Answers
Answer:
c is the answer to it
Step-by-step explanation:
did I help you
Related Questions
Following questions are about modelling of processes and products answer accordingly;
a) how could you speed up calculations on computers?
b) what is the classification of FEM elements. What kind of elements could be used for modelling generally?
c) explain hookes law
d) how to evaluate results in FEA
e) To which ones of the following parameters is the acoustic emission of an internal combustion engine directly related to?
A) Engine speed (RPM);
B) Fuel consumption;
C) Number of cylinders and engine configuration (in line cylinders, V, etc.);
D) Engine typology (2 stroke or 4 stroke);
E) Power;
F) Lubricant temperature;
G) Exhaust pipe connections;
H) Number of car’s passengers.
Answers
Modeling of processes and products refers to the creation and representation of mathematical or conceptual models that describe the behavior, characteristics, and interactions of various elements within a system. It involves using mathematical equations, algorithms, simulations, or other techniques to represent and analyze the processes and products involved in a specific domain or industry.
a) To speed up calculations on computers, you can employ the following techniques:
Parallel computing: Utilize multiple processors or processor cores to perform calculations simultaneously, dividing the workload among them. This can significantly reduce the computational time for complex tasks.Algorithm optimization: Analyze and improve the efficiency of the algorithms used in the calculations. Look for opportunities to reduce unnecessary calculations, optimize memory usage, and minimize the number of operations required.b) The classification of Finite Element Method (FEM) elements can vary depending on the specific context and application. However, in general, FEM elements can be classified into the following categories:
One-Dimensional Elements (1D): These elements are used for analyzing structures or systems that can be represented as lines or 1D objects. Examples include rods, bars, or beams.Two-Dimensional Elements (2D): These elements are used for analyzing planar structures or systems. They have area properties and are suitable for modeling structures such as plates or shells. Examples include triangles and quadrilaterals (e.g., triangular elements, quadrilateral elements).Three-Dimensional Elements (3D): These elements are used for analyzing solid structures or systems. They have volume properties and are suitable for modeling objects with thickness and depth. Examples include tetrahedra, hexahedra (cubes), and prisms.c) Hooke's Law is a fundamental principle in solid mechanics that describes the relationship between stress and strain in a linear elastic material. According to Hooke's Law, the stress (\(\sigma\)) is directly proportional to the strain (\(\epsilon\)) within the elastic limit of the material. Mathematically, it can be expressed as:
\(\sigma = E * \epsilon\)
where:
\(\sigma\) = stress (force per unit area)
E = Young's modulus (a material property representing its stiffness)
\(\epsilon\) = strain (deformation per unit length or unit volume)
Hooke's Law states that as long as the material remains within its elastic limit, the stress is directly proportional to the strain. This law is widely used in Finite Element Analysis (FEA) to model the behavior of materials under different loading conditions.
d) In Finite Element Analysis (FEA), the evaluation of results typically involves the following steps:
Post-processing: After performing the finite element analysis, the numerical results are obtained in the form of nodal displacements, element stresses, strains, and other relevant quantities. Post-processing involves extracting and organizing this data for further analysis and interpretation.Visualization: Results are visualized using graphical representations, such as contour plots, vector plots, or deformed shape plots, to gain a better understanding of the structural response.Validation: The obtained results should be validated against known analytical solutions, experimental data, or reference results to ensure the accuracy and reliability of the analysis.e) The acoustic emission of an internal combustion engine is directly related to the following parameters:
A) Engine speed (RPM): Higher engine speeds tend to produce louder and more pronounced acoustic emissions due to increased combustion and mechanical activity.
C) Number of cylinders and engine configuration (inline cylinders, V, etc.): The arrangement and number of cylinders in the engine can affect the acoustic characteristics, as the combustion events and vibrations vary with different configurations.
D) Engine typology (2-stroke or 4-stroke): The engine typology influences the combustion process and mechanical activity, which in turn affects the acoustic emission.
E) Power: Higher engine power usually corresponds to increased acoustic emissions, as more energy is generated and dissipated during the combustion and mechanical processes.
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Avery signed up for a streaming music service where there's a fixed cost for monthly
membership and a cost per song downloaded. Her total cost is given by the linear
graph below. What is the meaning of the point (1,9.24)?
Answers
Answer:the answer might be C or B
Step-by-step explanation:
The given ordered pair (1,9.24) represents the ordered pair represents the monthly cost of one song. Option C is correct.
