Answer::
\(\begin{gathered} W^{\prime}(11,-9) \\ X^{\prime}(11,-12) \\ Y^{\prime}(6,-12) \\ Z^{\prime}(6,-9) \end{gathered}\)Explanation:
If the point (x,y) is translated 7 units down and 4 units right, the coordinates of its image point are:
\((x,y)\to(x+4,y-7)\)Thus, the image point of rectangle WXYZ are:
\(\begin{gathered} W\mleft(7,-2\mright)\to W^{\prime}\mleft(7+4,-2-7\mright)=W^{\prime}(11,-9) \\ X\mleft(7,-5\mright)\to X^{\prime}\mleft(7+4,-5-7\mright)=X^{\prime}(11,-12) \\ Y(2,-5)\to Y^{\prime}(2+4,-5-7)=Y^{\prime}(6,-12) \\ Z\mleft(2,-2\mright)\to Z^{\prime}\mleft(2+4,-2-7\mright)=Z^{\prime}(6,-9) \end{gathered}\)Find an equation for the plane containing the two (parallel) lines
v1 = (0, 1, −8) + t(6, 7, −5) and v2 = (8, −1, 0) + t(6, 7, −5).
The equation of the plane containing the two parallel lines v₁ = (0, 1, −8) t(6, 7, −5) and v₂ = (8, −1, 0) t(6, 7, −5) is 6x + 6y + 3z = 0.
What are parallel lines?
Parallel lines are coplanar infinite straight lines that do not intersect at any point in geometry. Parallel planes are planes that never meet in the same three-dimensional space. Parallel curves are those that do not touch or intersect and maintain a constant minimum distance.
To find an equation for the plane containing the two parallel lines v₁ = (0, 1, −8) t(6, 7, −5) and v₂ = (8, −1, 0) t(6, 7, −5),
We use the equation of a line: v = v₀ + tv₁
where v₀ and v₁ are points on the line and t is a real number.
Substitute the given points in for v₀ and v₁: v = (0, 1, −8) + t(6, 7, −5)
This equation of the plane is Ax + By + Cz = D, where A, B, C, and D are constants to be determined.
Equate the components:
0x + 1y - 8z = D....(1)
6x + 7y - 5z = D...(2)
Now, we subtract equation (1) from (2) and we get
6x - 0x + 7y - 1y - 5z + 8z = 0
6x + 6y + 3z = 0
Hence, the equation of the plane containing the two parallel lines v₁ = (0, 1, −8) t(6, 7, −5) and v₂ = (8, −1, 0) t(6, 7, −5) is 6x + 6y + 3z = 0.
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Barrett works at an ice cream shop. the function f(x) represents the amount of money in dollars barrett earns per gallon of ice cream, where x is the number of gallons of ice cream he makes. the function g(x) represents the number of gallons of ice cream barrett makes per hour, where x is the number of hours he works. f(x) = 2x2 4 g(x) = the square root of three times x cubed find f(g(x)). f of g of x equals the square root of the quantity 6 times x to the fifth power plus 4 dollars over hour f of g of x equals the square root of the quantity 6 times x to the fifth power plus 4 gallons over hour f(g(x)) = 6x3 4 gallons over hour f(g(x)) = 6x3 4 dollars over hour
Amount of money earned per number of hours of work = \(f(g(x)) = 6x^{3} + 4\)
What is a composite function?A composite function is generally a function that is written inside another function. Composition of a function is done by substituting one function into another function. For example, f [g (x)] is the composite function of f (x) and g (x). The composite function f [g (x)] is read as “f of g of x”.To evaluate a composite function f(g(x)) at some x = a, first compute g(a) by substituting x = a in the function g(x). Then substitute g(a) into the function f(x) by substituting x = g(a). In the same way, we can calculate g(f(a)) as well.
