Answer:
i believe the it is B,C,D
Step-by-step explanation:
i'm sorry if it is wrong
There are 9 children in a class who take the bus to school, and there are 15 total children in the class. What percentage of the children take the bus to school?
Select the correct choice.
A 90%90%
B 60%60%
C 9%9%
D 0.6%0.6%
Use the Divergence Theorem to calculate the surface integral. \int \intS F · dS; that is, calculate the flux of F across S. F(x, y, z) = ey tan zi + y\sqrt{7- x2} j + x sin yk, S is the surface of the solid that lies above the xy-plane and below the surface z = 2 ? x4 ? y4, ?1 ? x ? 1, ?1 ? y ? 1.
The surface integral, or flux, of F across S using the Divergence Theorem is zero.
What is the result of the surface integral using the Divergence Theorem?The Divergence Theorem states that the flux of a vector field F across a closed surface S is equal to the triple integral of the divergence of F over the volume enclosed by S. In this case, we need to calculate the surface integral of F across S.
By applying the Divergence Theorem, we can determine the flux of F across S. The divergence of F is a crucial factor in the calculation. However, after evaluating the divergence and performing the necessary calculations, we find that the resulting surface integral is zero.
The Divergence Theorem allows us to relate the flux of a vector field across a closed surface to the triple integral of the divergence over the enclosed volume. In this case, the given vector field F is defined as F(x, y, z) = ey tan zi + y√(7 - \(x^{2}\)) j + x sin yk, and the surface S is the region above the xy-plane and below the surface z = 2 - \(x^{4}\) - \(y^{4}\), with -1 \(\leq\) x \(\leq\) 1 and -1 \(\leq\) y \(\leq\) 1.
To evaluate the surface integral using the Divergence Theorem, we would need to compute the divergence of F and integrate it over the enclosed volume. However, after performing the necessary calculations, we find that the resulting surface integral is zero. This implies that the flux of F across S is zero, indicating a balanced flow of the vector field across the surface.
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Consider the hypothesis test below. H. : P1 – P2 <0 Hq : P1 – P2 > 0 The following results are for independent samples taken from the two populations. Sample 1 Sample 2 ni = 100 n2 = 300 P1 = = 0.24 P2 = 0.15 Use pooled estimator of p. a. What is the p-value (to 4 decimals)? Use Table 1 from Appendix B. b. With a = 0.05, what is your hypothesis testing conclusion? - Select your answer -
a. To find the p-value, we first need to calculate the test statistic:
z = (p1 - p2) - 0 / sqrt(pooled(1 - pooled)(1/n1 + 1/n2))
where pooled = (n1p1 + n2p2) / (n1 + n2)
pooled = (1000.24 + 3000.15) / (100 + 300) = 0.174
z = (0.24 - 0.15) - 0 / sqrt(0.174(1-0.174)(1/100 + 1/300)) = 1.732
Using Table 1 from Appendix B, the p-value is approximately 0.0418.
b. Since the p-value (0.0418) is less than the significance level (0.05), we reject the null hypothesis H0 and conclude that there is evidence to support the alternative hypothesis Ha, which is that P1 - P2 > 0. Therefore, we can infer that the proportion of success in population 1 is higher than that in population 2.
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Graph the following x < -7 or x > 5
Answer:
Explanation:
To graph this we will draw a vertical line at
5
on the horizontal axis.
The line will be a dashed line because the inequality operator does not contain an "or equal to" clause.
We will shade to the right side of the line because the inequality operator also contains a "greater than" clause:
graph{x> 5 [-20, 20, -10, 10]}
Solve.
−0.4x−3.17=−5.2
Enter your answer as a decimal or as a mixed number in simplest form in the box.
the answer would be x=5.075
PLEASE HELP ME !!! IT’S DUE TODAY !!!
Answer:
Bru how can u not know that
Step-by-step explanation:
1. 2 pieces
2. 0.008
3. 4 pieces
4.0.016
5. 8 pieces
6.0.32
7.16
8.0.64
Sam need to catc the 8 a. M. Bu to get to work on time. The probability that Sam overleep i 0. 6. When Sam overleep, the probability that he mie the bu i 0. 8. When Sam doe not overleep, the probability that he mie the bu i 0. 3. Calculate the probability that Sam catche the bu
Probability determines the likelihood of an event occurring: P(A) = f / N
How to Calculate the probability?P(A) = f / N indicates the likelihood of an event occuring. Odds and probability are connected, but odds are affected by probability. Before calculating the chances of an event occurring, you must first calculate probability.
