Answer: A triangle
Step-by-step explanation:
1. What kind of polyhedron can be assembled from this net?
2. Find the surface area (in square units) of the polyhedron. Show your reasoning.
Answer:
Honestly it looks like a rectangular prism.
Step-by-step explanation:
Picture that you're folding it. the dark lines are the crevaces that you fold on.
4x - 2y + 2x =
I don't know the answer
Answer:
6x -2y
Step-by-step explanation:
4x - 2y + 2x
Combine like terms
4x +2x - 2y
6x -2y
Answer:
6x - 2y
Step-by-step explanation:
Add 4x and 2x
6x - 2y
Hope this helps!
If you need more help with these types of equations, don't be afraid to reach out!
in slope intercept form, what is the equation of the line having a slope of 2 and passing through the point (6,24)?
Answer:
y = 2x + 12
Step-by-step explanation:
In the hydrogen atom, for which transition is the emission line observed at shorter wave-length, n = 4 to n = 2 or n = 5 to n = 1? Show the equation needed to figure this out. Consider the relative size of delta E to determine the relative wavelength. There is no need to calculate delta E.
The emission line observed at a shorter wavelength in the hydrogen atom corresponds to a transition with a larger change in energy, indicating a larger value of delta E.
In the hydrogen atom, the energy levels of electrons are quantized and can be described by the equation:
delta E = -13.6 eV * (1/n_final^2 - 1/n_initial^2)
where delta E represents the change in energy, n_final is the final energy level, and n_initial is the initial energy level of the electron.
To determine which transition emits light at a shorter wavelength, we compare the values of delta E for the two given transitions: n = 4 to n = 2 and n = 5 to n = 1. Since delta E is inversely proportional to the square of the energy level, a larger change in energy corresponds to a larger delta E and thus a shorter wavelength.
Therefore, the transition with the larger change in energy, which is n = 4 to n = 2, will exhibit the emission line at a shorter wavelength compared to the transition from n = 5 to n = 1.
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Sixty and sixty eight thousandths
Answer: 60 and 68/1000
Step-by-step explanation:
Not sure if you wanted it in fraction, decimal, or percentage form.
Answer:
60 and 68.000
Step-by-step explanation:
i not sure if that was what u were looking for
Find the value of x in the triangle shown below
x = ?
Answer:
The correct answer is 33°
1. a family of ten is taking pictures at a wedding. the photographer wants the perfect photo and lines them up in a single row. he knows he wants the happy couple in the middle and the two youngest on the outside. how many possible arrangements are there for this family wedding photo?
There are 1440 possible arrangements for the family wedding photo, considering the positions of the happy couple and the two youngest.
To find the number of possible arrangements for the family wedding photo, we need to consider the positions of the happy couple and the two youngest family members.
First, we place the happy couple in the middle position. This leaves eight family members to arrange on the remaining positions on either side of the couple.
For the two youngest family members, we have two options: placing the youngest on the left end and the second youngest on the right end, or vice versa.
Next, we arrange the remaining six family members on the remaining positions. Since there are six remaining family members, there are 6! (6 factorial) ways to arrange them.
Multiplying the number of options for the youngest family members (2) with the number of arrangements for the remaining family members (6!), we get:
\(2 * 6! = 2 * 720 = 1440.\)
Therefore, there are 1440 possible arrangements for the family wedding photo.
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You are shopping for single-use cameras to hand out at a party. The daylight cameras cost $2.75 and the flash cameras cost$4.25. You must buy exactly 20 cameras and you want to spend between $65 and$75, inclusive. Write and solve a compound inequality for this situation. Then list all the solutions that involve whole numbers of cameras.
The compound inequality for the given situation is $2.75x + $4.25y ≥ $65 and $2.75x + $4.25y ≤ $75, where x represents the number of daylight cameras and y represents the number of flash cameras.
To solve this compound inequality, we need to find the values of x and y that satisfy both conditions. The inequality $2.75x + $4.25y ≥ $65 represents the lower bound, ensuring that the total cost of the cameras is at least $65. The inequality $2.75x + $4.25y ≤ $75 represents the upper bound, making sure that the total cost does not exceed $75.
To list the solutions involving whole numbers of cameras, we need to consider integer values for x and y. We can start by finding the values of x and y that satisfy the lower bound inequality and then check if they also satisfy the upper bound inequality. By trying different combinations, we can determine the possible solutions that meet these criteria.
After solving the compound inequality, we find that the solutions involving whole numbers of cameras are as follows:
(x, y) = (10, 10), (11, 8), (12, 6), (13, 4), (14, 2), (15, 0), (16, 0), (17, 0), (18, 0), (19, 0), (20, 0).
These solutions represent the combinations of daylight and flash cameras that fulfill the requirements of buying exactly 20 cameras and spending between $65 and $75.
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Someone help me please
===============================================
Explanation:
The table says that
5 students got an A10 students got a B15 students got a CThat's 5+10+15 = 30 students out of 35 total.
The probability is therefore 30/35 = 0.8571 approximately which rounds to 0.86
There's roughly an 86% chance of picking someone who got an A, B or C.
Find the midpoint of endpoints -6 and -10
Can you solve this question 3+ (2)² (1+4)
Two thousand two hundred frequent business travelers are asked which midwestern city they prefer: Indianapolis, Saint Louis, Chicago, or Milwaukee. 124 liked Indianapolis best, 416 liked Saint Louis, 1225 liked Chicago, and the remainder preferred Milwaukee. Develop a frequency table and a relative frequency table to summarize this information. (Round relative frequency to 3 decimal places.) City Frequency Relative Frequency Indianapolis St. Louis Chicago Milwaukee
The frequency table will list the number of travelers who liked each city. In this case, 124 travelers liked Indianapolis best, 416 liked St. Louis, 1225 liked Chicago, and the remaining number preferred Milwaukee.
The frequency table will present the preferences of the frequent business travelers while the relative frequency table will express these frequencies as a proportion of the total number of travelers. It will list the four cities (Indianapolis, St. Louis, Chicago, and Milwaukee) and their corresponding frequencies, which represent the number of travelers who preferred each city. According to information provided, 124 travelers liked Indianapolis, 416 liked St. Louis, 1225 liked Chicago, and the remaining number preferred Milwaukee.
The relative frequency table will express the frequencies as proportions relative to the total number of travelers. To calculate the relative frequency, the frequency of each city will be divided by the total number of travelers, which is 2200 in this case.
The resulting proportions will be rounded to three decimal places. The relative frequencies will indicate the proportion of travelers who preferred each city relative to the total number of respondents.
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A solid with surface area 50units^2 is dilated by a scale factor of K to obtain a solid surface area 200units^2. Find the value of K.
The value of K is 2.
Let's denote the scale factor as K. The surface area of a solid after dilation is directly proportional to the square of the scale factor.
We are given that the initial surface area of the solid is 50 units^2, and after dilation, the surface area becomes 200 units^2.
Using the formula for the surface area, we have:
Initial surface area * (scale factor)^2 = Final surface area
50 * K^2 = 200
Dividing both sides of the equation by 50:
K^2 = 200/50
K^2 = 4
Taking the square root of both sides:
K = √4
K = 2
Therefore, the value of K is 2.
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Which triangle would be most helpful in finding the distance between the points (-4,3) and (1, -2) on the coordinate
plane?
Answer:
Right Triangle, the distance between these two coordinates is 5.83 in whatever unit you're measuring.
Step-by-step explanation:
Generally when you're using triangles to find the distance between two graphed points, you're using a right triangle.
\(9 + 25 = 34\\\sqrt{34}=5.83\)The reason behind that being you can draw lines on the x and y axis of these points and find where they connect. After doing so, you can directly connect the two points and create a right triangle.
To find the distance between the two points using a right triangle, we can use the formula for the hypotenuse: \(a^2 + b^2=c^2\)
A and B is the distance between the point and where the lines you've drawn intersect. C is the resulting distance between the two points.
Plugging in A and B, which is 3 and 5, we can find C. 3 squared is 9 and 5 squared is 25.
\(3^2 + 5^2 = 9 + 25\)
Now we add the two and find the square root.
\(9+25=34\\\sqrt{34} =5.83\)
Your answer is 5.83
Lisa spent $56 on pizzas. Meat pizzas cost $6 and cheese pizzas cost $5. She bought 10 pizzas total. How many of each did she buy?
Answer:
You can get 10 chesse pizzas and then you can get 1 meat pizza.
Step-by-step explanation:
Sorry if that wasn't what you were looking for. Hope this helped!
Answer:
6 meat pizzas and 4 cheese pizzas = $56
Step-by-step explanation:
The outputs of an organization, divided by all of its inputs, is called its:
A. total factor productivity.
B. total labor productivity.
C. partial productivity.
D. total capital productivity.
E. efficiency ratio.
Total factor productivity. This term refers to the ratio of an organization's outputs to all of its inputs, including labor, capital, and other resources. This measurement is used to determine how efficiently an organization is using its resources to produce its desired outcomes.
An explanation of the other options is as follows:
- B. Total labor productivity refers only to the output of an organization divided by its labor inputs.
- C. Partial productivity measures the output of an organization relative to a single input factor, such as labor or capital.
- D. Total capital productivity measures an organization's output relative to its capital inputs.
- E. Efficiency ratio is a broader term that can refer to any ratio that measures an organization's efficiency in achieving its goals, but it does not specifically refer to the ratio of outputs to inputs.
total factor productivity is the most appropriate answer to the question as it measures the overall efficiency of an organization in using all of its resources to achieve its goals.
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From a hot-air balloon, Nayeli measures a 35^{\circ} ∘ angle of depression to a landmark that’s 905 feet away, measuring horizontally. What’s the balloon’s vertical distance above the ground? Round your answer to the nearest tenth of a foot if necessary.
The balloon's vertical distance above the ground is equal to 633.7 feet
What is angle of depression?
The angle of depression is the angle between the horizontal line and the observation of the object from the horizontal line.
Given data ,
we have Angle of depression = 35°
Base distance D = 905 ft
Let the vertical distance be H
To calculate the vertical distance H of the balloon above the ground , we use the angle of depression and the base distance.
Therefore , using the trigonometric identities ,
sin = Opposite / Hypotenuse
cos = Adjacent / Hypotenuse
tan = Opposite / Adjacent
So , tan Ф = tan 35°
= H / D
tan 35°= H / 905
H = tan 35° x 905 ft
H = 0.7002075 x 905
H = 633.7 ft
Hence , vertical distance is equal to 633.7 ft
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Answer all sub-questions:
a) Compare and contrast the "Monte Carlo" and "Historical" simulation as tools for measuring the risk. [11 grades]
b) Why in risk analysis the right choice of the probability distribution that describes the risk factor's values it is of paramount importance? Discuss [11 grades] [11 grades]
c) Describe how statistics are used in risk management.
Monte Carlo and Historical simulation are widely used tools for risk measurement, generating random inputs based on probability distribution functions. Proper probability distributions are crucial for risk analysis, while statistics aids in risk management by obtaining probabilities and assessing results.
a) Monte Carlo and Historical simulation are the most extensively used tools for measuring risk. The significant difference between these two tools lies in their inputs. Monte Carlo simulation is based on generating random inputs based on a set of probability distribution functions. While Historical simulation, on the other hand, simulates based on the prior actual data inputs.\
b) In risk analysis, the right choice of probability distribution that explains the risk factor's values is of paramount importance as it can give rise to critical decision making and management of financial risks. Probability distributions such as the Normal distribution are used when modeling the return of an asset, or its log-returns. Normal distribution in financial modeling is essential because it best describes the distribution of price movements of liquid and high-frequency assets. Nonetheless, selecting the wrong distribution can lead to wrong decisions, which can be quite catastrophic for the organization.
c) Statistics are used in Risk Management to assist in decision-making by helping to obtain the probabilities of potential risks and assessing the results. Statistics can provide valuable insights and an objective evaluation of risks and help us quantify risks by considering the variability and uncertainty in all situations. With statistics, risks can be easily identified and properly evaluated, and it assists in making better decisions.
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angelina drove at an average rate of 80 kmh and then stopped 20 minutes for gas. after the stop, she drove at an average rate of 100 kmh. altogether she drove 250 km in a total trip time of 3 hours including the stop. which equation could be used to solve for the time t in hours that she drove before her stop?
The equation that could be used to solve for the time t in hours that she drove before her stop is 80t + 100(8/3 - t) = 250.
An algebraic expression is the combination of numbers and variables in expressing and solving a particular mathematical question. An equation is the equality of expressions.
Let t = time she drove before her stop
If the total trip time is 3 hours including the stop, which took 20 minutes, then the time she drove after the stop is 3 - t - 1/3 or 8/3 - t.
If altogether she drove a distance of 250 km, then the sum of the products of the rate of speed and time each drive is equal to 250.
(80 km/h)(t) + (100 km/h)(8/3 - t) = 250
Simplify the equation.
80t + 100(8/3 - t) = 250
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Lisa charges $28 for 2 hours of swimming lessons, Tara charges $75 for 5 hours of swimming lessons. Who offers a better deal?
Answer:
Lisa
Step-by-step explanation:
Find the amount of money Lisa and Tara charge every hour.
Lisa's ratio is 28 : 2 hours
Divide both sides of the ratio by 2
Lisa charges 14 dollars per hour
Tara's ratio is 75:5 hours
Divide both sides of the ratio by 5
Tara charges 15 dollars per hour
Lisa charges 1 dollar less each hour, so Lisa offers a better deal.
Hope this helps :)
Have an awesome day!
Why is i squared equal to 1?
The square root of -1 is the definition of i. A square root is squared to eliminate the two and leave the original number.
Given that,
We have to find why i squared is equal to negative 1.
We know that,
The imaginary numbers are denoted as i.
We occasionally obtained negative integers in equations when using the radican (square root) symbol to solve them. When they realized this, some would halt and respond, "no actual solution," which is technically accurate. We can further simplify radicals by using the imaginary number I which is the square root of real numbers. We occasionally even manage to get rid of the fictitious element, which provides us with actual solutions.
The square root of -1 is the definition of i. A square root is squared to eliminate the two and leave the original number.
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The ages of the winners of a cycling tournament are approximately bell-shaped. The mean age is 27.8 years, with a standard deviation of 3.4 years. The winner in one recent year was 31 years old. (a) Transform the age to a z-score. (b) Interpret the results. (c) Determine whether the age is unusual. (a) Transform the age to a z-score. z= (Type an integer or decimal rounded to two decimal places as needed.)
The z-score for the age of the winner is approximately 0.941. The z-score of 0.941 indicates that the age of the winner is approximately 0.941 standard deviations above the mean age. The age of the winner is not considered unusual as it falls within the range of ±2 standard deviations from the mean.
(a) To transform the age of the winner (31 years old) to a z-score, we use the formula: z = (x - μ) / σ
where x is the value (31 years), μ is the mean (27.8 years), and σ is the standard deviation (3.4 years).
Substituting the values into the formula: z = (31 - 27.8) / 3.4 ≈ 0.941
Therefore, the z-score for the age of the winner is approximately 0.941.
(b) Interpretation: The z-score represents the number of standard deviations the age of the winner is away from the mean age of the cycling tournament winners. In this case, the z-score of 0.941 indicates that the age of the winner is approximately 0.941 standard deviations above the mean age.
(c) To determine if the age of the winner is unusual, we typically consider values that fall outside the range of ±2 standard deviations from the mean. Since the z-score of 0.941 falls within this range, the age of the winner can be considered within the normal range of ages for the cycling tournament winners. It is not considered unusually high or low.
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ANSWER THIS CORRECTLY AND GET 100 PTS AND BRAINLIEST
Answer:
4y+6x2-6+y is not equivalent3y+6x2+6 is equivalent, but not fully simplified5y-6x2-5+1 is not equivalent5y-8x2-6+14x2 is equivalent and simplified fully3y+6x2-5-1 is equivalent and simplified fully5y+6x2-6 is not equivalent4y-8x2-5+14x2+y-1 is equivalent, but not fully simplifiedHope I helped!! :)Answer:
nmnm
Step-by-step explanation:
nmnmnm
What component does an axiomatic system begins? Is it Undefined Terms or Axiom?
In an axiomatic system, the component that typically comes first is the set of Undefined Terms.
The Undefined Terms are the fundamental concepts or entities that are not explicitly defined within the system. These terms serve as the basic building blocks of the system and are left undefined to avoid circular reasoning. Examples of Undefined Terms in mathematics include points, lines, and sets.
On the other hand, Axioms are statements or principles that are assumed to be true within the system. They provide the foundational rules or properties that govern the behavior of the Undefined Terms. Axioms are derived from intuitive or self-evident truths, and they form the starting point for deductive reasoning within the axiomatic system.
Therefore, the correct answer is that an axiomatic system begins with Undefined Terms. The Axioms come next and are used to establish the properties and relationships among the Undefined Terms.
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tensile testing is not appropriate for hard brittle materials such as ceramics. what is the test commonly used to determine the strength properties of such materials? why there is scatter in the measured strength data for ceramics?
The tests commonly used to determine the strength properties of such materials are 3-point load test, direct tension test, cylinder split test.
What is Cylinder split test?In this method, a lone loading along length is applied at diametrically end points. Due to this loading cylinder splits into two parts.
Brittle ceramics are typically not subjected to tensile tests. These materials are challenging to mold into the right test structure, they are challenging to handle without breaking, and it is challenging to align the test samples to prevent bending stresses that could damage the samples.
A three-point bending apparatus is used to measure the stress-strain behavior of brittle ceramics, and from the results, an equivalent modulus of elasticity is calculated.
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a system of linear equations that do not rely on each other for the algebraic or graphic form of the equation
Independent system of linear equations that do not rely on each other for the algebraic or graphic form of equations.
The collection of two or more linear equations involving the same variables is known as a system of linear equations. The number of orders in a system of linear equations can range from one to n.
If a consistent system only has one solution, it is regarded as independent.
Elimination or substitution are two algebraic methods for solving a system of linear equations. and was also graphically solved.
Hence Independent system of linear equations that do not rely on each other for the algebraic or graphic form of equations.
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What is 12- (-8) +7 in integers
Answer:
12+8+7=27
Step-by-step explanation:
just normal addition
4# is a two digit number ,where # represents the digit at ones place . 7999 ÷ 4# lies between ---------
Answer:
\(7999 \div 4\#\) lies between 163.245 and 199.975
Step-by-step explanation:
Given
2 digit = 4#
Required
The range of \(7999 \div 4\#\)
Let
\(\# = 0\) --- the smallest possible value of #
So:
\(7999 \div 40 = 199.975\)
Let
\(\# = 9\) --- the largest possible value of #
So:
\(7999 \div 49 = 163.245\)
Hence, \(7999 \div 4\#\) lies between 163.245 and 199.975
two sets are formed using 100 elements. there are 67 elements in one set and 72 in the other. how many elements are in the intersection of the two sets?
There are 39 elements in the intersection of the two sets.
Probability can be defined as the ratio of the number of favorable outcomes to the total number of outcomes of an event. For an experiment having 'n' number of outcomes, the number of favorable outcomes can be denoted by x. The formula to calculate the probability of an event is as follows.
Probability(Event) = Favorable Outcomes/Total Outcomes = x/n
Union: -
If set A and set B are two sets, then A union B is the set that contains all the elements of set A and set B. It is denoted as A ∪ B.
Example: Set A = {1,2,3} and B = {4,5,6}, then A union B is:
A ∪ B = {1,2,3,4,5,6}
Intersection:-
If set A and set B are two sets, then A intersection B is the set that contains only the common elements between set A and set B. It is denoted as A ∩ B.
Example: Set A = {1,2,3} and B = {4,5,6}, then A intersection B is:
A ∩ B = { } or Ø
Since A and B do not have any elements in common, so their intersection will give null set.
P(AUB) = P(A) + P(B) - P(A∩B)
Here, P (A) = the number of elements in the set A and so on.
We know that:
P (A)= 67
P (B)= 72
and P (AUB) = 100
So, we can solve for the number in the intersection i.e. P(A∩B) = P(A) + P(B) - P(AUB)
P(A∩B) = 67 + 72 - 100
P(A∩B) = 139 - 100
P(A∩B) = 39.
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Solve this 8x+5/2=13
Answer: There are actually 3 answers for this ahaha, but this is the EXACT ONE: 21/16 in DECIMAL FORM it's 1.3125 in MIXED NUMBER FORM it's 1 5/16
Step-by-step explanation: