Answers
The explicit rule is 2000 + 3500n
The salesperson has earned $33500 after 9 months since starting the job.
What is Linear Equation?
A linear equation is a mathematical equation that involves two variables and forms a straight line when graphed. It can be represented in the form of y = mx + b, where m is the slope and b is the y-intercept.
The explicit rule for the amount of money the salesperson has earned since starting the job can be given by:
Earnings = 2000 + 3500n
Where n represents the number of months since the salesperson started the job.
To find out how much money the salesperson has earned after 9 months, we can substitute n = 9 in the above formula:
Earnings = 2000 + 3500(9)
= 2000 + 31500
= $33500
Therefore, the salesperson has earned $33500 after 9 months since starting the job.
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Related Questions
Use the function f(x) to answer the questions.
f(x) = −16x2 + 60x + 16
Part A: What are the x-intercepts of the graph of f(x)? Show your work. (2 points)
Part B: Is the vertex of the graph of f(x) going to be a maximum or a minimum? What are the coordinates of the vertex? Justify your answers and show your work. (3 points)
Part C: What are the steps you would use to graph f(x)? Justify that you can use the answers obtained in Part A and Part B to draw the graph. (5 points)
Answers
Answer: Part A:
To find the x-intercepts of the graph of f(x), we need to set f(x) equal to zero and solve for x:
-16x2 + 60x + 16 = 0
Divide both sides by -4 to simplify:
4x2 - 15x - 4 = 0
We can use the quadratic formula to solve for x:
x = (-b ± sqrt(b2 - 4ac)) / 2a
Where a = 4, b = -15, and c = -4.
x = (-(-15) ± sqrt((-15)2 - 4(4)(-4))) / 2(4)
x = (15 ± sqrt(385)) / 8
Therefore, the x-intercepts are approximately 0.256 and 3.194.
Part B:
The coefficient of the x2 term in f(x) is -16, which is negative. This means that the graph of f(x) opens downward, so the vertex is a maximum.
The x-coordinate of the vertex can be found using the formula:
x = -b / 2a
Where a = -16 and b = 60.
x = -60 / 2(-16) = 1.875
To find the y-coordinate of the vertex, we can plug in this value of x into the equation for f(x):
f(1.875) = -16(1.875)2 + 60(1.875) + 16 = 80.25
Therefore, the coordinates of the vertex are (1.875, 80.25).
Part C:
To graph f(x), we can use the information we obtained in Part A and Part B. We know that the x-intercepts are approximately 0.256 and 3.194, and the vertex is at (1.875, 80.25).
We can also find the y-intercept by plugging in x = 0:
f(0) = -16(0)2 + 60(0) + 16 = 16
Therefore, the y-intercept is (0, 16).
Using all of this information, we can sketch the graph of f(x) as a downward-opening parabola with x-intercepts at approximately 0.256 and 3.194, a vertex at (1.875, 80.25), and a y-intercept at (0, 16).
Step-by-step explanation:
What expression is equivalent to ^3sqrt27x + ^3sqrtx if x=0??
Answers
The expression [tex]^3\sqrt {27x} + ^3\sqrt{x}[/tex] is equivalent to 0 when x=0.
What is the equivalent expression?
Equivalent expressions are expressions that perform the same function despite their appearance. If two algebraic expressions are equivalent, they have the same value when we use the same variable value.
If x=0, then the expression [tex]^3\sqrt {27x} + ^3\sqrt{x}[/tex] becomes:
And we are given that x=0. So, we can substitute x=0 into the expression:
[tex]^3\sqrt{ 27 * 0} + ^3\sqrt{0}[/tex]
= 0 + 0 = 0
The first term simplifies to ∛(0), which is 0, because any number raised to the 1/3 power and multiplied by 0 is equal to 0.
The second term also simplifies to ∛(0), which is 0, because any number raised to the 1/3 power and multiplied by 0 is equal to 0.
Therefore, the sum of the two terms is 0.
Hence, the expression [tex]^3\sqrt {27x} + ^3\sqrt{x}[/tex] is equivalent to 0 when x=0.