Finding the chance of a simple event occurring is simple: add the probabilities together. For instance, if you have a 10% chance of winning $10 and a 25% chance of winning $20, your total chances of winning are 10% + 25% = 35%. According to probability, heads have a 12 chance, thus we may expect 50 heads. But when we attempt it, we could get 48 heads, or 55 heads, or anything else, but in most circumstances, we’ll get something close to 50.
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Anya has $25,000 which she recently received from a trust fund, which she intends to invest in an account earning 12% annually. a) How many years would it take Anya to accumulate $40,000. b) If Anya's goal is to save $40,000 in just 3 years, what rate of return must she earn annually on her account. Show all workings and formulae
a) It would take Anya approximately 4 years to accumulate $40,000 with an annual interest rate of 12%. b) Anya must earn an annual rate of return of approximately 12.6% to save $40,000 in 3 years.
a) To calculate the number of years it would take Anya to accumulate $40,000, we can use the future value formula for compound interest:
Future Value = Present Value * (1 + interest rate)ⁿ
Where:
Future Value = $40,000
Present Value = $25,000
Interest rate = 12% = 0.12
n = number of years
Substituting the given values into the formula, we have:
$40,000 = $25,000 * (1 + 0.12)ⁿ
Dividing both sides of the equation by $25,000, we get:
(1 + 0.12)ⁿ = 40,000 / 25,000
(1.12)ⁿ = 1.6
To solve for n, we can take the logarithm of both sides of the equation:
n * log(1.12) = log(1.6)
Using a calculator, we find that log(1.12) ≈ 0.0492 and log(1.6) ≈ 0.2041. Therefore:
n * 0.0492 = 0.2041
n = 0.2041 / 0.0492 ≈ 4.15
b) To calculate the required rate of return for Anya to save $40,000 in just 3 years, we can rearrange the future value formula:
Future Value = Present Value * (1 + interest rate)ⁿ
$40,000 = $25,000 * (1 + interest rate)³
Dividing both sides of the equation by $25,000, we have:
(1 + interest rate)³ = 40,000 / 25,000
(1 + interest rate)³ = 1.6
Taking the cube root of both sides of the equation:
1 + interest rate = ∛1.6
Subtracting 1 from both sides, we get:
interest rate = ∛1.6 - 1
Using a calculator, we find that ∛1.6 ≈ 1.126. Therefore:
interest rate = 1.126 - 1 ≈ 0.126
To express the interest rate as a percentage, we multiply by 100:
interest rate = 0.126 * 100 = 12.6%
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Write a Haiku about science please! Have a great day :)
Answer:
in Earth, space, the trees
science is all around us
answer life's questions
Step-by-step explanation:
Haikus must be written with 5 syllables in the first line, 7 in the second, and 5 again in the 3rd, so they are naturally limited and simplistic. Hope this helps, and brainliest is always appreciated! Enjoy your day bro!
write a variable expression for each word phrase. (16 more than m)
Given the word phrase ( 16 more than m )
More than mean addition, so we will use the sign (+)
so, the expression will be:
\(m+16\)20 points!!! please help
Answer:
1/8
Step-by-step explanation:
1 of the 8 branches of the tree is TTH in that order. If all branches are equally likely, the probability is 1/8, or 0.125, or 12.5%.
Need a answer for 15. And explain (geometry) !!
Step-by-step explanation:
If x and y are integers, then the even number is 2x and the odd number is 2y+1. The product is:
2x (2y + 1)
Distribute the x:
2 (2xy + x)
This product is a multiple of 2, so the number is even.
What is the result of 4 ➗8/12
A) 1/6
B) 3/8
C) 3
D) 6
This is an edge unit test with 1 hour left please help me
Answer: D
Step-by-step explanation:
hiii please help! i’ll give brainliest if you give a correct answer tysm!
Answer: 3/16
Step-by-step explanation:
Reduce the expression, if possible, by cancelling the common factors.
I'm having problems with this can someone help asap pls
Answer:
C I think good luck brother bye bye
a histogram of the average age for every possible combination of cases from the population is referred to as a
A histogram of the average age for every possible combination of cases from the population is referred to as a scatter plot
A scatter plot matrix is a plot that presents all feasible scatter plots for a given collection of variables in a matrix structure. It is helpful for investigating the connections between related factors in a collection. A scatter plot matrix is not a histogram that shows the average age for every mix of instances drawn from the community.
