and the mean of all y values. In this case, SST = 1936.
The sum of squares regression (SSR) represents the variability in y that is explained by the regression equation. This is calculated as the sum of the squared differences between the predicted y values from the regression equation and the mean of all y values. In this case, SSR = 1504.
The sum of squares error (SSE) represents the unexplained variability in y. This is calculated as the sum of the squared differences between each observed y value and the predicted y value from the regression equation. In this case, SSE = 432.
The coefficient of determination, denoted as R-squared, measures the proportion of the total variability in y that is explained by the regression equation. In this case, R-squared = SSR/SST = 1504/1936 = 0.776. This means that the regression equation explains 77.6% of the variability in y.
The sample correlation coefficient (r) measures the strength and direction of the linear relationship between x and y. It is calculated as the square root of R-squared. In this case, r = sqrt(R-squared) = sqrt(0.776) = 0.88 (to 2 decimal places).
In conclusion, the regression equation has a relatively good fit with the data as indicated by the high R-squared value of 0.776.
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Let’s dance portfolio answers? precal
Answers
A dance portfolio for precaliberence in dance should feature a comprehensive resume, videos of performances, photographs, and any relevant awards or certifications. This combination of elements provides a well-rounded representation of a dancer's skills, accomplishments, and potential.
A dance portfolio is a collection of works that showcases an individual's skills, creativity, and versatility in the field of dance. It is a comprehensive representation of their training, experiences, and accomplishments. As a dancer, my portfolio would include various elements that highlight my precaliberence in dance.
Firstly, I would include a detailed resume outlining my dance education, including the styles I have studied, the instructors I have trained under, and any notable performances or competitions I have participated in. This provides a snapshot of my training and experience.
Next, I would include a compilation of videos showcasing my dance performances. These videos would demonstrate my technical proficiency, artistry, and ability to interpret different styles of dance. They may include solo performances, duets, or group routines, allowing the viewer to witness my versatility and adaptability as a dancer.
Additionally, I would include high-quality photographs capturing dynamic moments from my performances. These images would convey the emotions and expressions that I bring to my dance, as well as demonstrate my stage presence and physicality.
Lastly, I would incorporate any awards, scholarships, or certifications I have received throughout my dance journey. These achievements serve as evidence of my dedication, commitment, and recognition within the dance community.
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What is the following simplified product? Assume x greater-than-or-equal-to 0 2 StartRoot 8 x cubed EndRoot (3 StartRoot 10 x Superscript 4 Baseline EndRoot minus x StartRoot 5 x squared EndRoot) 24 x cubed StartRoot 5 x EndRoot minus 4 x squared StartRoot 10 x EndRoot 24 x cubed StartRoot 5 x EndRoot minus 4 x cubed StartRoot 10 x EndRoot 24 x cubed StartRoot 5 EndRoot minus 4 x cubed StartRoot 10 x EndRoot 24 x cubed StartRoot 5 x EndRoot + 4 x cubed StartRoot 10 x EndRoot
Answers
Answer:
The answer to this should be D on ed2020
Step-by-step explanation:
There's another post for this question where Cheerchar13 had answered.
Answer:
the answer is d. edge 2021
Step-by-step explanation:
A manufacturer of compact fluorescent light bulbs advertises that the distribution of the lifespans of these light bulbs is nearly normal with a mean of 9,000 hours and a standard deviation of 1,000 hours.
(a) What is the probability that a randomly chosen light bulb lasts more than 10,500 hours?
(b) Describe the distribution of the mean lifespan of 15 light bulbs.
(c) What is the probability that the mean lifespan of 15 randomly chosen light bulbs is more than 10,500 hours?
(d) Sketch the two distributions (population and sampling) on the same scale.
(e) Could you estimate the probabilities from parts (a) and (c) if the lifespans of light bulbs had a skewed distribution?
Answers
A manufacturer of compact fluorescent light bulbs advertises have a standard deviation of 1,000 hours so the values are:
A normal distribution with,
μ = 9000
σ = 1000
a) The standardized score is the value x decreased by the mean and then divided by the standard deviation.
x = 105000 - 9000 / 1000 ≈ 1.50
Determine the corresponding probability using the normal probability table in appendix,
P(X>10500) = P(Z>1.50) = 1 - P(Z<1.50)
= 1 - 0.9332 = 0.0668.
b) n = 15
The sampling distribution of the mean weight is approximately normal, because the population distribution is approximately normal.
