Answer:
12 hours(105km)
13.64 hours (120 km)
16 hours (141 km)
40 hours ( 352km)
Answer:
12 hours ( 105 km )
13.64 hours ( 120 km )
16 hours ( 141 km )
40 hours ( 352 km ) .
If you invest 5000 Swiss Francs
today in an investment that pays
3.25% per annum, compounded for the investment to double in
value, assuming no additional
withdrawals or deposits are
made?
Answer:
22 years.
Step-by-step explanation:
(continued), How long will it take the 5000 Swiss Francs to accrue to 10000 = 2 x 5000 Swiss Francs.
Define T as
T = the time to double the investment.
Then, we have that
10000 = 5000(1 + 3.25%)^T
2 = (1 + 0.0325)^T
2 = (1.0325)^T
ln(2) = ln [ (1.0325)^T ]
ln(2) = T ln (1.0325)
T = ln(2) / ln(1.0325)
T = 21.6723317643
T = 22 years, rounded to the nearest year.
Carrie is searching online for airline tickets to weeks ago the cost to fly from Hartford to Boston was 210 now the cost is $350 what is the percent increase
Answer:
It is a 40% increase
Step-by-step explanation:
So first of all the formula is
New-old/old
Or rate of change/ original
SO th new is 350
THe old is 210
350-210=140
140/350 which is old is 2/5
2/5 is 40 percent
So 40 percent increase
Answer: 66.66% rise
Step-by-step explanation:
350-210=140
140/210 =2/3
66.6% rise
PLEASE HELP FAST
bx = -5
Find each quotient. All final answers must be in simplest form.56x4y5 - 49x3y6 - 35x2y3 / 7x?y2 =A8x^2y^3 - 7y^4 - 5yB8x^2 y^3 - 7xy^4 + 5yC 8x^2y^3 - 7xy^4 - 5yD 8x^2y^3 + 7xy^4 - 5y
Answer
Option C is correct
8x²y³ - 7xy⁴ - 5y
Explanation
The equation to be solved or reduced is
(56x⁴y⁵ - 49x³y⁶ - 35x²y³)/7x²y²
More properly written, the equation is
\(\frac{56x^4y^5-49x^3y^6-35x^2y^3}{7x^2y^2}\)To solve this, we will break the division down and have each term carry the denominator and use the laws of indices to reduce the powers
\(\begin{gathered} \frac{56x^4y^5-49x^3y^6-35x^2y^3}{7x^2y^2} \\ =\frac{56x^4y^5}{7x^2y^2}-\frac{49x^3y^6}{7x^2y^2}-\frac{35x^2y^3}{7x^2y^2} \\ =\frac{56}{7}x^{4-2}y^{5-2}-\frac{49}{7}x^{3-2}y^{6-2}-\frac{35}{7}x^{2-2}y^{3-2} \\ =8x^2y^3-7x^1y^4-5x^0y^1 \\ \text{Note that} \\ x^0=1 \\ x^1=x \\ y^1=y \\ 8x^2y^3-7x^1y^4-5x^0y^1 \\ =8x^2y^3-7xy^4-5^{}y^{} \end{gathered}\)Hope this Helps!!!
A consultant has made two statements about sampling: X
1. An entire set of data from which a sample can be selected for analysis a called a distribution
2. Statistical methods can be applied to a representative sample in both exploratory and confirmatory data analysis
Are these statement accurate?
A. Only state 1 is accurate
B. Only state 2 is accurate
C. Both state are accurate
D. Neither state is accurate
40. FreeFree plc manufacturers maintain computers and Ibrahim is a planner in its Quality Assurance Department.
In terms of Mintzberg's descreprion of organizational structure, to which of FreeFree plc's 'building blocks' does Inbrahim belong?
A. Support staff
B. Middle line
C. Operating core
D. Technostructure
The correct answer for the first question is B.
Only statement 2 is accurate. Statement 1 is incorrect because an entire set of data is typically referred to as a population, not a distribution. A distribution refers to the pattern or spread of data within a population or sample.
For the second question, Ibrahim, as a planner in the Quality Assurance Department of Free Free plc, would belong to the operating core building block. Mintzberg's organizational structure theory defines the operating core as the individuals directly involved in producing the organization's products or services. Since Ibrahim is part of the Quality Assurance Department, which is responsible for ensuring the quality of the products, he falls under the operating core category. The support staff typically includes administrative or auxiliary personnel, the middle line refers to managers responsible for coordinating and overseeing different departments, and the technostructure consists of individuals who specialize in analytical and support functions related to the organization's operations.