Given that,
Avery signed up for a streaming music service where there's a fixed cost for a monthly membership and a cost per song downloaded. Her total cost is given by the linear graph.
The graph is a demonstration of curves that gives the relationship between the x and y-axis.
Here,
According to the question,
9.24 is the total cost marked on the y axis so corresponding to this the value of x is 1 which represents the number of song,
So the given ordered pair describe that the cost of one song per month is $9.24.
Thus, the given ordered pair (1,9.24) represents the ordered pair represents the monthly cost of one song. Option C is correct.
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Determine if the two triangles are congruent. If they are, state how you know.
1)
2)
Answers
2ASA
3AAS
4AAS
5ASA
Im pretty sure i’m correct :(:
What is the addition and subtraction rule with significant figures? Please give some specific examples.
Answers
When adding or subtracting numbers with significant figures, the result should be rounded to the least precise decimal place of the measurements involved.
How do you round the result when adding or subtracting significant figures?When performing addition or subtraction operations with numbers that have different levels of precision, it is important to ensure that the result is reported with the appropriate number of significant figures.
The rule states that the result should be rounded to the least precise decimal place among the measurements involved in the calculation.
For example, consider the addition of 53.5 and 46.5. Both numbers have one decimal place, so the sum should also be reported with one decimal place.
Adding the numbers gives us 100, but when applying the rule, we round the result to 100.0 to reflect the precision of the original measurements.
Similarly, if we subtracted 46.5 from 53.5, the result would still have one decimal place: 7.0.
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The point (-5, 10) undergoes a translation of 10 units right and 5 units down.
What are the coordinates of the new point?
Answers
Answer:
Translation 10 units right: (-5, 10) --> (5, 10)
Translation 5 units down: (5, 10) --> (5, 5)
(5, 5) is the final answer
Let me know if this helps!
with regard to a​ regression-based forecast, the standard error of the estimate gives a measure of:______.
Answers
With regard to a regression-based forecast, the standard error of the estimate gives a measure of option (C) the variability around the regression line
The standard error of the estimate in a regression-based forecast is a measure of the variability of the actual data points around the predicted values of the regression line.
It tells us how much the actual data points are likely to deviate from the predicted values, and provides a measure of the accuracy of the forecast. It is not related to the time required to derive the forecast equation, the maximum error of the forecast, or the time period for which the forecast is valid.
Therefore, the correct option is (C) The variability around the regression line.
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The give question is incomplete, the complete question is:
With regard to a regression-based forecast, the standard error of the estimate gives a measure of:
A. the time required to derive the forecast equation.
B. the maximum error of the forecast.
C. the variability around the regression line.
D. the time period for which the forecast is valid.
Greg started to run on a treadmill after setting it’s timer for 98 minutes the display says that he has finished 57% of his run how many minutes have gone by
Answers
A total of 55.86 minutes have gone by since Greg started his run on the treadmill.
How many minutes have gone byIf Greg has completed 57% of his run, it means he has 43% of his run remaining.
To find out how many minutes have gone by, we can use proportions.
Let's say x is the total number of minutes Greg needs to complete his run:
x = 57% * 98 minutes
Evaluate
x = minutes
Therefore, approximately 55.86 minutes have gone by since Greg started his run on the treadmill.
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Every autumn, the North American Monarch
butterfly migrates up to 3,000 miles to California and Mexico where it hibernates
until early spring. The butterfly travels on average 50 miles per day.
Answers
Part A
The equation is d = 50t
This is because the slope of 50 represents how many miles per day the butterflies cover (on average). The y intercept is 0 to indicate that 0 miles have been traveled initially.
You can think of this as the equation y = 50x
If t = 1, then d = 50t = 50*1 = 50 miles have been covered
If t = 2, then d = 50t = 50*2 = 100 miles have been covered
And so on.
==========================================================
Part B
You'll have these values in the bottom row (in the order presented): 50, 100, 150, 200, 250
You can plug in the values t = 1, t = 2, t = 3, t = 4 and t = 5 into d = 50t to find those answers in bold.
Or you could add on 50 each time to generate each new value. We start at 50 since t = 1 corresponds to d = 50.
==========================================================
Part C
You can keep the pattern of 50,100,150, ... going until you reach 2500. Then note the t value that pairs with d = 2500
In my opinion, that's the slower method.
The quicker method is to plug d = 2500 into the equation for part A, and then solve for t.
d = 50t
2500 = 50t
50t = 2500
50t/50 = 2500/50 ....... divide both sides by 50
t = 50
It will take 50 days for the average distance traveled to be 2500 miles.
