To find the length of an arc intercepted by a central angle on a circle, we can use the formula s = rθ, where s is the length of the arc, r is the radius of the circle, and θ is the central angle in radians.
The formula to find the length of an arc on a circle is given by s = rθ, where s represents the length of the arc, r is the radius of the circle, and θ is the central angle in radians. However, in this case, we are given the central angle in degrees, so we need to convert it to radians.
To convert the angle from degrees to radians, we use the conversion factor π/180, where π is the constant representing the ratio of the circumference of a circle to its diameter. Therefore, the central angle θ in radians is calculated as θ = (10.5°) × (π/180) ≈ 0.183 radians.
Now we can substitute the values of the radius r = 9.2 m and the central angle θ ≈ 0.183 radians into the formula s = rθ to find the length of the arc:
s = (9.2 m) × (0.183 radians) ≈ 1.682 m
Therefore, the length of the arc intercepted by a central angle of 10.5° on a circle with a radius of 9.2 m is approximately 1.682 m.
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graph used to compare the relationship between a categorical and quantitative variable
A graph that is commonly used to compare the relationship between a categorical and a quantitative variable is a box plot, also known as a box-and-whisker plot.
A type of graph is particularly useful for visually displaying the distribution, central tendency, and variability of the quantitative variable across different categories.
In a box plot, the categorical variable is represented along the x-axis, while the quantitative variable is represented on the y-axis. For each category, a box is drawn to show the interquartile range (IQR), which contains the middle 50% of the data. The line inside the box represents the median, a measure of central tendency. Whiskers extending from the box show the range of the data, excluding possible outliers.
This graphical representation allows for easy comparison between categories, making it an effective tool for analyzing the relationship between a categorical and a quantitative variable.
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Fill-in the missing pieces for the equation of the line that is perpendicular to y = 6x - 1 and passes through (-6, 4).
Therefore , the solution of the given problem of equation comes out to be y = (-1/6)x + 3.
Describe equation.A recovery model built on linearity is based on the equation y=mx+b. The inclination is B, and the y-intercept is m. The aforementioned statement is often referred to as "Bivariate linear formulas have two components," even though y and y are distinct parts. There are no simple answers when it arrives at using linear functions. and. The formula is Y=mx+b, where m represents slopes and b represents the y-intercept.
Here,
specified that the specified line has a slope of 6, the perpendicular line's slope is:
=> m = -1/6
We can now determine the equation of the vertical line using the point-slope form of the equation of a line:
=> y - y1 = m(x - x1)
where m is the slope we just discovered and (x1, y1) is the provided point on the line (-6, 4):
=> y - 4 = (-1/6)(x - (-6))
Simplifying:
=> y - 4 = (-1/6)(x + 6)
=> y - 4 = (-1/6)x - 1
=> y = (-1/6)x + 3
The line that passes through (-6, 4) and is orthogonal to y = 6x - 1 has the equation:
=> y = (-1/6)x + 3.
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5. Find the length of the side denoted b "y" to the nearest tenth.
Answer:
y = 24√3, or approximately 41.6
Step-by-step explanation: √3 36
Here the ratio 36/y = cosine of 30 degrees = ------- = ------
2 y
Cross-multiplying yields (√3)y = 72, so y = 72/√3, or 72√3/3, or y = 24√3
Find the probability of exactly four
successes in six trials of a binomial
experiment in which the probability of
success is 40%.
P = [? ]%
Round to the nearest tenth of a percent
The probability of exactly four successes in six trials of a binomial experiment is given by P ( A ) = 9.2 %
Given data ,
The formula for Binomial Distribution is given by
P ( x ) = [ n! / ( n - x )! x! ] pˣqⁿ⁻ˣ
In this case, we want to find P(X=4), the probability of exactly four successes in six trials
On simplifying , we get
n = 6
k = 4
p = 0.40
P(X=4) = C(6, 4) x 0.40⁴ * (1-0.40)⁽⁶⁻⁴⁾
P(X=4) = 15 x 0.40⁴ x 0.60²
P(X=4) ≈ 9.2 %
In a binomial experiment with six trials and a success rate of 40%, the probability of exactly four successes, rounded to the closest tenth of a percent, is roughly 9.2%.
