As a result, the vertices' values when mirrored along the x-axis are W' (-5,-0), X' (0,-2), and Y'. (-1,3).
The coordinates meaning is unclear?In this case, coordinates refer to the edges of a grid structure. Latitude and longitude are often combined to form GPS measurements. Lines of latitude measure how far north and south are from the center of the earth, which is located at 0 degrees north and south.
When a point is reflected across the x-axis, the y-coordinate changes sign while the x-coordinate remains the same.
For point W (-5,0), reflecting across the x-axis results in the point W' (-5,-0).
For point X (0,2), reflecting across the x-axis results in the point X' (0,-2).
For point Y (-1,-3), reflecting across the x-axis results in the point Y' (-1,3).
Therefore, the coordinates of the vertices when reflected across the x-axis are:
W' (-5,-0), X' (0,-2), Y' (-1,3).
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Eight avocados cost $4. How much is 1 avocado?
The cost of one avacado is equal to 0.5$ and it is found by the use of division method.
One of the four fundamental mathematical operations, along with addition, subtraction, and multiplication, is division. an a person who knows what I mean by just calling it what they do when they just want to go to the store. Just call it what they call it, whatever ites. Really, whatever it is, these are the same people. It is a mathematical operation used for equal distribution and equal grouping.
One of the fundamental mathematical operations is division, which involves breaking a larger number into smaller groups with the same number of items.
We are given the cost of 8 avacados= $4.
The cost of 1 avacado= 1/8 * 4 = 1/2 = 0.5.
Hence, the cost of one avacado is equal to $0.5.
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higgins iced cream shop sells ice cream in cone containers. The diameter of the cone containers in 2.5 inches, and the height is 6 inches. One tub of Higgins Ice cream is 384 ounces, and 1 cubic inch is equivalent to .55. What is the maximum number of cone containers higgins ice cream shop can fill completely with one tub of ice cream?
There isn't a way we get a fractional number or cones, we roll down to the closest full amount: 28 cones. The great majority of cone boxes that Higgins Shop can fill to the brim by one ice cream tub is 28.
What does 3 + 4 represent as a fraction?or as one number followed by the other number inside a line of text, as in: 3/4. 3 out of 4 components are represented by the fraction 3/4, or three quarters. The term "numerator" refers to the higher number, 3, whereas the term "denominator" refers to the lower number, 4.
Its radius is 2.5/2 ≈ 1.25 inches because the cone container's diameter is specified as 2.5 inches. It states that the height is 6 inches.
Thus, one cone container has a volume of: V = (1/3)(1.25)2(6)V 7.35 cubic inches.
We must now determine which of these cone-shaped containers one tub of cream can fit into.
First, we must convert 1 tub of ice cream's volume from inches to cubic centimeters.
211.2 cubic inches from 384 ounces divided by 0.55 cubic inches per ounce.
Secondly, we divide a volume of a cone container by volume of an ice cream tub:
28.77 cones out of 28.12 cubic inches at 7.35 cubic inches each
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16. Movie tickets for an adult and three children cost $29. An adult's
ticket is $3 more than a child's ticket. Find the cost of an adult's ticket.
factor x^2=14x-18=-8x-2
Answer:
=(x+9)(x+5)
Step-by-step explanation:
What is the MAD of 12, 10, 12, 6, 8, 4, 2, 12,
The mean absolute deviation (MAD) of the given set of data is 3.875.
To calculate the mean absolute deviation, we first need to find the mean of the data set by adding up all the numbers and dividing by the total number of values:
Mean = (12 + 10 + 12 + 6 + 8 + 4 + 2 + 12) / 8
Mean = 8
Next, we find the absolute deviation of each number from the mean. To do this, we subtract the mean from each number and take the absolute value:
|12 - 8| = 4
|10 - 8| = 2
|12 - 8| = 4
|6 - 8| = 2
|8 - 8| = 0
|4 - 8| = 4
|2 - 8| = 6
|12 - 8| = 4
Then, we find the mean of the absolute deviations:
Mean absolute deviation = (4 + 2 + 4 + 2 + 0 + 4 + 6 + 4) / 8
Mean absolute deviation = 26 / 8
Mean absolute deviation = 3.875
Therefore, the mean absolute deviation of the given set of data is 3.875.