Use rounding to estimate.
1. 2.34 + 1.9 + 5.23
2. 10.39 - 4.28
Answers
Answer:
1. 9.47
2. 6.11
Step-by-step explanation:
1.9 rounded to 2
5.23 rounded to 5.
2 + 2 + 5 = 9 estimated
Question 2 : 10.39 rounded to 10
4.28 rounded to 4. 10 - 4 = 6 estimated.
Hope this helped!!!
3 yards of ribbon for 1.50 how much yard would 5 yards be
Answers
because 1.50/3 is 0.50 and 0.50x5 equals to 2.50
Answer:
1. divide 1.50 by 3 to get the unit cost of a yard
of ribbon. the ansvwer is .75.
2. you must multiply .75 by 5 to get 3.75 to find the cost of 5 ribbons
Step-by-step explanation:
final answer $30
Tim earns $12 per hour as head lifeguard at Sammy's Swim Park. As a first year lifeguard Jack earns 30% less than Tim, and as a second year lifeguard Jim earns $1 more per hour than Jack. Which expression represents how much Jim earns? (h represents hours)
Answers
Answer:
9.4
Step-by-step explanation:
12 - 30% equals 8.4 + the one dollar will give you 9.4
12 - 30% = 8.4
8.4 + 1 = 9.4
Lois and Clark own a company that sells wagons. The amount they pay each of their sales employees (in dollars) is given by the expression 12h+30w12h+30w12, h, plus, 30, w where hhh is the number of hours worked and www is the number of wagons sold.
What is the amount paid to an employee that works 666 hours and sells 333 wagons?
\$
Answers
Answer:
x=36° (180/5x because 2x+3x)
Step-by-step explanation:
Answer:
162
=12h+30w
=12(6)+30(3)
=72+90
=162
A triangular box used to hold sandwiches is 5 inches long. 9 inches wide. and 2 inches high. What is the surface area of the triangular box?
Answers
Reasoning How can you use proportional
easoning to make an estimate about a
population using data from a sample?
Answers
Proportional reasoning can be used to make an estimate about a population using data from a sample by assuming that the sample is representative of the population as a whole.
What is proportional reasoning ?Proportional reasoning involves using the relationship between different parts of a whole to estimate an unknown value.
To apply proportional reasoning to a population estimate, you would first need to gather a random sample of individuals from the population. Then, you could use the data from the sample to estimate the value of a particular characteristic or parameter for the entire population.
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A polygon that undergoes a series of transformations such that the image has the corresponding sides and angles of equal measure to those of the original, it can be said that the original and the image are congruent. true or false
Answers
Yes the pre image and image are congruent always
See
They are transformed through a constant scale factor so they ought to be same .
And
If there angles of one triangle (pre image) are congruent to rest three(image) then triangles are congruent by AAA congruence
What is the blank?
43 + 29= __ + 60
Answers
Answer:
12
Step-by-step explanation:
43 + 29= __ + 60
72= __ + 60
72= 12 + 60
72=72
The value of the blank number is 12.
What is the value of the blank?The first step is to determine the value of the addition of the numbers on the left hand side of the equation. Addition is the process of determining the sum of two or more numbers.
43 + 29 = 72
The second step is to subtract 60 from 72. Subtraction is the process of determining the difference between two or more numbers.
72 - 60 = 12
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GIVING 50 POINTS
PLZ HURRY
Answers
Answer: B
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
i took k12 test
How do you explain what a function is?
Answers
A function is a mathematical relationship between the domain and the range, two sets of values. The range is the set of output values that the function produces, and the domain is the set of input values for which it is defined.
What is a function, exactly?
a mathematical phrase, rule, or law that establishes the link between an independent variable and a dependent variable (the dependent variable).
Consider the function f(x) = x^2 as an illustration. This function generates the value f from the supplied value x. (x). This function will return the value 9 if the given value is 3, since 3^2 = 9.
Generally speaking, a function describes the relationship between two sets of values (the domain) (the range). For instance, the relationship between the input value x and the output value f(x) is described by the function f(x) = x^2.
A formula, which is a guide that explains how to calculate the output value for a specific input value, is typically used to express a function. For instance, the function f(x) = x^2 has the formula f(x) = x^2. We just enter the input value into the formula and simplify to determine the output value for a particular input value.