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Help solve anyone you can help me with
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The surface area of the frustum is approximately 68.49 cm^2 and the volume is approximately 105 cm^3.
How to solveTo calculate the surface area and volume of the frustum of a pyramid, we first need to determine the slant height of the frustum, which we can do using the Pythagorean theorem.
Calculate the slant height of the frustum:
Let s1 and s2 be the side lengths of the top and bottom squares, and h be the height of the frustum.
The slant height (l) can be calculated using the Pythagorean theorem:
l = sqrt(h^2 + ((s2 - s1)/2)^2)
l = sqrt(5^2 + ((6 - 3)/2)^2)
l = sqrt(25 + 1.5^2)
l = sqrt(25 + 2.25)
l = sqrt(27.25)
l ≈ 5.22 cm
Calculate the surface area of the frustum:
Surface area = top square area + bottom square area + lateral surface area
Top square area = s1^2 = 3^2 = 9 cm^2
Bottom square area = s2^2 = 6^2 = 36 cm^2
Lateral surface area = 0.5 * (s1 + s2) * l = 0.5 * (3 + 6) * 5.22 ≈ 23.49 cm^2
Total surface area ≈ 9 + 36 + 23.49 = 68.49 cm^2
Calculate the volume of the frustum:
We can use the following formula to calculate the volume of a frustum:
Volume = (h/3) * (A1 + A2 + sqrt(A1 * A2))
Where A1 and A2 are the areas of the top and bottom squares, respectively:
A1 = 3^2 = 9 cm^2
A2 = 6^2 = 36 cm^2
Volume = (5/3) * (9 + 36 + sqrt(9 * 36))
Volume = (5/3) * (45 + sqrt(324))
Volume = (5/3) * (45 + 18)
Volume = (5/3) * 63
Volume ≈ 105 cm^3
So, the surface area of the frustum is approximately 68.49 cm^2 and the volume is approximately 105 cm^3.
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Please help!! this is rizzcalc
Answers
The curve described by these parametric equations is the graph of the Cartesian equation: x = 2e^[(1 - y)/5]
What is the Cartesian equation?To eliminate the parameter t, we need to find a way to express t in terms of x and y, and then substitute that expression into one of the equations to eliminate t.
x(t) = 2e^t
y(t) = 1 - 5t
Let's start by solving the second equation for t:
y = 1 - 5t
Adding 5t to both sides, we get:
5t = 1 - y
Dividing both sides by 5, we get:
t = (1 - y)/5
Now we can substitute this expression for t into the first equation:
x = 2e^t
x = 2e^[(1 - y)/5]
This is the Cartesian equation in terms of x and y. We have eliminated the parameter t and expressed the equation solely in terms of x and y.
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Brandi bought 3 pies and 2 cup cakes for $17.5. Ronnie
bought 4 pies and 2 cup cakes for $22.00 How much does
the pies cost?
O $2.00
O $3.25
O $1.75
O $4.50
Answers
Answer: 4.50
Step-by-step explanation: first of start with simple multiplacation to find wich adds up to 17.5 first you multiplye 4.50x3=13.5 then 1.72x2=3.5
add them together to get 13.5+3.5= 17.5 therfor the Answer will be 4.50
seven new employees, two of whom are married to each other, are to be assigned seven desks that are lined up in a row. if the assignment of employees to desks is made randomly, what is the probability that the married couple will have adjacent desks? (round your answer to the nearest tenth of a percent.)
Answers
The probability that the married couple will have adjacent desks is 0.72.
Probability means how likely an event is to occur. In many real-life situations, we may have to predict the outcome of events. We may or may not be fully aware of the outcome of the event. In this case, we say it will happen or not. The result often has good applications in sports, business as a result of forecasting, and the result is also widely used in the field of new intelligence.
Mathematically, the number of ways to assign 6 desks to 6 employees is equal to 8!
Now,
the number of ways the couple can interchange their desks is just 2 ways
Thus,
the number of ways to assign desks such that the couple has adjacent desks is 2(6!)
The number of ways to assign desks among all six employees randomly is 7!
