Answer:
x = 7 is not a function--it is a vertical line.
g What is the probability of a diffusing atom jumping from one site to another at 500C and 1000 C
The probability of a diffusing atom jumping from one site to another is influenced by temperature. It is typically described by the Arrhenius equation:
P = \(Ae^{(-Q/RT)}\)
Where:
P is the probability of a jump
A is the pre-exponential factor
Q is the activation energy
R is the gas constant
T is the absolute temperature in Kelvin
To calculate the probability at 500°C and 1000°C, we need to convert these temperatures to Kelvin:
\(T_{500C}\) = 500 + 273.15
= 773.15 K
\(T_{1000C}\) = 1000 + 273.15
= 1273.15 K
Assuming we have values for the pre-exponential factor (A) and activation energy (Q), we can substitute these values into the Arrhenius equation to calculate the probabilities at the given temperatures. However, without specific values for A and Q, we cannot provide a numerical answer.
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Triangle UVW has vertices at U(−2, 0), V(−3, 1), W(−3, 3). Determine the vertices of image U′V′W′ if the preimage is rotated 180° counterclockwise.
U′(0, −2), V′(−1, −3), W′(−3, −3)
U′(0, −2), V′(1, −3), W′(3, −3)
U′(2, 0), V′(3, −1), W′(3, −3)
U′(−1, 0), V′(−3, 0), W′(3, −3)
To determine the vertices of image U′V′W′ after a 180° counterclockwise rotation, we can apply the following transformation rules:
A 180° counterclockwise rotation of a point (x, y) about the origin produces the point (-x, -y).To perform a rotation of a polygon, we apply the transformation rule to each vertex of the polygon.Using these rules, we can find the vertices of image U′V′W′ as follows:
Vertex U(-2, 0) is transformed to U′(0, -2), since (-(-2), -(0)) = (2, 0) becomes (0, -2) after the rotation.Vertex V(-3, 1) is transformed to V′(1, -3), since (-(-3), -(1)) = (3, -1) becomes (1, -3) after the rotation.Vertex W(-3, 3) is transformed to W′(3, -3), since (-(-3), -(3)) = (3, 3) becomes (3, -3) after the rotation.Therefore, the vertices of image U′V′W′ after a 180° counterclockwise rotation are U′(0, -2), V′(1, -3), and W′(3, -3).
So, the answer is option (b) U′(0, −2), V′(1, −3), W′(3, −3).
A worker transferred 50 bags of rice weighing 38 kg 500 g each into a truck. The weight of the empty truck is 1480 kg. What will be the weight of the truck with the bags?
The weight of the truck with the bags is 3405 kg.
A worker transferred 50 bags of rice weighing 38 kg 500 g each into a truck
The weight of the empty truck is 1480 kg.
We have to find the weight of the truck with the bags
The total weight of the rice bags is:
50 bags x 38 kg 500 g/bag = 1925 kg
The weight of the truck with the bags will be:
1925 kg + 1480 kg = 3405 kg
Therefore, the weight of the truck with the bags is 3405 kg.
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Sanjay sold 8kg of sugar at Rs 28 per kg and earned a profit of Rs 40 What was the cost price per kg
Answer:
23
Step-by-step explanation:
8 kg * 28 per kg = Rs. 224
Profit = Rs. 40
CP = SP - Profit
224 - 40
184
184 / 8
23
Camden invested $680 in an account paying an interest rate of 2 1/4% compounded daily. Jayden invested $680 in an account paying an interest rate of 2 5/8% compounded continuously. After 19 years, how much more money would Jayden have in his account than Camden, to the nearest dollar?
Answer:690
Step-by-step explanation:
690
Answer: $3,261.
Step-by-step explanation:
The answer is $3,261. Jayden would have more money in his account than Camden because his account pays a higher interest rate and is compounded continuously, which allows more frequent compounding of interest. This means that Jayden's account accumulates more interest than Camden's account over time.
Can someone help me with this please?
Answer:
Solution given:
<J=90°[tangent to the circle is perpendicular to radius]
In right angled triangle ∆KJL
base[b]=10
hypotenuse [h]=x+10
perpendicular [p]=24
by using Pythagoras law
p²+b²=h²
24²+10²=(x+10)²
(x+10)²=676
x+10=√676
x=26-10
x=16
Find the largest number δ such that if |x − 1| < δ, then |2x − 2| < ε, where ε = 1.
δ ≤
Repeat and determine δ with ε = 0.1.