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Complete Question:
what is the mean absolute deviation of the following set of data 12 10 12 6 8 4 2 12.
60%of the fans at a hockey game were wearing red if there were 6040 how many were wearing red? On a double line
We can claim that after answering the above question, the Therefore, equation there were 3624 fans wearing red at the hockey game.
What is equation?In mathematics, an equation is a statement that states the equality of two expressions. An equation is made up of two sides separated by an algebraic equation (=). For example, the argument "2x + 3 = 9" contends that the sentence "2x + 3" equals the value "9". The purpose of equation solving is to identify the value or values of the variable(s) that will make the equation true. Simple or complex equations, regular or nonlinear, with one or more factors are all possible. For example, in the equation "x2 + 2x - 3 = 0," the variable x is raised to the second power. Lines are utilized in many areas of mathematics, including algebra, calculus, and geometry.
Let's start by setting up a proportion:
[tex]60/100 = x/6040\\100x = 60 * 6040\\x = (60 * 6040) / 100\\x = 3624[/tex]
Therefore, there were 3624 fans wearing red at the hockey game.
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rent-a-reck incorporated finds that it can rent cars if it charges for a weekend. it estimates that for each price increase it will rent three fewer cars. what price should it charge to maximize its revenue? how many cars will it rent at this price?
Rent-A-Reck Incorporated should charge $95 to maximize its revenue and the company will rent 45 cars at a price of $95.
To determine the price that will maximize Rent-A-Reck Incorporated's revenue, we need to consider the relationship between the price of renting a car and the number of cars that are rented.
Based on the information provided, we know that the demand for rental cars decreases as the price increases. Specifically, for each $5 increase in price, two fewer cars will be rented.
Let's denote the price of renting a car as P and the number of cars rented as Q. Then we can express the relationship between price and quantity as:
Q = 60 - 2(P - 80)/5
This equation tells us that as the price P increases, the number of cars rented Q decreases. We can also use this equation to find the price that will maximize revenue. Revenue is calculated by multiplying the price by the number of cars rented, so we can write the revenue function as:
R = P(Q) * Q
= P * (60 - 2(P - 80)/5)
To find the price that maximizes revenue, we need to find the value of P that makes R as large as possible. One way to do this is to take the derivative of R with respect to P and set it equal to zero:
dR/dP = (60 - 2(P - 80)/5) - 2P/5 = 0
Solving for P, we get:
P = $95
To find the number of cars that will be rented at this price, we can substitute P = $95 into the demand equation:
Q = 60 - 2($95 - $80)/5
= 45
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Complete question is:
Rent-A-Reck Incorporated finds that it can rent 60 cars if it charges $80 for a weekend. It estimates that for each $5 price increase it will rent two fewer cars. What price should it charge to maximize its revenue? How many cars will it rent at this price?
A nationwide coffee chain is downsizing its branches in six states It has already told the store man
the nationwide coffee chain is downsizing its branches in six states, and has already informed the store managers. The process should involve analyzing the reasons for downsizing, identifying the branches to be downsized, developing a transition plan, implementing the plan, and monitoring the progress and results.
The question asks about a nationwide coffee chain that is downsizing its branches in six states and has informed the store managers.
To answer this question, we can discuss the process of downsizing branches and the possible reasons behind it.
Analyze the reasons for downsizing
The coffee chain may be downsizing due to financial challenges, declining sales, or a shift in strategic focus. Understanding the reasons for downsizing will help in determining the best approach to manage the process.
Identify the branches to be downsized
The coffee chain must have a clear plan for which branches in the six states will be downsized. This can be based on factors such as sales performance, location, and overall profitability of each branch.
Inform the store managers
The coffee chain has already taken this step by informing the store managers about the downsizing. This is important to ensure that they are aware of the changes and can communicate this information to their employees.