A fundamental idea in mathematics, functions are used to model and describe a wide variety of real-world occurrences. For instance, the quadratic function f(x) = x^2 + 2x + 1 can be used to simulate how an item would move in the presence of gravity. A population's expansion over time can be predicted using the exponential function f(x) = 3^x.
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Which fraction and decimal forms match the long division problem?
Answers
Answer: C
Step-by-step explanation: C
2 divided into 9 parts is 2/9.
Let's' explain this visually
Take this pizza, (image below)
Let's say we have two pizzas for 8 friends (including ourselves), so naturally, we'll cut the pizza's each into 9 slices, 1 for each, now everyone gets 1/9 of a pizza, but there are two pizzas, so if we add 1/9+1/9, we'll get two ninths.
Now 2/9=0.2 repeating!
This is how I got my answer sorry for the vague explanation
You need to paint a decorative garden ornament that is in the shape of pyramid with a square base
that is 9 inches long and has a slant height of 12 inches.
a. A smaller pyramid has linear dimensions that are
times that of the larger pyramid. Does the
smaller pyramid require times the amount of paint? Explain.
b. Another pyramid has the same base lengths but the slant height. Does this pyramid require
the paint as the original pyramid? Explain.
Answers
Step-by-step explanation:
Total Surface area of a pyramid is given as
= Lateral surface area + area of base.
Lateral surface area = 1/2×perimeter of base×slant height
given the base is square with side 9 in , and slant height of 12 inches.
therefore, LSA = 1/2(9*4)×12 = 216 in^2
Now, TSA = LSA + Base area = 216+9^2 = 297 in^2
a) It is given that the pyramid is smaller therefore, it will require lesser paint than the original pyramid ( The TSA of the smaller pyramid cannot be calculated as its dimentions are not given).
b) It can not be solved as dimensions are missing in the question.
However, the logic has been explained in the soluion one easily put values to find the solution.
please help me i attached picture.
Answers
Graph the logarithm function g(x) and determine the domain ,range and x intercept. Show all necessary calculation The domain of the function g(x) is all real numbers x≥2, since the expression log4(x-2) is undefined for x<2.
What is expression in math?Expression is a way of conveying thoughts, feelings, and emotions through words, body language, facial expressions, or creative outlets like writing, art, and music. It allows us to make sense of our experiences and communicate our innermost feelings and beliefs to the world. Expressions can also be seen as a way of expressing oneself in a unique and individualistic manner, allowing us to communicate our thoughts and feelings in a way that can be understood by others. Expression is essential for healthy communication and relationships.
The range of the function is all real numbers y≥2, since log4(x-2) is always non-negative. To find the x-intercept, we set the expression log4(x-2) equal to zero, and solve for x. This gives us x=2, so the x-intercept of the graph is (2, 0).
The graph of the function g(x) is shown below.
B. Defined the vertical and horizontal asymptomatic of g(x) show all necessary calculations.
The vertical asymptote of the function g(x) is the vertical line x=2, since the expression log4(x-2) is undefined for x<2. The horizontal asymptote of the function g(x) is the horizontal line y=2, since the expression log4(x-2) approaches zero as x approaches infinity.
C. Described the interval (s) in which the graph of g(x)is posetive determine the end behavior of g(x).
The graph of the function g(x) is positive for all real numbers x≥2. As x approaches infinity, the function g(x) approaches 2, so the right-hand end behavior of the function g(x) is positive. As x approaches 2 from the right, the function g(x) approaches infinity, so the left-hand end behavior of the function g(x) is also positive.
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please help!!! The table shows sample data of how many minutes students
spend on homework each night. Round to the nearest tenth
if necessary.
Answers
The mean of the data, x, is calculated by taking the sum of the data points and dividing by the total number of data points which is 18.67.
The variance is 4.07.
The standard deviation is 2.01.
What is mean?Mean is used to calculate the average value of a set of data. It is calculated by adding up all the values in a set and dividing by the total number of values in the set.
The mean of the data, x, is calculated by taking the sum of the data points and dividing by the total number of data points.
In the given table, the sum
= 18+17+20+18+20+19
=112.
Therefore, the mean x is 112/6=18.67.
The variance, σ², is calculated by taking the sum of the differences between each data point and the mean, squared, and dividing by the number of data points minus one.
In the given table, this is
(15-18.67)²+(17-18.67)²+(20-18.67)²+(18-18.67)²+(20-18.67)²+(19-18.67)²
= 20.35.
Therefore, the variance is 20.35/5=4.07.
The standard deviation, σ, is the square root of the variance.