Hence , the probability is 9.2 %
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Answer: 13.82%
Step-by-Step Explanation:
Simplify the expression. negative 17 plus the quantity negative 2 and three tenths plus 8 and 12 hundredths end quantity divided by 6 all times 4 squared minus 8 and 6 tenths
Simplifying the expression given in words gives - 256.08
Given data
the expression. negative 17 plus the quantity negative 2 and three tenths plus 8 and 12 hundredths end quantity divided by 6 all times 4 squared minus 8 and 6 tenths
How to find the expressionrewriting the expression gives:
= ( -17 + ( -2 3/10 + 8 12/100 ) / 6) * 4^2 - 8 6/10
= ( -17 + ( -2.3 + 8.12 ) / 6) * 4^2 - 8.6
= ( -17 + ( 5.82 ) / 6 ) * 16 - 8.6
= ( -17 + ( 0.97 ) * 16 - 8.6
= ( -16.03 ) * 16 - 8.6
= -256.48 - 8.6
= -256.08
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Suppose set s1 is [1, 2, 5] and set s2 is [2, 3, 6]. After s1.addAll(s2), s1 is __________.
After set s1.addAll(s2), s1 is [1, 2, 5, 2, 3, 6].
After performing the operation s1.addAll(s2) on sets s1 [1, 2, 5] and s2 [2, 3, 6], the set s1 would become[1, 2, 5, 2, 3, 6].
To determine the value of s1, the following steps has to be taken:
1. Start with sets s1 [1, 2, 5] and s2 [2, 3, 6].
2. Apply the addAll operation with set s2: [2, 3, 6]
3. Add each element from set s2 to set s1, while avoiding duplicates (since sets cannot have duplicate elements).
4. Therefore, suppose if set s1 is [1, 2, 5] and set s2 is [2, 3, 6] then, after s1.addAll(s2), the set s1 becomes [1, 2, 5, 2, 3, 6].
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The expression -16t ^2+ 48t can be written as the product of -16t with which of the following?
(1) 16t-3
(3) 16t+3
(2) t+3
(4) t-3
Answer:
4) t -3
Step-by-step explanation:
-16t² = -16 * t * t
48t = (-16t) * (-3)
-16t² + 48t = (-16t) * t + (-16t) *(-3)
= (-16t) [ t - 3]
which best describes the rule for this pattern? 1 comma space minus 12 comma space 12 comma space minus 1, ...
The rule for the given pattern is to subtract 13, then add 24.
The correct Option is (A.) subtract 13, then add 24.
What is A Number Pattern?A pattern or sequence in a series of numbers is called a number pattern. In general, this pattern builds a connection between all integers.
In this question we have the following pattern:
1, -12, 12, -1
Here we need to find the rule for this pattern.
Let's take the first number of the pattern, which is 1:
1
To obtain the second number of the pattern, which is -12, we must subtract 13, because:
1 - 13 = -12
To obtain the third number of the pattern, which is 12, we must add 24, because:
-12 + 24 = 12
Therefore, the correct answer is A.) subtract 13, then add 24
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The complete question is: "Which best describes the rule for this pattern? 1,-12,12,-1 A.) subtract 13, then add 24 B.) subtract -13, then add 24 C.) subtract -24, then add 13 D.) subtract 24, then add 13"
A culture of the bacterium Salmonella enteritidis initially contains 50 cells. When introduced into a nutrient broth, the culture grows at a rate proportional to its size. After 1.5 hours, the population has increased to 825. (a) Find an expression for the number of bacteria after t hours. (Round your numeric values to four decimal places.)
The expression for the number of bacteria after t hours is N(t) = 50e\(^(0.4427t)\) , rounded to four decimal places.
Let N(t) be the number of bacteria after t hours.
Since the culture grows at a rate proportional to its size, we can write:
dN/dt = kN
where k is the proportionality constant.
This is a separable differential equation, which we can solve by separating the variables and integrating:
dN/N = k dt
ln(N) = kt + C
where C is the constant of integration.
To find the value of C, we use the initial condition that the culture initially contains 50 cells:
ln(50) = k(0) + C
C = ln(50)
Substituting C into the previous equation, we get:
ln(N) = kt + ln(50)
Taking the exponential of both sides, we obtain:
N = e\(^(kt + ln(50)) = 50e^(kt)\)
Now we need to find the value of k. We know that after 1.5 hours, the population has increased to 825:
N(1.5) = 825
Substituting this into the previous equation, we get:
825 = 50\(e^(1.5k)\)
Taking the natural logarithm of both sides, we obtain:
ln(825/50) = 1.5k
k = ln(825/50) / 1.5
k ≈ 0.4427
Finally, substituting this value of k into the expression we obtained for N(t), we get:
N(t) = 50e\(^(0.4427t)\)
Therefore, the expression for the number of bacteria after t hours is N(t) = \(50e^(0.4427t)\), rounded to four decimal places.
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Brandon has 32 stamps. He wants to display the stamps in row, with the same number of stamps in each row. How many different ways can he display the stamps? Explain. (Pls hurry)
A bug begins to crawl up a vertical wire at time t = 0. The velocity v of the bug at time t, 0 < t < 8, is given by the function whose graph is shown behind this text. At what value of t does the bug change direction? a. 2
b. 4
c. 6.5
d. 7
The bug changes direction at t = 4. This can be answered by the concept of velocity.
