Answer:
4920 words in 1 hour
Step-by-step explanation:
164 words/2 minutes x 30 minutes= 4920 words in 1 hour
"Matlab
The gradient method was used to find the minimum value of the
function north
f(x,y)=(x^2+y^2−12x−10y+71)^2 Iterations start at the point
(x0,y0)=(2,2.6) and λ=0.002 is used. (The number λ"
1) The first iteration, n, turns out to be (x1, y1) = ( , ).
2) If the second iteration, n, is (x2, y2) = ( , ).
To find the values of (x1, y1) and (x2, y2), we need additional information or the specific steps of the gradient method applied in MATLAB. The gradient method is an optimization algorithm that iteratively updates the variables based on the gradient of the function. Each iteration involves calculating the gradient, multiplying it by the learning rate (λ), and updating the variables by subtracting the result.
3) After s many iterations (and perhaps changing the value of λ to achieve convergence), it is obtained that the minimum is found at the point (xopt, yopt) = ( , ).
To determine the values of (xopt, yopt), the number of iterations (s) and the specific algorithm steps or convergence criteria need to be provided. The gradient method aims to reach the minimum of the function by iteratively updating the variables until convergence is achieved.
4) The value of the minimum, once the convergence is reached, will be determined by evaluating the function at the point (xopt, yopt). The specific value of the minimum is missing and needs to be provided.
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the complete question is:
Matlab The Gradient Method Was Used To Find The Minimum Value Of The Function North F(X,Y)=(X^2+Y^2−12x−10y+71)^2 Iterations Start At The Point (X0,Y0)=(2,2.6) And Λ=0.002 Is Used. (The Number Λ Is Also Known As The Size Or Step Or Learning Rate.) 1)The First Iteration N Turns Out To Be (X1,Y1)=( , ) 2)If The Second Iteration N Is (X2,Y2)=( ,
Matlab
The gradient method was used to find the minimum value of the function north
f(x,y)=(x^2+y^2−12x−10y+71)^2 Iterations start at the point (x0,y0)=(2,2.6) and λ=0.002 is used. (The number λ is also known as the size or step or learning rate.)
1)The first iteration n turns out to be (x1,y1)=( , )
2)If the second iteration n is (x2,y2)=( , )
3)After s of many iterations (and perhaps change the value of λ to achieve convergence), it is obtained that the minimum is found at the point (xopt,yopt)=( , );
4)Being this minimum=
Hello,
can F distribution ever be symmetric? What if we have df1=df2?
Explanation would be appreciated, thank you!
The F distribution is generally not symmetric; however, there is an exception when the degrees of freedom (df) in both the numerator (df1) and denominator (df2) are equal.
The F distribution is typically skewed to the right, meaning it has a longer tail on the right side. This asymmetry is due to the nature of the distribution and the fact that the values of the F statistic cannot be negative.
However, when the degrees of freedom in both the numerator and denominator are equal (df1 = df2), the F distribution becomes symmetric. This occurs because the variability between the groups (numerator) is equal to the variability within the groups (denominator), resulting in a balanced distribution. In this specific case, the F distribution resembles a symmetric bell-shaped curve.
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Drag the tiles to the correct boxes to complete the pairs.
Simplify the mathematical expressions to determine the product or quotient in scientific notation. Round so the first factor goes to the tenths
place
#CARRYONLEARNING
..LOVEUALL...
Answer:
The answer is in the screenshot.
Step-by-step explanation:
PLEASE HELP!!
IMAGE BELOW
Answer:
0=2pi/3 or another way of writing I is 0= 120°+360°×n
the police department is investigating the need for a speed camera to be implemented on swift road. a sample of 61 cars passing through that road on a particular day were randomly selected and their speeds recorded. the speed limit on swift road is 60 miles per hour (mph). the mean speed for the sample was calculated as 40 mph. the standard deviation of the speeds for the sample was calculated as 6 mph. the standard deviation for the population of cars driving on swift road is unknown.
(a) Approximate the population standard deviation (?) with the sample standard deviation (s).
Approximate the standard normal distribution with the Student's t distribution.
(b) The lower bound is 40.35 and the upper bound is 41.65.
(a) Approximate the population standard deviation (?) with the sample standard deviation (s).
Approximate the standard normal distribution with the Student's t distribution.
(b) The degree of freedom =n-1=60-1=59
Given a=0.1, t(0.05, df=59) =1.67 (from student t table)
So the lower bound is
xbar -t*s/vn = 41 -1.67*3/sqrt(60) =40.35
So the upper bound is
xbar +t*s/vn = 41 +1.67*3/sqrt(60) =41.65
The standard deviation is a statistical metric that determines how much a bunch of values deviate from the mean. Simply said, standard deviation quantifies the distance between integers in a data collection. The square root of the variance is used to construct this measure.
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Ignoring unwritten factors of 1, what is the sum of the numerical factors in the expression below?
−4(x−2)+(x−2)7−(x+5)(x−2)+(x−2)9+(−3)(x−2)
Answer:
Ignoring unwritten factors of 1, what is the sum of the numerical factors in the expression below?
−4(x−2)+(x−2)7−(x+5)(x−2)+(x−2)9+(−3)(x−2)
(1 point)
Step-by-step explanation:
The sum is 5
What is the surface area of this wedge ?
Answer: 84 ft^2
Step-by-step explanation:
The whole prism can be divided into 5 surfaces.
Two triangles and 3 rectangles.
Find the area of each of the 5 shapes and add them together.
The triangle has a base of 4 and a height of 3.
Area of triangle 1: A= 4*3 * 1/2
A = 6
Area of triangle 2: A = 4*3 * 1/2
A = 6
Area of rectangle 1 : A= 4*6
A = 24
Area of rectangle 2; A = 3*6
A = 18
Area of rectangle 3: A= 5 *6
A = 30
Now add the areas together
6 + 6 + 24 + 18 + 30 + = 84 ft^2
Answer:
84
Step-by-step explanation:
A parallelogram-shaped garden has an area of 42 square yards and a height of 6 yards. What is the base?
Answer:
7 yd
Step-by-step explanation:
42/6= 7
Customers arrive at a video rental desk at the rate of 12 per minute(Poisson).Each server can handle 8.15 customers per minute(Poisson). If there are 3 servers, determine the average time it takes to rent a video tape. a. 0.085 minutes b. 0.219 minutes C. 0.018 minutes d. 0.141 minutes
The average time it takes to rent a video tape is 0.141 minutes.
Given data:Customers arrive at a video rental desk at the rate of 12 per minute(Poisson).
Each server can handle 8.15 customers per minute(Poisson). If there are 3 servers, we need to determine the average time it takes to rent a video tape.
Let us assume λ = 12 and μ = 3 × 8.15 = 24.45
Average time it takes to rent a video tape = 1 / (μ - λ/n)
Where, n = number of servers⇒ Average time it takes to rent a video tape = 1 / (24.45 - 12/3)⇒ Average time it takes to rent a video tape = 1 / 8.45⇒ Average time it takes to rent a video tape = 0.1185 minutes = 0.141 rounded to three decimal places.
Thus, the average time it takes to rent a video tape is 0.141 minutes.
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What is the radius of a circle whose circumference is 1611?
Answer:
256.4
Step-by-step explanation:
This is Rylan from yesterday
6 out of the 60 employees at the sports shop are part-time employees. What percentage of the employees at the sports shop work part-time?
Percentage of part time employees = (part-time employees/total employees) * 100 = (6/60) * 100 = 1/10 * 100 = 10%
A sandwich is 2 12 feet long. You decide to cut the sandwich into pieces that are 1 14 feet long. How many pieces will you cut?
Answer:
2 pieces
Step-by-step explanation:
2 1/2-1 1/4=1 1/4, so 2
Solve the initial value problem y"-10y'+50y=0 for y(O)=1 and y'(O)=5. After getting the equation for the particular solution, determine the value of y when x=1.52. Note: SOLVE CONTINUOUSLY. Input numerical values only. Round your answer to two decimal places if the answer is not a whole number. Example: If your answer is 28.3654, input 28.37 If your answer is 28.3641, input 28.36
The given initial value problem is a second-order linear homogeneous differential equation. To solve it, we first find the characteristic equation by substituting y = e^(rx) into the equation. This leads to the characteristic equation r^2 - 10r + 50 = 0.
The general solution of the differential equation is y(x) = e^(5x)(C₁cos(5x) + C₂sin(5x)), where C₁ and C₂ are constants determined by the initial conditions.