δ ≤
If ε = 1, the maximum value of δ that satisfies the condition |x - 1|. satisfied <; δ means |2x - 2| <; ε is δ ≤ 0.5. For ε = 0.1, the maximum value of δ that satisfies the condition is δ ≤ 0.05 for largest number.
We need to find the maximum value of δ such that |x - 1|. Applies <; δ, then |2x - 2| <; e.
If \(ε = 1\):
We begin by analyzing the inequality |2x - 2|. <; 1. Simplify this inequality to -1 <. 2x - 2 <; 1. Add 2 to all parts of the inequality and you get 1 <. 2x < 3. Dividing by 2 gives 0.5 < × < 1.5. Since the difference between the upper and lower bounds is 1, the maximum value of δ is 0.5.
If \(ε = 0.1\):
Apply the same procedure to the inequality |2x - 2|. Simplifying to < by 0.1 gives -0.1 <. 2x - 2 <; Add 2 to every part of 0.1 and you get 1.9 <. 2x < 2.1. Divide by 2 to get 0.95 <. × < 1.05. The difference between the upper and lower bounds is 0.1, so the maximum value of δ is 0.05.
Therefore, \(ε = 1 δ ≤ 0.5 and ε = 0.1 δ ≤ 0.05\).
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The equation P=3s represents the perimeter P of an equilateral triangle with side length s. What is the perimeter of an equilateral triangle with side length 6 mi ?
The Perimeter of equilateral triangle with side length 6 mi is given by 18 meter.
Given the equation is, P = 3s
where P is the perimeter of equilateral triangle with side length of s.
Now given that the side length of triangle is 6 mi.
So, s = 6 mi
Thus, the perimeter of such triangle is, P = 3*6 = 18 mi.
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At night, the temperature in the fall in lowa is 35°F. During the day, the temperature rises 23°F.
What is the temperature in lowa during the day?
Answer:
58˚F
Step-by-step explanation:
35 + 23 = 58
I hope this helps, have a nice day! :)
what is 2.16666666667 as a whole number
in what situation does an ARIMA model a decided advantage over standard regression models O All of the other options. when we don't know the independent variables of the variable to be forecast when we can't find the past pattern of the variable to be forecast. when we already know the independent variables of the variable to be forecast
The situation in which an ARIMA (Autoregressive Integrated Moving Average) model has a decided advantage over standard regression models is when we don't know the independent variables of the variable to be forecast. In this case, ARIMA models can capture the time series patterns and dynamics of the variable without relying on specific independent variables.
ARIMA models are particularly useful when dealing with time series data where the relationship between variables may not be well understood or when the data lacks a clear set of independent variables that can explain the variation in the variable to be forecasted. By incorporating lagged values and differencing to capture autocorrelation and stationarity in the data, ARIMA models can provide accurate forecasts without the need for explicit knowledge of independent variables.
In contrast, standard regression models require knowledge of the independent variables and their relationships with the dependent variable. These models assume a linear relationship and rely on the availability and quality of relevant independent variables. If the independent variables are unknown or difficult to determine, ARIMA models offer a more flexible and data-driven approach to forecasting, making them advantageous in such situations.
Overall, the advantage of ARIMA models lies in their ability to capture and forecast time series data without the need for explicit knowledge of independent variables, making them suitable for scenarios where independent variables are unknown or difficult to ascertain.
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2. 2/5 Kilogram of Soil Alls I of a container. Can 1 kilogram of soil fit in the contalner? Explain or show your reasoning.
1 kilogram of soil fit into 5/6 of the container and hence fit into the container.
What is Proportion?Proportions are defined as the concept where two or more ratios are set to be equal to each other.
Suppose we have two ratio p : q and r : s.
If both these ratios are proportional, then we can write it as p : q = r : s or p/q = r/s.
Given that, 2/5 kilograms of soil fit into 1/3 of a container.
Let x be the volume of container taken to fit 1 kilogram of the soil.
Using the concept of proportion,
2/5 : 1 = 1/3 : x
This can also be written as,
(2/5) / 1 = (1/3) / x
Doing the cross multiplication,
2/5 x = 1/3
x = (1/3) × (5/2)
x = 5/6
So 1 kilogram of soil takes 5/6 of the container, so it can be fit.
Hence 1 kilogram of soil can be fit in to the container.
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Your question is incomplete. Probably the correct question is attached below.
What is the integrated rate law for a 1st order reaction?
A company expects that the number N(x) of a product sold during a week is related to the amount spent on advertising by the function N(x)=-6x3+180x²+2250x + 13,000, where x (with 0 ≤x≤25) is the amount spent on advertising in thousands of dollars. What is the point of diminishing returns?