To determine when the bug changes direction, we need to find when its velocity changes sign from positive to negative. From the graph, we see that the bug's velocity is positive for t < 4 and negative for t > 4. Therefore, the bug changes direction at t = 4.
To verify this, we can look at the behavior of the bug's velocity as it approaches t = 4. From the graph, we see that the bug's velocity is increasing as it approaches t = 4 from the left, and decreasing as it approaches t = 4 from the right. This indicates that the bug is reaching a maximum velocity at t = 4, which is when it changes direction.
Therefore, the bug changes direction at t = 4.
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One of the legs of a right triangle is twice as long as the other, and perimeter of the triangle is 28. Find the lengths of all three sides, to three decimal places
Step-by-step explanation:
One leg is x, the second leg is 2x and the hypotenuse is:
h = \(\sqrt{x^2+(2x)^2} =\sqrt{5x^2} =x\sqrt{5}\)Perimeter is:
x + 2x + x√5 = 28x(3 + √5) = 28x = 28/(3 + √5) ≈ 5.348The sides are:
5.348, 2*5.348 = 10.6965.348*√5 = 11.958data from central hudson labs determined the mean number of insect fragments in 225-gram chocolate bars was 14.4, but three brands had insect contamination more than twice the average. assume the number of fragments (contaminants) follows a poisson distribution. (a) if you consume a 225-gram bar from a brand at the mean contamination level, what is the probability of no insect contaminants?
The probability of finding 0 contaminated pieces in 225 g of chocolate is 5.57 X 10⁻⁷.
Here the number of contaminated fragments follows a Poisson process. Hence, let the distribution for the same be X.
Hence we get X ~ Poi(λt)
where λ is the mean no. of contaminated pieces and t is the no. of bars consumed.
For P(X = x) we get [(λt)ˣ e^(-λt)]/x!
Here λ = 14.4 and t = 1 Hence we will get
P(X = x) = [(14.4)ˣ e⁻¹⁴°⁴]/x!
Here we need to find the probability of the no. of contaminated pieces = 0
Therefore
P(X = 0) = [(14.4)⁰ e⁻¹⁴°⁴]/0!
Hence the probability of finding 0 contaminated pieces in a bar of chocolate is
P(X = 0) = e⁻¹⁴°⁴
= 5.57 X 10⁻⁷
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state the law of logic represented: if you exercise every day, then you will be a better athlete. You exercise every day. So, you will be a better athlete. a. law of syllogism b. law of detachment c. neither
Answer:
Step-by-step explanation:
c
how do you solve this -2/3y=18 for y
Answer:
y=-1/27
Step-by-step explanation:
1. multiply both sides by 3y
-2=54y
2. divide by 54
-1/27=y
decimal: -0.037
Can someone plz help me with this one problem plz!!!
Answer:
10, 11, 12, 13
Step-by-step explanation:
2 + 8 = 10
3 + 8 = 11
4 + 8 = 12
5 + 8 = 13
x | y
2 | 10
3 | 11
4 | 12
5 | 13
y = x + 8, so take x, add 8 to it, and you get y
On-the-Go Phone Company has two monthly plans for their customers. The EZ Pay Plan costs $0.15 per minute. The 40 to Go Plan costs $40 per month plus $0.05 per minute. Which plan should you choose if you want only 200 minutes per month? Why? Justify your answer.
Answer:
The EZ Pay Plan because it would cost less than the 40 to Go Plan.
Step-by-step explanation:
You will have to calculate the amount that you would pay with each monthly plan if you have 200 minutes per month.
-EZ Pay Plan:
$0.15*200=$30
-40 to Go Plan:
$40+($0.05*200)=$40+$10=$50
According to this, the answer is that if you only want 200 minutes per month, you should choose the EZ Pay Plan because it would cost $30 which is less than the 40 to Go Plan that would cost $50.
The graph relates the number of gallons of white paint to the number of gallons of red paint Jess used to make the perfect pink. Write an equation that describes the relationship.
Question content area bottom
Part 1
The equation enter your response here describes the relationship.
(Simplify your answer.)
The equation y = 3/4x describes the relationship
How to determine the equation that describes the relationship?From the question, we have the following parameters that can be used in our computation:
The graph
The graph is a linear graph, and we have the following points on the graph
(x, y) = (0, 0) and (4, 3)
Because the line passes through the origin i.e. (0, 0), the equation that describes the relationship is then represented as
y = Y/X * x
Where
(X, Y) = (4, 3)
So, we have
y = 3/4x
Hence, the equation is y = 3/4x
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If R = {(x, y): y = x = 2, 4, 6}, find the range of R. , 4 , 6 } , find the range of R.
Guys need help with c,f,g,j
Answer:
Step-by-step explanation:
Hey if someone can help me I'd appreciate it please show your work.