Thus, the probability that the couple will have adjacent desks would be ;
2(6!)/7! = 2/7
This means that the probability that the couple have non adjacent desks is 1-2/7 = 5/7 = 0.71428 ≈ 0.72
Which is 0.72 to the nearest tenth of a percent
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PLEASE HELP ME THIS IS URGENT I WILL GIVE BRAINLIEST
Answers
Answer: it is going to be 1/100
The scale factor is basically like saying ratio.
60 millimeters is 60/1000 of a meter.
since there are 6 meters multiply by 6
60/6000
6/600
1/100
The movie was played in a scale factor of 1/100
Step-by-step explanation:
Can someone please help me ASAP? It’s due today!! Read the question. I will give brainliest if it’s all correct
Answers
The order from least to greatest is:
Neither the letters nor the numbers can be repeated.The letters can repeat, but the numbers cannot repeat.The number can repeat, but the letters cannot repeat.The letter "O" cannot be used, but there are no restrictions on repeating the other letters or numbers.What are the possible license situation?The number of possible license plates for each situation:
Neither the letters nor the numbers can be repeated: 26 x 25 x 9 x 8 x 7 = 327,600
The letters can repeat, but the numbers cannot repeat: 26 x 26 x 9 x 8 x 7 = 405,504
The number can repeat, but the letters cannot repeat: 26 x 25 x 9³ = 5,153,250
The letter "O" cannot be used, but there are no restrictions on repeating the other letters or numbers: 25 x 25 x 9 x 9 x 9 = 15,187,500
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Image transcribed:
Use the arrows to move each item into the correct order. Click the "up" arrow to move the item up, or click the "down" arrow to move the item down. Once all the items are in the correct order, submit your response.
A bike license consists of 2 letters, using any of the 26 letters in the alphabet, followed by 3 digits from 1 to 9. Calculate the number of possible license plates in each situation, then order them from least to greatest.
↑ ↓The letters can repeat, but the numbers cannot repeat.
↑ ↓The numbers can repeat, but the letters cannot repeat.
↑ ↓Neither the letters nor the numbers can be repeated.
↑ ↓The letter "o" cannot be used, but there are no restrictions on repeating the other letters or numbers.
a circle has an area of 78.5 units2 and a circumference of 31.4 units. if the radius is 5 units, what can be said about the relationship between the area and the circumference? (use 3.14 for .)
Answers
Step-by-step explanation:
give atleast 2 situations,in which you would store the data on cloud storage
Relationship between the area and the circumference of the circle is that they are proportional to each other.
The relationship between the area and the circumference of a circle with a radius of 5 units that has an area of 78.5 units² and a circumference of 31.4 units can be expressed as follows:
Area = πr²
where r is the radius of the circle.
Area = π(5)² = 78.5 units²
Therefore, the area of the circle is 78.5 units².
Circumference = 2πr,
where r is the radius of the circle.
2πr = 31.4 units
Therefore, 2π(5) = 31.4 units
Therefore, the circumference of the circle is 31.4 units.
Since the radius is the same, the relationship between the area and the circumference of the circle is that they are proportional to each other.
Area : Circumference
πr² : 2πr
r : 2
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A tortoise takes 141 hours to walk 65 miles. At this rate, how long does it take her to walk 1 mile
Answers
The number of hours for the tortoise to walk 1 mile will be 1.5 hours.
Speed:
Speed is defined as the length traveled by a particle or entity in an hour. It is a scale parameter. It is the ratio of length to duration. The pie divides the dimension of distance by time. The SI unit of speed is meter per second (m/s), but the most common unit of speed in everyday use is kilometer per hour (km/h), or in the US and UK United, the mile per hour (mph). air And for sea travel, knots are commonly used.
We know that the speed formula
Speed = Distance/Time
A tortoise takes 1 1/4 hours to walk 5/6 miles.
Convert the mixed fraction number into a decimal number.
1 ¹/₄ = 1.25 hours
Then the speed of the tortoise will be calculated as,
⇒ Speed = (5/6) / 1.25
⇒ Speed = 0.667 miles per hour
The number of hours for the tortoise to walk 1 mile will be calculated as,
⇒ T = 1 / 0.667
⇒ T= 1.5 hours
The number of hours for the tortoise to walk 1 mile will be 1.5 hours.
