Each pound has 16 ounces in it.
20 pounds would be 16 x 20 ounces = 320 ounces.
If each bag has 5 ounces in it, that's 320 / 5 bags = 64 bags.
Pls give brainliest.
A random sample of 81 items is taken,producing a sample of 47.the population standard deviation is 5.89.construct a 90% confidence interval to estimate the populations mean.
The confidence interval (CI) is a range of values that, with a particular level of confidence, is likely to include a population value. The confidence interval for the given sample is 48.07656, 45.9234.
What is a confidence interval?The confidence interval (CI) is a range of values that, with a particular level of confidence, is likely to include a population value. The percentage is used to represent the location of a population mean between an upper and lower interval.
Given the random sample is 81, while the sample means is 47, the standard deviation is 5.89. Therefore, the confidence interval for 90% of the population mean is,
\(CI = \bar{x} \pm z \dfrac{s}{\sqrt{n}}\\\\CI = 47 \pm 1.645 \dfrac{5.89}{\sqrt{81}}\\\\CI= 47 \pm 1.07656\\\\CI = 48.07656, 45.9234\)
Hence, the confidence interval for the given sample is 48.07656, 45.9234.
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3/__ = 21/35
(I needed help on this ONE equation :/)
Answer:
5
Step-by-step explanation:
we can make that blank x
3/x=21/35
Now cross multiply
3(35)=x(21)
105=21x
/21. /21
5=x
Or
Divide be numerators to see how much of a difference it is
21/3=7
So we divide the denominator by 7
35/7=5
So the denominator is 5
Hopes this helps please mark brainliest
A survey was given to a random sample of 1350 residents of a town to determine whether they support a new plan to raise taxes in order to increase education spending. Of those surveyed, 64% of the people said they were in favor of the plan. At the 95% confidence level, what is the margin of error for this survey expressed as a percentage to the nearest tenth?
The margin of error for the survey, rounded to the nearest tenth, is approximately 4.0% when expressed as a percentage.
To determine the margin of error for a survey at the 95% confidence level, we need to calculate the standard error. The margin of error represents the range within which the true population proportion is likely to fall.
The formula for calculating the standard error is:
Standard Error = sqrt((p * (1 - p)) / n)
where p is the sample proportion and n is the sample size.
In this case, the sample proportion is 64% (or 0.64) since 64% of the 1350 surveyed residents support the plan.
Plugging in the values:
Standard Error = \(\sqrt{(0.64 * (1 - 0.64)) / 1350)}\)
\(= \sqrt{(0.2304 / 1350)} \\= \sqrt{(0.0001707)}\)
≈ 0.0131
Now, to find the margin of error, we multiply the standard error by the appropriate critical value for a 95% confidence level. The critical value corresponds to the z-score, which is approximately 1.96 for a 95% confidence level.
Margin of Error = z * Standard Error
= 1.96 * 0.0131
≈ 0.0257
Finally, to express the margin of error as a percentage, we divide it by the sample proportion and multiply by 100:
Margin of Error as Percentage = (Margin of Error / Sample Proportion) * 100
= (0.0257 / 0.64) * 100
≈ 4.0%
Therefore, the margin of error for this survey, expressed as a percentage to the nearest tenth, is approximately 4.0%.
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Find the accumulated value of an investment of $19,000 at 8% compounded annually for 10 years. 99) Find the accumulated value of an investment of $900 at 10% compounded quarterly for 5 years. 100) Find the accumulated value of an investment of $6000 at 7% compounded continuously for 5 years.
Answer:
98)
\(19000( {1.08}^{10} ) = 41019.57\)
The accumulated value is $41,019.57.
99)
\(900 {(1 + \frac{.10}{4} )}^{4 \times 5} = 1474.75\)
The accumulated value is $1,474.75.
100)
\(6000 {e}^{.07 \times 5} = 8514.41\)
The accumulated value is $8,514.41.
The accumulated value of an investment of $19,000 at 8% compounded annually for 10 years is approximately $40,717.96.
The formula for the accumulated value of an investment compounded annually is given by:
A = P(1 + r/n)^(nt)
Where:
A is the accumulated value
P is the principal amount (initial investment)
r is the annual interest rate (in decimal form)
n is the number of times the interest is compounded per year
t is the number of years
For the first investment:
P = $19,000
r = 8% = 0.08
n = 1 (compounded annually)
t = 10 years
Plugging these values into the formula, we get:
A = $19,000(1 + 0.08/1)^(1*10)
A ≈ $40,717.96
Therefore, the accumulated value of the investment is approximately $40,717.96.
