The dimensions of the garden are 13 yards by 13 yards.
To find the dimensions of the garden, we need to set up and solve a system of equations. Let's call the length and width of the garden x. The total length of the fence is 2x + 2, since there are two sides of length x and two sides of length 1. The total width of the fence is also 2x + 2. Therefore, the total length and width of the fence is 4x + 4.
We can set up the following system of equations to represent this problem:
2x + 2 + 2x + 2 = 56
4x + 4 = 56
4x = 52
x = 13
Thus, the dimensions of the garden are 13 yards by 13 yards.
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the random variable x has a gamma distribution with mean 8 and variance 16. what are the values for the shape and scale parameters? use the mean and variance formulas given in the notes. (a) shape
The shape and scale parameters have values of 4 and 2, respectively.
For Gamma distribution denoted by Gamma(k,θ) here k is the shape parameter and θ is the scale parameter.
What is shape parameter ?
A shape parameter affects the general shape of a distribution, as the name implies; they are a family of distributions with various shapes. The parameters are frequently calculated from recent data or occasionally extrapolated from historical statistical data.
What is scale parameter ?
Graphs have meaning thanks to scale settings. The scale in a typical normal model is equal to the standard deviation,. Even though the area under the graph is 1, you can't take any information from it without a scale. A standard normal distribution without any scaling parameters is shown in the top graph.
The mean is given by the formula
Mean = kθ
And the variance is,
Variance = kθ^2
So now according to the given information we have,
θ=8
kθ^2=16
So dividing the two equations,
θ = 16/8=2
Using this in first equation,
kθ = 8
2k=8
k=4
So,
k=shape parameter=4
θ=scale parameter=2
Hence, The shape and scale parameters have values of 4 and 2, respectively.
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Suppose a drive-through restaurant has only four total spaces for customers to wait in line to be served. If a customer arrives by car when all four spots are filled, they can not enter the line to wait and order, and hence they must leave the restaurant. Suppose that customers arrive at the restaurant at a rate 5 customers per hour. Suppose customers are served at a rate of 8 customers per hour by the single drive- though line. Assume that both interarrival times and service times are exponentially distributed Which of the following are true assuming the restaurant is operating at steady-state? The line will be empty 41.5% of the time. The average length of the line will be 0.55 customers. The average time spent waiting in line will be 7.005 minutes. 5.7% of the time customers will be blocked from entering the line. Exactly two of the answers are correct. All answers are correct.
Based on the analysis, only statement 2 (The average length of the line will be 0.55 customers) is true.
Which of the following statements are true assuming a steady-state operation at a drive-through restaurant with limited customer waiting spaces and exponential distribution for arrival and service times?In this scenario, we can analyze the system using queuing theory. The system follows an M/M/1 queue, where arrivals and service times are exponentially distributed.
To determine the correctness of the given statements, we can calculate the steady-state performance measures of the system.
The line will be empty 41.5% of the time:
To calculate the probability of an empty system, we use the formula: P(0) = 1 - ρ, where ρ is the traffic intensity.
The traffic intensity ρ is given by λ/μ, where λ is the arrival rate and μ is the service rate. In this case, ρ = (5/8) = 0.625. Therefore, the probability of an empty system is P(0) = 1 - 0.625 = 0.375 or 37.5%, which contradicts the given statement. So, this statement is false.
The average length of the line will be 0.55 customers:
The average number of customers in the system can be calculated using Little's Law: L = λW, where L is the average number of customers, λ is the arrival rate, and W is the average time spent in the system. The arrival rate λ = 5 customers per hour. To calculate W, we use the formula: W = 1/(μ - λ), where μ is the service rate. In this case, μ = 8 customers per hour. Plugging in the values, W = 1/(8 - 5) = 1/3 hours. Therefore, L = (5/3) * (1/3) = 5/9 ≈ 0.556 customers. This value is close to 0.55, so this statement is true.
The average time spent waiting in line will be 7.005 minutes:
The average time spent waiting in line can be calculated using the formula: Wq = Lq/λ, where Wq is the average time spent waiting in the queue and Lq is the average number of customers in the queue.
We already calculated Lq as 5/9 customers. Plugging in the values, Wq = (5/9) / 5 = 1/9 hours. Converting to minutes, Wq = (1/9) * 60 = 6.67 minutes. This value is different from 7.005 minutes, so this statement is false.