Develop a transition plan
The coffee chain should develop a comprehensive plan to manage the downsizing process. This could involve offering support to affected employees, such as providing severance packages, job placement assistance, or opportunities to transfer to other branches.
Implement the downsizing plan
Once the plan has been developed, the coffee chain can begin the process of downsizing the identified branches. This may involve closing or merging some locations, reducing staff, and reallocating resources.
Monitor the progress and results
After the downsizing process is complete, the coffee chain should closely monitor the outcomes and make any necessary adjustments to ensure the desired results are achieved.
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find the Lcm of the two numbers 294 and 714 using their Hcf
Answer:
Step-by-step explanation:
SOMEONE HELP I WILL GIVE U BRAINLEST PLS 1-10
Answer:
7/4
Step-by-step explanation:
if you divide 7/4, you will get 1.75 which is greater than 1.43.
Answer:
Hi, your answer is 7/4
Step-by-step explanation:
Hope this helps :D
Could someone help me? Please.
The solution of the system of equations is (2, 1).
How to solve the system of equations graphically?Here we have the system of equations:
y = 2x - 3
y = -x + 3
To solve the system of equations graphically, we need to graph both of these lines in the same coordinate axis and then find the point where the lines intersect.
That point will be the solution of the system.
On the image at the end you can see the graph of the system of equations, there we can see that the solution is (2, 1).
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20 out of 21 students want pancakes and the rest want waffles. What is the ratio of the number of students who want waffles to the total number of students?
Answer: 20:21 or 20 to 21
Step-by-step explanation:
Answer:
If 20 out of 21 students want pancakes, then only 1 student wants waffles.
The ratio of the number of students who want waffles to the total number of students is therefore:
1 waffle student : 21 total students
or simplified as:
1 : 21
So the ratio is 1 to 21
philip is making snack mix to take on his family's upcoming road trip. he mixes 2 pounds each of pretzels, peanuts, and cheese crackers. then, he splits the mix evenly among 12 bags. how many ounces of snack mix does philip put in each bag?
Philip puts 8 ounces of snack mix in each bag. To get this answer, we found the total weight of the mix by adding the weights of the three ingredients and converted it to ounces.
First, we need to find the total weight of the mix. Since Philip mixes 2 pounds of each ingredient and he has three ingredients, the total weight of the mix is:
2 pounds + 2 pounds + 2 pounds = 6 pounds
Since there are 16 ounces in a pound, the total weight of the mix in ounces is:
[6 pounds] 16 ounces/pound = 96 ounces
To find how many ounces of mix Philip puts in each bag, we divide the total weight of the mix by the number of bags:
96 ounces / 12 bags = 8 ounces per bag
Therefore, Philip puts 8 ounces of snack mix in each bag.
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This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. A tank contains 15,000 L of brine with 22 kg of dissolved salt. Pure water enters the tank at a rate of 150 L/min. The solution is kept thoroughly mixed and drains from the tank at the same rate. Exercise (a) How much salt is in the tank after t minutes? Click here to begin! Exercise (b) How much salt is in the tank after 10 minutes? Click here to begin! Need Help? Read It Talk to a Tutor
Answer:
a) 22e^-0.01t kilograms
b) about 19.906 kilograms
Step-by-step explanation:
You want an equation for the amount of salt in a 15 kL brine tank initially containing 22 kg of salt if 150 L/min of the contents is replaced by pure water.
(a) Remaining saltThe quantity of salt s(t) in kilograms can be described by the differential equation ...
s(0) = 22; s'(t) = -150/15000·s(t)
The solution can be found by separation of variables.
[tex]\displaystyle\dfrac{ds}{dt}=-0.01s\\\\\int{\dfrac{1}{s}}\,ds=-0.01\int{}\,dt\\\\\ln{s}=-0.01t+c_1\\\\s=c_2\cdot e^{-0.01t}\qquad\text{where $c_2$ is $s(0)=22$}\\\\\boxed{s(t)=22e^{-0.01t}}[/tex]
(b) s(10)The amount of salt remaining after 10 minutes is ...
s(10) = 22·e^(-0.01·10) = 22·e^-0.1
s(10) ≈ 19.906 . . . . kilograms
There is about 19.906 kg of salt in the tank after 10 minutes.