Required calculation -
Amount of money (the earning) per unit x = \(f(x) = 2x^{2} + 4\)
Number of gallons of ice cream that Barrett makes per hour, where x is the number of hours he works = \(g(x) = \sqrt{3x^{3}}\)
we are to find the composite function \(f(g(x))\)
Substituting g(x) into the x of f(x), we find:
\(f(g(x)) = 2(\sqrt{3x^{3} } )^{2} + 4\\\\= 2(3x^{3} ) + 4\\= 6 x^{3} + 4\)
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Answer:
f(g(x)) = 6x3 + 4 dollars over hour
Step-by-step explanation:
Why the order of a succession is important
Answer:
Step-by-step explanation:
The order of a succession is a way that the terms (the first, the second, the third, etc.) can be distinguished according to a certain formation law or order criterion.
Example:
a¹/a²/a³/a⁴ And successively
In the order of a sequence you can assign any letter.
47.
48.
3m-4+2
m+5
j³-64
j-4
49.
-5p+4p² +4
p-2
50. (4p + 3p²-1) ÷ (p + 4)
51. (20x² 13x + 2) = (5x - 2)
52. (12x² - 6x³ - 3-9x) ÷ (3x − 3)
53. (8x² - 2x - 3) + (2x + 1)
54.(-3x² + 6x³ - 4 - x) ÷ (2x + 1)
-
Please solve this
Answer:
29282829939999999 and yea
for every 2 cara you wash your friend washes 5 cars if you wash 6 cars how many cars does your friend wash
Answer:
15 cars
Step-by-step explanation:
2 = 5 so 4 = 10 and 6 = 15
Organizational culture is set by a. the manager b. the ethics committee c. the engineer d. none of the given options
Organizational culture is defined as the common beliefs, values, attitudes, customs, behaviors, and traditions that characterize a specific organization and determine the manner in which it functions. Organizational culture is set by the manager.
In a corporate or business environment, organizational culture can influence the daily operations of employees. It is the responsibility of managers to create a positive culture that emphasizes teamwork, respect, integrity, and accountability. The manager is an essential individual responsible for establishing and maintaining the organization's culture, which will ultimately define the employee's attitudes, behaviors, and productivity levels. He or she sets the tone for the workplace by creating an environment that fosters collaboration, innovation, and success. Employees need to feel connected to their workplace and colleagues to be motivated to do their best work. If a manager promotes a culture of fear, competition, or dishonesty, employees may become unmotivated or unproductive. An effective manager understands the importance of creating a positive workplace culture and works hard to establish and maintain it. Managers can establish a positive culture by encouraging open communication, providing regular feedback and recognition, fostering a sense of teamwork, creating opportunities for professional development, and setting high standards for performance. Managers must lead by example and demonstrate the behaviors and attitudes that they expect from their employees. They must hold themselves and others accountable for their actions, communicate expectations clearly, and provide support when needed. A positive organizational culture will enable an organization to attract and retain top talent, increase employee engagement, and promote collaboration and innovation.
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(x-y) (x²-2xy + y²)
Answer:
x³ - 2x²y + 3xy² - y³
Step-by-step explanation:
When multiplying with two brackets, you need to multiply the two terms, (x) and (-y) from the first bracket to all the terms in the second brackets, (x²), (-2xy) and (y²) individually. I have put each multiplied term in a bracket so it is easier.
(x-y)(x²-2xy+y²) =
(x × x²) + {x × (-2xy)} + (x × y²) + {(-y) × x²) + {(-y) × (-2xy)} + {(-y) × y²)
Now we can evaluate the terms in the brackets.
(x × x²) + {x × (-2xy)} + (x × y²) + {(-y) × x²) + {(-y) × (-2xy)} + {(-y) × y²) =
(x³) + (-2x²y) + (xy²) + (2xy²) + (-y³)
We can open the brackets now. One plus and one minus makes a minus.