Complete Question:
A tortoise takes 1 1/4 hours to walk 5/6 miles. At this rate, how long does it take her to walk 1 mile?
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Solve.
3/4 + (1/3 divided by 1/6) - (-1/2) =
Answers
3/4+(1/3x6)-(1/2)
3/4+2-1/2
3/4+8/4-2/4
=9/4
In a green house basil is grown in planters that have a base of 3 1/2 by 1 3/4. If there is a 3x3 array of these planters with no space between them, what is the are covered by the planters?
Answers
1 3/4. (i could be wrong)
PLEASE HELP
find the first 5 terms of each sequence (see picture)
Answers
The first five terms of the sequences are 2, 3, 5, 9, 17. and 1, 4, 7, 10, 13
Calculating the first five terms
Using the formula, an = 2an-1 - 1 where a1 = 2, we can find the first few terms of the sequence as follows:
a2 = 2a1 - 1 = 2(2) - 1 = 3
a3 = 2a2 - 1 = 2(3) - 1 = 5
a4 = 2a3 - 1 = 2(5) - 1 = 9
a5 = 2a4 - 1 = 2(9) - 1 = 17
Therefore, the first five terms of the sequence are: 2, 3, 5, 9, 17.
For the second sequence, the first five terms are
1, 4, 7, 10, 13
Because the common difference is 3
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reasons to include an interaction term in our model include which of the following? (1) to estimate context-specific effects of some predictor variable on the outcome (y). (2) if the joint effect of two variables on the outcome can be correctly modeled as the sum of the main effects associated with each variable. (3) looking at an anova table suggests that an interaction term noticeably improves the predictive power of the model.
Answers
Reasons to include an interaction term in our model include (1) to estimate context-specific effects of some predictor variable on the outcome (y) and (2) if the joint effect of two variables on the outcome cannot be correctly modeled as the sum of the main effects associated with each variable. So, the correct answers are (1) and (2).
Including an interaction term can be useful to estimate the context-specific effects of some predictor variable on the outcome (y) when the effect of that predictor on the outcome may depend on the value of another predictor variable.
Additionally, including an interaction term can be necessary if the joint effect of two predictor variables on the outcome cannot be correctly modeled as the sum of the main effects associated with each variable.
This is because the effect of one predictor variable on the outcome may depend on the value of the other predictor variable, and this dependency cannot be captured by the main effects alone.
So, the correct options are (1) and (2).
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c/0.5 - 3.2 = 2.6 I dont get it
Answers
Answer:
c/0.5= 2.6+3.2
c= 5.8×0.5
c=2.9
The heights of 11 plants, in inches, are listed. 14, 15, 16, 16, 17, 17, 17, 18, 18, 19, 22 If another plant with a height of 14 inches is added to the data, how would the range be impacted? The range would decrease to 8 inches. The range would stay the same value of 8 inches. The range would increase to 17 inches. The range would stay the same value of 18 inches.
Answers
The range wοuld stay the same value οf 8 inches.
What is average?Let's lοοk at the average fοrmula in mοre detail in this part and use sοme examples tο illustrate hοw it may be used. The fοllοwing is an example οf the average fοrmula fοr a specific set οf data οr οbservatiοns: Average = (Sum οf Observatiοns) ÷ (Tοtal Numbers οf Observatiοns).
In the οriginal data set, the maximum value is 22 inches and the minimum value is 14 inches, sο the range is:
22 - 14 = 8 inches
If anοther plant with a height οf 14 inches is added tο the data, the minimum value will still be 14 inches, but the maximum value will nοw be 22 inches (since there are twο plants with a height οf 22 inches).
Therefοre, the range will increase:
22 - 14 = 8 inches
Sο the cοrrect answer is: The range wοuld stay the same value οf 8 inches.
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High Order Thinking Skills (HOTS) Q10. The amount of petrol in a tank is twice of that in another tank. If we draw out 25 litres from firs & add it the other, the amount of petrol in both the tanks will be the same. Find the amount o petrol in each tank now. ** Downloaded from www.studiestoday.com
Answers
Let the amount of petrol in the first tank be x liters.
Then, the amount of petrol in the second tank is 2x liters.
After taking out 25 liters of petrol from the first tank and adding it to the second tank, the total amount of petrol in both tanks becomes the same. Let y be this common amount of petrol in both tanks.
So, after the transfer of petrol:
Amount of petrol in the first tank = x - 25
Amount of petrol in the second tank = 2x + 25
As per the problem statement, these two amounts are equal. Therefore:
x - 25 = 2x + 25
Solving for x, we get:
x = 50
Substituting x = 50 in the expressions for the amounts of petrol in the two tanks, we get:
Amount of petrol in the first tank = x - 25 = 50 - 25 = 25 liters
Amount of petrol in the second tank = 2x + 25 = 2(50) + 25 = 125 liters
Therefore, the amount of petrol in the first tank is 25 liters and the amount of petrol in the second tank is 125 liters.
According to the problem, the amount of petrol in the second tank is twice that in the first tank, which means the amount of petrol in the second tank is 2x liters.
If we draw out 25 liters from the first tank and add it to the second tank, the amount of petrol in both tanks will be the same. Therefore, the total amount of petrol in both tanks after the transfer is (x - 25) + (2x + 25) = 3x.
Since the amount of petrol in both tanks is the same after the transfer, we can set up an equation:
x - 25 = (2x + 25) / 2
Simplifying this equation, we get:
2x - 50 = 2x + 25
2x - 2x = 25 + 50
x = 75
Therefore, the amount of petrol in the first tank is 75 liters, and the amount of petrol in the second tank is 2x = 2*75 = 150 liters.
Type the correct answer in the box. Spell all words correctly.
Why is Net WPM a better formula than Gross WPM to calculate typing speed?
Net WPM is a better formula than Gross WPM to calculate typing speed because it includes
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Answers
Net WPM is a better formula than Gross WPM to calculate typing speed because it provides a more comprehensive and accurate measure of a person's typing abilities
What is the speed?Speed is a measure of how fast an object or person is moving. It is usually expressed in units of distance per unit of time, such as miles per hour (mph), kilometers per hour (km/h), or meters per second (m/s).
Net WPM is a better formula than Gross WPM to calculate typing speed because it takes into account the number of errors made during typing.
Gross WPM (Words Per Minute) is calculated by dividing the total number of characters typed by 5 (the average number of characters in a word) and then dividing the result by the time taken to type those characters in minutes.
However, Gross WPM does not account for any mistakes made during typing.
On the other hand, Net WPM calculates the typing speed by subtracting the number of errors made during typing from the total number of words typed and then dividing the result by the time taken to type.
This formula provides a more accurate measure of the typing speed, as it takes into account the accuracy of typing as well as the speed.
Therefore, Net WPM is a better formula than Gross WPM to calculate typing speed because it provides a more comprehensive and accurate measure of a person's typing abilities
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A
Samuel's specialty is fences. He has a standard fence he likes to build. It's
perimeter is 76 2/3 feet. If Samuel builds eight of these fences, how many feet of
material will he need? Explain how you found your answer.
Answers
Answer:
Samuel will need 614 2/3 feet of material to build eight of his standard fences. To find this answer, we simply need to multiply 76 2/3 feet (the perimeter of one fence) by 8 (the number of fences he wants to build). Thus, 76 2/3 feet x 8 = 614 2/3 feet.
Trisha and her three sisters to
decide to purchase their mom a
Christmas gift. They decide that
everyone will contribute an equal
amount, up to $60 per person.
How much money will the sisters
spend on their mom for
Christmas?
Answers
Answer:
The sisters will spend a total of $240 on their mom for Christmas.
Step-by-step explanation:
$60 x 4 (sisters) = $240
///////////////lelelelelelelelel//////
Answers
Answer: I do not understand this question
Step-by-step explanation: Enjoy your day today
A farmer is constructing a small fenced in area that can be describe with the ordered pairs (2,3), (2,8), (6,8), and (6,3). The units for both x and y are feet. Make a graph. The find the amount of fencing he will need.
Answers
We need to find the perimeter of the shape given by the coordinates. Let's start by drawing a Cartesian coordinate system and identifying the points. This will give us information about the geometric shape.
A Cartesian coordinate system is given in the photos below and the indicated points [(2,3), (2,8), (6,3) and (6,8)] are marked.
We can see that this shape is a rectangle. A rectangle is home to two sides of different lengths, long and short. To find the perimeter of a rectangle, we add the length of the long side and the length of the short side and multiply the result by [tex]2[/tex]. (Because a rectangle must have [tex]2[/tex] long sides and [tex]2[/tex] short sides).
The rectangle in the figure has a long side length of [tex]5[/tex] feet and a short side length of [tex]4[/tex] feet.
Perimeter: [tex]2(L+S) = 2(5+4)=18ft.[/tex]
A customer purchased a book that had an original price for $38. The book is discounted 25%. The customer must pay a 6% sales tax on the discounted price of the book.
What is the total amount, in dollars, the customer pays for the discounted book?
Enter your answer in the box.
Answers
$30.21 is the total amount, in dollars, the customer pays for the discounted book.
If the original price of the book was $38, and it was discounted by 25%, then the discounted price of the book would be:
Discounted price = Original price - Discount
Discounted price = $38 - 0.25 x $38
Discounted price = $28.50
Now, the customer must pay a 6% sales tax on the discounted price of the book. The sales tax can be calculated as:
Sales tax = 0.06 x Discounted price
Sales tax = 0.06 x $28.50
Sales tax = $1.71
Therefore, the total amount the customer pays for the discounted book is the sum of the discounted price and the sales tax:
Total amount = Discounted price + Sales tax
Total amount = $28.50 + $1.71
Total amount = $30.21
So, the customer pays $30.21 for the discounted book
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most computer languages include a function that can be used to generate random numbers. in excel, the rand function can be used to generate random numbers between and . if we let denote a random number generated using rand, then is a continuous random variable with the following probability density function. a. select the probability density function. 1. 2. 3. 4. choose the correct graph from above: - select your answer - b. what is the probability of generating a random number between and (to 1 decimal place)? c. what is the probability of generating a random number with a value less than or equal to (to 1 decimal place)? d. what is the probability of generating a random number with a value greater than (to 1 decimal place)? e. using random numbers given below, compute the mean and standard deviation. 0.931806 0.398110 0.216843 0.826248 0.323101 0.235342 0.105300 0.203744 0.973537 0.181343 0.848380 0.602418 0.013789 0.495464 0.365786 0.027959 0.782500 0.232680 0.913043 0.689042 0.399642 0.982936 0.724617 0.088320 0.152830 0.303524 0.706177 0.076412 0.937273 0.367035 0.155910 0.003958 0.442786 0.769659 0.098387 0.995570 0.953256 0.497222 0.428427 0.531733 0.895690 0.717929 0.257446 0.478400 0.810417 0.666180 0.071199 0.876201 0.545347 0.159312 mean (to 6 decimals) standard deviation (to 6 decimals)
Answers
a. The probability density function of the random variable generated using rand in Excel is:1:b. The probability of generating a random number between 0.2 and 0.8 can be found by calculating the area under the probability density function between those values:P(0.2 ≤ X ≤ 0.8) = ∫0.8 0.2 f(x) dxP(0.2 ≤ X ≤ 0.8) ≈ 0.6Therefore, the probability of generating a random number between 0.2 and 0.8 is approximately 0.6.c. The probability of generating a random number with a value less than or equal to 0.5 can be found by calculating the area under the probability density function up to that value:P(X ≤ 0.5) = ∫0.5 0 f(x) dxP(X ≤ 0.5) ≈ 0.5Therefore, the probability of generating a random number with a value less than or equal to 0.5 is approximately 0.5.d. The probability of generating a random number with a value greater than 0.8 can be found by calculating the area under the probability density function above that value:P(X > 0.8) = ∫1 0.8 f(x) dxP(X > 0.8) ≈ 0.1Therefore, the probability of generating a random number with a value greater than 0.8 is approximately 0.1.e. Using the given random numbers, we can calculate the mean and standard deviation as follows:Mean:μ = (0.931806 + 0.398110 + 0.216843 + ... + 0.545347 + 0.159312) / 50μ ≈ 0.464257Therefore, the mean of the given random numbers is approximately 0.464257.Standard deviation:s = sqrt([(0.931806 - μ)^2 + (0.398110 - μ)^2 + ... + (0.545347 - μ)^2 + (0.159312 - μ)^2] / (50 - 1))s ≈ 0.316221Therefore, the standard deviation of the given random numbers is approximately 0.316221.