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Please help me ...........................
Answer:
Carla's dog =15 pounds
Paula's dog= 45 pounds
60÷4=15,so Carla's dog weighs 15 pounds and Paula's dog weighs 45 pounds
Step-by-step explanation:
divide 60 by 4 and multiply your answer (15) by 3
suppose that a histogram of a data set is approximately symmetric and bell shaped. approximately what percent of the observations are within one standard deviation of the mean? question 6 options: 50% 68% 99.7% 95%
68% of the observations are within one standard deviation of the mean.
Hence the correct option is (B).
Here given that the histogram of a given data set is approximately symmetric and " bell shaped ".
So the variable represented by the data set or the Histogram is Normally Distributed.
We know that from 68 - 95 - 99.7 Rule that, If a variable is normally distributed then
Percentage of the measures are within 1 standard deviation of the mean is 68%.Percentage of the measures are within 2 standard deviation of the mean is 95%.Percentage of the measures are within 3 standard deviation of the mean is 99.7%.Hence we can say that here 68% of the observations are within one standard deviation of the mean.
Hence the correct option is (B).
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The 3-sigma limits for a process whose distribution conforms to the normal distribution includes _______ of the observed values, in the long run.
The 3-sigma limits for a process whose distribution conforms to the normal distribution include 99.74% of the observed values, in the long run. This means that if you have a process that is normally distributed, then, in the long run, 99.74% of the values will fall within three standard deviations of the mean.
This is an important concept to understand because it can be used to help control a process. For example, if you know that 99.74% of the values will fall within three standard deviations of the mean, then you can set up control limits that correspond to those values. This can help you ensure that your process stays within the desired range.
Understanding the 3-sigma limits can help you better control your process and ensure that it produces the desired results.
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what is 984 times 483
Answer:
475272 will be your answer.
Step-by-step explanation:
just multiply.
Answer:
475272
Step-by-step explanation:
Brainliest?
The speed of light is approximately 6.71 x 108 miles per hour. Express this number in standard form.
10^8=100000000
100000000x6.71=671,000,000
If the entries of both A and A^-1 are integers, is it possible that det A=3?
Hint: what is det(A)det(A^-1)?
it is not possible for det A to equal 3 if the entries of both A and A^-1 are integers.
The determinant of a matrix and its inverse are multiplicative inverses of each other, meaning that det(A)det(A^-1) = 1. If det A = 3, then det(A^-1) = 1/3. However, since the entries of both A and A^-1 are integers, this is a contradiction, as the determinant of a matrix with integer entries must also be an integer. Therefore, it is impossible for det A to equal 3 in this scenario.
it explains the reasoning behind the solution and provides a deeper understanding of the concept of determinants.
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Can anyone solve these 2 questions they are very easy but i want to double check
Answer:
Corresponding angels:
a,f
h,b
e,d
c,g
y = 80 Vertical angles are congruent
x = 50 Sum of the interior angles of a triangle is 180
180 - 80 -50 = 50
Step-by-step explanation:
8. The graph below represents the path of a golf ball.
The Path of a Golf Ball
Part A: The above graph is (circle one) linear/nonlinear.
Part B: Is the above graph a function? Explain.
Part C: What is the y-intercept and what does the y-intercept
representa
Part D: What is the solution to this graph and what does it represent in this
situation?
Answer:
Part A: Non linear
Part B: Yes
Part C: The y-intercept is (0, 0), represent the starting height level of the golf ball
Part C: The solution are the points (0, 0) and (100, 0) which are the points at which the golf ball touches the ground
Step-by-step explanation:
Part A: The shape of the path of the increase in the height of the the golf ball as it moves in increasing horizontal distance from the starting point is hat of a parabola
Part B: The graph is a function because each value of the independent variable, distance (ft.) maps to exactly one value of the dependent variable, elevation (ft.)
Part C: The y-intercept represents the starting or initial value of the function, where x = 0. It represents the height from which the golf ball motion path starts
Part D: The solution represents the values of the x-intercept at which the elevation is the y = 0.
Q. Which of these graphs matches the equation y = -3x?
Answer: C
.......................
