Answers
Related Questions
What is the meaning of "the universal class V is a proper class"?
Answers
The statement "the universal class V is a proper class" means that class V, which represents the universal set that contains all sets, is not itself a set but rather a proper class.
We have,
In set theory, a proper class is a class that is not a set.
A class is a collection of objects, and a set is a class that can be a member of other classes.
On the other hand, a proper class cannot be a member of another class.
The statement "the universal class V is a proper class" means that class V, which represents the universal set that contains all sets, is not itself a set but rather a proper class.
This means that V cannot be an element of any other class or set within the context of the set theory being considered.
The concept of proper classes is used to prevent paradoxes and contradictions that can arise when unrestricted comprehension is allowed in set theory.
Thus,
The statement "the universal class V is a proper class" means that class V, which represents the universal set that contains all sets, is not itself a set but rather a proper class.
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what is 38 as a product of prime
Answers
Answer:
38 = 1 x 38 or 2 x 19. Factors of 38: 1, 2, 19, 38. Prime factorization: 38 = 2 x 19
When looking at a graph of a system of equations,
where can I find the solution(s) to the system?
Answers
Answer:
to solve a system of linear equations graphically we graph both equations in the same coordinate system, the solution to the system will be in the point where the 2 lines intersect.
What is the probability of the spinner landing on the section labeled G? Express your answer as a decimal between 0 and 1. Round to two decimal places when necessary.
Answers
G is the fourth part of the circle then the probability is
\(\frac{1}{4}=0.25\)probability is 0.25
what is the solution?
x=3 and y=4
x=5 and y=4
x=4 and y=3
x=3 and y=2
Answers
Answer:
give me more instructions so i can actually help
Step-by-step explanation:
Instructions: Identify the key features of the following graph. If the Domain is all real numbers, type in 'All Real" into the Domain box
Answers
Key features for the graph given in the problem will be-:Vertex (-1, -5), Axis of symmetry=> (x = -1), y-intercept (0,-3), Minimum=> (y=-5), Domain=> (All Real), Range=>( y >= -5)
How to determine the key features?Refering to the graph given in the problem(refer image attached).The key features of the graph can be given as:
Vertex: The graph's vertex is at (-1, -5), which indicates that the graph extends upwards (because y = -5 is the minimal value).A vertical line at x = -1 serves as the graph's axis of symmetry. The graph is split into two symmetrical sections by this line.Y-intercept: The graph's y-intercept is at (0, -3), which indicates that here is where the graph and y-axis connect.The graph has a minimum point at y = -5, which is also the vertex of the graph and the lowest point on it.The graph's domain is set as "All Real" or "(-, )", which signifies that it spans all real values on the x-axis horizontally.Range: The graph's range is defined as y -5, which indicates that it climbs vertically from -5 and above on the y-axis.The graph has an upward-opening form, an axis of symmetry at x = -1, a y-intercept at (0, -3), a minimum point at y = -5 (which is also the vertex), and it spans all real numbers on the x-axis (domain) while being larger than or equal to -5 on the y-axis (range).
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Help me with questions please
Answers
Hope this helped
Each suite has 3 beds and there is a bed side table beside each side of each bed. How many bed side tables are there in all the suites?
Answers
Answer:
8
Step-by-step explanation:
3 + 3 + 2
I need help on this one
Help asp please
Answers
2: (-3,5)
3: (4,-2)
Answer:
(-2, -4)
(-3, 5)
(4, -2)
Step-by-step explanation:
Have a wonderful day! :)
Line A B OR C ?
Please see the picture
Help
Answers
Answer:
\(\left \{ {{-6x-6y=12} \atop {x+6y=-32}} \right.\)
Step-by-step explanation:
note, that (-2)*(3x+3y)=(-2)*(-6) is 6x-6y=12.
Then the system
\(\left \{ {-6x-6y=12} \atop {x+6y=-32}} \right.\)
has the same roots as the system provided above.
Rewrite the function by completing the square.
f(x) = x² – 12x – 29
Answers
Answer:
-6 and -65
Step-by-step explanation:
Solve for v.
2(4v-9)=14
Answers
Answer:
v=4
Step-by-step explanation:
2(4v-9)=14
2*4v 2*9
8v-18=14
+18 +18
8v 32
v=4
sorry if that looks confusing
Enter the ordered pair that is the solution to the system of equations graphed below.
y=3/5x-1
y=x-3
Answers
Answer:
x = 5/2
y = -1/2
Step-by-step explanation:
if both equations start with 'y=' then set the expressions equal to each other
3/5x - 1 = x - 3
add 1 to each side to get:
3/5x = x - 1
subtract 5/5x from each side:
3/5x - 5/5x = -1
-2/5x = -1
multiply each side by -5/2:
x = 5/2
y = 2 1/2 - 3
y = -1/2
price+++++aWhich productis cheaper?+++++ear budshead phones 12 3 4b)price 5 10 15 20
Answers
For the Earbuds:
The price of the earbuds is as shown in the graph below:
Evaluate the slope of the above graph.
The slope of the above graph gives the change in price of earbuds.
Thus,
\(\begin{gathered} \text{slope}=\frac{change\text{ in price of earbuds}}{change\text{ in number of earbuds}}=\frac{8-4}{4-2}=\frac{4}{2} \\ =2 \end{gathered}\)Thus, the price of the earbuds is evaluated to be
\(\begin{gathered} P\text{ = 2x} \\ \text{where} \\ x\text{ is the number of earbuds to be bought} \end{gathered}\)For headphones:
The price of the headphones is as shown in the table below:
The price change in headphones gives the slope.
The slope is thus evaluated to be
\(\begin{gathered} \text{slope}=\frac{change\text{ in price of headphones}}{change\text{ in number of headphones}}=\frac{y_2-y_1}{x_2-_{}x_1}=\frac{10-5}{2-1} \\ =5 \end{gathered}\)Thus, the price of the headphones is evaluated to be
\(\begin{gathered} P=5x \\ \text{where} \\ x\text{ is the number of headphones to be bought} \end{gathered}\)A steeper(higher) slope corresponds to a higher price. Since the slope for the headphone is higher than that of the earbud, we can conclude that the Earbud is a cheaper product.
Given the median QR and trapezoid MNOP, what is the value of X?M3.8033Rکد 73PA. 6B. 19(C. 2D, 5E 7F. Cannot be determined
Answers
SOLUTION
Consider the diagram below
Applying the rule in the diagram above, we have
\(|QR|=\frac{1}{2}(|ON|+|PM|)\)Recall from the questions
\(\begin{gathered} |QR|=33 \\ |ON|=3x-8 \\ |PM|=7x+4 \end{gathered}\)Then we substitute the parameters above into the expression above
\(\begin{gathered} 33=\frac{1}{2}(3x-8+7x+4) \\ \text{ Multiply both sides by 2} \\ 66=3x-8+7x+4 \\ \text{rerrange the terms and simplify } \\ 66=10x-4 \\ \text{collect like terms } \\ 66+4=10x \end{gathered}\)simplify further
\(\begin{gathered} 70=10x \\ \text{divide both sides by 10} \\ x=\frac{70}{10} \\ \text{then} \\ x=7 \end{gathered}\)Therefore the value of x is 7
Therefore the right option is E
a triangle has sides with lengths of 80 centimeters 82 centimeters and 18 centimeters is it a right triangle
Answers
Answer:
yes
Step-by-step explanation:
Guys my main account is gone i dont know why. Am I baned?
Answers
Answer:
Try contacting the Help center located at the bottom part of the home page of this site. It is recoverable as long as no violation committed
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 60%. You would like to be 98% confident that your estimate is within 2.5% of the true population proportion. How large of a sample size is required?
Answers
Answer:
A sample size of 2080 is needed.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of \(\pi\), and a confidence level of \(1-\alpha\), we have the following confidence interval of proportions.
\(\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}\)
In which
z is the zscore that has a pvalue of \(1 - \frac{\alpha}{2}\).
The margin of error is:
\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)
98% confidence level
So \(\alpha = 0.02\), z is the value of Z that has a pvalue of \(1 - \frac{0.02}{2} = 0.99\), so \(Z = 2.327\).
Based on previous evidence, you believe the population proportion is approximately 60%.
This means that \(\pi = 0.6\)
How large of a sample size is required?
We need a sample of n.
n is found when \(M = 0.025\). So
\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)
\(0.025 = 2.327\sqrt{\frac{0.6*0.4}{n}}\)
\(0.025\sqrt{n} = 2.327\sqrt{0.6*0.4}\)
\(\sqrt{n} = \frac{2.327\sqrt{0.6*0.4}}{0.025}\)
\((\sqrt{n})^{2} = (\frac{2.327\sqrt{0.6*0.4}}{0.025})^{2}\)
\(n = 2079.3\)
Rounding up
A sample size of 2080 is needed.
What is the range of function g if g(x)=-2f(x)+1
Answers
The range of g is bounded between 1 - 2M and 1, but it may not include all values in that interval, depending on the range of f.
The range of function g depends on the range of the function f.
Let's start by assuming that we know the range of f.
If the range of f is Rf, then the range of -2f is the set {-2y | y ∈ Rf}, which is just the set of all numbers that can be obtained by multiplying an element of Rf by -2.
Finally, we add 1 to each of these values to get the range of g. Therefore, the range of g is:
Rg = {1 - 2y | y ∈ Rf}
In other words, the range of g is obtained by taking the range of f, multiplying each element by -2, and adding 1 to each result.
If we don't know the range of f, we can still say something about the range of g. Specifically, we know that g(x) can never be greater than 1 (since the largest value that -2f(x) can take is 0, and adding 1 to 0 gives us 1), and g(x) can never be less than 1 - 2M, where M is the largest possible value that f(x) can take on. In other words, the range of g is bounded between 1 - 2M and 1, but it may not include all values in that interval, depending on the range of f.
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Find the missing side lengths, put answer as radical in simplest form
Look at picture for reference
Answers
The value of the missing side lengths x and y are 5√2 and 5 respectively.
What is the value of side length x and y?The figure in the image is a right triangle.
Angle θ = 45 degree
Hypotenuse = x
Opposite to angle θ = y
Adjacent to angle θ = 5
To solve for side x and side y, we use the trigonometric ratio.
Note that:
Cosine = adjacent / hypotenuse
tangent = opposite / adjacent
Solving for x:
Cosine = adjacent / hypotenuse
Plug in the values
cos( 45 ) = 5/x
x = 5 / cos( 45 )
x = 5√2
Solving for side y:
tangent = opposite / adjacent
Plug in the values
tan( 45 ) = y/5
y = tan( 45 ) × 5
y = 5
Therefore, the value of side length x is 5 units.
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What is the image of (-1,-5) after a dilation by a scale factor of 5 centered at the
origin?
Answers
A dilation by a scale factor of 5 centered at the origin simply multplies by 5 the coordinates of every point. So, the new coordinates are (-5, -25)
Use the order of operations to simplify the following expression.
-2 3 + |7| - 4 · 2
-38
-23
-9
-10
Answers
Answer:
-9
Step-by-step explanation:
-2 3 + |7| - 4 · 2
I assume -2 3 means -2^3.
-2^3 + |7| - 4 · 2 =
= -8 + 7 - 8
= -1 - 8
= -9
Answer:
-9
Step-by-step explanation:
-2^ 3 + |7| - 4 · 2
Parentheses first and an absolute value is considered parentheses
-2 ^3 + 7 - 4 · 2
Then exponenets
Since the sign is outside of the exponent it is considered multiplication
-1 * (2^3)+ 7 - 4 · 2
-1 *8 + 7 - 4 · 2
Then multiply
-8 +7 -8
Then add and subtract from left to right
-1-8
-9
A speaker claimed that if the number of factories in the country increases by 3% per annum, then even if they all immediately reduced the amount of pollution they produce by 80%, the total annual pollution will be back to its present level in about 50 years. (Hint use Logarithms)
Answers
Actual time is much longer than the 50-year timeframe suggested by the speaker.
How to verify the statement?