(x³) + (-2x²y) + (xy²) + (2xy²) + (-y³) = x³ - 2x²y + xy² + 2xy² - y³
Evaluate like terms.
x³ - 2x²y + xy² + 2xy² - y³ = x³ - 2x²y + 3xy² - y³
3(m + 4) = 36
What is m
Answer:
m = 8
Step-by-step explanation:
Step 1: Write the equation neatly. {3 (m + 4) = 36}
Step 2: Distribute 3 to m and 4. {3 x m = 3m} {3 x 4 = 12}
Step 3: Write the new equation. {3m + 12 = 36}
Step 4: Subtract 12 from both sides. {12 - 12 = 0} {36 - 12 = 24}
Step 5: Write the new equation. {3m = 24}
Step 6: Divide 3 from both sides. {3m / 3 = m} {24 / 3 = 8}
Step 7: Write the new equation and you get your answer. {m = 8}
Explain why the set of natural numbers {1,2,3,4,...} and the set of even numbers {2, 4, 6, 8, . . .} of positive even numbers
The set of natural numbers {1,2,3,4,...} and the set of positive even numbers {2, 4, 6, 8, . . .} are different because natural numbers include all positive integers, while even numbers only include those that are divisible by 2 with no remainder.
About the setsTwo important sets of numbers are natural numbers and even numbers. The set of natural numbers consists of numbers that are not negative, beginning with 1 and continuing indefinitely with 2, 3, 4, and so on.
The set of even numbers, on the other hand, consists of numbers that are divisible by 2, beginning with 2, 4, 6, and so on.
Positive integers refer to natural numbers. Any integer greater than zero is a positive integer.
Zero is not a positive integer. Hence, the set of natural numbers consists of {1,2,3,4,…}
On the other hand, the set of even numbers consists of {2, 4, 6, 8, . . .}.
Therefore, {1,2,3,4,…} and {2, 4, 6, 8, . . .} are two different sets of numbers where one set is composed of positive integers (natural numbers) and the other is composed of positive even numbers.
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A fast food restaurant just leased a new freezer and food fryer for three years. The service contract for the freezer offers unlimited repairs for a fee of $125 a year plus a $35 service charge for each repair needed. The restaurant’s research indicates that during a given year 80% of these freezers need no repairs, 11% needed to be serviced once, 5% twice, 4% three times, and none required more than three repairs.
a. Find the expected number of repairs for this freezer per year.
b. Find the standard deviation of the number of repairs per year.
c. What are the mean and standard deviation of the restaurant’s annual expense with the service contract for the freezer?
(a) Expected number of repairs per year is 0.33 (b) Standard deviation of number of repairs per year is 0.749, (c) The mean and standard deviation of annual expense are $136.55 and $26.217 respectively.
What is Standard Deviation?Standard deviation is a measure in statistics which measures the amount of deviation a set of data has with respect to their mean.
(a) Expected number of repairs for the freezer per year is the sum of the product of number of repairs to their probability.
E(Repairs) = (0 × 0.80) + (1 × 0.11) + (2 × 0.05) + (3 × 0.04)
= 0.33
(b) Standard deviation of number of repairs per year can be calculated as,
SD(Repairs) = \(\sqrt{[(0 - 0.33)^{2}(0.8)]+[(1-0.33)^{2}(0.11)] + [(2-0.33)^{2}(0.05)]+[(3-0.33)^{2}(0.04)] }\)
= √ (0.5611)
= 0.749
(c) Mean of the restaurant's annual expense with service contract is,
Mean = Expected cost = $125 + ($35 × 0.33) = $136.55
Standard deviation of the restaurant's annual expense with service contract is,
SD = \(\sqrt{35^{2}(0.5611) }\) = 35 × 0.759 = 26.217
Hence the expected number of repairs is 0.33, standard deviation of number of repairs is 0.749, mean and standard deviation of annual expense is $136.55 and $26.217 respectively.
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3) A moving target at a police academy target range can be hit 88% of the time by a particular individual. Suppose that as part of a training exercise, eight shots are taken at a moving target. a) What 3 characteristics of this scenario indicate that you are working with Bernoulli trials? b) What is the probability of hitting the 6
th
target (Hint: think of this as a single trial)? c) What is the probability that the first time hitting the target is not until the 4 th shot?
a. The probability of success (hitting the target) is constant for each trial (88% or 0.88).
b. The probability of hitting the 6th target is:
P(X = 1) = C(1, 1) * 0.88^1 * (1 - 0.88)^(1 - 1) = 0.88
c. Using the binomial probability formula as before, with p = 0.88 and n = 3:
P(X = 1) = C(3, 1) * 0.88^1 * (1 - 0.88)^(3 - 1)
P(X = 2) = C(3, 2) * 0.88^2 * (1 - 0.88)^(3 - 2)
P(X = 3) = C(3, 3) * 0.88^3 * (1 - 0.88)^(3 - 3)
a) The three characteristics of this scenario that indicate we are working with Bernoulli trials are:
The experiment consists of a fixed number of trials (eight shots).