4. 5.7% of the time customers will be blocked from entering the line:
To calculate the probability of blocking, we need to find the probability that all four spaces are occupied. The probability of all spaces being occupied is given by P(block) = ρ^4, where ρ is the traffic intensity (0.625). Plugging in the values, P(block) = 0.625^4 ≈ 0.0977 or 9.77%. This value is different from 5.7%, so this statement is false.
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Compute the following volume.
A tool box is a rectangular solid with sides of 19 in., 12 in., and 9 in. What is its volume?
__________cubic inches
The volume of the tool box is 2,052 cubic inches.
To find the volume of a rectangular solid, we need to multiply its length, width, and height. In this case, the length is 19 inches, the width is 12 inches, and the height is 9 inches. So, we can use the formula:
Volume = length x width x height
Volume = 19 in. x 12 in. x 9 in.
Volume = 2,052 cubic inches
Therefore, the volume of the tool box is 2,052 cubic inches.
Conclusion: The tool box has a volume of 2,052 cubic inches, which means it can hold that much space or stuff inside it.
The volume of the toolbox is 2052 cubic inches.
To calculate the volume of a rectangular solid, you multiply the length, width, and height of the solid. In this case, the dimensions of the toolbox are 19 inches (length), 12 inches (width), and 9 inches (height).
Step 1: Multiply the length, width, and height:
Volume = Length × Width × Height
Step 2: Substitute the given dimensions:
Volume = 19 inches × 12 inches × 9 inches
Step 3: Perform the multiplication:
Volume = 2052 cubic inches
The volume of the rectangular solid toolbox with sides of 19 inches, 12 inches, and 9 inches is 2052 cubic inches.
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i’m circle c, what is the value of x?
The value of x from the triangle inscribed in the circle which is the unknown angle is 22°
Angles of a semicircle Theorem.For a given triangle inscribed in a circle, it should be noted that the angle that is inscribed along the diameter of the circle will be regarded as the right angle.
This means that the angle facing the diameter line (C), i.e angle c is 90 degrees. We all know that the sum of angles in a triangle is 180 degrees. Therefore, to find the third unknown angle x, we have:
x + 68° + 90° = 180°
x + 158° = 180°
x = 180° - 158°
x = 22°
Therefore, we can conclude that the value of x which is the unknown angle is 22°
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how many 1/2 cup serving would 3 gallons of punch provide?
Answer: 96 servings.
Step-by-step explanation:
There are 16 cups in 1 gallon, so 3 gallons of punch would be equal to:
3 gallons x 16 cups/gallon = 48 cups
If each serving size is 1/2 cup, then the number of servings in 3 gallons of punch would be:
48 cups / (1/2 cup/serving) = 96 servings
Therefore, 3 gallons of punch would provide 96 servings, assuming each serving size is 1/2 cup.
2. Simplify 2x + 16 + 5x – 10
Answer: 7x + 6
Step-by-step explanation:
Combine like terms:
(2x + 5x) + (16 - 10)
Answer:
soln
2x + 16 + 5x – 10
8(x+2) + 5(x + 2)
8+2 (x+2)
10 (x + 2 )
What is the image of (5,−4) after a dilation by a scale factor of 4 centered at the origin?
The image of (5,−4) after a dilation by a scale factor of 4 centered at the origin is (20,−16)
What is the image after a dilation centered at the origin?From the question, we have the following parameters that can be used in our computation:
Point = (5,−4)
Scale factor of 4 centered at the origin
The image after a dilation centered at the origin is
Image = Point * Scale factor
Substitute the known values in the above equation, so, we have the following representation
image = (5,−4) * 4
Evaluate
image = (20,−16)
Hence, the image after a dilation centered at the origin is (20,−16)
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Logan in Amaya each drew a rectangle, as shown. The two rectangles have the same area. What is the perimeter of Amayas rectangle?
Answer: 28 inches
Step-by-step explanation:
Since their areas are the same their perimeter would be the same too. So plug 8 in for the length, for the formula of perimeter( 2(L+W) ) which would be 2(8+6) and you get 28
Can someone explain how to solve this problem
Answer: \(\displaystyle 2x^4 + 9x^3-8x^2+9x -13\)
Step-by-step explanation:
Given:
\(\displaystyle (2x^4 + 9x^3 -8)-(8x^2-9x+5)\)
Subtract the second term:
\(\displaystyle (2x^4 + 9x^3 -8)-8x^2+9x-5\)
Reorder by the power's degree:
\(\displaystyle 2x^4 + 9x^3-8x^2+9x -8-5\)
Combine like terms:
\(\displaystyle 2x^4 + 9x^3-8x^2+9x -13\)
Anybody know this. Need help please!!!!