The point of diminishing returns is
(Simplify your answer. Type an ordered pair. Do not use commas in the individual coordinates.)
The point of diminishing returns is (20.98, 21247.3).
The point of diminishing returns occurs when the marginal cost of producing an extra unit of output exceeds the marginal revenue generated from selling that unit. Mathematically, it is the point at which the derivative of the production function equals zero and the second derivative is negative.
Given the polynomial function N(x) of degree 3, we can find the point of diminishing returns by finding the critical points where the first derivative equals zero and evaluating the second derivative at those points.
The derivative of N(x) is N'(x) = -18x² + 360x + 2250. To find the critical points, we set N'(x) = 0:
0 = -18x² + 360x + 2250
Dividing by -18 simplifies the equation:
0 = x² - 20x - 125
Using the quadratic formula, we find the solutions to the equation:
x₁,₂ = (20 ± √(20² - 4(1)(-125))) / 2(1)
x₁,₂ = 10 ± 5√5
Thus, the two critical points of N(x) are at x = 10 - 5√5 and x = 10 + 5√5.
To determine the point of diminishing returns, we evaluate the second derivative N''(x) = -36x + 360 at these critical points:
N''(10 - 5√5) = -36(10 - 5√5) + 360 ≈ -264.8
N''(10 + 5√5) = -36(10 + 5√5) + 360 ≈ 144.8
From the evaluations, we find that N''(10 + 5√5) is negative while N''(10 - 5√5) is positive. Therefore, the point of diminishing returns corresponds to x = 10 + 5√5.
To find the corresponding y-coordinate (N(10 + 5√5)), we can substitute the value of x into the original function N(x).
Hence, the point of diminishing returns is approximately (20.98, 21247.3).
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simplify –4b + 8c + 12 – 8b – 2c + 6
Answer:
\(-12b + 6c + 18\)
Step-by-step explanation:
The key to answering this question is combining like terms. Add or subtract the terms that have the same variable.
1) Let's start with finding all the terms that have a b and combine them - those terms would be -4b and -8b. Add their coefficients (the numbers in front of the variable).
\(-4b + 8c + 12 - 8b - 2c + 6 \\= -12b + 8c + 12 - 2c + 6 \\\)
2) Next, let's do the same with all the terms that have a c. In this case, those terms would be 8c and -2c. So, add their coefficients too:
\(-12b + 8c + 12 - 2c + 6 \\\\= -12b + 6c + 12 + 6\)
2) Finally, combine the constants (the terms with no variables). Those numbers would be 12 and 6.
\(-12b + 6c + 12 + 6\\= -12b + 6c + 18\)
Thus, the answer is \(-12b + 6c + 18\).
(7x²y³ + 4x³y² - y²) - (-2x³y² – 3x²y³ + 6y²)
Therefore , the solution of the given problem of expressions comes out to be the formula is 4x³y² + 10x²y³ - 7y².
What is an expression ?Instead of using estimates produced at random, it is better to use shifting integer variables that can be rising, reducing, or blocking. They could only help one another by sharing tools, information, or solutions to issues. The justifications, elements, and mathematical remarks for techniques like additional disapproval, manufacture, and mixture may be included in a statement of truth equation.
Here,
All terms enclosed in brackets must have their signs changed in order to subtract the equation from the first expression:
=> (7x²y³ + 4x³y² - y²) - (-2x³y² – 3x²y³ + 6y²)
=> 7x²y³ + 4x³y² - y² + 2x³y² + 3x²y³ - 6y²
We can now mix similar terms:
=> 4x³y² + 10x²y³ - 7y²
As a result, the formula is 4x³y² + 10x²y³ - 7y².
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Find the measure of an angle such that the sum of its complement and its supplement is 220o.
a.
The angle is 25o.
b.
The angle is 35o.
c.
The angle is 20o.
d.
The angle is 30o.
The angle is 25 degrees
How to determine the angle?Let the measure of the angle be x
So, we have
Complement = 90 - x
Supplement = 180 - x
The sum is 220
So, we have
90 - x + 180 - x= 220
Evaluate the sum
-2x + 270 = 220
Solve for x
x = 25
Hence, the angle is 25 degrees
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Find X
Please and thank you!