Each trial (shot) has two possible outcomes: hitting the target or missing the target.
The probability of success (hitting the target) is constant for each trial (88% or 0.88).
b) To find the probability of hitting the 6th target (considered as a single trial), we can use the binomial probability formula:
P(X = k) = C(n, k) * p^k * (1 - p)^(n - k)
where:
P(X = k) is the probability of getting exactly k successes,
C(n, k) is the binomial coefficient or number of ways to choose k successes out of n trials,
p is the probability of success in a single trial, and
n is the total number of trials.
In this case, k = 1 (hitting the target once), p = 0.88, and n = 1. Therefore, the probability of hitting the 6th target is:
P(X = 1) = C(1, 1) * 0.88^1 * (1 - 0.88)^(1 - 1) = 0.88
c) To find the probability that the first time hitting the target is not until the 4th shot, we need to consider the complementary event. The complementary event is hitting the target before the 4th shot.
P(not hitting until the 4th shot) = P(hitting on the 4th shot or later) = 1 - P(hitting on or before the 3rd shot)
The probability of hitting on or before the 3rd shot is the sum of the probabilities of hitting on the 1st, 2nd, and 3rd shots:
P(hitting on or before the 3rd shot) = P(X ≤ 3) = P(X = 1) + P(X = 2) + P(X = 3)
Using the binomial probability formula as before, with p = 0.88 and n = 3:
P(X = 1) = C(3, 1) * 0.88^1 * (1 - 0.88)^(3 - 1)
P(X = 2) = C(3, 2) * 0.88^2 * (1 - 0.88)^(3 - 2)
P(X = 3) = C(3, 3) * 0.88^3 * (1 - 0.88)^(3 - 3)
Calculate these probabilities and sum them up to find P(hitting on or before the 3rd shot), and then subtract from 1 to find the desired probability.
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2,87 × 30 com cálculo
Answer:
86.1 I believe because I'm assuming you meant 2.87
The distribution of scores on a statistics test is positively skewed. What does this indicate about the difficulty of the test? What type of frequency graph is appropriate when counting the number of: 1. Blondes, brunettes, redheads, or "others" attending a college? 2. People having each body weight reported in a statewide survey? 3. Children in each grade at an elementary school? 4. Car owners reporting above- average, average, or below-average problems with their car?
A positively skewed distribution suggests that a test may have been relatively difficult for most test-takers. Appropriate frequency graphs that can be used for four given scenarios are: 1) pie charts, 2) histograms 3) bar graph 4) pie chart . These graphs are selected depending on the type of data being analysed.
A positively skewed distribution indicates that there are more scores on the lower end of the scale and fewer scores on the higher end of the scale. This suggests that the test may have been relatively difficult for the majority of the test-takers.
The appropriate type of frequency graph for each situation is as follows:
A bar graph or pie chart is appropriate for counting the number of blondes, brunettes, redheads, or "others" attending a college.
A histogram is appropriate for counting the number of people having each body weight reported in a statewide survey.
A bar graph is appropriate for counting the number of children in each grade at an elementary school.
A bar graph or pie chart is appropriate for counting the number of car owners reporting above-average, average, or below-average problems with their car.
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Find the radius of convergence, R, of the series. [infinity] (x − 8)n n8 + 1 n = 0 .Find the interval of convergence, I, of the series. (Enter your answer using interval notation.)
The series converges on the interval from 7 inclusive to 9 exclusive.
What is the radius of convergence, R, and the interval of convergence, I, of the series [infinity] (x − 8)n n8 + 1 n = 0 ?To find the radius of convergence, we use the ratio test:
| (x - 8)ⁿ⁺¹ (n+9) |----------------------- = L| (x - 8)ⁿ (n+1) |L = lim{n → ∞} | (x - 8)ⁿ⁺¹ (n+9) | / | (x - 8)ⁿ (n+1) |= lim{n → ∞} |x - 8| (n+9) / (n+1)= |x - 8| lim{n → ∞} (n+9) / (n+1)= |x - 8|So the series converges absolutely if |x - 8| < 1, and diverges if |x - 8| > 1. Therefore, the radius of convergence is R = 1.
