The maximum vertical distance between the line y = 2x + 63 and the parabola y = x^2 for -7 ≤ x ≤ 7 is 32 units.
To find the maximum vertical distance between the line y = 2x + 63 and the parabola y = x^2 for -7 ≤ x ≤ 7, we need to determine the points on the parabola that have the maximum vertical distance from the line.
Let's start by finding the points of intersection between the line and the parabola. Setting the equations equal to each other, we have:
2x + 63 = x^2
Rearranging the equation, we get:
x^2 - 2x - 63 = 0
Solving this quadratic equation, we find that x = -7 and x = 9 are the x-coordinates of the points of intersection.
Now, let's calculate the corresponding y-values for these x-coordinates on the parabola:
For x = -7, y = (-7)^2 = 49
For x = 9, y = (9)^2 = 81
Next, we can calculate the y-values for the line at these x-coordinates:
For x = -7, y = 2(-7) + 63 = 49
For x = 9, y = 2(9) + 63 = 81
Since the y-values of the line and the parabola are the same at the points of intersection, the maximum vertical distance occurs at the point (-7, 49) and (9, 81).
The maximum vertical distance between the line and the parabola is the difference in y-coordinates at these points:
81 - 49 = 32
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a ball thrown by a(n) __________ travels an average speed of 29 feet per second.
A ball thrown by a(n) person travels an average speed of 29 feet per second.
The average speed is the total distance traveled by the object in a particular time interval. The average speed is a scalar quantity. It is represented by the magnitude and does not have direction.
The word "person" fills the blank in the sentence. This suggests that the sentence is referring to a human individual who throws the ball. By specifying that a person throws the ball, it provides context and clarifies who is responsible for the ball's movement. The sentence implies that the average speed of the ball is 29 feet per second when thrown by a person.
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For each of the conservative vector fields below, find a potential function f.
(1) F=4yzi+4xzj+4xyk : f =
(2) F=8xyi+(4x2+8yz)j+4y2k : f =
(1) The potential function for conservative vector field F=4yzi+4xzj+4xyk is f=4xyz+C. (2) The potential function for F=8xyi+(4x^2+8yz)j+4y^2k is f=4x^2y+4y^3/3+C.
To find a potential function f for a conservative vector field F, we need to find a scalar function whose gradient is equal to F. That is, we need to find a function f(x, y, z) such that:
∇f = F
where ∇ is the gradient operator. To do this, we can find the potential function by integrating each component of F with respect to its corresponding variable.
(1) F = 4yz i + 4xz j + 4xy k
∂f/∂x = 4yz
∂f/∂y = 4xz
∂f/∂z = 4xy
Integrating the first equation with respect to x, we get:
f = ∫4yz dx = 4xyz + C1(y, z)
where C1(y, z) is an arbitrary constant of integration that depends on y and z.
Taking the partial derivative of this expression with respect to y, we get:
∂f/∂y = 4xz + ∂C1/∂y
Comparing this with the second component of F, we see that ∂C1/∂y = 0, so C1(y, z) must be a constant with respect to y.
Similarly, taking the partial derivative of the expression for f with respect to z, we get:
∂f/∂z = 4xy + ∂C1/∂z
Comparing this with the third component of F, we see that ∂C1/∂z = 0, so C1(y, z) must be a constant with respect to z as well.
Therefore, the potential function for F is:
f = 4xyz + C
where C is a constant.
(2) F = 8xy i + (4x^2 + 8yz) j + 4y^2 k
∂f/∂x = 8xy
∂f/∂y = 4y^2
∂f/∂z = 8yz
Integrating the first equation with respect to x, we get:
f = ∫8xy dx = 4x^2y + C1(y, z)
where C1(y, z) is an arbitrary constant of integration that depends on y and z.
Taking the partial derivative of this expression with respect to y, we get:
∂f/∂y = 4x^2 + ∂C1/∂y
Comparing this with the second component of F, we see that ∂C1/∂y = 4y^2, so we integrate this with respect to y:
C1(y, z) = 4y^3/3 + C2(z)
where C2(z) is an arbitrary constant of integration that depends on z.