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I need to know what r equals ?
Un poste mide 6m de alto y desde la parte superior del poste se ata una cuerda tensa desde la punta hasta el suelo a una distancia de seis metros de la base del poste
Answer:
Primero, dibuje el escenario. El camino tomado por Shane forma un triángulo rectángulo. La distancia desde el punto de partida forma la hipotenusa.
Find the unit rate. Round to the nearest hundredth, if necessary.
$5.99 for 15 lb
Answer:
5.99 round up to 6
15lbs ÷6 = 2.50 per pound
Answer:
2.50 dollars per every 1 lb
Step-by-step explanation:
I just divided 5.99 by 15 to get the amount per pound. I then rounded that number to the hundredth as it was necessary in this problem!
Two marbles are chosen, one at
a time, from a bag containing 6 marbles,4 red marbles and 2 green marbles. Suppose the first marble chosen is green. Is the probability that the second marble will be red greater if the first marble is returned to the bag or if it is not returned to the bag? Explain.
Answer:
P(red) when the green marble is not return to the bag is greater
Step-by-step explanation:
P( red ) = ?
Case the green marble is returned to the bag.
Bag: 4 red + 2 green = 6 marbles
P(red) = 4/ 6
Case the green marble is not return to the bag.
Out: 1 green marble
Bag: 4 red + 1 green = 5 marbles
P(red) = 4/ 5
4/5 > 4/6
P(red) when the green marble is not return to the bag > P(red) when the green marble is returned to the bag
Average Tim correctly answers 12 out of 18 questions in a trivia game assuming the situation is proportional how many more questions is he likely to get correct if there are 30 questions and all
Answer:
Step-by-step explanation:
12/18= 2/3, that’s the ratio of how many questions he gets right compared to total questions
So if there are 30 questions total, he will get 20 right (30 x 2/3)
If you’re taking into consideration that he already answered 18 questions, he will get 8 more correct
Jill says that the rules for multiplying and dividing integers are alike. Do you agree? Explain.
Answer:
The rules of dividing integers are similar to the rules of multiplication
The only difference in division is that the quotient may not necessary be an integer. Hence, when dividing two integers with like signs, we divide the numbers without sign and place a positive sign to the result.
Answer:
I do not agree
Step-by-step explanation:
because in multiply negatives, the 2 negatives turn into a positive or multiplying positive and negative (and vice versa) becomes a negative still so the rules of multiplying and dividing are not alike integers. (For dividing it is the same)
Using the terminology of Bayes' theorem, a posterior probability can also be defined as a Multiple Choice
A. subjective probability.
B. revised probability.
C. classical probability.
D. joint probability.
The correct option is B. revised probability
Bayes' Theorem:
Bayes' Theorem, named after 18th-century British mathematician Thomas Bayes, is a mathematical formula for determining conditional probability. Conditional probability is the likelihood of an outcome occurring, based on a previous outcome having occurred in similar circumstances. Bayes' theorem provides a way to revise existing predictions or theories (update probabilities) given new or additional evidence.
In finance, Bayes' Theorem can be used to rate the risk of lending money to potential borrowers. The theorem is also called Bayes' Rule or Bayes' Law and is the foundation of the field of Bayesian statistics.
KEY TAKEAWAYS
Bayes' Theorem allows you to update the predicted probabilities of an event by incorporating new information.Bayes' Theorem was named after 18th-century mathematician Thomas Bayes.It is often employed in finance in calculating or updating risk evaluation.The theorem has become a useful element in the implementation of machine learning.The theorem was unused for two centuries because of the high volume of calculation capacity required to execute its transactions.The correct option is B. revised probability
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A helicopter was hovering over a shelter and was 900 ft above the ground. A medic was on the ground and was looking up at an angle of 55 degrees to the helicopter. The medic’s eyes were 5.5 feet off the ground when looking at this right angle of elevation. How far was the medic from the shelter? Explain how to find the distance between the medic and the shelter.
The distance between the medic and the shelter is 626.3 feet.
How to find the distance of the medic from the shelter?A helicopter was hovering over a shelter and was 900 ft above the ground. A medic was on the ground and was looking up at an angle of 55 degrees to the helicopter.
The medic’s eyes were 5.5 feet off the ground when looking at this right angle of elevation.
This situation forms a right angle triangle. Therefore, the distance of the medic to the shelter can be found as follows:
Hence,
tan 55 = opposite / adjacent
tan 55 = 900 - 5.5 / a
cross multiply
a tan 55° = 894.5
divide both sides by tan 55°
a = 894.5 / 1.42814800674
a = 626.335645885
a = 626.3 feet
Hence,
distance between medic and shelter = 626.3 feet
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Annotate will give brainiest
Answer:
Cal= 10 x min
I am pretty sure your proportionality is 10.
three potential employees took an aptitude test. each person took a different version of the test. the scores are reported below. reyna got a score of 87 ; this version has a mean of 73 and a standard deviation of 10 . demetria got a score of 301.8 ; this version has a mean of 288 and a standard deviation of 23 . pierce got a score of 8.56 ; this version has a mean of 7.3 and a standard deviation of 0.6 . if the company has only one position to fill and prefers to fill it with the applicant who performed best on the aptitude test, which of the applicants should be offered the job?
The applicant who should be offered the job based on the aptitude test scores is Reyna. Reyna scored 87 on her version of the test, which has a mean of 73 and a standard deviation of 10.
Demetria scored 301.8 on her version of the test, which has a mean of 288 and a standard deviation of 23. Pierce scored 8.56 on his version of the test, which has a mean of 7.3 and a standard deviation of 0.6. The scores of Reyna, Demetria, and Pierce can be compared by standardizing them and calculating the z-scores. Standardizing involves subtracting the mean from the score and dividing by the standard deviation, resulting in z-scores. This can be used to compare the performance of each applicant relative to their own version of the test. Reyna's z-score is 1.37, Demetria's z-score is 0.86, and Pierce's z-score is 14.27. This shows that Reyna performed better than Demetria, and significantly better than Pierce. Reyna should therefore be offered the job based on her performance on the aptitude test.
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Write the slope intercept form of this equation.
Y=Mx+b
PLEASE SHOW WORK
Answer:
The answer should be:
y = (6/7)x + 1
Find the product of (5x+20) and the multiplicative inverse of 5.
Answer:x
+
4
Explanation:
Product is the answer to a multiplication.
The multiplicative inverse is the same as the reciprocal.
(
5
x
+
20
)
×
1
5
=
5
x
+
20
5
=
x
+
4
Step-by-step explanation:
Answer:
x+4
Step-by-step explanation:
This is because the multiplicative inverse of 5 is the reciprocal, or 1/5. This is then multiplied (distribution) to (5x+20), simplifying to x+4.
I am so sorry if you keep seeing me ask for help
Answer:
67°-------------------
Given three interior angle measures of a triangle:
38°, 75° and xUse the triangle sum theorem to find the missing angle:
38 + 75 + x = 180x + 113 = 180x = 180 - 113x = 67So the missing angle is 67°.
A class has 9 boys 15 girls what the ratio
Answer:
9:15 simplified is 3:5
Step-by-step explanation:
Answer:
9:15
Step-by-step explanation:
hope this is what you are looking for
Executives of a supermarket chain are interested in the amount of time that customers spend in the stores during shopping trips. The executives hire a
statistical consultant and ask her to determine the mean shopping time, μ, of customers at the supermarkets. The consultant will collect a random sample of
shopping times at the supermarkets and use the mean of these shopping times to estimate μ. Assuming that the standard deviation of the population of
shopping times at the supermarkets is 28 minutes, what is the minimum sample size she must collect in order for her to be 95% confident that her estimate is
within 5 minutes of μ?
Carry your intermediate computations to at least three decimal places. Write your answer as a whole number (and make sure that it is the minimum whole
number that satisfies the requirements).
(If necessary, consult a list of formulas.)
Using the formula of margin of error for the confidence interval, the minimum sample size is 120
What is the minimum sample sizeWe can use the formula for the margin of error for a confidence interval:
margin of error = z* (standard deviation/√n)
where z* is the z-score for the desired confidence level.
For a 95% confidence interval, z* = 1.96. We want the margin of error to be 5, and we are given that the standard deviation of the population is 28. So we can solve for n:
5 = 1.96 * (28 / √n)
√n = 1.96 * 28 / 5
n = (1.96 * 28 / 5)²
n = 120.47
n = 120
The minimum sample size that will give a margin of error of 5 minutes with 95% confidence is 120.
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Kayla started a book club at her school. The number of girls in the book club was one more than twice the number of boys. If there are 21 girls in the book club, how many boys are in the club?
Answer:
10
Step-by-step explanation:
(21-1)/2
Let f(t) be a function on [0, [infinity]). The Laplace transform of f is the function F defined by the integral
F(s) = [infinity]∫⁰ e⁻ˢᵗ d(t)dt. Use this definition to determine the Lapacae transform of the following function.
F(t) = -9t^3
The Laplace transform of f(t) is F(s)=
(Type an expression using s as the variable.) It is defined for s? (Type an integer or a fraction.)
The Laplace transform of the function f(t) = -9t^3 is F(s) = -9/(s^4), and it is defined for s > 0.
To determine the Laplace transform of f(t) = -9t^3, we substitute the function into the integral definition of the Laplace transform:
F(s) = ∫₀^∞ e^(-st)(-9t^3)dt.
Next, we simplify the integral by pulling the constant term (-9) outside the integral and applying the power rule for integration. The integral becomes:
F(s) = -9 ∫₀^∞ t^3e^(-st)dt.
Now, we can integrate term by term using integration by parts. Let's differentiate t^3 and integrate e^(-st):
F(s) = -9 [(1/s) t^3e^(-st) - (3/s) ∫₀^∞ t^2e^(-st)dt].
The integral on the right-hand side can be further simplified using integration by parts:
F(s) = -9 [(1/s) t^3e^(-st) - (3/s) [(1/s) t^2e^(-st) - (2/s) ∫₀^∞ t e^(-st)dt]].
We repeat the integration by parts for the new integral on the right-hand side:
F(s) = -9 [(1/s) t^3e^(-st) - (3/s) [(1/s) t^2e^(-st) - (2/s) [(1/s) t e^(-st) - (1/s) ∫₀^∞ e^(-st)dt]]].
The last integral simplifies to (1/s^2), giving us:
F(s) = -9 [(1/s) t^3e^(-st) - (3/s) [(1/s) t^2e^(-st) - (2/s) [(1/s) t e^(-st) - (1/s^2) e^(-st)]]].
Evaluating the limits of integration and simplifying further, we arrive at the final expression for F(s):
F(s) = -9 [(1/s) t^3e^(-st) - (3/s) [(1/s) t^2e^(-st) - (2/s) [(1/s) t e^(-st) - (1/s^2) e^(-st)]]] from t=0 to t=∞.
Finally, we can simplify the expression and write it in a more concise form:
F(s) = -9/(s^4).
The Laplace transform F(s) = -9/(s^4) is defined for s > 0 since the Laplace transform integral converges for positive values of s.
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se polar coordinates to find the volume of the solid below the cone z=x^2 y^2 and above the ring 1 x^2y≤
The volume of the solid below the cone z = x²y² and above the ring 1 ≤ x² + y² ≤ 4 in polar coordinates is (64π/15).
To find the volume of the solid, we integrate the function representing the cone over the region defined by the ring in polar coordinates.
In polar coordinates, the cone equation z = x²y² can be expressed as z = r²cos²(θ)sin²(θ), where r represents the radial distance and θ represents the angle.
The region defined by the ring can be expressed as 1 ≤ r² ≤ 4.
To find the volume, we integrate the function z = r²cos²(θ)sin²(θ) over the region of the ring in polar coordinates.
V = ∫∫∫ r²cos²(θ)sin²(θ) r dr dθ
= ∫[0,2π] ∫[1,2] r³cos²(θ)sin²(θ) dr dθ
= ∫[0,2π] ∫[1,2] r³(cos²(θ))(sin²(θ)) dr dθ
= ∫[0,2π] ∫[1,2] r³cos²(θ)sin²(θ) dr dθ
To evaluate this integral, we can use the property cos²(θ)sin²(θ) = (1/4)sin²(2θ), so the integral becomes:
V = (1/4) ∫[0,2π] ∫[1,2] r³sin²(2θ) dr dθ
Now, we integrate with respect to r:
V = (1/4) ∫[0,2π] [(1/4)r⁴sin²(2θ)] [1,2] dθ
= (1/4) ∫[0,2π] [(1/4)(2⁴ - 1⁴)sin²(2θ)] dθ
= (1/4) ∫[0,2π] [(15/4)sin²(2θ)] dθ
= (15/16) ∫[0,2π] [1 - cos(4θ)]/2 dθ
= (15/32) [θ - (1/4)sin(4θ)] [0,2π]
= (15/32) [2π - (1/4)sin(8π) - 0 + (1/4)sin(0)]
= (15/32) (2π - 0)
= 15π/16
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Algebra 2 honors, practice homework Really need help with, struggling on !!