This claim is based on the assumption that the rate of pollution reduction from each factory remains constant at 80%, and the number of factories increases by 3% per annum.
To verify this claim, we can use the following formula to calculate the expected total pollution after n years:
Total pollution after n years = \(Present \: pollution \: level x (1 + 0.03)^n \times (1 - 0.8)^n\)
Here, the first factor represents the increase in pollution due to the growth in the number of factories, and the second factor represents the reduction in pollution due to the 80% reduction in pollution from each factory.
We can set the expected total pollution after n years equal to the present pollution level and solve for n:
\(Present \: pollution \: level = Present \: pollution \: level \times (1 + 0.03)^n \times (1 - 0.8)^n\)
Simplifying this equation, we get:
\(1 = 1.03^n \times 0.2^n\)
Taking the logarithm of both sides of the equation, we get,
\(n \times log(1.03) + n \times log(0.2) = 0 \\ n \times (log(1.03) + log(0.2)) = 0 \\ n = \frac{0} { (log(1.03) + log(0.2))} \\ n = 271.56\)
Therefore, according to this calculation, it would take approximately 272 years for the total annual pollution to return to its present level if the number of factories in the country increases by 3% per annum, and they all immediately reduce the amount of pollution they produce by 80%. This is much longer than the 50-year timeframe suggested by the speaker.
It is important to note that this calculation assumes that the pollution reduction from each factory remains constant at 80% and does not take into account any other factors that may affect pollution levels, such as changes in technology or regulations. Therefore, this should be considered as a rough estimate and not as an exact prediction.
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Correct question is "A speaker claimed that if the number of factories in the country increases by 3% per annum, then even if they all immediately reduced the amount of pollution they produce by 80%, the total annual pollution will be back to its present level in about 50 years. Verify the statement. (use logarithm)"
Ajar contains four blue marbles and two red marbles. Suppose you choose a marble at random, and do not replace it. Then you choose a second marble.
K Find the probability of the following event.
Both of the selected marbles are red.
The probability that both of the selected marbles are red is
(Round to three decimal places as needed.)
Answers
Answer:
1/15 or 0.0667
Step-by-step explanation:
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bardai
chatgpt
red marble on the first draw is 2/6, or 1/3
red marble on the second draw, given that the first marble was red, is 1/5
(1/3) * (1/5) = 1/15
5) Un pedazo de pizza cuesta $30, un jugo cuesta $15. ¿Cuánto de deben sobrar de
$500 al comprar 5 pedazos de pizza y 5 jugos?
Answers
Explicación: 30 por 5 es 150 por la pizza
15 por 5 es 75. 150+75=225.
500-225=275
Answer:
I think it is 275 if you are subtracting
make e the subject
e-5=2f
Answers
Answer:
e-5=2f
take '-5' to the other side where '2f' is
e=2f+5
The table shows the record low temperatures In Juneau, Alaska for each of the 12 months of the year in degrees F.
Record Low Temp
Month
Year
(in °F)
January
-22
1972
February
-22
1968
March
-15
1972
April
6
1963
May
25
1972
June
31
1971
July
18
1895
August
27
1948
September
23
1972
October
11
1984
November
-5
2006
December
-21
1941
According to the data, what is the range of the record low temperatures in Juneau, Alaska?
O A. -22°
OB. 4.67°
D. 31°
E. 539
O c. 8.50
Answers
Answer:
i think -22
Step-by-step explanation:
cual es el opuesto inverso aditivo de 0
Answers
Answer:
14 por qué yo ya lo avía respondido
Step-by-step explanation:
5 estrellas:3
Select the correct answer. Suppose that 3 boys and 2 girls go to the theatre and occupy 5 seats in a row. In how many ways can they be seated if all 3 boys sit together?
Answers
Answer:
Possibly 3
Step-by-step explanation:
Lets say
g=girls
b=boys
1st option: gbbbg
2nd option: bbbgg
3rd option: ggbbb
What is the square root of 100?
Answers
Answer:
10
Step-by-step explanation:
the answer is 10 because 100 divided by 10 is 10
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The square root is 10!