Answer:
44 in^2
Step-by-step explanation:
The surface area is 2 circles and one rectangular shape side, the area for the circle is A = pi*r^2 = 1^2*pi, and side area is circumference of the circle times height, so A side = pi*D*height = 2pi*6 =12pi.
So total surface area = 2pi + 12pi = 14pi =43.98 = 44 in^2
If it is helpful, plz give me Brainliest.
The closest to the total surface area of the cylinder is 44 inches²
Total surface area of a cylinder:a = 2πr(r+h)where
r = radius
h = height
Therefore,
r = 2 / 2 = 1 inch
h = 6 inches
a = 2 × 3.14 × 1(1 + 6)
a = 6.28(7)
a = 43.96
a ≈ 44 inches²
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The diagram below shows triangle OAG where RN, NE, and ER are mid segments of the triangle.
Answer:
here u go
Step-by-step explanation:
The diagram below shows ΔOAG, where RN¯, NE¯, and ER¯ are mid-segments of the triangle.
If OA=(4x+3) units, NE=(2.5x) units, RN=4.5 units, and ER=(2x) units, determine the measures below.
The length of NE¯ is units.
The length of GO¯ is units.
The length of AG¯ is units.
The perimeter of ΔOAG is units.
Consider the exponential function f(x)=3(1/3)^x and it’s graph
The given exponential function exists \(f(x)=3(1/3)^x\) . The growth value of the function is 1/3.
What is exponential function?An exponential function exists a mathematical function of the following form: \(f ( x ) = a^ x\).
where x exists a variable, and a exists a constant named the base of the function.
An exponential function exists of the form \(f(x)=ab^x\)
where a ≠ 0, b > 0, b ≠1, and x exists any real number.
when b > 1, the graph increases.
when 0 < b < 1, the graph decreases.
a = initial value
r = growth or decay rate
x = number of time.
The given exponential function exists \(f(x)=3(1/3)^x\)
The function exists a stretch of the function \(f(x)= (1/3)^x.\)
Therefore, the correct answer is the growth value of the function is 1/3.
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what are the possible values for (randgen.nextint(9) -4)? assume a random number generator object named randgen exists. question 35 options: -4...4 -9...9 0...4 0...9
The correct option would be -4...4.
How to find the range of possible values for the expression (randgen.nextInt(9) - 4)?The expression (randgen.nextInt(9) - 4) uses a random number generator object named randgen to generate a random integer between 0 (inclusive) and 9 (exclusive) using the nextInt() method.
By subtracting 4 from this random integer, we determine the range of possible values for the expression.
Since the original random integer ranges from 0 to 8, subtracting 4 shifts the range to -4 to 4. This means that the possible values for (randgen.nextInt(9) - 4) can be any integer between -4 and 4, inclusive.
In other words, the expression can yield values such as -4, -3, -2, -1, 0, 1, 2, 3, and 4. These values cover a total of nine integers, including both positive and negative numbers.
Therefore, the correct option is -4...4, which represents the range of possible values for the expression (randgen.nextInt(9) - 4).
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according to the graph, the system of linear equations has how many solutions?
a) 1
b) 2
c) no solutions
d) infinitely many
Answer: 1 solution
Step-by-step explanation:
The system of linear equations has a unique solution. Then the correct option is A.
What is a linear equation?A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.
The linear equation is given as,
y = mx + c
Where m is the slope of the line and c is the y-intercept of the line.
If the slopes are different then the system has one solution.
From the graph, the slope of the lines is different. Then the system of linear equations has a unique solution.
Thus, the correct option is A.
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True or False.
The standard deviation is equal to the square of the variance.
The statement "the standard deviation is equal to the square of the variance" is False.
In statistics, both the standard deviation and the variance are measures of variability or dispersion within a dataset.
However, they are distinct measures and not equal to each other.
The variance (σ²) is the average of the squared deviations from the mean.
It is calculated by summing the squared differences between each data point and the mean, and then dividing by the total number of data points. The variance is expressed in squared units of the original data.
On the other hand, the standard deviation (σ) is the square root of the variance.
It represents the average amount of deviation or dispersion of data points from the mean.
By taking the square root of the variance, the standard deviation is expressed in the same units as the original data, making it more interpretable and easier to compare across different datasets.
In summary, the standard deviation is not equal to the square of the variance. Rather, it is the square root of the variance.
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Which of the following is a factor of 6x^3 + 6?
Answer:
x + 1
Step-by-step explanation:
Step-by-step explanation:6x^3 + 6 = 6 ^ 3+ 1 = 6(x+1) (x^2 - x + 1)
Guys please help I don’t get it, I will mark you brainliest. Have a good night!
Answer:
5/3
the only thing you have to do is look where the arrow touches a point on a line(if that makes sense), there should be 2 points touching, you just go up and to the right, count how many units u rose and how many units u went to the side, put them into a fraction and you get your answer!
A farmer wants to build a rectangular enclosure. He uses a side of a barn for one side. He has 3000 ft of fencing material. The enclosure is to be partitioned into 3 sections of equal area. Find the dimensions of the largest enclosure the farmer can build.
To find the dimensions of the largest enclosure the farmer can build, we need to use optimization.
Let the length of the barn = L and width of the rectangular enclosure = W
Let's draw the rectangular enclosure as shown below:
From the problem statement, the enclosure is to be partitioned into 3 sections of equal area.
Summary: The farmer can build the largest rectangular enclosure having dimensions 750 feet x 1500 feet using 3000 feet of fencing material. The rectangular enclosure is partitioned into 3 sections of equal area.
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RESEARCH STUDY 11.2: Dr. Bloedorn is a health psychologist who researches nutrition. She is curious as to whether a new drink additive will help people consume fewer calories during a meal. The drink additive is a white, odorless, tasteless powder that a person can add to any drink. She collects a random sample of 63 overweight students on campus and measures the calories they eat during lunch using a bomb calorimeter. She then gives this additive to the same 63 participants to use at dinner and measures how many calories they eat (again using the bomb calorimeter). Imagine that Dr. Bloedorn finds no difference between the calories consumed with the drink additive and without. This is known as
Answer:
This is known as null effect
Step-by-step explanation:
A null effect is the outcome of an experiment that does not give the effect or result expected. Although an experiment with a null effect has a result, however the result of the experiment does not support the hypothesis
An example of a null result that remains importantly useful is the Michelson-Morley experiment from that partly made possible the formulation of special relativity theory
Suppose S is between R and T. Use the Segment Addition Postulate to solve for y.
RS=7y−1
ST=y+5
RT=28
y=
Answer:
3
Step-by-step explanation:
S is a point on line segment RT.
So RS+ST=RT.
(7y-1)+(y+5)=28
Combine like terms:
8y+4=28
Subtract 4 on both sides:
8y=24
Divide both sides by 8:
y=3
________ outline(s) sources of existing data as well as specific research approaches, sampling plans, and measurement instruments.
A research methodology outlines sources of existing data as well as specific research approaches, sampling plans, and measurement instruments.
It provides a detailed and systematic approach to answering research questions and is essential for ensuring the validity and reliability of research findings.
The question is asking for a description of the various sources of data that are available, as well as the different research methods, sampling plans, and measurement tools that can be utilized in data collection.
Some examples of existing data sources include public records, government databases, published reports and articles, and surveys or polls conducted by other organizations.
Research approaches could include qualitative or quantitative methods, experimental or observational designs, or case studies.
Sampling plans would involve determining the appropriate population to be studied and the selection of participants for the study, while measurement instruments would refer to the specific tools used to collect data, such as surveys, questionnaires, or observation checklists.
The selection of appropriate sources, methods, plans, and instruments will depend on the research question, the target population, and the desired outcomes of the study.
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What is the value of 10/0 . Show & explain why
Answer:
10/0 = 1/0 If the numerator is greater than or equal to the denominator of a fraction, then it is called an improper fraction. In that case, you could convert it into a whole number or mixed number fraction.
Step-by-step explanation:
hope this helps
answer:
10 / 0 =
undefined
step-by-step explanation:
the value of zero is zero. the natural numbers are often defined as beginning with a number like 1.
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increse thenumber 2 by 5/8 of it.and then increse the number by 5/8 of it
The increase in the given number by 5/8 and again increase in the number by 5/8 will be equal to 5.28.
What is a fraction?In mathematics, a fraction is represented by a specific number that designates a portion of an entire. A fraction is a piece or section of a whole, whereby a can have been any number, a particular value, or an object.
As per the instructions given in the question,
The given number is 2.
Firstly, increase the number by 5/8.
So,
5/8 × 2 = 1.25
Then, the increase in the number will be: 2 + 1.25 = 3.25
Now, again, increase the number by 5/8.
So,
3.25 × 5/8 = 2.03
Then, the final number achieved is: 3.25 + 2.03 = 5.28
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what principal will earn $67.14 interest at 6.25% for 82 days?
Answer: attach an image
Step-by-step explanation:
To find the principal, we can use the formula for simple interest:
I = P*r*t
where I is the interest, P is the principal, r is the interest rate, and t is the time in years.
We need to convert 82 days to years by dividing it by 365 (the number of days in a year):
t = 82/365
t = 0.2247
Now we can plug in the values we know and solve for P:
67.14 = P*0.0625*0.2247
P = 67.14/(0.0625*0.2247)
P = 1900
Therefore, the principal is $1900.
A plane veered off its course at an angle of 14°. If the plane ends up 23 miles due west of its planned destination, how far did it fly? Estimate your answer to 2 decimal places.
The plane flew 95.08 miles.
What is trigonometric ratio?The ratios of sides of a right-angled triangle with respect to any of its acute angles are known as the trigonometric ratios of that particular angle.
Given,
A plane veered off its course at an angle of 14°.
Plane ends up 23 miles due west of its planned destination.
By the figure,
Sin 14° = AB/AC
= 23/AC
AC = 23/Sin 14°
AC = 23/0.2419
AC = 95.08 miles
Hence, 95.08 miles, the aero plane flew.
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In 3 hours, the Johnson family traveled 195 miles by car. How far will they travel in 5 hours?
Giving away 40 points please answer
The distance covered by by the Johnson family in 5 hours is 325 miles
In the above question, it is given that
Johnson family is travelling,
The distance covered in 3 hours = 195 miles
We need to find the distance covered by the Johnson family in 5 hours
So, first we'll find the distance covered by the Johnson family in 1 hours
Therefore,
The distance covered in 1 hour = \(\frac{195}{3}\) miles
Now, the distance covered in 5 hours = \(\frac{195 . 5 }{3}\) miles
= 325 miles
Hence, the distance covered by by the Johnson family in 5 hours is 325 miles
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At a local bodega, the cost of a bottle of juice at the corner store is $1.40, and the cost of a bottle of soda is $1.20. What would it cost to get 4 bottles of juice and 7 bottles of soda? What would it cost to get xx bottles of juice and y bottles of soda?
Answer:
Expert Verified AnswerStep-by-step explanation:
To get 4 bottles of juice and 7 bottles of soda, it would cost:
4 bottles of juice * $1.40/bottle = $5.60
7 bottles of soda * $1.20/bottle = $8.40
The total cost would be $5.60 + $8.40 = $14.00
For xx bottles of juice and y bottles of soda, it would cost:
xx bottles of juice * $1.40/bottle = $1.40 * xx
y bottles of soda * $1.20/bottle = $1.20 * y
The total cost would be $1.40 * xx + $1.20 * y.
Please help will give brainliest
Answer:
D
Step-by-step explanation:
40% = \(\frac{40}{100}\) = \(\frac{2}{5}\) ← in simplest form
Then
\(\frac{2}{5}\) of $120 = \(\frac{2}{5}\) × $120 = 2 × $24 = $48
she pays $120 - $48 = $72
One mechanic services 4 drilling machines for a steel plate manufacturer. Machines break down on an average of once every 4 working days, and broakdowns tend to Poisson distribution. The mechanic can handie an average of one repair job per day. Repairs follow a negative exponential distribution: a) On the average, how many machines are waiting for service? The average number of machines waiting for service is (Round your response to three decimal places.)
Therefore, the average number of machines waiting for service is 0.083 (rounded to three decimal places).
To calculate the average number of machines waiting for service, we can use the concept of the M/M/1 queue, where arrivals follow a Poisson distribution and service times follow a negative exponential distribution.
In this case, the arrival rate (λ) is 1 breakdown every 4 working days, and the service rate (μ) is 1 repair job per day.
The utilization factor (ρ), which represents the system's utilization, can be calculated as ρ = λ/μ = (1/4)/(1) = 1/4.
The average number of machines waiting for service (Lq) can be calculated using the formula Lq = ρ² / (1 - ρ).
Plugging in the values, we have Lq = (1/4)²/ (1 - 1/4) = 1/12.
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Write the expression the product of 18 and 12
Answer: 18*12 or 216
Step-by-step explanation:
The product of 18 and 12 would be written as 18*12. When you solve the expression, you get 216.
Graph the image of this figure after a dilation with a scale factor of centered at the origin.
Use the polygon tool to graph the dilated figure.
Answer:the real answer is (-2,1), (-1,4), (1,2)
Step-by-step explanation:
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Please help on at least 2 of these!! I'll give brainliest!!
Solve the two-step equation and identify the steps. 94 points
2 = − 7
4
+ 1
4
x
1.
Subtract
StartFraction 7 over 4 EndFraction to both sides.
2.
by 4.
The solution is x =
.
Answer:
Step-by-step explanation:
Can you like put the equation together it looks highly confusing
The solution for the given equation is 15.
The given equation is 2 = -7/4 + 1/4 x.
The solution of an equation is the set of all values that, when substituted for unknowns, make an equation true.
Here, 2 = (-7+x)/4
2×4 = -7+x
8 = -7+x
x = 8+7
x = 15
Therefore, the solution for the given equation is 15.
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Distributive property
Do not solve
Rewrite each expression using distributive property.
6(1+5)=
Answer:
6 + 30
Step-by-step explanation:
6(1+5)
6 + 30
= 36
what would he have gotten
Answer
he would have gotten a marry Christmas
Step-by-step explanation:
also hope you have a good day
Solve the equation C^2 =4
Answer:
2
Step-by-step explanation:
Hey there!
The equation is asking us, c x c = 4
What is c?
Well the only number that is equal to 4 when you square it is 2
Did Paul or pippa do it correctly
Triangle A'B'C' is the result of dilation about the origin with a scale factor of 2 / 3 on triangle ABC. (Translation: Pippa was right)
How to determine the scale factor to modify a right triangle
Herein we find a picture a graph with two proportional right triangles, which means that the small triangle is the consequence of a rigid transformation. The kind of rigid transformation used is a dilation around the origin, whose formula is shown below:
P'(x, y) = k · P(x, y)
Where k is the scale factor.
There is a dilation if and only if each point is scaled by the same factor. If we know that A(x, y) = (3, 9), A'(x, y) = (2, 6), B(x, y) = (9, 9), B'(x, y) = (6, 6), C(x, y) = (3, 3) and C'(x, y) = (2, 2), then the scale factor for each point is:
Point A
(2, 2) = k · (3, 3)
k = 2 / 3
Point B
(6, 6) = k · (9, 9)
k = 2 / 3
Point C
(2, 2) = k · (3, 3)
k = 2 / 3
Then, triangle A'B'C' is the result of dilation about the origin with a scale factor of 2 / 3 on triangle ABC.
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Explain why pairwise comparison voting satisfies both majority rule and pairwise victory. (Pairwise comparison voting is sometimes called Condorcet voting, and pairwise victory is sometimes called the Condorcet criterion.)
Pairwise comparison voting, also known as Condorcet voting, satisfies both majority rule and pairwise victory (the Condorcet criterion).
1. Pairwise comparison: In pairwise comparison voting, each candidate is compared to every other candidate in a head-to-head contest. Voters rank the candidates in order of preference, and the outcomes of these individual contests are used to determine the overall winner.
2. Majority rule: Majority rule is satisfied in pairwise comparison voting because, in each head-to-head contest, the candidate who receives more than 50% of the votes is considered the winner. This ensures that the candidate with the majority of votes in each comparison is acknowledged as the preferred choice.
3. Pairwise victory (Condorcet criterion): The Condorcet criterion states that if there is a candidate who can beat every other candidate in a one-on-one contest, that candidate should be the overall winner. Pairwise comparison voting satisfies the Condorcet criterion because it directly compares each candidate against all others, ensuring that any candidate who consistently wins these head-to-head contests is recognized as the overall winner.
In conclusion, pairwise comparison voting (Condorcet voting) satisfies both majority rule and pairwise victory (the Condorcet criterion) by comparing candidates in head-to-head contests, ensuring that the candidate with the majority of votes in each contest is acknowledged as the preferred choice, and recognizing any candidate who consistently wins these head-to-head contests as the overall winner.
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Natalie buys 3 harmonicas. Each harmonica costs $2.85. How much does Natalie spend?
Answer:
$8.55
Step-by-step explanation:
2.85*3 or 2.85+2.85+2.85
(3) Explain why the function h is discontinuous at a = -2. 1 x = -2 x + 2 h(x) = x = -2 (4) Explain why the function f is continuous at every number in its domain. State the domain. 3v1 f(x) = v² + 2
f is continuous at every number in its domain. the function h is discontinuous at a = -2 because the limit of h(x) as x approaches -2 does not exist.
This is because, for x < -2, h(x) = x + 2, while for x > -2, h(x) = 1. As x approaches -2 from the left, h(x) approaches -4, while as x approaches -2 from the right, h(x) approaches 1. Therefore, the limit of h(x) as x approaches -2 does not exist, and h is discontinuous at -2.
(4) Explain why the function f is continuous at every number in its domain. State the domain.
The function f is continuous at every number in its domain because the limit of f(x) as x approaches any number in its domain exists. The domain of f is all real numbers v such that v > 1.
For any real number v such that v > 1, the limit of f(x) as x approaches v is equal to f(v). This is because f(x) is a polynomial function, and polynomial functions are continuous at every real number in their domain. Therefore, f is continuous at every number in its domain.
Here is a more detailed explanation of why f is continuous at every number in its domain.
The function f is defined as f(x) = v² + 2, where v is a real number. For any real number v, the function f(x) is a polynomial function. Polynomial functions are continuous at every real number in their domain. Therefore, for any real number v, the function f(x) is continuous at x = v.
The domain of f is all real numbers v such that v > 1. This is because, for v = 1, the function f(x) is undefined. Therefore, the only way for f(x) to be discontinuous is if the limit of f(x) as x approaches a real number v in the domain of f does not exist.
However, as we have shown, the limit of f(x) as x approaches any real number v in the domain of f exists. Therefore, f is continuous at every number in its domain.
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