x=28
Step-by-step explanation:
angle bisector splits the angle through the middle
so we can say both equations are equal so you can solve 2x-15=1x+13
Step-by-step explanation:
✧ \( \underline{ \underline{ \large{ \tt\red{G \: I \: V \: E \: N}}}} : \)
JM is an angle bisector of ∠ ZJF.∠ ZJM = (2x - 15)° , ∠ MJF = ( 1x + 13 ) °❅ \( \underline{ \underline{ \large{ \tt{ \purple{T \: O \: \: F \: I \: N\: D}}}}} : \)
Value of x☄ \( \underline{ \underline{ \large{ \orange{ \tt{S\: O \: L \: U \: T \: I \: O \: N}}}}} : \)
~Set up an equation & solve for x :
☃ \( \large{ \bf{(2x - 15 ) \degree= ( 1x + 13) \degree }}\)
[ Since JM is a angular bisector of ∠ ZJF , ∠ ZJM = ∠ MJF ]
~ Move 1x to left hand side and change it's sign. Likewise , Move 15 to right hand side and change it's sign
⟶ \( \large{ \bf{2x -1x = 13 + 15}}\)
⟶ \( \boxed{ \large{ \bf{x = 28 \degree}}}\)
☂ \( \boxed{ \boxed{ \underline{ \underline{ \large{ \bold{ \pink{ \tt{Our \: Final \: Answer : \boxed{ \bold{ \red{x = 28 \degree}}}}}}}}}}}\)
♨ \( \underline{ \text{HOPE \: I\: HELPED}}\) !! ♡
♪ \( \underline{ \underline{ \text{HAVE \: A \: WONDERFUL \: DAY / \: NIGHT}}}\)♕
☛ \( \underbrace{ \overbrace{ \mathfrak{Carry \: On \:Learning}}}\) ✎
▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁
two stars (a and b) have the same declination. star a has a right ascension of 5h while star b has a right ascension of 2h. which star rises first?
Answer:
Step-by-step explanation:
The rising time of a star depends on its right ascension and the latitude of the observer.
In this case, since both stars have the same declination, their altitude above the horizon at any given time will be the same. Therefore, the star with the smaller right ascension will rise first.
Since star A has a right ascension of 5h and star B has a right ascension of 2h, star B will rise first. This is because the Earth rotates from west to east, causing the stars to appear to move from east to west in the sky. As a result, stars with smaller right ascensions will appear to rise earlier in the east than those with larger right ascensions.
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what is the answer?
Answer:
30
Step-by-step explanation:
There is a volleyball with a diameter of 8. 5 in. And a golf ball with a diameter of 1. 68 in. Find how many times greater the volume of the volleyball is as that of the golf ball.
It is about 85. 2 times greater.
It is about 129 times greater.
It is about 25. 6 times greater.
It is about 13. 1 times greater.
The volume of the volleyball is about 120 times greater than that of the golf ball rounding to the nearest number we get the exact value of 129 times greater. Thus, option B is correct.
Diameter of Volleyball = 8.5 in
Diameter of Golfball = 1.68 in
The volume of a sphere is calculated by using the formula,
V = (4/3) * π * \(r^{3}\)
Volume of volleyball = (4/3) * π * \((4.25)^3\)
The volume of the volleyball = 635.5 cubic inches
Volume of golf ball = (4/3) * π * \((0.84)^3\)
The volume of the golf ball = 0.61 cubic inches
The ratio of the volume of the volleyball to that of the golf ball is:
volleyball / golf ball = 635.5 / 0.61 = 120
Therefore, we can conclude that the volume of the volleyball is about 120 times greater than that of the golf ball.
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The complete question is:
There is a volleyball with a diameter of 8. 5 in. And a golf ball with a diameter of 1. 68 in. Find how many times greater the volume of the volleyball is than that of the golf ball.
a. It is about 85. 2 times greater.
b. It is about 129 times greater.
c. It is about 25. 6 times greater.
d. It is about 13. 1 times greater.
Solve the equation. Check your solutions.
∣2x+1∣=∣3x−11∣
To solve this equation, we need to consider two cases, one where 2x + 1 is positive and another where it is negative. We will then solve for x in each case and check our solutions to make sure they satisfy the original equation.
Case 1: 2x + 1 ≥ 0
In this case, we have:
|2x + 1| = 2x + 1
and
|3x - 11| = 3x - 11
Substituting these expressions into the original equation, we get:
2x + 1 = 3x - 11
Solving for x, we get:
x = 12
Checking our solution, we have:
|2x + 1| = |2(12) + 1| = 25
and
|3x - 11| = |3(12) - 11| = 25
Therefore, x = 12 is a valid solution to the equation.
Case 2: 2x + 1 < 0
In this case, we have:
|2x + 1| = -(2x + 1) = -2x - 1
and
|3x - 11| = -(3x - 11) = -3x + 11
Substituting these expressions into the original equation, we get:
-2x - 1 = -3x + 11
Solving for x, we get:
x = -10
Checking our solution, we have:
|2x + 1| = |2(-10) + 1| = 21
and
|3x - 11| = |3(-10) - 11| = 41
Therefore, x = -10 is not a valid solution to the equation.