Answer: A
Step-by-step explanation:
Geometry, please answer question ASAP
Answer:
length = 11 ft
breathe = 5 ft
perimeter of rectangle = lxb
= 11ft x 5ft
= 55 ft
the answer is 55 ft
Answer:
Perimeter of rectangle = 2(l+b)
=2(11+5)
=2x16=32ft
you were taking a multiple-choice test that has six questions. Each of the questions has five answer choices, with one correct answer per question. If you select one of these choices for each question and leave nothing blank, and how many ways can you answer the questions?
The number of ways to answer the questions is given as follows:
15,625.
What is the Fundamental Counting Theorem?The Fundamental Counting Theorem states that if there are n independent trials, each with \(n_1, n_2, \cdots, n_n\) possible results, the total number of outcomes is calculated by the multiplication of the number of outcomes for each trial as presented as follows:
\(N = n_1 \times n_2 \times \cdots \times n_n\)
For this problem, there are six questions, each with five possible options, hence the number of ways to answer the questions is calculated as follows:
5^6 = 15,625 ways.
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Prices for a day-ticket entrance at the Day-ticket Disneyland Paris Resort are as follows Pric Entrance Adult 205 $45 E170 Children Work out the percentage discount offered with the family ticket option. 2 adults, 2 children)
Answer:
15%
Step-by-step explanation:
Price of daily tickets entrance
Adult=£55
Children=£45
Family (2 adults and 2children)=£170(discount price)
Let
price for adults=a
Price for Children=c
Price of tickets without discount for 2 adults and 2 children=2(a+c)
=2(55+45)
=2(100)
=£200
Percentage discount offered with the family tickets=difference in price/original price×100
=£200-£170/200×100
=30/200×100
=30/2
=15%
The Percentage discount offered with the family tickets=15%
The type of sampling method in which a sample frame is divided into groups, which are highly similar to the others is:
The type of sampling method in which a sample frame is divided into groups, which are highly similar to the other
Simple random sampling.According to the given question, we are asked to show the name which is given to the type of sampling method in which a sample frame is divided into groups, which are highly similar to the other.
As a result of this, when a sample frame is divided into groups which are very similar to each other, then this is a simple random sampling.
In this method, we can see that there are different types of random sampling techniques which includes:
Simple random samplingStratified random samplingCluster random samplingSystematic random samplingTherefore, the correct answer is Simple random sampling.
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Solve the exponential equation. Round your answer to the nearest hundredth:9n = 49
Answer:
\(n=1.77\)Explanation: We have to solve the exponential equation, the equation provided is as follows:
\(9^n=49\)We will resort to the logarithmic properties:
\(\begin{gathered} \log_9(9^n)=\log_9(49) \\ \\ n\operatorname{\log}_9(9^)=\operatorname{\log}_9(49) \\ \\ n=\frac{\operatorname{\log}_9(49)}{\operatorname{\log}_9(9^)} \\ \\ n=\log_9(49) \\ \\ n=1.7712437491614 \\ \\ n=1.77 \end{gathered}\)The school year book had 50 ads placed last year. This year there was a 20% increase in the number of ads. What was the increase in the number of ads placed?
A: 20
B: 30
C: 40
D: 10
Show your work
Answer:
10
Step-by-step explanation:
20% of 50 ads
=20/100*50 ads
=10 ads
If a stock has a beta measure of 2.5, discuss what this means(be specific).
The means of a stock that has a beta measure of 2.5 is 2.5%.
A beta measure of 2.5 indicates that the stock is 2.5 times as volatile as the market.
This means that if the market goes up by 1%, the stock is expected to go up by 2.5%.
The beta measure is a measure of the volatility of a stock relative to the market.
If the market goes down by 1%, the stock is expected to go down by 2.5%.
Therefore,
The stock is considered to be more risky than the average stock in the market.
A beta measure of 2.5 indicates that the stock is 2.5 times as volatile as the market.
This means that if the market goes up by 1%, the stock is expected to go up by 2.5%.
Conversely, if the market goes down by 1%, the stock is expected to go down by 2.5%.