To determine the particular solution, we differentiate y(x) to find y'(x) = e^(5x)(5C₁cos(5x) + 5C₂sin(5x) - C₂cos(5x) + C₁sin(5x)), and then differentiate y'(x) to find y''(x) = e^(5x)(-20C₁sin(5x) - 20C₂cos(5x) - 10C₂cos(5x) + 10C₁sin(5x)).
Substituting the initial conditions y(0) = 1 and y'(0) = 5 into the general solution and its derivative, we obtain the following equations:
1 = C₁,
5 = 5C₁ - C₂.
Solving these equations, we find C₁ = 1 and C₂ = 4.
Therefore, the particular solution to the initial value problem is y(x) = e^(5x)(cos(5x) + 4sin(5x)).
To find the value of y when x = 1.52, we substitute x = 1.52 into the particular solution and evaluate it. The result will depend on the rounding instructions provided.
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Find the area of the figure
Answer:
A = 76.912Step-by-step explanation:
Area of triangle with angle of 30°:
\(A_1=\frac12\cdot 5^2\cdot\sin(30^o)=\dfrac{25}4=6.25\)
Area of triangle with angle of 50°:
\(A_2=\frac12\cdot 5^2\cdot\sin(50^o)=\dfrac{25}2\cdot0.766=9.575\)
Area of the rest of the figure:
\(A_3=\dfrac{(360-30-50)^o}{360^o}\cdot\pi\cdot5^2=\dfrac79\cdot\pi\cdot25 =61.087\)
Therefore:
\(A=A_1+A_2+A_3=6.25+9.575+61.087=76.912\)
The price of chicken breast rises from $3.30 per pound to $3.63 per pound. In response to this price change, the quantity demanded for chicken breast falls by 40%. The absolute value of the price elasticity of demand for chicken breast is and the price elasticity of demand is a) 4.2; inelastic b) 4,2; clastic c) 0.24 : inelastic d) 0.24; elastic
The absolute value of the price elasticity of demand for chicken breast is and the price elasticity of demand is 4.25 elastic. Thus, option b is correct.
We are given that the price of chicken breast rises from $3.30 to $3.63 per pound, which is a 20% increase:
Price elasticity = percent change in quantity/percent change in price
percent change in price = (3.63 - 3.30) / 3.30
percent change in price = 0.09 = 9%
We are also given that the demand for chicken breast falls by 40%, which is a 40% decrease:
percent change in quantity demanded = -40%
Using these values in the formula, we get:
Price elasticity of demand = (-40%) / (9%)
Price elasticity of demand = -9 %
Since we are interested in the absolute value of the price elasticity of demand, we have:
|Price elasticity of demand| = |-4.25| = 4.25
A price elasticity of demand greater than 1 is considered elastic, and a price elasticity of demand less than 1 is considered inelastic.
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According to the food web, which organisms compete with the Zebra Mussel for food
Answer:
Mollusks
Step-by-step explanation:
This ain't math but you lucky I took marine biology.
Nyasia had 16 M&M’s on her desk. She had 2 groups of M&M’s
with x amount in each, and another group with 4 M&M’s. How
many M&M’s were in the identical groups?
Answer:
7
Step-by-step explanation:
total mnm 16
group 1= 4 mnm
group 2= x mnm
group 3= x mnm
group 1+ group 2+ group 3= 16
4+ x+x=16
2x= 16-4
x= 14/2
x=7
Cleveland is -10°F. On the same morning, the temperature in Chicago is higher than the
temperature in Pittsburgh. Which statement explains what the temperature in Chicago could
be?
The temperature in Chicago could be -12°F because -12 is to the left of -13 on a number line.
The temperature in Chicago could be -10°F because -10 is to the right of -13 on a number line.
The temperature in Chicago could be -15°F because -15 is to the right of -13 on a number line.
The temperature in Chicago could be -9°F because -9 is to the left of -13 on a number line.
The statement which explains what the temperature in Chicago could be is; The temperature in Chicago could be -12°F because -12 is to the left of -13 on a number line. option A
TemperatureTemperature refers to the degree of hotness or coldness of a person or place at a particular time. The instrument used to measure temperature is thermometer. The units of temperature are celsius (°C), Fahrenheit (°F) and Kelvin (°K)
Claveland = -10°FChicago = temperature higher than PittsburghCheck all that applies:
The temperature in Chicago could be -12°F because -12 is to the left of -13 on a number line.