Similarly, taking the partial derivative of the expression for f with respect to z, we get:
∂f/∂z = 8yz + ∂C1/∂z
Comparing this with the third component of F, we see that ∂C1/∂z = 0, so C2(z) must be a constant with respect to z.
Therefore, the potential function for F is:
f = 4x^2y + 4y^3/3 + C
where C is a constant.
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on the average, 2 airplanes per minute land at a certain international airport. we would like to model the number of landings by a binomial counting process. what frame length gives the probability 0.1 of one landing during any given frame?
Therefore, the frame length that gives a probability of 0.1 of one landing during any given frame is about 8.61 seconds.
Since we know the average rate of arrivals, we can use the Poisson distribution to model the number of landings per minute. Let λ be the average number of arrivals per minute, then the Poisson distribution with parameter λ is given by:
P(X = k) = (e^(-λ) * λ^k) / k!
where X is the number of arrivals in a given minute.
In this case, λ = 2. We want to find the frame length that gives a probability of 0.1 of one landing during any given frame. Let T be the frame length in minutes, then the number of arrivals during a frame follows a Poisson distribution with parameter λ*T.
We want to find T such that P(X = 1) = 0.1, where X is the number of arrivals during a frame. Substituting λ*T = 2T, we have:
P(X = 1) = (e^(-2T) * (2T)^1) / 1! = 2Te^(-2T)
Setting this equal to 0.1 and solving for T, we have:
2Te^(-2T) = 0.1
e^(-2T) = 0.05/T
Taking the natural logarithm of both sides, we have:
-2T = ln(0.05/T)
Multiplying both sides by -1/2, we have:
T = -ln(0.05/T) / 2
Using a numerical solver or a graphing calculator, we can find that T ≈ 0.1435 minutes, or about 8.61 seconds.
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Graph the function described by the equation y = −x − 1.
(someone please help me i'm so confused)
(you don't have to get the answer just tell me how i can get the answer)
(thank you)
The line represents the graph of the equation y = -x - 1. It has a negative slope (-1) and passes through the y-axis at -1. The line extends infinitely in both directions.
To graph the function described by the equation y = -x - 1, we can create a table of values and plot the corresponding points on a graph. Here is a table of values for x and y:
x y
-3 -2
-2 -1
-1 0
0 -1
1 -2
2 -3
3 -4
Now, let's plot these points on a graph:
Each point on the graph represents an (x, y) pair from the table. We can then connect the points to create a line
Drawing a line that passes through all the points, we get:
The line represents the graph of the equation y = -x - 1. It has a negative slope (-1) and passes through the y-axis at -1. The line extends infinitely in both directions.
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(a)how many of the confidence intervals constructed from the samples contain the population mean, ? (b)how many of the confidence intervals constructed from the samples contain the population mean, ?
To determine how many confidence intervals from the samples contain the population mean, you would need to know the specific confidence level, sample size, and data for each interval.
Generally, the higher the confidence level (e.g., 95% or 99%), the greater the likelihood that the intervals contain the true population mean.The same information is required for this question as in part (a).
The number of confidence intervals containing the population mean depends on the confidence level, sample size, and data of each interval.
With this information, you can evaluate which intervals contain the population mean.
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can someone give me an example on how to do these and how to set it up?
The solution of the function is as follows:
(f + g)(3) = 9
(f.g)(-1) = -8
(f o g)(2) = 8
(g o f)(0) = 2
(g o g)(3) = - 1
How to solve function?A function relates input and output. In other words, a function is an expression that defines a relationship between one variable (the independent variable) and another variable(dependent variable).
Therefore, let's solve the function as follows:
(f + g)(3) = f(3) + g(3) = 8 + 1 = 9
(f.g)(-1) = f(-1) × g(-1) = -2 × 4 = -8
(f o g)(2) = ƒ(g(2)) = f(3) = 8
(g o f)(0) = g(f(0)) = g(0) = 2
(g o g)(3) = g(g(3)) = g(1) = - 1
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Write the smallest number which is divisible by both 306 and 657.
Answer:
22,338
Hence, the smallest number which is divisible by both 306 and 657 is 22,338. Given that HCF (306, 657) = 9, find LCM (306, 657).
Step-by-step explanation:
have a nice day.
Therefore, the smallest number that is divisible by both 306 and 657 is 1581378.
To find the smallest number which is divisible by both 306 and 657, we need to find their least common multiple (LCM).
We can start by finding the prime factorization of each number:
306 = 2 x 3 x 3 x 17
657 = 3 x 3 x 73
To find the LCM, we need to take the highest power of each prime factor that appears in either factorization. That means we need to include the factors 2, 3, 17, and 73, and for each factor we need to take the highest power that appears in either factorization:
2^1 x 3^2 x 17^1 x 73^1 = 1581378
plss answer this all on a paper
Answer:
Sure, here are the answers:
2/7 + 5/3 - 4/5 - 1/3 = (2/7 + 5/3) - (4/5 + 1/3)
= (6/21 + 15/21) - (9/15 + 7/15)
= 21/21 - 16/15 = 5/15 = 1/3
3/7 - 4/7 - 11/9 + 7/9 + 9/7 + 7/7 = (3/7 - 4/7) + (-11/9 + 7/9) + (9/7 + 7/7)
= (-1/7) + (-4/9) + (16/7) = -1/7 - 4/9 + 16/7 = 16/7 - 1/7 - 4/9 = 15/7 - 4/9 = (45/63) - (28/63) = 17/63
2/5 + 8/3 - 11/4 - 2/5 + 15/5 + 3/15 = (2/5 + 8/3) - (11/4 + 2/5) + (15/5 + 3/15)
= (6/15 + 40/15) - (27/20 + 4/5) + (3/1 + 1/5)
= 46/15 - 31/20 + 8/5 = (230/60) - (31/20) + (40/20) = (230 - 31 + 40)/60 = 179/60 = 13/20
-8/9 - 13/7 + 17/9 + 7/7 + 21/7 = (-8/9 - 13/7) + (17/9 + 7/7) + 21/7
= (-59/63 + 126/63) + (147/63) = 67/63 + 147/63 = 214/63 = 22/9
Step-by-step explanation:
Find the y-intercept of the line on the graph.
(0, 0) is the y-intercept of the given line.
To detect the y-intercept of a line in a graph, you need to find the point where the line intersects the y-axis. In other words, it's the point where the value of x is zero.
To find the y-intercept of a line on a graph:
Locate the point where the line intersects the y-axis.Identify the x-coordinate of that point, which is always zero.The y-coordinate of that point is the y-intercept of the line.If the equation of the line is in slope-intercept form, y = mx + b, where m is the slope of the line and b is the y-intercept, then the value of b is the y-coordinate of the point where the line intersects the y-axis.
In the given graph line is paasing through origin (0, 0).
Thus, the value of y where the value of x will be zero is zero.
So the y-intercept is 0.
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a company has estimated that the probabilities of success for three products introduced in the market are 1/9, 2/3 and 1/5 respectively. assuming independence, find the probability that none of the products is successful?
The probability that none of the three products is successful is calculated by multiplying the probabilities of failure (1 - probability of success) for each product. Assuming independence, the calculation is as follows:
Product 1 failure probability: 1 - 1/9 = 8/9
Product 2 failure probability: 1 - 2/3 = 1/3
Product 3 failure probability: 1 - 1/5 = 4/5
Probability of all products failing: (8/9) × (1/3) × (4/5) = 32/135
Since the probabilities of success for each product are independent, we can simply multiply the probabilities of failure for each product to find the overall probability of none of the products being successful. This is a basic principle of probability when dealing with independent events.
The probability that none of the three products is successful in the market is 32/135.
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How do you do this. Please help right now.
The surface area of the prism is 520 in².
The area of the prism is 750 in³.
We have,
The given figure is a rectangular prism.
The surface area can be calculated by adding all the areas of the surfaces.
Now,
There are two types of surfaces.
Top and bottom surfaces and the side surfaces
So,
Top surface = Bottom surface
Area = 2 x (8 x 7(1/2)) = 8 x 15 = 120
Side surface.
Area = 4 x (8 x 12(1/2)) = 4 x (8 x 25/2) = 4 x 4 x 25 = 16 x 25 = 400
The surface area.
= 120 + 400
= 520 in²
And,
The area of the prism.
= 8 x 7(1/2) x 12(1/2)
= 8 x 15/2 x 25/2
= 2 x 15 x 25
= 30 x 25
= 750 in³
Thus,
The surface area of the prism is 520 in².
The area of the prism is 750 in³.
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suppose a 95% confidence interval for obtained from a random sample of size 13 is (3.5990, 19.0736). find the sample variance (round off to the nearest integer).
Therefore, the sample variance is approximately 65 using 95% confidence interval.
To find the sample variance, we need to use the formula for the confidence interval of the mean:
X ± tα/2 (s/√n)
Where:
X is the sample mean
tα/2 is the critical value for the t-distribution at the desired confidence level (with n-1 degrees of freedom)
s is the sample standard deviation
n is the sample size
From the given information, we know that the sample size n = 13, and the confidence interval is (3.5990, 19.0736) with a 95% confidence level. This means that the critical value for the t-distribution at α/2 = 0.025 and 11 degrees of freedom is approximately 2.201.
Using the formula for the confidence interval and the upper and lower bounds of the interval, we can solve for s:
19.0736 = X + 2.201(s/√13)
3.5990 = X - 2.201(s/√13)
Adding the two equations gives:
22.6726 = 2X
Therefore, X = 11.3363
Substituting this value of X into one of the original equations gives:
19.0736 = 11.3363 + 2.201(s/√13)
Solving for s, we get:
s ≈ 8.0587
Rounding to the nearest integer, the sample variance is:
s^2 ≈ 65
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2y+3/3y-8=3/2
find the value of y
Answer:
y=6
Step-by-step explanation:
Multiply both sides by 3y-8.
2y+3=9y/2-12
Add 12 to both sides.
2y+15=9y/2
Multiply both sides by 2.
Subtract both sides by 4y.
30=5y
Divide both sides by 5.
Therefore, y=6.
Answer:
2y+3/3y-8=3/2
multiply through by 3
3(2y+3-8)= (3/2)*3
6y-5= 9/2
6y =9/2+5
6y=19/2
y= 19*6/2
y= 57
two basketball teams play until one team wins two games. team a has probability 0.6 of winning each game while team b has probability of 0.4 of winning each game. if team a wins the first game what is the probability team b wins the series?
Answer:
0.16
Step-by-step explanation:
You want the probability that team b will win 2 games in a row, given that the probability of team a winning is 0.6, and the probability of team b winning is 0.4.
OutcomesAfter one win for team A, the series can have the possible outcomes ...
A – team a wins with probability 0.6
BA – team a wins with probability (0.4)(0.6) = 0.24
BB – team b wins with probability (0.4)(0.4) = 0.16
The probability of team b winning the series is 0.16.
__
Additional comment
The probability team a wins the series after winning the first game is 0.6 +0.24 = 0.84 (= 1 -0.16). At the beginning of the series, the probability b wins is 0.352, dropping dramatically after a wins the first game.
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The probability that Team B wins the series after Team A wins the first game is 0.4 or 40%.
What is probability?
Probability is a measure or quantification of the likelihood of an event occurring. It is a numerical value assigned to an event, indicating the degree of uncertainty or chance associated with that event. Probability is commonly expressed as a number between 0 and 1, where 0 represents an impossible event, 1 represents a certain event, and values in between indicate varying degrees of likelihood.
To determine the probability that Team B wins the series after Team A wins the first game, we need to consider the different possible outcomes of the remaining games.
Since the series continues until one team wins two games, there are three possible scenarios:
Team A wins the next game (Team A wins the series)
Team B wins the next game, followed by Team A winning the third game (Series tied at 1-1)
Team B wins both the next and third games (Team B wins the series)
We'll calculate the probabilities of these scenarios and then determine the probability of Team B winning the series.
Scenario 1: Team A wins the next game (Team A wins the series):
The probability of Team A winning the next game is 0.6.
Scenario 2: Team B wins the next game, followed by Team A winning the third game (Series tied at 1-1):
The probability of Team B winning the next game is 0.4.
The probability of Team A winning the third game is 0.6.
To calculate the probability of this scenario, we multiply the individual probabilities:
Probability = 0.4 * 0.6 = 0.24
Scenario 3: Team B wins both the next and third games (Team B wins the series):
The probability of Team B winning the next game is 0.4.
The probability of Team B winning the third game is 0.4.
To calculate the probability of this scenario, we multiply the individual probabilities:
Probability = 0.4 * 0.4 = 0.16
To find the probability of Team B winning the series, we add the probabilities of Scenario 2 and Scenario 3 since both outcomes result in Team B winning the series:
Probability = 0.24 + 0.16 = 0.4
Therefore, the probability that Team B wins the series after Team A wins the first game is 0.4 or 40%.
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I need some help, please which figure are translations of A? Choose all that apply.
1) B
2) C
3) D
4) E
5)F
The figures that are translations of A are C and D
Selecting the figures that are translations of A?From the question, we have the following parameters that can be used in our computation:
The figure A
Also, we have the possible figures B to F
The figures that are translations of A are the figures that have the following properties
Same side lengths as ASame orientation as Ausing the above as a guide, we have the following
The figures that are translations of A are C and D
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a group of $10$ caltech students go to lake street for lunch. each student eats at either chipotle or panda express. in how many different ways can the students go to lunch?
Therefore, there are $2^{10} = 1024$ different ways that the group of 10 Caltech students can go to lunch at Lake Street, either choosing Chipotle or Panda Express.
To solve this problem, we can use the fundamental principle of counting, also known as the multiplication principle.
For the first student, there are two choices - either Chipotle or Panda Express. Similarly, for the second student, there are two choices, and so on. Therefore, the total number of ways that the group of 10 students can go to lunch is simply the product of the number of choices for each student:
$2 \times 2 \times 2 \times \dots \times 2$ (10 times)
This can be simplified using exponential notation as $2^{10}$.
It is worth noting that if the group were to split up and some students went to Chipotle while others went to Panda Express, then the number of ways would be different and would require a different approach to solve. But since the problem specifies that each student goes to either Chipotle or Panda Express, we can use the multiplication principle to find the answer.
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How to seal a sofa is being sold for 26% of the regular price the sale price is $244.40 what is the regular price
Answer:
Step-by-step explanation:
You would divide 244.40 by 26%
You would get 63.544.... Now times the 63.544 to the remainder of the 26 from 100...which is 74. 63.544 times 74 equals 4702.256.
Now add the 244.40 to that and u get the answer of 4946.656.
Answer:
Good Luck
Step-by-step explanation:
Let the regular price be "x".
According to the problem, the sofa is being sold for 26% of the regular price, which means the sale price is:
Sale price = 0.26x
The problem also states that the sale price is $244.40, so we can write:
0.26x = 244.40
To solve for x, we need to isolate it on one side of the equation. We can do this by dividing both sides by 0.26:
x = 244.40 ÷ 0.26
x = 940
Therefore, the regular price of the sofa is $940.
Make sure that you state your answer in a way that does not lose precision. Show all digits.
a. The Personal Identification Number (PIN) for your ATM card is four places long. Any number is permitted in each place. How many possible values of a PIN are there?
b. Your bank has decided to allow English alphabetic characters (upper or lower case are permitted) as well as any numeric digit in your PIN. How many possible PINs are there when that change is made?
c. In addition to b. above, your bank has decided to require that the first place of the PIN be an English upper case alphabetic character. How many possible PINs are there when that additional change is made?
d. In addition to b. and c. above, your bank has changed the PIN size to five places. Your PIN can now have numeric or English alphabetic characters (upper or lower case are allowed) in each place. How many possible PINs are there when that change is made?
Since there are four places, the total number of possible PINs is 10^4 = 10,000.
Since there are four places, the total number of possible PINs is 36^4 = 1,679,616.
So, the total number of possible PINs is 26 * 36^3 = 3,030,336.
So, the total number of possible PINs is 36^5 = 60,466,176.
a. The Personal Identification Number (PIN) for your ATM card is four places long. Any number is permitted in each place. How many possible values of a PIN are there?
For each place, we have 10 possible choices (0-9).
b. Your bank has decided to allow English alphabetic characters (upper or lower case are permitted) as well as any numeric digit in your PIN. How many possible PINs are there when that change is made?
Now we have 26 alphabetic characters (upper or lower case) in addition to the 10 numeric digits. So, for each place, we have 36 possible choices.
c. In addition to b. above, your bank has decided to require that the first place of the PIN be an English upper case alphabetic character. How many possible PINs are there when that additional change is made?
With the requirement of an English upper case alphabetic character in the first place, we have 26 choices for that place. For the remaining three places, we still have 36 choices each.
d. In addition to b. and c. above, your bank has changed the PIN size to five places. Your PIN can now have numeric or English alphabetic characters (upper or lower case are allowed) in each place. How many possible PINs are there when that change is made?
With five places, each place can have 36 choices (26 alphabetic characters + 10 numeric digits).
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the equation of a line is y+7=3x+11 what is the value of y at the point where the line crosses the y-axis?
The value of y where it crosses the y-axis is (0, 4).
Given is an equation of line y+7 = 3x+11, we need to find the value of y where it crosses the y-axis,
So this mean we need to find the y-intercept,
To find the same put x = 0,
y+7 = 3(0) + 11
y+7 = 11
y = 4
Therefore, the y-intercept is (0, 4)
Hence the value of y where it crosses the y-axis is (0, 4).
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Stefania and her sister Helena attend the same
school. Helena loves video games. If Helena
surveys 10 of her closest friends about how much
time they spend playing video games, do you think
that survey would be representative of all the
students at their school ??
Answer:
No.
Step-by-step explanation:
No, because 10 of her close friends are not the entire school. A school doesn't have 10 students, it has way more students, so that survey would not represent all students at her school.
Message:
Hope this helps! <3
Your friend claims all the following statements are valid. You disagree. Select all the statements that are not valid.
All squares are rhombii.
All circles are congruent.
All rectangles are squares.
All parallelograms are quadrilaterals.
All trapezoids are parallelograms.
The two statements which are valid are “All squares are rhombus” and “All parallelograms are quadrilaterals”, the correct option is A and D.
We are given that;
The five statements
Now,
“All circles are congruent.” This statement is not valid because congruent figures have the same shape and size. While all circles have the same shape, they can have different sizes (diameters).
“All rectangles are squares.” This statement is not valid because while all squares are rectangles (since they have four right angles), not all rectangles are squares. A square is a special type of rectangle where all four sides have the same length.
“All trapezoids are parallelograms.” This statement is not valid because a trapezoid is defined as a quadrilateral with at least one pair of parallel sides, while a parallelogram is defined as a quadrilateral with two pairs of parallel sides. So, while all parallelograms are trapezoids, not all trapezoids are parallelograms.
Therefore, by quadrilaterals the answer will be “All squares are rhombii” and “All parallelograms are quadrilaterals”
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Please help I’ll mark brainly answer the question’s below
Conditional relative frequency that a customer prefers pepperoni given that the customer is female is 0.318, or approximately 31.8%.
Conditional relative frequency that a customer is male given that he prefers veggies pizza is 0.667, or approximately 66.7%.
The conditional relative frequency that a customer prefers pepperoni given that the customer is female is calculated as follows:
P(pepperoni | female) = P(pepperoni and female) / P(female)
The number of females who prefer pepperoni is 14, so P(pepperoni and female) = 14/90. The total number of females is 44, so P(female) = 44/90.
Therefore,
P(pepperoni | female) = (14/90) / (44/90) = 14/44 = 0.318
The conditional relative frequency that a customer is male given that he prefers veggies pizza is calculated as follows:
P(male | veggies) = P(male and veggies) / P(veggies)
The number of males who prefer veggies pizza is 16, so P(male and veggies) = 16/90.
The total number of customers who prefer veggies pizza is 24, so P(veggies) = 24/90.
Therefore,
P(male | veggies) = (16/90) / (24/90) = 16/24 = 0.667
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I NEED THE ANSWER TO THIS BY TODAY PLEASE HELP (200, 150) GCF
Answer: 50
Step-by-step explanation:
Greatest common factor of 200 and 150 is 50
200/50=4
150/50=3
Which graph represents the equation (x – 3)2 + y2 = 16? On a coordinate plane, a circle has a center at (negative 3, 0) and radius 4. On a coordinate plane, a circle has a center at (negative 3, 0) and radius 16. On a coordinate plane, a circle has a center at (3, 0) and radius 4. On a coordinate plane, a circle has a center at (3, 0) and radius 16.
The statement that represents the equation (x – 3)2 + y2 = 16 is On a coordinate plane, a circle has a center at (3, 0) and radius 4.
The given equation is (x – 3)^2 + y^2 = 16
We solve to obtain:
(x – 3)^2 + (y - 0)^2 = 16
(x – 3)^2 + (y - 0)^2 = 4^2
This is an equation of a circle
Therefore, we can conclude that On a coordinate plane, a circle has a center at (3, 0) and radius 4.
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Leah and Gertrude were trying to save money by working together to
clean rooms. Leah cleaned rooms and Gertrude cleaned
rooms.
Who cleaned more rooms, Leah or Gertrude?
What fraction represents the difference in the number of rooms
cleaned by the person who cleaned the most and the person that
cleaned the least?
4 11/18. 4 5/18
Answer: Leah
Step-by-step explanation: Leah cleaned more rooms as the fraction 4 11/18 shows that Leah cleaned more rooms.
What magnitude is not possible when a vector of magnitude 3 is added to a vector of magnitude 4?
a. 7
b. 0
c. 3
d. 1
e. 5
When two vectors are added, the magnitude of the resulting vector can be found using the Pythagorean theorem. The correct answer is option b, 0.
In this case, if a vector of magnitude 3 is added to a vector of magnitude 4, the resulting vector can have a magnitude of:
sqrt(3^2 + 4^2) = 5
Therefore, the magnitude 0 is not possible when a vector of magnitude 3 is added to a vector of magnitude 4, since the resulting vector must have a magnitude of at least 5.
When adding two vectors, the resulting magnitude can range from the absolute difference to the sum of the magnitudes of the individual vectors. In this case, the magnitudes are 3 and 4.
1. Calculate the absolute difference: |3 - 4| = 1
2. Calculate the sum: 3 + 4 = 7
The resulting magnitude can range from 1 to 7. Therefore, the magnitude that is not possible when a vector of magnitude 3 is added to a vector of magnitude 4 is:
b. 0
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PLEASE HELP ME ASAP
What is the answer to this? how do you solve it?
Answer: 18300/29
Step-by-step explanation:
pleaseehelppp question 13
A student uses four different tape measures to estimate the length of a
meter-stick manufactured to be exactly 1 meter. Which measurement is most
accurate?
A. 99 cm
B. 105.98 cm
C. 90 cm
D. 104.5 cm
99 cm is the measurement that is most accurate.
A. is the answer
How to determine which measurement is most accurate?Accuracy is defined as the degree of closeness of a measured value to a standard or known value.
In this case, the standard or known value is 1 meter. The measurement that is closest to this value is 99 cm. Thus, 99cm is the most accurate.
The other measurements are not as accurate. 105.98 cm is too high, 90 cm is too low, and 104.5 cm is in between but not as close to 1 meter as 99 cm.
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5. Ben solved the right triangle below. His work is shown below: 6^2 + 4^2 = 36 + 16 = 52. Then he took the square root of 52 and he got: 7.2. Analyze what Ben did wrong by writing a statement: What Ben did wrong was ___
The triangle is 6, 4 and x
The solution is: 5 in hours did Ben work that Saturday.
The number of hours that Ben worked at the restaurant can be calculated by the expression, Xpm - Xam.
The number of hours that Ben worked can be represented as:
= Time he finished working - Time he started working
= X pm - X am
If for instance, he started work at 7 am and finished at 12 pm, he would have worked:
= 12 - 7
= 5 hours
The expression that shows the length of time he worked can therefore be concluded to Xpm - Xam.
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complete question:
Ben is a waiter at a restaurant. on Saturday, Ben got up at 6:30am, started work at X.am and finished work at X.pm. how long in hours did Ben work that Saturday