Therefore, the standard deviation is
√4.07=2.01.
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please helpppppppppp me
Answers
Answer:
y = 15x
Step-by-step explanation:
I'm having some problems with this logarithmic question I will upload a photo
Answers
The Solution.
\(Let\log _{\frac{1}{9}}(\frac{1}{9})=x\)Writing the above equation in index form, we have
\(\begin{gathered} (\frac{1}{9})^1=(\frac{1}{9})^x \\ Then\text{ it follows that} \\ 1=x \\ x=1 \end{gathered}\)\(\begin{gathered} \text{Let }\log _749=x \\ So\text{ we have} \\ 49=7^x \\ \text{Making the base of both sides equal, we have} \\ 7^2=7^x \\ x=2 \end{gathered}\)\(\begin{gathered} \text{Let }\log _{\frac{1}{4}}16=x \\ \\ 16=(\frac{1}{4})^x \\ 16=4^{-1\times x} \\ 4^2=4^{-x} \\ -x=2 \\ x=-2 \end{gathered}\)\(\begin{gathered} \text{Let }\log _{125}5=x \\ \text{cross multiplying, we have} \\ 5=125^x \\ 5^1=5^{3x} \\ 3x=1 \\ \text{Dividing both sides by 3, we get} \\ x=\frac{1}{3} \end{gathered}\)\(\begin{gathered} \text{ Let }\log _8(\frac{1}{8})=x \\ \\ \frac{1}{8}=8^x \\ \\ 8^{-1}=8^x \\ -1=x \\ x=-1 \end{gathered}\)\(\begin{gathered} \text{ Let }\log _9(1)=x \\ 1=9^x \\ 9^0=9^x \\ x=0 \end{gathered}\)\(\begin{gathered} \text{ Let }\log _{\frac{1}{9}}(-1)=x \\ \\ -1=(\frac{1}{9})^x \\ \\ No\text{ solution because it has no real value.} \end{gathered}\)What is the equation in slope-intercept form of the line that passes through the point (5, 0) and is parallel to the line represented by y=1.2x+3.8?
Answers
Answer:
y=1.2x-5
Step-by-step explanation:
Parallel lines are equal lines that never intersect or touch each other.
When a problem gives you information about the line being parallel to another, you'll know the slope of the line is going to be the same.
Which situation represents the expression, 3/5 divided by 1/4?
Answers
The situation that represents the expression, 3/5 divided by 1/4 is Option B
What is interquartile range?The interquartile range is described as the range of values that resides in the middle of the scores.
It is abbreviated as (IQR)
From the information given, we have the expression in a fraction form as;
3/5 divided by 1/4
Now, we can see that the value of 3/5 is divided by 4, since
3/5 ÷ 1/4
Take the inverse of the divisor, we get;
3/5 × 4/1
Multiply the values, we have;
12/5
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which expressions are equivalent to 2 to the power of 6? Choose ALL that apply
6x6x6x6x6x6
2x2x2x2x2x2
2x6
4x16
12x12
8x8
Answers
Answer:
2x2x2x2x2x2, 4x16, and 8x8
Step-by-step explanation:
Meena takes 5 min 4 sec to solve 1 question how much time she took is she had solved 5 questions
Answers
Which number is a factor of the prime factorization of 60?
15
6
3
9
Answers
Answer:
3
Step-by-step explanation:
The actual prime factors of 60 are 2, 3, and 5.
Answer:
3
Step-by-step explanation:
prime fatorizations are 2, 3, and 5
the graph above represents position x versus time t for an object being acted on by a constant force. the average speed during the interval between 1 s and 2 s is most nearly]
(A) 2 m/s (B) 4 m/s (C) 5 m/s (D) 6 m/s (E) 8 m/s
Answers
The average speed during the interval between 1 second and 2 seconds is most nearly 8 m/s, which corresponds to option (E).
To determine the average speed during the interval between 1 second and 2 seconds, we need to find the displacement of the object during that time interval and divide it by the duration.
Looking at the graph, we can observe that the object's position increases from approximately 0 meters at 1 second to approximately 8 meters at 2 seconds.
Therefore, the displacement is 8 meters - 0 meters = 8 meters.
The duration of the time interval is 2 seconds - 1 second = 1 second.
To calculate the average speed, we divide the displacement by the duration:
Average speed = Displacement / Duration = 8 meters / 1 second = 8 m/s.
Therefore, the average speed during the interval between 1 second and 2 seconds is most nearly 8 m/s, which corresponds to option (E).
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