Instead, it is referred to as a sampling distribution or a distribution of sample means. This kind of histogram displays the range of means for all conceivable community samples of a specific number. It is a crucial idea in statistics because it aids in understanding a population's characteristics based on a subset of data.
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(a) If log4x=5, then x= (b) If log6x=8, then x=
(a)If log₄x = 5, the base is 4 and the logarithm is 5 , then x = 1024. (b) If log₆x = 8 the base is 6 and the logarithm is 8 then x = 1679616.
(a) In the equation log₄x = 5, the base is 4 and the logarithm is 5. To solve for x, we need to rewrite the equation in exponential form. In exponential form, 4 raised to the power of 5 is equal to x. Therefore, x = 4^5 = 1024.
(b) In the equation log₆x = 8, the base is 6 and the logarithm is 8. Rewriting the equation in exponential form, 6 raised to the power of 8 is equal to x. Hence, x = 6^8 = 1679616.
In both cases, we used the property of logarithms that states: if logₐx = y, then a raised to the power of y equals x. By applying this property, we can convert the logarithmic equations into exponential form and find the values of x.
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Data were collected on the distance a baseball will travel when hit by a baseball bat at a certain speed. the speed, s, is measured in miles per hour, and distance, y, is measured in yards. the line of fit is given by Å· = 3.98 53.59s. if the ball travels for a duration of 5 seconds, what is the predicted distance of the ball? 267.95 feet 271.93 feet 283.87 feet 287.85 feet
By evaluating the linear equation in t = 5 seconds, we will see that the distance traveled is 271.93 feet.
What is the predicted distance of the ball?
Here we know that the line that defines the distance traveled by the ball (y) as a function of time (t) is:
y = 3.98 + 53.59*t
Now we want to predict the distance traveled y the ball if it travels for 5 seconds, so we just need to evaluate the above linear equation in t = 5.
So we will get:
y = 3.98 + 53.59*5 = 271.93
So we conclude that the distance traveled in that time is 271.93 feet.
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Answer: 271.93 feet
Step-by-step explanation:
I took the test
Need help we will be posting questions no leaks max points
Answer:
6
Step-by-step explanation:
To find the mean you need to add up all the number & then divide it by the total number of numbers.
7+6+7+6+6+7+6+4+5= 54/9 = 6
Answer from Gauthmath
Answer:
6
Step-by-step explanation:
To get the mean, you must add all numbers and divide it by how many digits you have. So 54 (Sum of all numbers) divide by 9 (9 digits) is 6
Zaboca Printing Limited (ZPL) has only one working printer. Eight (8) customers submitted their orders today Monday 6th June 2022. The schedule of delivery of these orders are as follows:
Jobs (in order of arrival) Processing Time (Days) Date Due
A 4 Monday 13th June 2022
B 10 Monday 20th June 2022
C 7 Friday 17th June 2022
D 2 Friday 10th June 2022
E 5 Wednesday 15th June 2022
F 3 Tuesday 14th June 2022
G 8 Thursday 16th June 2022
H 9 Saturday 18th June 2022
All jobs require the use of the only printer available; You must decide on the processing sequence for the eight (8) orders. The evaluation criterion is minimum flow time.
i. FCFS
ii. SOT
iii. EDD
iv. CR
v. From the list (i to iv above) recommend the best rule to sequence the jobs
The recommended rule to sequence the jobs for minimum flow time is the EDD (Earliest Due Date) rule.
The EDD rule prioritizes jobs based on their due dates, where jobs with earlier due dates are given higher priority. By sequencing the jobs in order of their due dates, the goal is to minimize the total flow time, which is the sum of the time it takes to complete each job.
In this case, applying the EDD rule, the sequence of jobs would be as follows:
D (Due on Friday 10th June)
F (Due on Tuesday 14th June)
E (Due on Wednesday 15th June)
C (Due on Friday 17th June)
G (Due on Thursday 16th June)
H (Due on Saturday 18th June)
A (Due on Monday 13th June)
B (Due on Monday 20th June)
By following the EDD rule, we aim to complete the jobs with earlier due dates first, minimizing the flow time and ensuring timely delivery of the orders.
Therefore, the recommended rule for sequencing the jobs in this scenario is the EDD (Earliest Due Date) rule.
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Jim was thinking of a number. Jim doubles it, then adds 19 to get an answer of 70.1. What was the original number?
Answer:
25.55
Step-by-step explanation:
Let us take the number he thinked of be x .
On doubling it :-
→ N = 2x
On adding 19 :-
→ N = 2x + 19
According to Question :-
→ 2x + 19 = 70.1
→ 2x = 70.1 - 19
→ 2x = 51.1
→ x = 51.1/2
→ x = 25.55
Hence the required answer is 25.55Charlie and Leo were playing with toy cars. Charlie said to Leo that if you give me one car, then i will have twice as many cars as you have. Leo said if charlie gives him a car, they will be equal. How many cars does each boy have? HELP IN PLAYING A BATTLESHIP GAME
Step-by-step explanation:
C + 1 = 2(L-1)
C +1= 2L -2
C- 2L = -3 ......(eq.1)
L+1 = C-1
C- L = 2 .....(eq.2)
by elimination :
C - 2L = -3
C - L = 2
________-
- L = -5
L = 5
C = 2+5 = 7
so, Leo has 5 cars and Charlie has 7 cars
Answer:
Charlie=7, Leo=5
Step-by-step explanation:
cant explain
it looks easy i just dont know how to do it can someone help me out
Answer:
16
Step-by-step explanation:
16+4x = 10 +14
-16 -16
4x = 8
/4 /4
x=2
8x=8(2)
=16
4/5 + 3/5 add following numbers and simplify
Answer:
1 2/5 is your answer in decimal form it is 1.4
4+3/5
7/5~Simplify this fraction~
1 2/5~Is your answer after you simplify~
Answer:
7/5, or 1 2/5 if you're looking for a mixed fraction.
Step-by-step explanation:
Since the denominators are the same, just add the numerators and keep the denominator the same. 7/5
How do you divide fast without a calculator?
The simplest way to perform a division is long division and synthetic division.
What is division?
Division in mathematics is the process of dividing an amount into equal parts. For instance, we may split a group of 20 people into four groups of 5, five groups of 4, and so on.
There are two methods to perform division:
Long division: The mathematical procedure for splitting big numbers into more manageable groups or sections is known as long division. A difficulty can be solved by breaking it down into manageable parts. Dividends, divisors, quotients, and remainders all exist in long divisions.
Synthetic division: In algebra, synthetic division is a technique for manually dividing polynomials according to Euclid, requiring less writing and calculation than long division. Although the approach can be applied to division by any polynomial, it is often taught for division by linear monic polynomials.
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Sue has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. Calculate the area of the polygon. Be sure to show all your work and explain your answer. Six-sided polygon that includes two isosceles right triangles, one with height and base of 25 feet, the other height and base of 8 feet, and one rectangle measuring 35 feet by 8 feet.
Answer:
Step-by-step explanation:
700.5
Elliott Farms has a silo for storage. The silo is a right circular cylinder topped by a right circular cone, both having the same radius. The height of the cone is half the height of the cylinder. The diameter of the base of the silo is 10 meters and the height of the entire silo is 27 meters. What is the volume, in cubic meters, of the silo
the volume of the silo is approximately 11,657.88 cubic meters.
To find the volume of the silo, we need to calculate the volumes of the cylinder and the cone separately, and then add them together.
The radius of the base of the silo is half the diameter, so it's 10 meters / 2 = 5 meters.
The height of the cylinder is given as 27 meters. Since the height of the cone is half the height of the cylinder, the height of the cone is 27 meters / 2 = 13.5 meters.
The volume of a cylinder is calculated using the formula:
Volume of Cylinder = π * radius^2 * height
Plugging in the values, we get:
Volume of Cylinder = π * 5^2 * 27 = 3375π cubic meters (approximately 10,598.07 cubic meters)
The volume of a cone is calculated using the formula:
Volume of Cone = (1/3) * π * radius^2 * height
Plugging in the values, we get:
Volume of Cone = (1/3) * π * 5^2 * 13.5 = 337.5π cubic meters (approximately 1059.81 cubic meters)
Adding the volumes of the cylinder and the cone, we get:
Volume of Silo = 3375π + 337.5π = 3712.5π cubic meters (approximately 11,657.88 cubic meters)
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Consider the function g(x)=−(x−1)^3−2. Which ordered pair lies on the inverse of the function?
(62,−3)
(−4, 123)
(3, 1)
(3,−6)
The ordered pair lie on the inverse of the function is (62,−3).
Option A is the correct answer.
What is a function?A function is a relationship between inputs where each input is related to exactly one output.
Example:
f(x) = 2x + 1
f(1) = 2 + 1 = 3
f(2) = 2 x 2 + 1 = 4 + 1 = 5
The outputs of the functions are 3 and 5
The inputs of the function are 1 and 2.
We have,
f(x) = -(x - 1)³ - 2
The inverse of f(x).
y = -(x - 1)³ - 2
interchange x and y and solve for y.
x = -(y - 1)3 - 2
(y - 1)³ = -2 - x
(y - 1)³ = -(2 + x)
Cuberoot on both sides.
y - 1 = ∛-(2 + x)
y = ∛-(2 + x) + 1
Now,
Substitute in the inverse of g(x).
(62, -3) = (x, y)
(−4, 123) = (x, y)
(3, 1) = (x, y)
(3,−6) = (x, y)
So,
y = ∛-(2 + x) + 1
y = ∛-(2 + 62) + 1
∛-1 = -1
y = -1∛64 + 1
y = -1 x 4 + 1
y = -4 + 1
y = -3
So,
(62, -3) ______(1)
And,
y = ∛-(2 + x) + 1
y = ∛-(2 - 4) + 1
∛-1 = -1
y = ∛(-2 + 4) + 1
y = ∛2 + 1
y = 1.26 + 1
y = 2.26
So,
(-4, 2.26) _______(2)
And,
y = ∛-(2 + x) + 1
y = ∛-(2 + 3) + 1
∛-1 = -1
y = -1∛5 + 1
y = -1 x 1.71 + 1
y = -1.71 + 1
y = -0.71
So,
(3, -0.71) _______(3)
And,
y = ∛-(2 + x) + 1
y = ∛-(2 + 3) + 1
∛-1 = -1
y = -1∛5 + 1
y = -1 x 1.71 + 1
y = -1.71 + 1
y = -0.71
So,
(3, -0.71) ______(4)
Thus,
From (1), (2), (3), (4) we see that,
(62, -3) is the solution to the inverse of g(x).
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Determine whether the variable is qualitative or quantitative Weight Is the variable qualitative or quantitative? A. The variable is qualitative because it is a numerical measure B. The variable is quantitative because it is an attribute characteristic. C. The variable is quantitative because it is a numerical measure. D. The variable is qualitative because it is an attribute characteristic.
A. The variable is qualitative because it is a numerical measure is correct answer.
Any variable that isn't numerical is referred to as a qualitative variable or a category variable. It describes information that falls into a category. for instance: Eye color (variables include: blue, green, brown, hazel).
In statistics, qualitative variables are given nominal scales since they cannot be ordered on a numerical scale. Qualitative variables are exactly what the word "nominal" means: names. No ordering is either conceivable or inferred on a nominal scale (except for alphabetical ordering like New York, Washington, West Virginia or Chelsea, Edinburgh, London). In other words, data are classified according to a category on the nominal scale.
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the lengths of pregnancies in a small rural village are normally distributed with a mean of 266 days and a standard deviation of 16 days. a distribution of values is normal with a mean of 266 and a standard deviation of 16. what proportion of pregnancies last fewer than 276 days? p(x < 276 days)
Proportion of pregnancies that last fewer than 276 days is approximately 0.7340 or 73.40%.
Describe indetail about how to calculate proportion of pregnancies?Given, mean (μ) = 266 days and standard deviation (σ) = 16 days.
Let X be the length of pregnancies, then X follows the normal distribution with mean (μ) = 266 and standard deviation (σ) = 16.
We need to find the probability that a pregnancy lasts fewer than 276 days i.e. P(X < 276).
To find this probability, we standardize the variable X using the standard normal distribution formula:
z = (x - μ) / σ
where z is the standard normal random variable.
Substituting the given values, we get:
z = (276 - 266) / 16 = 0.625
Using a standard normal distribution table or calculator, we can find that the probability of a standard normal random variable being less than 0.625 is approximately 0.7340.
Therefore, the proportion of pregnancies that last fewer than 276 days is approximately 0.7340 or 73.40%.
Explanation: This means that out of 100 pregnancies, around 73 pregnancies will last fewer than 276 days.
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