The sampling distribution of the sample mean has mean μ and standard deviation σ/√n
μ = 1000/√15 = 258.19
c) The sampling distribution of the sample mean has mean μ and standard deviation σ/√n
The z-value is the sample mean decreased by the population mean, divided by the standard deviation:
z = x-u/σ/√n = 10500-9000/1000√15 = 5.81
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what is the surface area of the tent?
Answers
Answer:
Area of 1 Right angle triangle= 1/2* 3*4= 6
Area of both triangle= 6*2= 12
Area of rectangle= 8*5= 40
Area of Both rectangles= 40*2= 80
Total surface area= (12*2)+ 80= 24+80= 104
Answer: I tell all my ones take it up
Step-by-step explanation:
The number of bacteria in a certain population increases according to a continuous exponential growth model, with a growth rate parameter of 1.1% per hour. How many hours does it take for the size of the sample to double?
Answers
Answer:
2.2 i thinkkk
Step-by-step explanation:
What alternative term can be used to describe asymmetric cryptographic algorithms?
a. user key cryptography
b. public key cryptography
c. private key cryptography
d. cipher-text cryptography
Answers
The alternative term that can be used to describe asymmetric cryptographic algorithms is "public key cryptography," option b.
Asymmetric cryptography is a cryptographic approach that utilizes a pair of distinct keys, namely a public key and a private key.
The public key is openly shared, allowing anyone to encrypt messages intended for the owner of the corresponding private key.
Conversely, the private key remains secret and is used for decrypting the encrypted messages.
Public key cryptography is named as such because the public key can be freely distributed among users, enabling secure communication without the need for a shared secret key.
So the correct option is B.
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*HELP ASAP*
The total length of two ships is 2341 feet. The difference in their lengths is 13 feet.
a. Find the length of each ship.
b. If a football field has a length of 100 yards, determine the length of the longer ship in terms of football fields.
Answers
2341/3= 780.333
100 yards per field
780.333/100
Answer: 7 football fields and 80 yards
7 8/10 football fields (improper fraction)
Answer:
The smaller ship is 1,164 ft
The larger ship is 1,177 ft
The larger ship is 3.923 football fields
Step-by-step explanation:
A. Find the length of each ship
x + x + 13 = 2,341 ft
2x + 13 = 2,341 ft
2x = 2,328 ft
x = 2,328/2
x = 1,164 ft ( This is the length of the smaller ship)
1,164 + 13 = 1,177 ft (length of the larger ship)
B)If a football field has a length of 100 yards, determine the length of the longer ship in terms of football fields.
1,177/3ft= 392.3 yards
392.3 yards /100 yards = 3.923 football fields
(PLEASE HELP)
Which value of x makes this equation true
-90=-100+x
Answers
Answer:
-0.9
Step-by-step explanation:
-0.9 × 100 = -90
answer : -90 = -100+x → x = 10
explanation : to solve for x, you are simplifying both sides of the equation, then isolating the variable.
step 1 : move the variable to the left-hand side and change its sign.
ex : -90-x = -100
step 2 : move the constant to the right-hand side and change its sign.
ex : -x = -100+90
step 3 : calculate the sum
ex : -x = -10
step 4 : change the signs on both sides of the equation
ex : x = 10
solution : x=10
hope this helps !
- audrey ♡
Pseudocode Sample 3 and Questions
// n is a non-negative integer
function f(n)
if n == 0 || n == 1
return 1;
else
return n*f(n-1);
Respond to the following:
1.What does the f function do? Please provide a detailed response.
2. In terms of n, how many computational steps are performed by the f function? Justify your response. Note: One computational step is considered one operation: one assignment, one comparison, et cetera. For example, the execution of 3*3 may be considered one computational step: one multiplication operation.
3.What is the Big-O (worst-case) time complexity of the f function in terms of n? Justify your response.
4. Define a recurrence relation an, which is the number of multiplications executed on the last line of the function f, "return n*f(n-1);", for any given input n. Hint: To get started, first determine a1, a2, a3 …. From this sequence, identify the recurrence relation and remember to note the initial conditions.
Answers
1. The f function is defined for non-negative integers "n".
2. recurrence relation T(n) = T(n-1) + n, where T(0) = T(1) equlas 1.
3. recurrence relation : a1 = 0 , a2 = 1, an = n-1 + an-1, for n >= 3
1. The f function is defined for non-negative integers "n". The function calculates the factorial of a number, which is the product of that number and all non-negative integers less than that number.
For example, the factorial of 5 is
5*4*3*2*1 = 120.
2. The number of computational steps performed by the f function in terms of n is "n" multiplications plus "n-1" subtractions plus "n-1" function calls.
The number of computational steps performed can be expressed by the recurrence relation
T(n) = T(n-1) + n,
where
T(0) = T(1)
= 1.
3. The Big-O (worst-case) time complexity of the f function in terms of n is O(n), which means that the function runs in linear time. This is because the number of multiplications performed is directly proportional to the input size "n".
4. Let an be the number of multiplications executed on the last line of the function f for any given input n.
We can define the recurrence relation for an as follows:
a1 = 0
a2 = 1
an = n-1 + an-1,
for n >= 3
Here, a1 and a2 represent the base cases, and an represents the number of multiplications executed on the last line of the function f for any given input n.
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Explain arithmetic operations with whole numbers, integers, fractions, and decimals.When solving equations, what is done to one side of the equation, must also be done to the other side. Why?
Answers
Adding two numbers combines their values
Subtracting one number from another finds the difference between the two values
Multiplying two numbers gives the product of their values
Dividing one number by another gives the quotient of their values
By performing the same operations on both sides, to maintain the balance and validity of the equation.
Arithmetic Operations with Whole Numbers, Integers, Fractions, and Decimals:
1. Addition: Adding two numbers combines their values. For example,
2 + 3 = 5.
This operation is commutative, meaning the order of numbers doesn't affect the result.
2. Subtraction: Subtracting one number from another finds the difference between the two values. For example,
5 - 3 = 2.
This operation is not commutative since changing the order of numbers will yield a different result.
3. Multiplication: Multiplying two numbers gives the product of their values.
For example, 2 * 3 = 6.
This operation is commutative.
4. Division: Dividing one number by another gives the quotient of their values. For example,
6 / 2 = 3.
Division is not commutative, and it's important to note that division by zero is undefined.
When solving equations, what is done to one side of the equation must also be done to the other side. This is because an equation represents a balance or equality between two expressions. The goal is to isolate the variable on one side of the equation and keep the equation balanced.
By performing the same operation on both sides of the equation, maintain equality. If only performed an operation on one side, the equation would become unbalanced, and the equality would be lost.
For example, let's solve the equation 2x + 5 = 11 for x:
1. Start with the equation:
2x + 5 = 11.
2. To isolate the term with x, subtract 5 from both sides:
2x + 5 - 5 = 11 - 5.
This simplifies to:
2x = 6.
3. Finally, divide both sides by 2 to solve for x:
(2x) / 2 = 6 / 2.
This gives the solution:
x = 3.
If only subtracted 5 from one side of the equation, the equality would be broken, and the solution would be incorrect. By performing the same operations on both sides, maintain the balance and validity of the equation.
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What are special angles in geometry?
Answers
Special angles in geometry are specific angle measures that have unique properties and are often encountered in geometric problems:
(1) Right angle (2) Acute angle (3) Obtuse angle (4)Straight angle (5)Reflex angle
(6) Complementary angles (7)Complementary angles
In geometry, special angles refer to specific angles that have special properties or characteristics. These angles include right angles, acute angles, and obtuse angles. A right angle is an angle that measures exactly 90 degrees, while an acute angle is an angle that measures less than 90 degrees. An obtuse angle, on the other hand, measures more than 90 degrees but less than 180 degrees. These angles are important in geometry as they form the foundation for many geometric shapes and concepts. Understanding the properties and characteristics of these special angles is crucial for solving geometry problems and constructing geometric figures accurately.
Special angles in geometry are specific angle measures that have unique properties and are often encountered in geometric problems. These angles include:
1. Right angle: A right angle is an angle that measures exactly 90 degrees. It is formed when two lines intersect perpendicularly.
2. Acute angle: An acute angle is an angle that measures between 0 and 90 degrees. It is smaller than a right angle.
3. Obtuse angle: An obtuse angle is an angle that measures between 90 and 180 degrees. It is larger than a right angle.
4. Straight angle: A straight angle is an angle that measures exactly 180 degrees. It is formed when two lines intersect in a straight line.
5. Reflex angle: A reflex angle is an angle that measures between 180 and 360 degrees. It is larger than a straight angle.
6. Complementary angles: Two angles are complementary if their sum is equal to 90 degrees.
7. Supplementary angles: Two angles are supplementary if their sum is equal to 180 degrees.
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Can somebody help me pleaseeee
Answers
Answer:
the answer is B OA
Step-by-step explanation
I know this because to identify a ray the starting point aka o is at the beginning of the answer
Identify the information given to you in the application problem below. Use that information to answer the questions that follow.