True: -12 is to the left of -13 on a number line.The temperature in Chicago could be -10°F because -10 is to the right of -13 on a number line.
False; -10 is to the left of -13 on a number line.The temperature in Chicago could be -15°F because -15 is to the right of -13 on a number line.
False: -15 is to the left of -13 on a number line.The temperature in Chicago could be -9°F because -9 is to the left of -13 on a number line.
False: -9 is to the right of -13 on a number line.Therefore, the statement which explains what the temperature in Chicago could be is; The temperature in Chicago could be -12°F because -12 is to the left of -13 on a number line. option A
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please help answer whole thing
Answer:
table Alysaa
9 : 2.5
18 : 5
27 : 7.5
36 : 10
table Brian
12 : 4
24 : 8
36 : 12
2. Alyssa will need 10 gallons of water
3. Brian will need 12 gallons of water
4. Brian's recipe requires more water
빠IHO
4. Find 39% of 65.
What is the answer
11/12 times 7 equals what in a fraction
Answer: 77/12
Step-by-step explanation:
1) 11/12 * 7 = (11*7)/12 = 77/12
PROJECT: RELIABLE FINANCIAL INFORMATION, I need help with this pleaseee , im giving 80 points
Ratio analysis is the best way to ensure reliable financial information, as it allows investors to evaluate the financial strength of a company and the reliability of its financial information by calculating ratios such as the current ratio, quick ratio, and debt-to-equity ratio.
Reliable financial information is information that is accurate and up-to-date. It is the foundation of any investor’s decision-making process, as it allows them to make informed decisions. One of the best ways to ensure reliable financial information is to perform a ratio analysis. Ratio analysis is the process of evaluating financial information by calculating ratios such as the current ratio, quick ratio, and debt-to-equity ratio.
The current ratio is calculated by dividing a company’s current assets by its current liabilities. This ratio measures a company’s ability to pay its short-term obligations. The quick ratio is calculated by dividing a company’s current assets minus inventory by its current liabilities. This ratio measures a company’s ability to pay its short-term obligations without having to sell its inventory. The debt-to-equity ratio is calculated by dividing a company’s total liabilities by its total number. This ratio measures how much debt a company has relative to its equity.
By looking at these ratios, investors can get an idea of the financial strength of a company and the reliability of its financial information. The higher the ratios, the more reliable the financial information is likely to be
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Complete question:
How can investors ensure reliable financial information?
Suppose the heights of the members of a population follow a normal distribution. If the mean height of the population is 72 inches and the standard deviation is 3 inches, 68% of the population will have a height within which range? A. 59 inches to 71 inches B. 53 inches to 77 inches C. 62 inches to 68 inches D. 56 inches to 74 inches
68% of the population will have a height within the range of 69 inches to 75 inches. None of the provided options match this range.
Calculating Range using Mean and Standard DeviationIn a normal distribution, approximately 68% of the values fall within one standard deviation of the mean.
Given:
mean height = 72 inches
standard deviation = 3 inches,
We can determine the range within which 68% of the population's heights will fall.
To calculate this range, we subtract and add one standard deviation from the mean:
Lower bound: Mean - Standard Deviation
= 72 - 3
= 69 inches
Upper bound: Mean + Standard Deviation
= 72 + 3
= 75 inches
Therefore, 68% of the population will have a height within the range of 69 inches to 75 inches.
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Determine if the lines are parallel, perpendicular or neither.
y= -4x - 2 and 12x + 3y = 27
Jason is collecting coins from different countries around the world. He currently has coins from 99 countries and plans to add 4 new countries to his coin collection each week. At this rate how many weeks (w) will it take Jason to have coins from all 195 countries?
Equation:
Solution:
Final Answer:
???
The number of weeks that it will take Jason to have coins from all 195 countries is 24 weeks.
How to calculate the equation?It should be noted that an equation is simply used in Mathematics to show the relationship the exist between different variables.
Let the number of weeks be represented by w.
Therefore, based on the information, the appropriate equation will be:
99 + (4 × w) = 195
99 + 4w = 195
4w = 195 - 99
4w = 96
Divide
w = 96/4
w = 24
Therefore, based on the calculation illustrated above, the number of weeks that it will take Jason to have coins from all 195 countries is 24 weeks.
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If the length of an aqueduct is to be 3000 meters, what will be drop at the end destination if the slope is 0.5%?