To find the interval of convergence, we need to test the endpoints x = 7 and x = 9:
When x = 7, the series becomes:
[infinity] (-1)ⁿ (n+9) / (n+1)
n = 0
which is an alternating series that satisfies the conditions of the alternating series test. Therefore, it converges.
When x = 9, the series becomes:
[infinity] 1 / (n+1)
n = 0
which is a p-series with p = 1, which diverges.
Therefore, the interval of convergence is [7, 9).
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Solve equation using SQAURE ROOTS. Round to the nearest hundredth if needed
The result of the equation using square roots is x ≈ -18.72 or x ≈ -1.28 (rounded to two decimal places).
To solve the equation using SQUARE ROOTS, we need to use the equation square roots formula, which states that:
If a^2 = b, then a = ±√b.
So, applying this formula to our equation, we get:
x^2 + 20x + 100 = 64
=> x^2 + 20x + 36 = 0 (subtracting 64 from both sides)
Now, we can use the square roots formula to find the values of x:
x = (-20 ± √(20^2 - 4*1*36)) / (2*1)
x = (-20 ± √304) / 2
x ≈ -10 ± 8.72
Therefore, the solutions to the equation are:
x ≈ -18.72 or x ≈ -1.28
Rounding to the nearest hundredth, we get:
x ≈ -18.72 or x ≈ -1.28 (rounded to two decimal places)
Complete Question
Solve the equation using SQUARE ROOTS. Round to the nearest hundredth if needed:
x^2 + 20x + 100 = 64
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A teacher chooses two students in a class of 15 girls and 10 boys. The students are randomly chosen. What is the probability that the teacher chooses two girls?
1. 3/5
2. 3/7
3. 7/12
4. 7/20
Answer:
15/25 which simplifies to 3/5 which is the first answer
Step-by-step explanation:
sam makes 300 cupcakes all of the cupcakes are lemon, chocolate and vanilla flavour. 1/10 of the cupcakes are lemon. 1/4 of the cupcakes are chocolate . work out how many of the cupcakes are vanilla
Answer:
Step-by-step explanation:
1/4 of 300 is equal to 75
1/10 of 300 is equal to 30
75 + 30 = 105
300 - 105 = 195
195 cupcakes are vanilla.
195/300 = 65% of the cupcakes are vanilla
13/20 of the cupcakes are vanilla/195 cupcakes are vanilla.
Lexi made a cake for her mother's birthday. She started making the cake batter at 3:55 P.M. It took 35 minutes to make the batter. Then, the cake baked in the oven for 1 hour and 5 minutes. What time did the cake come out of the oven?
Answer:
the cake came out the oven at 4:00
Step-by-step explanation:
3:55 plus 35 minutes would be 4:30 plus 1hr and 5 minutes would mean it came out of the oven at 5:35
Write a polynomial f(x) that satisfied the given conditions. polynomial of lowest degree with zeros of 1/5(multiplicity 2) and -1/4(multiplicity 1) and with f(0)=-2
The polynomial with zeroes 1/5 and -1/4 with multiplicity 2 and 1 respectively and f(0) = -2 will be f(x) = -200x³ + 30x²/20 + 12x + 1/100
The multiplicity of any zero is the power the facto form of that zero has.
Therefore, 1/5 with multiplicity 2 and -1/4 with multiplicity 1 will be
(x- 1/5)² (x - (-1/4))
= (x- 1/5)² (x+ 1/4)
It is clear here that the degree of this polynomial will be 3.
We also know that f(0) = -2
Therefore, the polynomial will have a constant term of -2
Let the polynomial be ax³ + bx² + cx - 2
where a, b, and c are real numbers.
Therefore,
q(x- 1/5)² (x+ 1/4) = ax³ + bx² + cx - 2
q(x² - 2x/5 + 1/25)(x + 1/4) = ax³ + bx² + cx - 2
q(x³ - 2x²/5 + x/25 + x²/4 - x/10 + 1/100) = ax³ + bx² + cx - 2
or, q(x³ - 3x²/20 - 3x/50 + 1/100) = ax³ + bx² + cx - 2
on comparing we get
q/100 = -2
or, q = -200
Hence we get the polynomial
f(x) = -200x³ + 30x²/20 + 12x + 1/100
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Find the H.C.F of 144,180,240,300
Answer:
12
Step-by-step explanation:
We are looking for the highest common factor
Breaking each term into primes
144 = 12*12 = 4*3 * 4*3 = 2*2*3*3
180 = 20 *9 = 4*5*3*3 = 2*2*3*3*5
240 = 24*10 = 4*6*2*5 = 2*2*2*3*2*5 = 2*2*2*2*3*5
300 = 30*10 = 5*6*2*5 = 5*2*3*2*5 = 2*2*3*5*5
Look for the common factor
2*2*3 = 12
the lengths of full-grown scorpions of a certain variety have a mean of 1.96 inches and a standard deviation of 0.08 inch. assuming the distribution of the lengths has roughly the shape of a normal disribution, find the value above which we could expect the longest 20% of these scorpions.
We can expect the longest 20% of these scorpions to be above a length of approximately 2.0272 inches.
To find the value above which we could expect the longest 20% of these scorpions, we need to use the z-score formula. First, we need to find the z-score that corresponds to the 80th percentile, which is the complement of the top 20%. Using a standard normal distribution table or calculator, we find that the z-score corresponding to the 80th percentile is 0.84.
Next, we use the formula z = (x - mu) / sigma, where z is the z-score, x is the value we are trying to find, mu is the mean, and sigma is the standard deviation. We plug in the given values and solve for x:
0.84 = (x - 1.96) / 0.08
0.0672 = x - 1.96
x = 2.0272
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if the filling equipment is functioning properly what is the probability that a random sample of 10 cars will have a mean ore weight of 70.7 tons or more
The probability that the average weight of a random sample of 10 cars will be 70.7 tons or more is approximately 0.977, or 97.7%.
To calculate the probability that the average weight of a random sample of 10 cars will be 70.7 tons or more, we need to make some assumptions about the population of cars and the sampling process.
Assuming that the weights of cars follow a normal distribution, we can use the central limit theorem to approximate the distribution of sample means. This states that as the sample size increases, the distribution of sample means becomes approximately normal, with a mean equal to the population mean and a standard deviation equal to the population standard deviation divided by the square root of the sample size.
Without knowing the population means and standard deviation, we can use the sample mean and standard deviation as estimates. Let's say we have a sample of 10 cars and their weights have a sample mean of 72 tons and a sample standard deviation of 2 tons. We can calculate the standard error of the mean by dividing the sample standard deviation by the square root of the sample size, which gives us 0.63 tons.
To find the probability that the sample mean is 70.7 tons or more, we need to standardize the distribution of sample means using the z-score formula:
z = (sample mean - population mean) / standard error of the mean
In this case, the population mean is unknown, so we can use the sample mean as an estimate. Plugging in the values, we get:
z = (70.7 - 72) / 0.63 = -2
Using a standard normal distribution table, we can find the probability that a z-score is less than -2, which is approximately 0.023.
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Complete question:
What is the probability that the average weight of a random sample of 10 cars will be 70.7 tons or more if the filling equipment is working properly?
Please help will give brainliest
1. What is the value of the expression
1/3 (-6) - (-4) / (1/4)
2. If G = -4 and A = -8
Find 2G to the power of 2 + 3A
3. Evaluate the following expression
(-3) to the power of 4
4. Evaluate the expression
(0.5) to the power of 2 x | -6 (1/3) + 4 | + (-4)
5. What is the sum of 0.75 - 1 1/4 + 0.5
Answer:
1. The value of the expression is 4.
2. 2G to the power of 2 + 3A is equal to -64.
3. (-3) to the power of 4 is equal to 81.
4. (0.5) to the power of 2 x | -6 (1/3) + 4 | + (-4) is equal to 24.
5. The sum of 0.75 - 1 1/4 + 0.5 is equal to 0.25.
An equilateral triangle is shown inside a square inside a regular pentagon inside a regular hexagon. Write an expression for the area of the shaded regions.
Answer:
the shaded area= area of the regular hexagon-the area of the regular pentagon+ the area of the square-the area of the equilateral triangle
Step-by-step explanation:
for the equation to be true we must first identify the shapes used.
the shapes used include
regular hexagonregular pentagonsquareequilateral trianglenow that we know the shapes we must find out which shapes are shaded
regular hexagon (shaded)regular pentagon (not shaded)square (shaded)equilateral triangle (not shaded)now we know which shapes are shaded we can now form the equation to find the area
i will turn the shapes into varibles so its easier on my brain and yours
area of the regular hexagon= harea of the regular pentagon= parea of the square= sarea of the equilateral triangle= tshaded area= Awe can know use the info gathered earlier to create the equation
shaded area = (area of the regular hexagon - area of the regular pentagon (the hexagon is shaded while the pentagon is not therefore you would subtract the area of the hexagon by the area of the pentagon))+(area of the square- area of the triangle( same reason as the hexagon and pentagon the triangle is not shaded therefore creating a gap in the square)
or in other words with the variables
A=( h-p )+( s-t )
if your still not convinced see the attached image
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Probability of first marriage among women. A National Center for Health Statistics (NCHS) brief report by the Centers for Disease Control and Prevention (CDC) in 2009 identified that about 6% of women in the United States mar- ried for the first time by their 18th birthday 50% married by their 25th birthday, and 74% married by their 30th birthday. Based on these data, what is the probability that in a family with two daughters, the first and second daughter will be married by each of the following ages? la) 18 years of age b) 25 years of age c) 30 years of age
The probability that both will be married before the age of 18 is 0.0036. The probability that both will be married by the age of 25 is 0.25. Finally, the probability that both will be married by the age of 30 is 0.5476.
According to the brief report by NCHS, approximately 6% of women in the United States married for the first time before their 18th birthday, and 50% of women married by their 25th birthday. 74% of women married by their 30th birthday.The probability of a family with two daughters marrying at different ages is asked in the question. The probability that both daughters will be married by the ages of 18, 25, and 30 will be determined
The question requires finding the probability that both daughters of a family will be married by the ages of 18, 25, and 30 respectively. Since each daughter's wedding is a separate event, the individual probability of a daughter marrying at a given age will be determined separately and then multiplied together to get the probability of both daughters being married at the given age. So, let's find the probabilities of each daughter marrying at a given age:
Probability of one daughter getting married by 18 years:
As per the brief report, 6% of women in the United States married before the age of 18.
Therefore, the probability of one daughter getting married before the age of 18 is 0.06
Probability of one daughter getting married by 25 years:
As per the brief report, 50% of women in the United States get married by the age of 25. Therefore, the probability of one daughter getting married by 25 years is 0.5.
Probability of one daughter getting married by 30 years:
As per the brief report, 74% of women in the United States get married by the age of 30. Therefore, the probability of one daughter getting married by 30 years is 0.74.
The probability of both daughters getting married at the same age is the product of each daughter's probability of getting married at that age.
The probability that both daughters will get married before the age of 18 is:
P(both daughters married at 18 years) = P(daughter1 married at 18) × P(daughter2 married at 18)= 0.06 × 0.06= 0.0036
The probability that both daughters will get married by the age of 25 is:
P(both daughters married at 25 years) = P(daughter1 married at 25) × P(daughter2 married at 25)= 0.5 × 0.5= 0.25
The probability that both daughters will get married by the age of 30 is:
P(both daughters married at 30 years) = P(daughter1 married at 30) × P(daughter2 married at 30)= 0.74 × 0.74= 0.5476
The probability that in a family with two daughters, both will be married before the age of 18 is 0.0036. The probability that both daughters will be married by the age of 25 is 0.25. Finally, the probability that both daughters will be married by the age of 30 is 0.5476.
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a local pizza store offers a choice of seven toppings. how many distinct three-topping pizzas do they offer if no topping can be repeated?
The number of total number of ways a large pizza can be made with e 3 toppings without repetition is 35 , the number of ways a pizza can be made using 3 toppings is 35 , therefore in total there are 70 ways the pizza can be made using 3 toppings and 4 toppings.
In order to evaluate the following we have to relie on the principles of permutation and combination
(a) In case of large pizzas, there are 7 toppings to select from and we have to take 3 toppings without repetition.
This can be done in 7C3 ways
(7!)/(3! x (7-3)!)
= 35 ways.
(b) In case of three-topping pizzas, there are 7 toppings to select from and we have to take 3 toppings without repetition.
This can be done in 7C3 ways
(7!)/(3! x (7-3)!)
= 35 ways.
(c) In case of making 3 toppings and 4 toppings of pizzas, there are two cases:
Case 1: Three-topping pizzas
Number of ways a large pizza can be made with e 3 toppings without repetition is 35
Case 2: Four-topping pizzas
This is accomplished in 7C4 ways
(7!)/(4! x (7-4)!)
= 35 ways
Therefore, the total number of distinct three or four-topping pizzas is case 1 + case 2
= 35+35
= 70
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The complete question is
A local pizza store offers a choice of seven toppings and three sizes(small, medium, and large).
(a) How many distinct large three-topping pizzas do they offer,assuming that toppings cannot be repeated?
(b) How many distinct three topping pizzas do they offer, assuming that toppings cannot be repeated?
(c) How many distinct three or four-topping pizzas do they offer, assuming that toppings cannot be repeated?
A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression ANOVA shows the following results. ANOVA df SS MS F Significance F Regression 1.00 13,591.17 13,591.17 156.38 0.00 Residual 8.00 657.95 86.68 Total 9.00 14,249.12 What is the value of the coefficient of determination?
Multiple Choice
−0.9538
0.9766
0.6344
0.9538
The coefficient of determination, denoted by R^2, is a measure of how well the regression model fits the data. It represents the proportion of the total variation in the dependent variable (sales dollars) that is explained by the independent variable (number of contacts).
In this case, we can use the formula:
R^2 = SS_regression / SS_total
where SS_regression is the sum of squares of the regression (13,591.17) and SS_total is the total sum of squares (14,249.12).
Thus,
R^2 = 13,591.17 / 14,249.12
R^2 = 0.953
Therefore, the coefficient of determination is 0.953 or 95.3%. This means that 95.3% of the variation in sales dollars can be explained by the number of contacts made by the salesperson, and the remaining 4.7% is due to other factors not included in the model.
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pls help me thank you!
Answer:
D.
If possiable may i have brainlist?
The Cause and Effect diagram can be used to? Identify the causes for improving productivity, reduce costs in a process, define six-sigma, describe the relationship between various causes of a problem and its effect, improve fit and finish of a product
The Cause and Effect diagram, also known as the Fishbone diagram or Ishikawa diagram, can be used to identify the causes of a problem and understand the relationship between these causes and their effects. It is a tool commonly employed to improve productivity, reduce costs, define Six Sigma, and enhance the quality and performance of products or processes.
The Cause and Effect diagram is a visual tool that helps analyze the potential causes contributing to a specific problem or effect. It allows for the identification and categorization of various factors that could be influencing the desired outcome. By using this diagram, organizations can systematically investigate the root causes of issues and develop strategies to address them.
The diagram is typically structured with the effect or problem of interest at the right side, represented by a horizontal line. Then, several "bones" or lines stem from the main line, resembling a fish skeleton. These bones represent different categories of potential causes, such as people, methods, materials, machines, measurements, or the environment, depending on the nature of the problem being analyzed.
The Cause and Effect diagram helps teams brainstorm and map out potential causes within each category, allowing for a comprehensive understanding of the factors influencing the problem. This visual representation aids in identifying patterns, relationships, and interdependencies among causes, enabling organizations to develop targeted solutions to address the identified issues.
The tool is versatile and can be applied to various contexts, including improving productivity, reducing costs, defining Six Sigma goals and metrics, and enhancing the fit and finish of a product or process.
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PLEASE HELPPP
Just 16 and 18
i speak Russian but can’t understand this very well, the instructions aren’t really clear, what’s the translation?