Therefore, the only solution to the equation |2x + 1| = |3x - 11| is x = 12.
Find each of the numbers below. Simplify your answers as much as possible.
The opposite of -4:
The opposite of 8:
The opposite of the opposite of – 2:
Answer:
a. 4
b. -8
c. -2
Step-by-step explanation:
Take any number x;
Its opposite is -x
The opposite of its opposite is x
Using the above statements, we can solve the following questions
Solving (a): -4
In this case:
\(x = -4\)
The opposite; -x is
\(-x = -(-4)\)
\(-x = 4\)
Solving (b): 8
In this case:
\(x = 8\)
The opposite; -x is
\(-x = -8\)
Solving (c): -2
In this case:
\(x = -2\)
The opposite; -x is
\(-x = -(-2)\)
\(-x = 2\)
The opposite; -(-x) is
\(-(-x) = -2\)
\(x = -2\)
Nathan invested $75,000 in an account paying an interest rate of 6. 8% compounded
continuously. Assuming no deposits or withdrawals are made, how long would it
take, to the nearest tenth of a year, for the value of the account to reach $182,800?
Assuming no deposits or withdrawals are made, the time it would take for the value of the account to reach $182,800 is 13.5 years.
Compound interest refers to the amount of interest added on the principal amount plus interest. The formula for compound interest is:
B = P(1 + r/n)^t
where B is the ending balance, P is the principal amount or original balance, r is the interest rate in decimal form, n = number of times interest is compounded monthly, and t is the time in number of months
Based on the given information, t is the unknown and
B = $182,800
P = $75,000
r = 6.8% = 0.068
n = 1
Plug in the values and solve for the time it would take for the value to reach $182,800.
B = P(1 + r/n)^t
$182,800 = $75,000(1 + 0.068/1)^t
$182,800 = $75,000(1.068)^t
(1.068)^t = $182,800 / $75,000
(1.068)^t = 914/375
t = 13.5 years
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Two airlines each made 30 flights. The dot plots shown compare
how many minutes the actual arrival times were before or after
the scheduled arrival times of these flights.
Negative numbers represent the minutes the flight arrived before its scheduled time.
Positive numbers represent the minutes the flight arrived after its scheduled time.
Zero indicates the flight arrived at its scheduled time.
Assuming you want to arrive as close to the scheduled time as possible, from which
airline should you buy your ticket? Justify your response by addressing both the
measures of center and spread of the distributions.
Answer: Airline P since the median is lower and the SDR is lower
Step-by-step explanation:
Any Suggestions on what to do here? I already restarted my PC twice, cleared my browsing data, and rebooted the wifi network....
Oh yea and whats 5 to the square root of 625
Answer:
Use a factor tree. For example, 625 = 5 x 125 = 5 x 5 x 25 = 5 x 5 x 5 x 5. Because there are 4 fives, and we are looking for the square root, (5 x 5) (5 x 5) = 625. Therefore the square root of 625 is 25.
Determine the number of solutions for the equation shown below.
4 X+6 = 4x + 6
O A. 2
B. Infinitely many
O C. 1
O D.O
Answer:
x+6=4x+6
3x=0
x=0
the answer is 0 have a great day
A quadratic function, f(x) = x2 + bx + 9, is such that there is only one real root. Which of the following are possible values of b?
I. b = 2
II. b = 6
III. b = -6
IV. b = -2
A. I, II, III, and IV
B. I and IV only
C. II and III only
D. I only
Answer:
C
Step-by-step explanation:
Remember that we can use the discriminant to determine the amount of roots that a quadratic function has.
If the determinant equals 0, then we only have one real root.
Our function is given by:
\(f(x)=x^2+bx+9\)
Then the discriminant will be:
\(\Delta = b^2-4(1)(9)=b^2-36\)
We only have one real root, thus our discriminant must be 0:
\(0=b^2-36\)
Solve for b:
\(b^2=36\)
Thus:
\(b=\pm 6\)
The answer is both II and III.
The final answer, then, is C.
HELP ME PLEASEEEEE!!!
Answer: Because if there are 2 minus signs next to each other, it is automatically a plus sign
Answer:
that's because a negative plus a negative equals a positive
Step-by-step explanation:
When you have two negative signs, one turns over, and they add together to make a positive. If you have a positive and a negative, there is one dash left over, and the answer is negative.
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What is the solution to the equation 20=y/(-2)+2
Answer:
y= - 36
........................................................