SOLUTION:
Step 1:
In this question, we are given the following:
Step 2:
The details of the solution are as follows:
a) Equation:
\(f(x)=(3.25)^x\)b) Value of b ( base ): 3. 25
c) Growth or decay: Growth
d) y-intercept: ( 1, 0)
e) Key point : ( 1, 3. 25)
f) Horizontal Asymptote:
\(\text{y = 0}\)g) Domain:
\(\begin{gathered} x\in\text{ R} \\ \text{where R = set of real numbers} \end{gathered}\)h) Range:
\(y>0\)
PLEASE HELP FOR 20 POINTS
Answer:
You Answer is C. 738
Step-by-step explanation:
L x W x H
A= 2 w l h l h w = 2 18 13.5 4 13.5 4 18 = 738
17. Which statement is NOT true?
If x²= 100, then x = 10.
If x=10, then x² = 100.
If x=-10, then x² = 100.
x² = 100 if and only if x = 10 or x = -10.
The statement "If x = -10, then x² = 100" is false. When we square -10, we get 100, so the correct statement would be "If x = -10, then x² = 100."
The statement that is NOT true is:
If x = -10, then x² = 100.
The other three statements are all true:
If x² = 100, then x = 10.This is true because the square root of 100 is ±10, and when we take the square root, we consider the positive square root, which is 10.
If x = 10, then x² = 100. This is also true because when we square 10, we get 100.The statement x² = 100 if and only if x = 10 or x = -10 is true.
This statement is based on the fact that the square root of 100 is ±10, so when we square either 10 or -10, we get 100.
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g in a random sample of 24 residents of the state of texas, the mean waste recycled per person per day was 1.2 pounds with a standard deviation of 0.99 pounds. determine the 90% confidence interval for the mean waste recycled per person per day for the population of texas. assume the population is approximately normal.step 1 of 2 : find the critical value that should be used in constructing the confidence interval. round your answer to three decimal places.
The 90 %confidence interval for the mean waste recycled per person per day for the population of Texas is (0.9, 1.5)
We will solve the problem in the following way,
Let us first assume that the population of Texas is approximately normal.
We will then find the critical value that will be used in constructing the confidence interval.
We have been given the following values:
The sample mean waste recycled per person per day= x'= 1.2 pounds
The sample Standard Deviation= s= 0.99 pounds
The sample size of residents of the state of Texas= n= 24 residents
The significance level= α= 0.1
The critical value that we get is t' = 1.714
Now we will calculate the Standard Error.
The formula for Standard error is
Error= \(\frac{s}{\sqrt{n} }\)
Substituting the values we know, we get
Error = \(\frac{0.99}{\sqrt{24} }\)
Error = 0.2021
Now we will calculate the margin of error
The formula for the Margin of error is
Margin= \(t' *\)\(\frac{s}{\sqrt{n} }\)
Substituting the known values, we get
margin= 1.714*0.2021
margin= 0.3463
Now we will calculate the lower limit and upper limit
Lower limit= x' - margin of error
= 1.2 - 0.3463
= 0.9
Upper limit = x' + margin of error
= 1.2 + 0.3463
=1.5
The 90% confidence interval is (0.9, 1.5) or 0.9 ≤ μ ≤ 1.5
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In an arithmetic sequence with a₁ = 27 and d= -3, which term is -21?
The term -21 is the th term of the sequence.
(Simplify your answer.)
-21 is the 17th term.
What is an arithmetic sequence?It is a sequence where there is the same pattern of difference between the consecutive terms in the sequence.
We have,
a = 27 and d = -3 _____(1)
The nth term.
Term = a + (n - 1)d _____(2)
Now,
Term = -21
Substituting (1) in (2).
Term = a + (n - 1)d
-21 = 27 + (n - 1) (-3)
-21 = 27 - 3n + 3
3n = 27 + 21 + 3
3n = 51
n = 17
Thus,
-21 is the 17th term.
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Please help- im so bad at this TvT
Step-by-step explanation:
10)-2
11)-11
12)-9
13)75/-25=-3
14)-30/-15=2
15)-20/5-5
=-4-5
=-9
16)90/-45=-2
17)-45/-15=2
18)-15 times 5/25
=-75/25
=-3
19)-15-(-45)/10
=-15+45/10
=30/10
=3
20)5-5/-1
=0/-1
=0
21)-(-15)/5
=15/5
=3
22)-45-15/-15
=-60/15
=-4
23)-15+(-45)/-5
=-15-45/-5
=-60/-5
=12
Have a nice day! :)
-Vana
Which expression is equivalent to 7a – 4a?
A) 8a
B) 3a
C) 4a
D) 2a
Answer:
B. 3a
Step-by-step explanation: