Answer:
445
Step-by-step explanation:
What is the product?
Answer:
The answer I got was
Step-by-step explanation:
[7, 4, 3]
You use the matrix calculator and then select a*b
what correctly displays a realationship between sets of real numbers
A relationship between sets of real numbers can be accurately represented through mathematical concepts such as subsets, intersections, unions, and equalities.
When comparing sets of real numbers, various mathematical concepts help express the relationship between them. One fundamental concept is the subset. A set A is considered a subset of another set B if every element in A is also an element in B. This relationship is denoted as A ⊆ B. For example, if A = {1, 2} and B = {1, 2, 3}, then A is a subset of B since all the elements in A are also present in B.
Another useful concept is the intersection of sets. The intersection of sets A and B, denoted as A ∩ B, refers to the set of elements that are common to both sets. For instance, if A = {1, 2, 3} and B = {2, 3, 4}, the intersection of A and B would be {2, 3} since those are the elements shared by both sets.
Furthermore, the union of sets provides a way to combine elements from multiple sets. The union of sets A and B, denoted as A ∪ B, represents the set that contains all the elements from both sets without duplication. For example, if A = {1, 2, 3} and B = {3, 4, 5}, the union of A and B would be {1, 2, 3, 4, 5}.
Lastly, the concept of equality between sets implies that two sets have exactly the same elements. If all the elements of set A are present in set B, and vice versa, then A = B. However, it's important to note that the order of elements within a set is irrelevant for equality.
By utilizing these mathematical concepts, one can accurately represent and analyze the relationship between sets of real numbers.
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A nursery owner buys 9 panes of glass to fix some damage to her greenhouse. The 9 panes cost $.23.85 Unfortunately, she breaks 2 more panes while repairing the damage. What is the cost of another 2 panes of glass?
After doing some mathematical operations, we know that the cost of 2 panes is $5.3.
What exactly are mathematical operations?An operation, in mathematics, is a mathematical function that transforms zero or more input values into a precisely defined output value.The arity of the operation is influenced by the number of operands.The rules that specify the order in which we should carry out the operations required to solve an expression are referred to as the order of operations.PEMDAS stands for Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction (from left to right).So, the cost of 2 panes:
The cost of 9 panes is $23.85.
Then, the cost of 1 pane will be:
23.85/9 = $2.65Now, the cost of 2 panes will be:
$2.65 × 2 = $5.3Therefore, after doing some mathematical operations, we know that the cost of 2 panes is $5.3.
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What is a rate in math.
Answer:
a ratio between two different units
for example 60miles per 5 hours
Step-by-step explanation:
let me know if you need unit rate yoo :)
Explain what the intercepts mean in terms of the context and how to find them.
Answer:
Intercepts in terms of graphing are considered to be points at which a function crosses an axis. In the standard x and y graph (the Cartesian coordinate grid), one would find the intercepts by simply plugging in the value of 0 for either the x or the y to find either the y or x intercept respectively. For example, to find the y-intercept, you want to find (0,y) and to find the x-intercept, you want to find (x,0).
Cheers.
A Liberian sorts 350 books at a constant role. After a days, the librarian still has 150 books to son, How much time does it take to sort the books from start to
finish
Answer: 7 days
Step-by-step explanation:
Books already sorted;
= 350 - 150
= 200
Time taken = 4 days
Rate = 200/4
= 50 books a day
150 books remain;
= 150/50
= 3 days
Total time = 4 + 3
= 7 days
Graph the line with the equation y = 2/5x -3.
Answer:
slope: 2/5
y-int: (0, -3)
Let R be the region bounded by the following curves Find the volume of the solid generated when R is revolved about the y-axis y=6x y=24 y=X,y= 6x,y= 24 Set up the integral that gives the volume of the solid. dy (Type exact answers_ The volume of the solid is (Type an exact answer) cubic units'
Answer:
\(V=4480\pi \text{ units}^3\)
Step-by-step explanation:
Rewrite the region in terms of x
\(\displaystyle x=\frac{y}{6},\,x=y,\,y=24\)
Identify inner and outer radii
The inner radius is \(\displaystyle r=\frac{y}{6}\) and the outer radius is \(R=y\) because as \(y\) goes from 0 to 24, \(x\) goes from \(\displaystyle x=\frac{y}{6}\) to \(x=y\) in that direction.
Perform Washer Method
\(\displaystyle V=\pi\int\limits^b_a {(R^2-r^2)} \, dy\\ \\V=\pi\int\limits^{24}_0 {\biggr(y^2-\biggr(\frac{y}{6}\biggr)^2\biggr)} \, dy\\\\V=\pi\int\limits^{24}_0 {\biggr(y^2-\frac{y^2}{36}\biggr)\biggr)} \, dy\\\\V=\pi\biggr(\frac{y^3}{3}-\frac{y^3}{108}\biggr)\biggr|_0^{24}\\\\V=\pi\biggr(\frac{24^3}{3}-\frac{24^3}{108}\biggr)\\ \\V=4480\pi \text{ units}^3\)
I've attached a visual to help better understand this problem!
The Haitian Revolution was the first, of many, successful slave uprisings in history.
A) True
B) False
A basketball team played six games. In those games, the team won by 7 points, lost by 20, won by 8, won by 11, lost by 3, and won by 9. Which was the mean amount by which the team won or lost over the six games?
A. -3 points
B. 2 points
C. 3 points
D. 6 points
HELP PLSS I NEED THE ANSWERS ASAP PLSSS :((
Answer:
132 km :)))))))))))))))
Step-by-step explanation:
The Hint said to find the two things in comparison
they are:
99km----------→9litXkm----------→12litcross multiply the two equations
=99km*12lit=9lit*Xkm
=1188lit/km=9Xlit
note;
liters will annul liters
hence,
X=1188km/9
X = 132km
is the final answer
a) Which of the following statements about the maximum likelihood estimator (MLE) are true? i) The MLE achieves asymptotically the Cramer-Rao lower bound under certain regularity conditions; ii) The distribution of the MLE stays unchanged by a parameter transformation; iii) The MLE is asymptotically normally distributed under certain regularity conditions; iv) None of the above are true.
the correct answer is: i) The MLE achieves asymptotically the Cramer-Rao lower bound under certain regularity conditions; iii) The MLE is asymptotically normally distributed under certain regularity conditions
TheThe true statements about the maximum likelihood estimator (MLE) are:
i) The MLE achieves asymptotically the Cramer-Rao lower bound under certain regularity conditions.
iii) The MLE is asymptotically normally distributed under certain regularity conditions.
Statement ii) is false. The distribution of the MLE can change when a parameter transformation is applied.
Therefore, the correct answer is: i) The MLE achieves asymptotically the Cramer-Rao lower bound under certain regularity conditions; iii) The MLE is asymptotically normally distributed under certain regularity conditions.
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Solve this
4( x + 4)=
Answer:
4x + 16 - simplified
Step-by-step explanation:
Two parallel lines are crossed by a transversal.
What is the value of x?
x = 12
x = 14
x = 22
x = 24
In the situation of two parallel lines are crossed by a transversal the value of x is calculated to be 12
How to find the value of xThe value of x is calculated using the knowledge of alternate internal angels and linear pair.
This can also be determined using corresponding angles and linear pair theorem
Using corresponding angles:
angel 115 is equal to the corresponding position at line b. This makes angel 115 and 5x + 5 to form linear pair
The linear pair theorem says that the two angles 5x + 5 and 115 are supplementary
5x + 5 + 115 = 180
5x + 120 = 180
5x = 180 - 120
5x = 60
x = 12
the value of x is solved to be 12
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A 2 inch pulley on an an electric motor that runs at 600 rpm is connected by a non slip belt to a 4 inch radius pulley on a saw arbor. The radius of the saw blade is 8 inches.
A) Which of these quantities is the same for both the 2 inch and 4 inch radius pulleys? V, The Translational Speed OR W, The Rotational Speed.
B) Find the value of W in rads/min for the 2 inch radius pulley. Answer in terms of pi.
C) Find the value of W for the 4 inch radius pulley. Answer in terms of pi.
D) Find the Translational Speed, V, of a saw tath in inches/min. Answer in terms of pi.
B no ........................
What is the degree of the following polynomial: . 3x3 + 2x - 4
Answer:
3
Step-by-step explanation:
look for the greatest exponent
Bill's Grill is a popular college restaurant that is famous for its hamburgers. The owner of the restaurant, Bill, mixes fresh ground beef and pork with a secret ingredient to make delicious quarterpound hamburgers that are advertised as having no more than 25% fat. Bill can buy beef containing 80% meat and 20% fat at $0.85 per pound. He can buy pork containing 70% meat and 30% fat at $0.65 per pound. Bill wants to determine the minimum cost way to blend the beef and pork to make hamburgers that have no more than 25% fat. For every problem: 1. Formulate an LP model 2. Find the optimal solution by using Excel Solver and submit Excel Template with your solution results. 3. Provide an interpretation of the Sensitivity Report.
The main answer is to set up a linear programming model to minimize the cost of the hamburger mixture while satisfying the fat and meat content constraints, and then use Excel Solver to find the optimal solution.
To formulate an LP model for Bill's Grill problem, let's define the decision variables and the objective function:
Decision Variables:
Let x be the amount of beef (in pounds) used in the hamburger mixture.
Let y be the amount of pork (in pounds) used in the hamburger mixture.
Objective Function:
Minimize the cost of the hamburger mixture: Cost = 0.85x + 0.65y
Subject to the following constraints:
1. Fat Constraint: The fat content in the hamburger mixture should be no more than 25%.
0.20x + 0.30y ≤ 0.25(x + y)
2. Meat Constraint: The meat content in the hamburger mixture should be at least 75%.
0.80x + 0.70y ≥ 0.75(x + y)
3. Non-negativity Constraint: The amounts of beef and pork used should be non-negative.
x ≥ 0
y ≥ 0
By solving this linear programming model using Excel Solver, you can find the optimal solution that minimizes the cost while satisfying the fat and meat content constraints. The sensitivity report generated by Excel Solver will provide valuable information about the solution, including the shadow prices (dual values) associated with the constraints, which represent the rate of change in the objective function with respect to the constraint coefficients.
Please note that the Excel template and detailed solution results would require a specific file format that cannot be provided through this text-based interface. I recommend using Excel software with Solver add-in to set up and solve the LP model for Bill's Grill problem.
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Please help me with this question.....
\(\angle PYZ=116^{\circ}\) (angles on a line add to 180 degrees)
\(\angle ZYQ=58^{\circ}\) (angle bisector)
\(\angle XYQ=122^{\circ}\) (angle addition postulate)
\(\angle QYP=58^{\circ}\) (angle bisector)
Reflex \(\angle QYP=302^{\circ}\) (an angle and its reflex angle add to 360 degrees)
Determine whether each of the following is the graph of a function. Write Yes or No for your answer. 2 -10-8-6-4-2 2 4 6 8 10 - 2pts Information 5. Find the domain of: g(x) = 8 - x2
The given graph is not the graph of a function. The domain of the function g(x) = 8 - x^2 is all real numbers.
To determine whether the given graph is the graph of a function, we examine whether each input value (x-coordinate) corresponds to a unique output value (y-coordinate). In the given graph, for some x-values, there are multiple y-values, which violates the definition of a function. Therefore, the answer is No, the given graph is not the graph of a function.
Moving on to the second part, we need to find the domain of the function g(x) = 8 - x^2. The domain of a function represents all the possible input values (x-values) for which the function is defined. Since the function g(x) involves a quadratic term x^2, there are no restrictions on the domain. In other words, the function is defined for all real numbers.
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7h=-(2h-18)7h=−(2h−18) Solve for h
Answer:
h=2
Step-by-step explanation:
7h=−(2h−18)
Distribute the minus sign
7h = -2h +18
Add 2h to each side
7h +2h = -2h+2h +18
9h = 18
Divide each side by 9
9h/9 =18/9
h =2
Answer:
h = 2
I got it right on Kahn Academy
PLEASE HELP!!! DONT KNOW THE ANSWERS
Answer:
A = 600
B = 40
C = 120
D = 8
Step-by-step explanation:
Area is length times width, so just multiply their respective lenghts and widths.
A = 20 x 30
B = 2 x 20
C = 4 x 30
D -= 4 x 2
Answer:
A=600
B=40
C=120
D=8
Step-by-step explanation:
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1218) y-Ax+Cx^B is the general solution of the first- order homogeneous DEQ: (x-y) dx - 6x dy = 0. Determine A and B. Also, include a manual solution in your portfolio. ans: 2 1220) y*Ax+Dx™B is the particular solution of the first-order homogeneous DEQ: (x-7) - 6xy'. Determine A, B, & D given the boundary conditions: x7 and y-5. Include a manual solution in your portfolio. ans :3
For the first-order homogeneous differential equation (x - y)dx - 6xdy = 0, the values of A and B are 2.
To determine the values of A and B in the general solution y = Ax + Cx^B, we need to substitute the given differential equation into the general form and compare the coefficients of dx and dy.
Given: (x - y)dx - 6xdy = 0
Substituting y = Ax + Cx^B into the differential equation:
(x - (Ax + Cx^B))dx - 6xdy = 0
Expanding and rearranging terms:
x dx - Ax dx - Cx^B dx - 6xdy = 0
Comparing the coefficients of dx and dy, we have:
x - Ax - Cx^B = 0 (coefficient of dx)
-6x = 0 (coefficient of dy)
From the coefficient of dx, we get:
1 - A - Cx^(B-1) = 0
From the coefficient of dy, we get:
-6x = 0
For the coefficient of dy to be zero, x must be zero.
Substituting x = 0 into the equation 1 - A - Cx^(B-1) = 0, we get:
1 - A = 0
This gives us A = 1.
Now, substituting A = 1 into the equation 1 - A - Cx^(B-1) = 0, we have:
1 - 1 - Cx^(B-1) = 0
-Cx^(B-1) = 0
For the equation to hold for all values of x, C must be zero.
Finally, we have A = 1 and C = 0, which implies B can have any value.
Therefore, the values of A and B are 1 and B can be any real number
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The gas tank in Orlando’s car holds 16 gallons. What is the capacity of the gas tank in liters? Round to the nearest tenth.
Answer:
To convert gallons to liters, we need to multiply the number of gallons by 3.78541, which is the conversion factor.
Capacity in liters = 16 gallons * 3.78541 liters/gallon
Capacity in liters = 60.56 liters (rounded to the nearest tenth)
Therefore, the capacity of the gas tank in liters is approximately 60.6 liters.
Answer:
60.6
Step-by-step explanation:
First, we find how many liters there are in a gallon. We find there are 3.78541178 liters in a gallon. 16*3.78541178 =60.5665885 Rounding to the nearest tenth, we get 60.6 as our answer.
Consider the following. f(x) = 8x – x2 from x = 0 to x = 4; 2 subintervals (a) Approximate the area under the curve over the specified interval by using the indicated number of subintervals (or rectangles) and evaluating the function at the right-hand endpoints of the subintervals. (See Example 1.) (b) Approximate the area under the curve by evaluating the function at the left-hand endpoints of the subintervals.
(a) The total area under the curve is nearly equal to 24.
(b) The area under the curve by evaluating the function at the left-hand endpoints of the subintervals is 24.
(a) To approximate the area under the curve of f(x) = 8x - \(x^2\) from x = 0 to x = 4 using 2 subintervals and evaluating the function at the right-hand endpoints of the subintervals.
We can use the right-endpoint rule for approximating definite integrals:
First, we need to find the width of each subinterval:
Δx = (4-0) / 2 = 2
Then, we can evaluate the function at the right-hand endpoints of the subintervals and multiply by the width of each subinterval to find the area of each rectangle:
f(2) = 8(2) - \(2^2\) = 12
f(4) = 8(4) - \(4^2\) = - 8
Area of the first rectangle = f(2)Δx = 12(2) = 24
Area of the second rectangle = f(4)Δx = -8(2) = -16
The total area under the curve is the sum of the areas of the two rectangles:
Total area ≈ 24 + (-16) = 8
(b) To approximate the area under the curve of f(x) = 8x - \(x^2\) from x = 0 to x = 4 using 2 subintervals and evaluating the function at the left-hand endpoints of the subintervals, we can use the left-endpoint rule for approximating definite integrals:
The width of each subinterval is still Δx = 2.
Now, we evaluate the function at the left-hand endpoints of the subintervals and multiply by the width of each subinterval to find the area of each rectangle:
f(0) = 8(0) - \(0^2\) =0
f(2) = 8(2) - \(2^2\) =12
Area of the first rectangle = f(0)Δx = 0(2) = 0
Area of the second rectangle = f(2)Δx = 12(2) = 24
The total area under the curve is the sum of the areas of the two rectangles:
(a) To approximate the area under the curve of f(x) = 8x - \(x^2\) from x = 0 to x = 4 using 2 subintervals and evaluating the function at the right-hand endpoints of the subintervals, we can use the right-endpoint rule for approximating definite integrals:
First, we need to find the width of each subinterval:
Δx = (4-0)/2 = 2
Then, we can evaluate the function at the right-hand endpoints of the subintervals and multiply by the width of each subinterval to find the area of each rectangle:
f(2) = 8(2) - \(2^2\) = 12
f(4) = 8(4) - \(4^2\) =-8
Area of the first rectangle = f(2)Δx = 12(2) = 24
Area of the second rectangle = f(4)Δx = -8(2) = -16
The total area under the curve is the sum of the areas of the two rectangles:
Total area ≈ 24 + (-16) = 8
(b) To approximate the area under the curve of f(x) = 8x - \(x^2\) from x = 0 to x = 4 using 2 subintervals and evaluating the function at the left-hand endpoints of the subintervals, we can use the left-endpoint rule for approximating definite integrals:
The width of each subinterval is still Δx = 2.
Now, we evaluate the function at the left-hand endpoints of the subintervals and multiply by the width of each subinterval to find the area of each rectangle:
f(0) = 8(0) -\(0^2\) =0
f(2) = 8(2) - \(2^2\) =12
Area of the first rectangle = f(0)Δx = 0(2) = 0
Area of the second rectangle = f(2)Δx = 12(2) = 24
The total area under the curve is the sum of the areas of the two rectangles:
Total area ≈ 0 + 24 = 24
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ABCD is a trapezoid with midsegment EF, and segment lengths AB=9x + 3, CD = 4x+7, and EF = 5x + 13. segments AB and CD are parallel, find the value of X show work to recieve credit.
Using the trapezoid midsegment theorem, the value of x is: 16/3.
How to Apply the Trapezoid Midsegment Theorem?According to the trapezoid midsegment theorem, we have equation below that can be used to solve the value of x:
Length of EF = 1/2(AB + CD).
Given the following:
AB = 9x + 3
CD = 4x + 7
EF = 5x + 13
Therefore:
5x + 13 = 1/2(9x + 3 + 4x + 7)
5x + 13 = 1/2(13x + 10)
2(5x + 13) = 13x + 10
10x + 26 = 13x + 10
10x - 13x = -26 + 10
-3x = -16
-3x/-3 = -16/-3
x = 16/3
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How many partial tables will be produced if a researcher controlled for gender? a. One. b. Four. c. Two. d. Three
The answer is c. Two.
When a researcher controls for gender, it means that the data is analyzed separately for each gender category. This approach allows the researcher to examine the relationship between variables while accounting for the potential differences between genders. By creating two separate groups based on gender (male and female), the researcher can analyze and compare the data within each group.
Therefore, controlling for gender will result in two partial tables, one for each gender category. Each partial table will contain the data specific to that gender, allowing for gender-specific analysis and comparisons. This approach enables the researcher to understand any variations or patterns that may exist within each gender group.
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What’s the domain and range of the following graphed function?
Answer: (i’m using 8 in place of infinity)
I believe they should both be (-8,8).
Step-by-step explanation: The arrows indicate that the function is continuous for both the x- and y- axes. Hope this helped!
find and sketch the domain of the function. f(x,y)= sqrt (y) + sqrt [25-(x^2)-(y^2)]
The domain of the function is a semicircle with a radius of 5 and centered at the origin, where y is non-negative.
The domain of a function is the set of all possible input values for which the function is defined. In this case, the function is defined as:
\(f(x,y) = \sqrt{y} + \sqrt{[25 - x^2 - y^2} ]\)
To find the domain of this function, we need to determine the values of x and y that would result in the function producing a real-valued output.
For the square root of y to be real, y must be non-negative. That is, y ≥ 0.
For the square root of [\(25 - x^2 - y^2\)] to be real, we must have:
\(25 - x^2 - y^2 \geq 0\\x^2 + y^2 \leq 25\)
This is the equation of a circle with radius 5 centered at the origin. Therefore, the domain of the function is the set of all points (x, y) that lie inside or on this circle and have y ≥ 0.
In interval notation, we can write:
Domain: {(x, y) |\(x^2 + y^2 \leq 25, y \geq 0\)}
To sketch the domain, we can plot the circle with radius 5 centered at the origin and shade the region above the x-axis. This represents all the valid input values for the function. The boundary of the domain is the circle, and the domain includes all points inside the circle and on the circle itself, but not outside the circle.
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PLEASE HELP ME!! I WILL GIVE BRAINLIEST TO THE FIRST TO HELP ME, AS WELL AS 5 STARS AND A THANK YOU!!!!
Answer:
Bottom Left, Top right, bottom right
Step-by-step explanation:
5. = 5/10 or 5/100
.75 = 75/100
Answer:
5/10×75/100
50/100×75/100
75/100×5/10
Step-by-step explanation:
What is the measure of angle x?
10
20
30
40