The drop at the end destination of the aqueduct would be 15 meters.
To see why, we can use the formula:
drop = slope * length
where the slope is given as 0.5% (or 0.005 as a decimal) and the length is given as 3000 meters.
So,
drop = 0.005 * 3000 = 15
Therefore, the drop at the end destination of the aqueduct would be 15 meters.
Which of the following exponential regression equations best fits the data shown below?
X -4 -3 -2 -1 0 1 2 3 4
y 0.01 0.04 0.16 0.75 5 16 65 276 1251
OA. y = 2.08 -2.61^x
OB. y= 3.53 4.37^x
O C. y=6.37.5.02^x
OD. y= 7.13 6.09^x
Answer:
B. 3.53*4.37^x
Step-by-step explanation:
See attached graph.
The exponential regression equations that best fits the data is y = 3.53(4.37)ˣ
What is exponential regression equation?The equation of an exponential regression model takes the following form: y = abˣ where: y: The response variable x: The predictor variable a, b: The regression coefficients that describe the relationship between x and y.
Given is a table, we need to determine the exponential regression equation, for the same,
So,
The general exponential regression equations is, y = abˣ
where, a is initial value and b is growth factor.
Using graph calculator, we get,
a = 3.53
b = 4.37
Put the value of a and b in general equation, to find the exponential regression equation.
y = 3.53(4.37)ˣ
Hence the option B is correct.
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find the value of k for which the constant function x(t) = k is a solution of the differential equation . 4t^3 dx/dt + 2x - 2 =0
As per the differential equation, the value of k for which the constant function is 1.
The term called differential equation in math is defined as an equation which contains one or more terms and the derivatives of one variable
Here we know that the differential equation is
=> 4t³ dx/dt + 2x - 2 = 0
Here we have also know that x(t) = k is a solution of the differential equation.
Which means the t the value of x' = 0.
Then the value of 4t³ dx/dt = 0.
So, here we have rewritten the equation like the following,
=> 0 + 2x - 2 = 0
Here we know that the value of x = k, then we get the equation like the following,
=> 2k - 2 = 0
=> k = 1
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Evaluate the expression 5 . \(x^{3}\) / \(x^{2}\) for x = 2
The value of the expression given is 10.
What is expression?Expressions in math are mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by an operator in between.
Given that, the expression 5·x³/x², where x = 2, we need to find the value of the expression,
5·x³/x²
= 5·x·x·x / x·x
= 5x
Put x = 2
5x = 5·2
= 10
Hence, the value of the expression given is 10.
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PLEASE HELP ME (BRAINIEST) Please Show me how to do this.
Step-by-step explanation:
most of the solution is already written there.
in words :
you define 2 variables for the 2 unknown quantities.
per definition we pick
M = number of medium packs
L = number of large packs
in order to solve a system of 2 variables we need 2 different equations about these 2 variables (for 3 variables we need 3 equations and so forth).
she bought 10 packs.
that much we know. and we know how much she paid for these 10 packs in total.
and we know the individual prices for a single pack of medium and of large size.
so,
M + L = 10
we don't know how many of each, but the total number of packs is 10. so, that's what we are writing down, and it becomes our first equation to solve the 2 variables.
and combining our knowledge about individual prices and the total cost we say
1.80M + 2.40L = 21.60
in other words, we still don't know how many of each size she bought, but the sum of the unknowns "weighted" by their individual prices is known in the form of total cost.
and this is then our second equation.
to summarize these equations again :
M + L = 10
1.80M + 2.40L = 21.60
the first equation is the easiest to transform, and we use it to express one variable by the other (apply the same change to both sides, like here subtracting L from both sides) :
M = 10 - L
this identity we can now use in the second equation :
1.80×(10-L) + 2.40L = 21.60
you know, when you multiply 2 expressions, you need to multiply every term of one expression with every term of the other expression. so, we get
1.80×10 - 1.80L + 2.40L = 21.60
18 - 1.80L + 2.40L = 21.60
when you add 2 terms of the same variable, you can simply add the factors of the variable. so, we get
18 + 0.60L = 21.60
when transforming an equation, it is important to always apply the same changes on both sides. so, here, we subtract 18 from both sides :
0.60L = 3.60
now dividing both sides by 0.60 :
L = 6
and from
M = 10 - L
we get
M = 10 - 6 = 4
so, she bought 4 medium packs and 6 large packs.