a. The probability density function is 1.
b. The probability of generating a random number between 0.2 and 0.8 is 0.6.
c. The probability of generating a random number with a value less than or equal to 0.5 is 0.5.
d. The probability of generating a random number with a value greater than 0.7 is 0.3.
e. The mean is 0.472817 and the standard deviation is 0.316211.
Pls help ill offer 12 points
Answers
Answer:
Point L
Step-by-step explanation:
Which point represent the ordered pair
(2, -[tex]\frac{7}{2}[/tex])
-7/2 = -3.5
Looking at it we see point L is the answer.
One leg of a right triangle is twice the length of the other leg. The length of the hypotenuse is √45 centimeters. Let x represent the length of the shorter leg. Use the Pythagorean Theorem to write and solve an equation to find the length of the legs.
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Answer:
Let's use the Pythagorean Theorem, which states that in a right triangle, the square of the length of the hypotenuse (the longest side) is equal to the sum of the squares of the lengths of the other two sides.
In this case, we are given that one leg (let's call it the shorter leg) is twice the length of the other leg. So, if we let x represent the length of the shorter leg, then the longer leg has a length of 2x.
We are also given that the length of the hypotenuse is √45 centimeters. We can simplify this by noticing that √45 = √(9 × 5) = √9 × √5 = 3√5. So the length of the hypotenuse is 3√5 centimeters.
Now we can write the Pythagorean Theorem equation:
x^2 + (2x)^2 = (3√5)^2
Simplifying, we get:
x^2 + 4x^2 = 45
5x^2 = 45
x^2 = 9
x = 3
So the shorter leg has a length of 3 centimeters, and the longer leg has a length of 2x = 2(3) = 6 centimeters.
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Step-by-step explanation:
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Suppose a new cross section was created in each solid, both at the same height, using some scale factor k. How would the areas of these 2 cross sections compare? Explain your reasoning.
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The areas of the two cross-sections would be proportional to k².
If a new cross-section was created in each solid, both at the same height using a scale factor k, the areas of the two cross sections would be proportional to k².
The reason for this is that when a scale factor is applied to a two-dimensional figure, the area of the resulting figure increases by a factor of k². This is because the linear dimensions of the figure (length and width) are multiplied by k, and since the area is calculated by multiplying length and width, the area of the figure is multiplied by k².
Therefore, if the two cross sections are created at the same height and are scaled by the same factor k, their areas will be proportional to k². For example, if k=2, the area of each cross-section will be four times the original area; if k=3, the area of each cross-section will be nine times the original area, and so on.
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The area of the space devoted to paintings is: 600 ft²
How to find the area of the triangle?The formula for the area of a triangle is expressed as:
A = ¹/₂ * b * h
where:
A is area
b is base
h is height
From the 7th grade painting, we see that each box of 1 unit represents 10 ft actually.
Thus, area of space devoted to paintings is:
Area = ¹/₂ * 40 * 30
= 600 ft²
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an air line reports the 94% of its flights arrive on time describe the complement of the flight arriving on time
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The percentage of flights that do not arrive on time is 6%.
If we have to calculate percent of a number, divide the number by the whole and multiply by 100. Hence, the
percentage means, a part per hundred. The word per cent means per 100.
An air line reports the 94% of its flights arrive on time.
The complement of the flight arriving on time would be the percentage of flights that do not arrive on time.
To calculate the complement, you can subtract the percentage of flights arriving on time from 100%.
The complement of the flight arriving on time = 100% - 94% = 6%
Therefore, the percentage of flights that do not arrive on time is 6%.
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