Let f x = 2x + 6 and g x = 4x - 3
Answer:
\(g=\frac{9}{2}, \\x=-6\)
Step-by-step explanation:
One day, 2/8of the patients
brought to a veterinary hospital
were rabbits, 1/2 were cats, and 1/4
were dogs. Which kind of animal
did the vet see the most of that
day?
Answer:
The Vet saw most of the Cats (2/4 or 1/2)
Step-by-step explanation:
We know some information...
2/8 = Rabbits, 1/2 = Cats, 1/4 = Dogs.
Total there is 1 Whole of Animals, or 4/4.
Let's make their denominators the same to understand easier.
2/8 is nothing but 1/4
And 1/2 is nothing but 2/4
So the Values are 1/4(rabbits), 1/4 Dogs, and 2/4 Cats.
We know that 1/4 (Rabbits) and another 1/4(Dogs) is the same value,
So 1/4 (Rabbit or Dog) < 2/4 (Cat)
This means the Vet Saw most of the Cats or more cats than any other animal
32. John collects postcards. He buys them in
packages of 8. He currently has 96 postcards.
Write an equation to model the size of his
collection after buying x packages.
A) 8x = 96
Cy= 96 + 8
® y=96x + 8 Dy=8x + 96
A football team has four different jerseys that players wear throughout the season: school colors, white, throwback, and pink (for breast cancer awareness). The tree diagram shows the conditional probabilities of the outcome of their games when players wear each type of jersey.
For a randomly selected game, determine the probability that players wore their white jerseys, given that they won.
0.34
0.41
0.42
0.80
Answer:0.41
Step-by-step explanation:
The mathematical constant pi is needed when calculating the area of a
When computing the area of a circle, the mathematical constant pi () is required. Pi is the circumference-to-diameter ratio of a circle and is approximately equal to 3.14159.
The area of a circle is calculated by multiplying pi by the radius squared (r2). To estimate the area of a circle, utilize pi in the calculation since it is a vital aspect of the relationship between the circumference and diameter of a circle.
Pi is not required when determining the area of a square, rectangle, or cube since the formulas for these shapes are different.
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The question is -
The mathematical constant pi is needed when calculating the area of a _.
a. circle
b. square
c. rectangle
d. cube
Can someone help me solve for x on number 18 and explain how you did it thank you ;)
Answer:
x = 19°
Step-by-step explanation:
Given that < (6x + 1)° + < (3x + 8)° are supplementary angles whose sum = 180°
6x + 1 + 3x + 8 = 180°
Add common terms:
9x + 9 = 180°
Subtract 9 from both sides:
9x + 9 - 9 = 180° - 9
9x = 171°
Divide both sides by 9 to solve for x:
\(\frac{9x}{9} = \frac{171}{9}\)
x = 19°
What is the complete factorization of the polynomial below?
x^3- 2x²+x-2
A. (x-2)(x + 1)(x - 1)
B. (x + 2)(x + 1)(x - 1)
C. (x + 2)(x - 1)(x - 1)
D. (x-2)(x - 1)(x - 1)
Answer:
Let's start by rearranging this polynomial.
x^3 - 2x^2 + x - 2
x^3 + x - 2x^2 - 2
Now, factor out the common terms in the first two terms, and the second t wo terms. So we have: x(x^2 + 1) - 2(x^2 +1)
Apply the distributive property, and you have: (x-2)(x^2+1), which can't be factored further.
There's definitely something wrong with the answer choices here, or the problem itself.
Hopefully this helps!
The complete factorization of the polynomial is,
⇒ (x + i) (x - i) (x - 2)
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
The polynomial is,
⇒ x³ - 2x² + x - 2
Now, We can factor the polynomials as;
The polynomial is,
⇒ x³ - 2x² + x - 2
⇒ x² (x - 2) + 1 (x - 2)
⇒ (x² + 1) (x - 2)
⇒ (x + i) (x - i) (x - 2)
Therefore, The complete factorization of the polynomial is,
⇒ (x + i) (x - i) (x - 2)
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6.32. monthly sales are independent normal random variables with mean and standard deviation a. find the probability that exactly of the next months have sales greater than 100
To find the probability that exactly k out of the next n months have sales greater than 100, you can use the binomial probability formula:
P(k successes in n trials) = (n choose k) * p^k * (1-p)^(n-k)
where p is the probability of success in a single trial, and n choose k is the binomial coefficient, which is equal to n!/(k! * (n-k)!).
To use this formula, you first need to determine the values of p and n. The value of p is the probability that a single month's sales will be greater than 100. To find this probability, you need to know the mean and standard deviation of the normal distribution representing the monthly sales.
Once you have the values of p and n, you can plug them into the formula and compute the probability of exactly k successes in n trials.
For example, suppose the mean monthly sales are 80 and the standard deviation is 20. This means that the normal distribution representing the monthly sales has a mean of 80 and a standard deviation of 20. To find the probability that a single month's sales will be greater than 100, you can use the standard normal distribution table or a calculator to find the area under the curve of the standard normal distribution that is greater than 100. Suppose the result is 0.15. This means that the probability of a single month's sales being greater than 100 is 0.15.
Now suppose you want to find the probability that exactly 2 out of the next 3 months will have sales greater than 100. In this case, p is 0.15, k is 2, and n is 3. Plugging these values into the formula gives:
P(2 successes in 3 trials) = (3 choose 2) * 0.15^2 * (1-0.15)^(3-2)
= 3 * 0.15^2 * 0.85
= 0.3483
This is the probability that exactly 2 out of the next 3 months will have sales greater than 100.
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Find the missing side of the triangle.
A. √226 ft
B. √17 ft
C. √329 ft
D. √346 ft
15^2 = x^2 + 11^2
225 = x^2 + 121
Subtract both sides 121
225 - 121 = x^2 + 121 - 121
104 = x^2
x = √104
x = √4 × 26
x = √4 × √26
x = 2 × √26
x = 2 √26
Define a variable and write an expression for the phrase.
a number divided by 82
A swimming pool is 90 feet wide and 30 feet long. If it is surrounded by square tiles, each of which is 1 foot by 1 foot, how many tiles are there surrounding the pool?
Find the area enclosed by the figure. Use 3.14 for ππ. (The figure is not to scale).
The diameter of a $1 coin is 26.5 mm. Find the area of one side of the coin. Round to the nearest hundredth.
If the width of the swimming pool is 90 feet and length is 30 feet, then the total tiles required to cover the swimming pool are:Each tile is square with 1 foot width and length.
Area of 1 tile = 1 × 1 = 1 square feet
Total number of tiles required = Area of pool / Area of 1 tile = 90 × 30 / 1 = 2700 tiles
Hence, 2700 tiles are required to surround the pool.
The diameter of a $1 coin is 26.5 mm. The formula for the area of the circle is:Area of circle = πr², where r is the radius of the circle.
So, we need to find the radius of the coin first:Diameter = 26.5 mm
So, the radius = Diameter/2= 26.5/2 = 13.25 mm
Now, we can find the area of one side of the coin by substituting the value of the radius in the formula of area of circle.
Area of one side of the coin = πr²= 3.14 × 13.25²≈ 553.73 sq.mm
Therefore, the area of one side of the coin is approximately 553.73 sq.mm.
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Marlena created a table of values representing the height in feet, h(t), of a coconut falling to the hard ground with a height of 0 feet, collected over t seconds. Assume the coconut does not bounce.
A 2-column table with 6 rows titled Height of Coconut over Time. The first column is labeled t with entries 0, 1, 2, 3, 4, 5. The second column is labeled h(t) with entries 210, 194, 146, 66, negative 46, negative 190.
Which statement is true?
The initial height of the coconut is 190 feet.
The coconut will hit the ground between 4 and 5 seconds after it was dropped.
The values of h(t) when t = 4 and 5 should be 0.
The maximum height of the coconut was 1 second after it was dropped.
Answer:The answer is C
Step-by-step explanation:
The values of h(t) when t=4 and 5 should be 0
Answer: c
Step-by-step explanation:
Sia sells large candles for $3 each and small candles for $2 each. She sold 17 candles for $46.00. How many of each size candle did she sell? 4 small and 13 large candles 5 small and 12 large candles 12 small and 5 large candles 13 small and 4 large candles
Answer:
The number of large size candles sells are 12 and the number of small size candles are 5 .
Step-by-step explanation:
As given Sia sells large candles for $3 each and small candles for $2 each.She sold 17 candles for $46.00.Let us assume that the large size candle sells are x .Let us assume that the small size candle sells are y. Equation becomes
x + y = 17
3x + 2y = 46
Multiply x + y = 17 by 3 and subtracted from 3x + 2y = 46 .
3x - 3x + 2y - 3y = 46 - 51
-y = - 5
y = 5
Put in the equation x + y = 17 .
x + 5 = 17
x = 17 - 5
x = 12
Therefore the number of large size candles sells are 12 and the number of small size candles are 5
Please help me I will give best answer brainliest
Answer:
i would help but i can't understand that im sry
Step-by-step explanation:
3. /9.49 thanks
Answer:
4. search it you can find it
Select the three ratios that describe the model
Answer:
1= 4/7 of the fruit are apples 2 = the ratio of apples to oranges is 4 to 3 3= the ratio of oranges to apples 3 to 4
what is The smallest number -1, 3, 7, 9 ,11
Answer:
-1 is the answer god luck
Find the L.C.M of x2+x, x2-1, x2-x
Answer:
x(x+1)(x−1)
Step-by-step explanation:
The lengths of three wires were 30 m, 36 m and 84 m. Pieces of wire of equal length were cut
from the three wires. Calculate the least number of pieces obtained.
Answer: HCF of 30,36 and 84 is 6
so, by cutting equal lenghts of wire by 6 metres we get 30/6,36/6,84/6=5,6 and 14.
the least number of pieces obtained is 25 by adding 5, 6 and 14.
Select the correct answer from the drop-down menu.
Triangle ABC is shown with angle A measuring 45 degrees, angle B measuring 90 degrees, and angle C measuring 45 degrees.
In this triangle, the product of tan A and tan C is
.
In this triangle, the product of tan A and tan C is `(BC)^2/(AB)^2`.
The given triangle ABC has angle A measuring 45 degrees, angle B measuring 90 degrees, and angle C measuring 45 degrees , Answer: `(BC)^2/(AB)^2`.
We have to find the product of tan A and tan C.
In triangle ABC, tan A and tan C are equal as the opposite and adjacent sides of angles A and C are the same.
So, we have, tan A = tan C
Therefore, the product of tan A and tan C will be equal to (tan A)^2 or (tan C)^2.
Using the formula of tan: tan A = opposite/adjacent=BC/A Band, tan C = opposite/adjacent=AB/BC.
Thus, tan A = BC/AB tan C = AB/BC Taking the ratio of these two equations, we have: tan A/tan C = BC/AB ÷ AB/BC Tan A * tan C = BC^2/AB^2So, the product of tan A and tan C is equal to `(BC)^2/(AB)^2`.
Answer: `(BC)^2/(AB)^2`.
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This Question worths 5 points from the total of 45.1 points for giving the correct answer and 4 points for showing the work using Exam 6 work assignment. You can use calculated quantities from the previous questions if needed for your solution without repeating the calculation. Consider the R-L-C circuit shown in the diagram. An engineer was able to connect the circuit using a 100−Ω resistor, a 500-mH inductor, and 3.00−μF. 1. Calculate the total current using the total impedance of the circuit if the voltage source has voltage amplitude of 120 V and a frequency of 65.0 Hz ? 2. Compare your result with what you got from Q14
The total current is given by ITotal = 0.2605 - j0.7635A2.
Calculation of total current:
According to the given circuit, resistance of the circuit = R = 100 Ω
Inductance of the circuit = L = 500 mH = 0.5 H
Capacitance of the circuit = C = 3.00 μF = 3.00 x 10^-6 F
Frequency of the circuit = f = 65.0 Hz
Voltage of the circuit = V = 120 V
Reactance of the circuit can be calculated as follows:
Xl = 2πfL = 2 x 3.14 x 65.0 x 0.5 = 204.2 Ω
Capacitive reactance can be calculated as:
Xc = 1/(2πfC) = 1/(2 x 3.14 x 65 x 3.00 x 10^-6) = 498.9 Ω
Total impedance can be calculated as:
Z = R + j(Xl - Xc)Z = R + j(204.2 - 498.9)
Z = 100 - j294.7
The total current is given by the ratio of the voltage and the total impedance:
ITotal = V/ZITotal = 120/(100 - j294.7)
ITotal = 0.2605 - j0.7635A2.
Total current obtained was ITotal = 0.2605 - j0.7635 A
Hence the results are identical.
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