Round your answers to two decimal places as needed.
The equation
P=430n−11610 represents a computer manufacturer's profit P when n computers are sold.
Identify the slope, and complete the following sentence to explain the meaning of the slope.
Slope:
The company earns $ per computer sold.
Find the y-intercept. Write your answer as an Ordered Pair:
Complete the following sentence to explain the meaning of the y-intercept.
If the company sells ? computers, they will not make a profit. They will lose $?.
Find the x-intercept. Write your answer as an Ordered Pair:
Complete the following sentence to explain the meaning of the x-intercept.
If the company sells ? computers, they will break even. They will earn $?
Evaluate P when n=37. Write your answer as an Ordered Pair:
Complete the following sentence to explain the meaning of the Ordered Pair
If the company sells ? computers, they will earn $?.
Find the value of n where P=14190. Write your answer as an Ordered Pair:
Complete the following sentence to explain the meaning of the Ordered Pair.
The company will earn $? if they sell ? computers.
Answers
The x-axis and y-axis intersection points on a graph are referred to as intercepts. They can be useful in identifying important characteristics of a function or equation since they provide information about where a graph intersects these axes.
The slope can be found from the given equation in the form y = mx + c, where m is the slope. Therefore, in the given equation: P = 430n - 11610, the slope is 430. The company earns $430 per computer sold.
Find the y-intercept: The y-intercept can be found by setting the value of n to zero in the given equation. So, when
n = 0,
P = -11,610. Therefore, the y-intercept is (-0, 11,610). If the company sells 0 computers, they will not make a profit. They will lose $11,610.
Find the x-intercept: The x-intercept is found by setting P = 0 in the given equation.
0 = 430n - 11,610.
So, n = 27. So, the x-intercept is (27, 0). If the company sells 27 computers, it will break even. They will earn $0. Evaluate P when n = 37: Substitute
n = 37 in the given equation,
P = 430(37) - 11,610 = 4,770.
So, the ordered pair is (37, 4,770). If the company sells 37 computers, it will earn $4,770.Find the value of n where P = 14,190:Substitute P = 14,190 in the given equation, 14,190 = 430n - 11,610. Solve for
n: 25 = n. Therefore, the ordered pair is (25, 14,190). The company will earn $14,190 if they sell 25 computers.
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I need help …………………. Please
Answers
Slope of the given graph function is -3/2 while the y-intercept: (0, 1)
What is slope intercept?
Finding the equation of a straight line in the coordinate plane is done using the slope intercept form. The connection that any point's coordinates on the line must satisfy is the equation of a straight line. Any point that is not on the line will not have coordinates that satisfy. The answer to this equation is simple to determine.
To Find : equation of the line, in slope-intercept form
Solution:
Standard/ general form of equation of line in 2 variables is
Ax + By + C = 0
Slope intercept form is
y = mx + c
intercept form is
x/a + y/b = 1
Slope intercept form is
y = mx + c
m = Slope = -3/2
c = y intercept = 1
y = (-3/2)x + 1
equation of the line, in slope-intercept form is y = (-3/2)x + 1.
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A cube has a side length of 4 feet. What is the volume of the cube?
48 ft3
64 ft3
96 ft3
12 ft3
Answers
Answer:
64 square ft^3
Step-by-step explanation:
If the side lengh is 3 then you would have 4^3 which is 64.
Answer:
64
Step-by-step explanation:
The inverse of f (x)=x^2-3 is?
Answers
Answer:
\(f^{-1}\)(x)=\(\sqrt{x+3}\) , - \(\sqrt{x+3}\)
Step-by-step explanation:
If f(x) = -3x - 9, what is the value of f(6)?
Answers
Answer:
-27
Step-by-step explanation:
if f(6) you plug it into x
-3(6)-9
-18-9
-27
three point charges of -2.0 µc, 4.0 µc, and 6.0 µc are placed along the x axis as shown below. how much work is required to move a 10 nc charge from infinity to point p (x = 0, y = 0.2 m)?
Answers
the work required to move a 10 nC charge from infinity to point P is 4.80 x 10^-4 J.
To calculate the work required to move a charge from infinity to point P, we need to use the formula:
W = q * (ΔV)
where q is the charge being moved and ΔV is the change in electric potential energy.
To calculate the electric potential energy at point P, we need to first calculate the electric potential at point P due to each of the three charges. The electric potential at a point due to a point charge q is given by:
V = k * (q / r)
where k is Coulomb's constant, q is the charge, and r is the distance between the point charge and the point at which the potential is being calculated.