Answer:
Step-by-step explanation:
Umm what is your question u did not add it?
Which of the following tables represents a linear relationship that is also proportional?
(A)
x −1 0 1
y 0 2 4
(B)
x −3 0 3
y −2 −1 0
(C)
x −2 0 2
y 1 0 −1
(D)
x −1 0 1
y −5 −2 1
Answer: 我不知道你好
Step-by-step explanation:
Is the line of best fit accurate for the data shown?
(A) Yes, because it touches the y-axis
(B) Yes, because there are about the same number of points above the line as below it
(C) No, because the line does not touch any points
(D) No, because the line should touch every point
Write the equation that expresses the table below.
Answer:
10x=y
Step-by-step explanation:
Divide your outputs by your inputs. In other words, divide 20 by 2, 50 by 5, and 70 by 7. These all equal 10. Therefore, 10 times x will equal y.
valencia theater sold 487 tickets for a play. tickets cost $14 per student with valid valencia identification and $25 per non-student. if total receipts were $8391, how many valencia student tickets and non-student tickets were sold?
354 Valencia student tickets and 133 non-student tickets were sold.
Let's use algebra to solve the problem. Let
x be the number of Valencia student tickets sold
y be the number of non-student tickets sold
We know that
x + y = 487 (the total number of tickets sold is 487)
14x + 25y = 8391 (the total receipts from ticket sales is $8391)
We can use the first equation to express one of the variables in terms of the other. For example, we can solve for y
y = 487 - x
Here we have to use the substitution method, we can then substitute this expression for y into the second equation
14x + 25(487 - x) = 8391
Simplifying and solving for x
14x + 12275 - 25x = 8391
-11x = -3884
x = 354
So, 354 Valencia student tickets were sold. We can use the first equation to find y
x + y = 487
354 + y = 487
y = 133
So, 133 non-student tickets were sold.
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Tyrel estimates that he can average $6.20 per hour throughout the week on all the jobs he does. Last week he werked 18.75 hours. If his estimate was correct, how much did he earn last week?
Answer:
he earned 116.25 double check tho I'm not sure
Not all variables retained in a regression model are required to be significant.
True or False
Answer:
True
Step-by-step explanation:
True.
Not all variables retained in a regression model need to be statistically significant at a given level of significance (e.g., 5% level). The inclusion of variables in a regression model can be based on theoretical or practical considerations, and not solely on statistical significance. Moreover, some variables may have an important effect on the dependent variable even if they are not statistically significant in the model. However, it is important to assess the overall fit and predictive power of the model, and to consider alternative models and variable transformations if necessary.
draining 15 gallons of water from a fish tank
(Write your answer as an integer)
Answer:
-15
Step-by-step explanation:
if its just asking for what number would represent a loss of 15 it would be negative 15
i dont know if there's more to the problem or not
Answer:
-15
Step-by-step explanation:
This is because whatever much water was in the tank is now decreasing by 15, therefore, you can write it as -15,
hope this helps!
Tran Lee plans to set aside $2,900 a year for the next five years, earning 5 percent. What would be the future value of this savings amount? Numeric Response
The future value of Tran Lee's savings after five years would be approximately $14,995.49.
To calculate the future value of Tran Lee's savings, we can use the formula for the future value of an ordinary annuity:
Future Value = Payment * [(1 + Interest Rate)^Number of Periods - 1] / Interest Rate
Given:
Payment (PMT) = $2,900 per year
Interest Rate (r) = 5% = 0.05 (decimal form)
Number of Periods (n) = 5 years
Substitute these values into the formula, we get:
Future Value = $2,900 * [(1 + 0.05)^5 - 1] / 0.05
Calculating this expression, we find:
Future Value ≈ $14,995.49
Therefore, the future value of Tran Lee's savings after five years would be approximately $14,995.49.
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The future value of Tran Lee's savings after five years would be approximately $14,995.49.
To calculate the future value of Tran Lee's savings, we can use the formula for the future value of an ordinary annuity:
Future Value = Payment * [(1 + Interest Rate)^Number of Periods - 1] / Interest Rate
Given:
Payment (PMT) = $2,900 per year
Interest Rate (r) = 5% = 0.05 (decimal form)
Number of Periods (n) = 5 years
Substitute these values into the formula, we get:
Future Value = $2,900 * [(1 + 0.05)^5 - 1] / 0.05
Calculating this expression, we find:
Future Value ≈ $14,995.49
Therefore, the future value of Tran Lee's savings after five years would be approximately $14,995.49.
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I need help with this
Answer:-40 - 180=-220
Step-by-step explanation:
water is 0 so when subtracting it will be negative.
the answer is -220 because of how deep the submarine is.
you will keep subtracting the farther down you go.