__
Additional comment
The initial rate of change of the amount of salt is -22/100 kg/min, so after 10 minutes, we expect an approximate reduction by 2.2 kg to 19.8 kg. Since the rate slows as salt is removed, the value 19.9 kg after 10 minutes is reasonable.
There are a couple of places where the integration constant can be put in the equation for the salt quantity. As a multiplier of the exponential function, its value is found in a straightforward way.
A white solid is known to be a chloride in which the metal ion is sodium, potassium, calcium, or aluminium.
A chemist was told to carry out a test for each metal ion that could be present in this white solid.
Describe tests to show the presence of each of these metal ions.
The reaction of ammonium hydroxide and aluminium chloride will form a white precipitate.
The presence of sodium, potassium, calcium, or aluminium chloride can be tested using a combination of physical and chemical methods. For sodium chloride, the flame test is the most common and effective way to confirm its presence. The sodium chloride compound will emit a yellowish-orange flame when exposed to heat. To test for the presence of potassium chloride, the chloride test is used. The presence of potassium chloride will cause a violet or purple color in the reaction when it is added to a silver nitrate solution. To test for the presence of calcium chloride, aqueous ammonia is added.
The formation of a white precipitate confirms the presence of calcium chloride. Lastly, to test for the presence of aluminium chloride, ammonium hydroxide is used.
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a) use these data to estimate the mean wrist extension for people using this new mouse design using a 90% confidence interval. (round your answers to three decimal places.) , (b) what assumptions are required in order for it to be appropriate to generalize your estimate to the population of students at this university? yes, the assumption would have to be made that the 24 students in the study formed a random sample of people in the country. no, we can generalize the estimate to the population of students at this university. yes, the assumption that the 24 students in the study formed a random sample of students at all universities. yes, the assumption would have to be made that the 24 students in the study formed a random sample of students at this university. no, we cannot generalize the estimate to any population as we have less than 30 students. to the population of all university students? no, we cannot generalize the estimate to any population as we have less than 30 students. yes, the assumption would have to be made that the 24 students in the study formed a random sample of people in the country. yes, the assumption would have to be made that the 24 students in the study formed a random sample of students from this university. no, we can generalize the estimate to the population of all university students. yes, the assumption that the 24 students in the study formed a random sample of students at all universities. (c) based on your interval from part (a), do you think there is reason to believe that the mean wrist extension for people using the new mouse design is greater than 20 degrees? explain why or why not. no, the entire confidence interval is below 20, so the results of the study would be very likely if the population mean wrist extension were greater than 20. no, the confidence interval contains 20, so the results of the study would be very likely if the population mean wrist extension were greater than 20. yes, the confidence interval contains 20, so the results of the study would be very unlikely if the population mean wrist extension were as low as 20. yes, the entire confidence interval is above 20, so the results of the study would be very unlikely if the population mean wrist extension were as low as 20.
The random sample of [tex]24[/tex] students has a mean of [tex]1.9149[/tex], and the data suggests that the mean is [tex]20^{0}[/tex].
How to Use the Sample Mean Formula to Determine the Sample Mean?x = (xi) / n is the general solution for computing the sample mean. Thus, xi refers to all X sample values, xi represents the sampling distribution, and n is the total number of specimen terms inside the data collection.
What does sample in statistics mean?The statistic known as the sampling distribution is created by arithmetically averaging the values of the variables in a group. The sample mean is an estimate of the anticipated value if the sample is taken from probabilistic with a common expected value.
(a) Sample mean [tex]= (17 + 21 + 20 + 19 + 23 + 22 + 20 + 20 + 18 + 21 + 19 + 24 + 22 + 20 + 19 + 20 + 19 + 20 + 21 + 22 + 23 + 21 + 18 + 22)/24 = 20.5[/tex]Sample standard deviation [tex]= 1.9149[/tex]
Next, we can use a t-distribution with [tex]23[/tex] degrees of freedom
Confidence interval [tex]= (20.5 - 0.8277, 20.5 + 0.8277) = (19.6723, 21.3277)[/tex]
b) The assumption required in order to generalize the estimate to the population of students at this university is that the [tex]24[/tex] students in the study formed a random sample of students at this university.
(c) There is not enough evidence to suggest that the mean wrist extension for people using the new mouse design is greater than [tex]20^{0}[/tex].
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he tapes the edge with special tape.how much tape will each coaster required
Answer: 5% Of Tape
there is going to be 5% of tape for the coaster
sam wants to build a toy box in the shape of a rectangular prism that will hold 36 cubic feet. if the height needs to be 1 foot less than the width and the length is twice the width, find the height of the toy box.
The Height of the toy box is 7 feet.
The height of the toy box in the shape of a rectangular prism is calculated using the following formula:
Volume = Length * Width * Height.
In this case, Volume = 36 cubic feet, Length = 2 * Width, and Height = Width - 1.
Therefore, we can solve for the Width by substituting the values into the formula:
36 = (2 * Width) * (Width - 1)
36 = 2 * Width^2 - Width
2 * Width^2 - Width - 36 = 0
By using the quadratic formula, Width = 8.
Therefore, the Height of the toy box is 7 feet.
To summarize, the toy box in the shape of a rectangular prism has a Width of 8 feet, a Length of 16 feet, and a Height of 7 feet to hold a total of 36 cubic feet.
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Leveled Practice In 7-12, find the area of each trapezoid or kite.
7.
6 cms
21 cm
A=
8 cm
Trapezoid:
9 cm
+
+
Each triangle:
A = 2bh
D D
11
11
12
cm2
X
]
cm²
x8
Rectangle:
A = tw
=
x8
cm²
Mul
Thus, the area of the given shape of trapezoid is obtained as: 120 sq. ft.
What is meant by shape of trapezoid?Rectangle, rhombus, and square are the names given to parallelograms with particular characteristics like right angles as well as all congruent sides (or both).
The second set of parallel sides, that transforms a specific trapezium into a parallelogram, is the only unique characteristic of a trapezium that is given its own distinguishing name. Similar to how triangles with two equivalent sides (other than the base) are referred to as isosceles triangles, the term "isosceles trapezium" is used to describe a trapezium when two sides (as well as their bases) are the same length.Area of trapezoid = 1/2 * (sum of parallel sides) * height
Area of trapezoid = 1/2 * (21 + 9) *8
Area of trapezoid = 120 sq. ft.
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Why isn't x^4+4x-21 factorable?
Answer:
The polynomial expression x^4 + 4x - 21 cannot be factored into linear factors with rational coefficients. This can be shown using the rational root theorem, which states that any rational roots (zeros) of the polynomial must be of the form p/q, where p is a factor of the constant term (in this case, 21) and q is a factor of the leading coefficient (1). The only possible rational roots of this polynomial are ±1, ±3, ±7, and ±21. However, plugging in each of these values does not give a zero of the polynomial, meaning it has no rational roots. Therefore, it cannot be factored into linear factors with rational coefficients. It may still be factorable using complex numbers, but it is not factorable using only real numbers.
The directions and example is in the photo, I really need help with this stuff
The height of the BD for the house using Pythagorean theorem is obtained as: 4.23 m.
Explain about the Pythagorean theorem?According to the Pythagorean Theorem, for any triangle which is a right triangle, the squares of the legs added together equal the square of the hypotenuse.
In the given triangle ABC.
AB = BC = 6 cm
So, ∠A = ∠C (by isosceles triangle)
Then, AD = DC = 8.5/2
So, in right angles triangle ABD, applying Pythagorean theorem:
AB² = AD² + BD²
6² = (8.5/2)² + BD²
36 - 18.0625 = BD²
BD = √17.9375
BD = 4.23
Thus, the height of the BD for the house using Pythagorean theorem is obtained as: 4.23 m.
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how many feet are in 300.0 inches? type in your numerical answer only, do not include units. do not use scientific notation.
There are 25 feet in 300.0 inches.
What is conversion?Conversion is a numerical quantity that enables you to convert one unit to another. There are various units for measurements such as length, weight, mass, and so on.
The conversion factor between inches and feet is important to understand when performing this type of calculation. As I mentioned earlier, there are 12 inches in one foot, which can be expressed as:
1 foot = 12 inches
This means that to convert a measurement in inches to feet, we need to divide the number of inches by 12.
300.0/12 = 25
Therefore, 300.0 inches is equivalent to 25 feet.
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54 is what percent of 90? Question 9 options: 60% 65% 55% 52%
Answer:
The answer to your problem is, A. 60%
Step-by-step explanation:
54 of 90 can be written as: [tex]\frac{54}{90}[/tex]
To find percentage, we need to find an equivalent fraction with denominator 100. Multiply both numerator & denominator by 100
[tex]\frac{54}{90} * \frac{100}{100}[/tex]
= [tex]\frac{( 54 * 100)}{90} * \frac{1}{100} = \frac{60}{100}[/tex]
Thus the answer to your problem is, A. 60%
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Answer:
x = 60%
Step-by-step explanation:
Let the unknown percentage be x.
We can make an expression using the given information.
[tex]\sf90*\frac{x}{100} =54[/tex]
Solve for x to find the percentage.
[tex]\sf\frac{90x}{100} =54\\90x=54*100\\\\90x=5400\\\\\frac{90x}{90}=\frac{5400}{90}\\\\ x=60[/tex]
State whether you agree with the following statement. Explain your reasoning.
A temperature of -11 degrees Fahrenheit is warmer than a temperature of -15 degrees Fahrenheit.
Answer:
I disagree with the statement that a temperature of -11 degrees Fahrenheit is warmer than a temperature of -15 degrees Fahrenheit.
Temperatures are usually compared in terms of their absolute values. In the case of Fahrenheit, the absolute value of a temperature can be obtained by adding 459.67 to the Fahrenheit temperature. Using this conversion, we can see that:
•A temperature of -11 degrees Fahrenheit is equal to 471.47 degrees absolute.
•A temperature of -15 degrees Fahrenheit is equal to 456.67 degrees absolute.
Since 471.47 is greater than 456.67, we can conclude that a temperature of -11 degrees Fahrenheit is colder than a temperature of -15 degrees Fahrenheit in terms of their absolute values. Therefore, a temperature of -15 degrees Fahrenheit is actually warmer than a temperature of -11 degrees Fahrenheit.
In the figure, the vertices of ∆ ABC are A ( 0, 6 ), B ( 8, 0 )
and C ( 5, 8 ). If CD ⊥ AB, then find the length of altitude CD.
The length of altitude CD is 133/25 units.
What is the length if altitude?
To find the length of altitude CD, we need to find the length of the line segment CD, which is perpendicular to AB and passes through the point C.
First, let's find the equation of the line AB. We can use the two-point form:
y - y1 = m(x - x1)
where m is the slope of the line and (x1, y1) is one of the points on the line. Using points A and B, we get:
m = (0 - 6)/(8 - 0) = -3/4
y - 6 = (-3/4)(x - 0)
y = (-3/4)x + 6
Next, let's find the slope of the line CD, which is the negative reciprocal of the slope of AB. This is because perpendicular lines have slopes that are negative reciprocals of each other. Therefore:
m_CD = 4/3
Now we can use the point-slope form to find the equation of line CD. We know that the line passes through point C (5, 8), so:
y - 8 = (4/3)(x - 5)
Simplifying, we get:
y = (4/3)x - 4/3 + 8
y = (4/3)x + 20/3
Now we need to find the intersection of line CD with line AB. We can solve the system of equations:
y = (-3/4)x + 6
y = (4/3)x + 20/3
Setting the two expressions for y equal to each other, we get:
(-3/4)x + 6 = (4/3)x + 20/3
Multiplying both sides by 12, we get:
-9x + 72 = 16x + 80
25x = -8
x = -8/25
Substituting this value of x into either equation, we get:
y = (-3/4)(-8/25) + 6 = 57/25
Therefore, the point of intersection is (-8/25, 57/25).
Finally, we can use the distance formula to find the length of CD, which is the distance between C and the point of intersection:
d = √[(5 - (-8/25))² + (8 - 57/25)²]
d = √[(125/25 + 8/25)² + (200/25 - 57/25)²]
d = √[(133/25)² + (143/25)²]
d = √(17689/625)
d = 133/25
Therefore, the length of altitude CD is 133/25 units.
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Please help me on a math problem it’s for a grade
Thank You
Answer:
Angle 4 and angle 8 are corresponding angles because they are the same angle on the same side.
which of the following is a discrete data random variable? cars finished in a factory each day a person's height each birthday a person's weight on each year the volume of water in a swimming pool each day
A discrete data random variable is a random variable that can only take on a finite or countable number of values.
Out of the options given, the number of cars finished in a factory each day is a discrete data random variable. This is because the number of cars finished can only take on a finite number of values, such as 0, 1, 2, 3, and so on. It cannot take on any value between these integers, and there are only a finite number of possible values.
In contrast, a person's height and weight are continuous data random variables, as they can take on any value within a certain range (for example, a person's height can take on any value between 4 feet and 7 feet).
Similarly, the volume of water in a swimming pool can take on any value within a certain range, and is also a continuous data random variable.
Therefore, the only discrete data random variable out of the options given is the number of cars finished in a factory each day.
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determine the percentage of children who experience relief for less than four hours if the relief time follows a lognormal distribution.
Around 0.13% or 0.0013 of children find relief for less than four hours.
The percentage of children who experience relief for less than four hours if the relief time follows a lognormal distribution is determined as follows:
Step 1: Define the parameters of the problem. Assume that relief times are normally distributed with a mean of μ = 5.5 hours and a standard deviation of σ = 0.5 hours. We want to find the percentage of children who experience relief for less than four hours.
Step 2: Convert the normal distribution to the standard normal distribution using the formula: z = (x - μ) / σwhere x is the relief time in hours.
Step 3: Find the z-score corresponding to the value of x = 4:z = (4 - 5.5) / 0.5 = -3
Step 4: Use a standard normal distribution table to find the percentage of the area under the curve to the left of z = -3. This is equivalent to the percentage of children who experience relief for less than four hours.
Using the standard normal distribution table or calculator, we get that the percentage of children who experience relief for less than four hours is approximately 0.13% or 0.0013.
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you are skiing down a mountain with a vertical height of 1200 feet. the distance from the top of the mountain to the base is 2400 feet. what is the angle of elevation from the base to the top of the mountain?
The angle of elevation from the base to the top of the mountain is 26.56°.
Given, The vertical height of a mountain = 1200 feet
The distance from the top of the mountain to the base = 2400 feet
Now, we need to find the angle of elevation from the base to the top of the mountain.
Hence, we can find the angle of elevation by using the formula
tanθ = Perpendicular/Base
Now, let's apply the formula,
tanθ = Perpendicular/Base 1200/2400= 0.5 tanθ = 0.5
Now, we need to find the value of θθ = tan⁻¹ 0.5θ = 26.56°
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Brainly what is the volume of a cylinder with a base radius 3 and height 6
Answer:
about 169.65
Step-by-step explanation:
The formula for the volume of a cylinder is [tex]\pi r^2h[/tex].
All you have to do is plug the numbers in.
[tex]V=\pi (3)^2(6)[/tex]
Then use a calculator to evaluate.
The volume of the cylinder is approximately 169.56 cubic units.
The formula for the volume of a cylinder is:
V = πr^2h
where V is the volume, r is the radius of the base, and h is the height.
Substituting the given values, we get:
V = π(3)^2(6)
V = π(9)(6)
V = 54π
Therefore, the volume of the cylinder is 54π cubic units. If you need an approximate numerical value, you can use the approximation 3.14 for π and calculate:
V ≈ 54 x 3.14
V ≈ 169.56
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The correct question is :
What is the volume of a cylinder with a base radius of 3 units and height of 6 units?