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Name the property illustrated by the statement " (7a * 2b) + 3c = 3c + ( 7a * 2b)" Group of answer choices Associative Property of Multiplication Associative Property of Addition Commutative property of Multiplication Commutative Property of Addition
The property illustrated by the statement where the equation is given as (7a * 2b) + 3c = 3c + (7a * 2b) is the Commutative Property of Addition
How to name the property illustrated by the statement?The equation is given as
(7a * 2b) + 3c = 3c + (7a * 2b)
The Commutative Property of Addition states that
a + b = b + a
In this case
a = (7a * 2b) and b = 3c
When the Commutative Property of Addition is applied using the above variables, we have
(7a * 2b) + 3c = 3c + (7a * 2b)
Hence, the property illustrated by the statement where the equation is given as (7a * 2b) + 3c = 3c + (7a * 2b) is the Commutative Property of Addition
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Find the product using the Distributive Property. (2x+3)(x−4)
Answer:
2x² - 5x - 12------------------
Distributive Property is:
(a + b)(c + d) = ac + ad + bc + bdUse same rule to find the product:
(2x + 3)(x − 4) = 2x(x) - 2x(4) + 3x - 4(3) = 2x² - 8x + 3x - 12 = 2x² - 5x - 12I really need help with this I would be really happy If you could help meyou don't need to show me how I just need the answer
Answer:
Yes, of course
Step-by-step explanation:
Feel free to ask the question.I'll answer the question.Solve for x.
5x – 29 > -34
OR
2x + 31 < 29
Lin
Choose 1 answer:
Answer:
5x-29>-34= x>-1
2x+31<29 = x<-1
Step-by-step explanation:
At Statebert University, 70% of the students are female. If there are 210 male students
at Statebert U., how many female students are there?
Answer:
490 female students
Step-by-step explanation:
If 70% of students are female, 30% are male.
If 30% of students = 210 students, we can divide both sides of the equation by 3.
30/3 = 10
210/3 = 70
10% of students = 70 students
To get 70% of students, multiply both sides by 7.
10*7 = 70
70 * 7 = 490
70% of students = 490 students
Hope this helps!
On a piece of paper, graph y< x-3. Then determine which answer matches the graph you drew.
Answer:
The answer is A
Step-by-step explanation:
cuz
Answer:
A
Step-by-step explanation:
I hope this helps you
please mark be brainlest
ABCD is a parallelogram. Find the values of x and y.
Answer:
x = 8; y = 29
Step-by-step explanation:
In a parallelogram, opposite angles are congruent.
8x = 7x + 8
x = 8
4y = y + 87
3y = 87
y = 29
Answer:
x = 8
y = 29
Step-by-step explanation:
Please let me know if you want me to write an explanation for my answer :)
The angles of a pentagon are X, X, X, X and (x + 10), Work out the size of the
Largest angle,
Sum of interior angles of pentagon=540
\(\\ \sf\dashrightarrow x+x+x+x+x+10=540\)
\(\\ \sf\dashrightarrow 5x+10=540\)
\(\\ \sf\dashrightarrow 5x=540-10\)
\(\\ \sf\dashrightarrow 5x=530\)
\(\\ \sf\dashrightarrow x=106\)
Largest angle=x+10=106+10=116°
NO LINKS!!! PLS HELP ME IM TRYING TO GRADUATE PLSSS !!! Find the midpoint of the segment below and enter its coordinates as an
ordered pair. If necessary, express coordinates as fractions, using the slash
mark (/) for the fraction bar.
(1,-1) (4,-6)
Answer:
x = 5/2 , y = -7/2
Step-by-step explanation:
r's your solution
=> formula for finding midpoint =.( X1 + X2/)/2 , (Y1+Y2)/2
=> putting the value of in formula
=> x= 4+1/2 , y = -1-6/2
=> x = 5/2 , y = -7/2
hope it helps
to prove that δdef ≅ δdgf by sas, what additional information is needed? ∠def ≅ ∠dgf ∠dfe ≅ ∠dfg de ≅ dg dg ≅ gf
Two corresponding sides of the triangles are congruent by congruence postulate, meaning DE ≅ AB and EF ≅ BC. The included angle between the congruent sides is also congruent, meaning ∠DEF ≅ ∠ABC.
To prove that ΔDEF and ΔABC are congruent by SAS (Side-Angle-Side), we need to have the following additional information:
1. The length of two sides of each triangle must be equal.
2. The included angle between these two sides must be equal.
3. The length of the third side of each triangle must be equal.
If we have this information, we can use the SAS congruence postulate to prove that ΔDEF and ΔABC are congruent.
To prove that ΔDEF and ΔABC are congruent by the Side-Angle-Side (SAS) Congruence Postulate, you'll need the following additional information:
Once you have this information, you can apply the SAS Congruence Postulate to conclude that ΔDEF and ΔABC are congruent.
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