Using this formula, we can calculate the electric potential at point P due to each of the three charges:
V1 = k * (-2.0 µC) / (0.2 m) = -8.99 x 10^9 V
V2 = k * (4.0 µC) / (0.2 m) = 1.80 x 10^10 V
V3 = k * (6.0 µC) / (0.2 m) = 2.70 x 10^10 V
The total electric potential at point P is the sum of the individual potentials:
V = V1 + V2 + V3 = 4.80 x 10^10 V
The change in electric potential energy as the charge is moved from infinity to point P is:
ΔV = V - 0 = 4.80 x 10^10 V
Finally, we can calculate the work required to move the charge:
W = q * ΔV = (10 nC) * (4.80 x 10^10 V) = 4.80 x 10^-4 J
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Someone plz help me, if you answer this correctly you will get 20 points plz help.
Answers
i dont know am sorry will you gogive me
Answer:
For the sugar beet part, there are 12 farms that grow sugar beet only and for the in between or the middle of the venn diagram 40 farms grow both sugar beet and potatoes, and for the one on the bottom left its 100 farms since its the total.
Step-by-step explanation:
1. Subtract 48 with 60 to get the rest of number of farms that grow sugar beet only which is 12.
2. Once we complete the 60 farms that grow only sugar beet or potatoes we add the rest which is 40 from the 100 farms to the middle which are the farms that grow both, potatoes and sugar beet.
3. Finally we add the entire total of all farms and write it down on the bottom left.
Hope this helps!
Identify the range of the function y=-3x+6 when the domain is {-1,2,4}
A. {-6,0,9}
B. {-9}
C. {3,-12,-18}
D. {-3,12}
E. {-6,9}
Answers
Categorical data? must be numeric. cannot be numeric. may be either numeric or nonnumeric. must be nonnumeric.
Answers
Categorical data can be either numeric or nonnumeric.
What are Categorical Data?Categorical data can be described as a type of data that can be divided into group and given labels or numerical value for the sake of identification.
Some examples of numerical data are age group, race, sex, educational level, among others.
For example, we can give numerical values like 1 for male, and 2 for female when categorizing people based on sex.
Therefore, categorical data can be either numeric or nonnumeric.
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Harry buys party supplies for a total of $34. 76. He now has $14. 27 left. How much money did Harry have before buying party supplies?
Answers
To find out how much money Harry had before buying party supplies, we need to add the amount he spent on party supplies to the amount he has left:
Amount Harry had before = Amount spent + Amount left
Amount spent = $34.76
Amount left = $14.27
Amount Harry had before = $34.76 + $14.27 = $49.03
Therefore, Harry had $49.03 before buying party supplies.
F(x) = 2x2 + 1 what is f(x) when x = 3 ?
Answers
Answer:
2x^2 +1 (x=3)
2(3)^2 +1
6^2 +1
36+1
37
Equation E: c = 2d + 1 Equation F: c = 3d + 7 Which statement describes a step that can be used to find the solution to the set of equations? Equation F can be written as c = 3(c − 1) + 7. Equation F can be written as c = 2(c − 7) + 1. Equation F can be written as d + 1 = 3d + 7. Equation F can be written as 2d + 1 = 3d + 7.
Answers
Answer:
last option is correct
Step-by-step explanation:
A step that could be used to find the solution is substitution.
We can directly substitute for c in equation F
Since c= 2d + 1 from equation E, we can substitute directly in equation F and we will have 2d + 1 = 3d + 7
What level of measurement is required of the independent variable (IV) and dependent variable (DV) to conduct a correlation
Answers
To conduct a correlation analysis, the independent and dependent variables should be measured at the interval or ratio level. This allows for the calculation of meaningful correlation coefficients.
To conduct a correlation analysis, the independent variable (IV) and dependent variable (DV) should be measured at the interval or ratio level. The reason for this is that correlation analysis requires numerical data to calculate correlation coefficients.
At the interval level, the variables have meaningful and equal intervals between their values, but they do not have a true zero point. Examples include temperature measured in Celsius or Fahrenheit. At the ratio level, the variables not only have meaningful and equal intervals, but they also have a true zero point. Examples include weight, height, or time.
By having data measured at these levels, we can accurately calculate the correlation coefficient, which quantifies the strength and direction of the relationship between the variables. In conclusion, to conduct a correlation analysis, the independent and dependent variables should be measured at the interval or ratio level. This allows for the calculation of meaningful correlation coefficients.
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