Answer:As it is given that, a cylinder has radius 3 inches and height 5 inches and we are to find the volume of the cylinder, also a extra information is given that is a cone has the same radius and height.
We know,
Where,
r is the radius of the cylinder.
h is the height of the cylinder.
Here, we will take the value of π as 3.14 approximately .
Now, we will substitute the given values in the formula :
Note :
Answer might be different if we take the value of π as 22/7 .
Step-by-step explanation:
Answer:
volume of cylinder= πr²h
22. ×4²×5
7
22 × 16×5
7
251.43 inches³
volume of cone=1 × πr²×h
3
1×22×4²×5
3. 7
83.81 inches ³
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The simplified expression is 6x² - 16x + 11.
What is the quadratic equation?
The solutions to the quadratic equation are the values of the unknown variable x, which satisfy the equation. These solutions are called roots or zeros of quadratic equations. The roots of any polynomial are the solutions for the given equation.
The given expression is - 4x + 11 - 2x² + 8x² - 12x.
We first group the terms based on their power of x, like terms together.
The x² terms are 8x² and -2x². These two terms can be combined to give 6x².
The x terms are -4x and -12x. These two terms can be combined to give -16x.
The constant term is 11.
Group 1: 8x², -2x²
Group 2: -4x, -12x
Group 3: 11
Therefore, the simplified expression is 6x² - 16x + 11.
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x^(2)-10x-7 in vertex form
Answer:
y= 2 (x - -5/2)^2-39/2 ?
determine whether the statement is true or false. there exists a function f such that f(x) < 0, f '(x) > 0, and f ''(x) < 0 for all x. a. true b. false
The statement “there exists a function f such that f(x) < 0, f’(x) > 0, and f”(x) < 0 for all x” is false.
To understand why this statement is false, we must first understand what the symbols mean. The symbol f(x) refers to a function of x, and the symbols f’(x) and f”(x) refer to the first and second derivatives of the function, respectively.
The statement is saying that for all x, the function f(x) will be less than 0, the first derivative f’(x) will be greater than 0, and the second derivative f”(x) will be less than 0.
To show that this statement is false, we need to find an example of a function where this is not the case. Let’s consider the function f(x) = x³. At x = 0, this function is equal to 0, and so f(x) < 0 is not true. Additionally, the first derivative at x = 0 is f’(0) = 0, which is not greater than 0. Thus, the statement is false.
We can also show that this statement is false by looking at the graph of the function f(x). A function with the properties given in the statement would have a graph that looks like a “U” shape, with a minimum point at the origin. However, this is not the case for the function f(x) = x³. The graph of this function is a parabola, which does not have the desired shape.
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what is the probability that the proportion of orange candy in this sample (a sample proportion) is between 16% and 18%
The probability that the proportion of orange candy in this sample (a sample proportion) is between 16% and 18% is:0.2023 - 0.0475= 0.1548 (rounded to four decimal places)Hence, the required probability is 0.1548.
To find the probability that the proportion of orange candy in this sample (a sample proportion) is between 16% and 18%, we need to use the normal distribution and the standard normal table. A standard normal table or a z-table is a table that contains the area to the left of z-score on its left tail (to the left of the mean) and represents the normal distribution.
For instance, the area between z=0 and z=1.5 is 0.4332. It shows how likely an event is to occur. The formula to calculate the sample proportion is: sample proportion = (number of favorable outcomes) / (total number of possible outcomes) We can write this as: p = X / N where, p = sample proportion X = number of favorable outcomes N = total number of possible outcomes Now, let's calculate the sample proportion of orange candies: Sample proportion = (number of orange candies) / (total number of candies)= 80 / 500= 0.16 (rounded to two decimal places)
Next, let's calculate the standard deviation of the sample proportion: Standard deviation of sample proportion = √ [ ( p × q ) / n ]where, p = sample proportion q = 1 - p (probability of failure)n = sample size In this case, p = 0.16q = 0.84n = 500Standard deviation of sample proportion = √ [ ( 0.16 × 0.84 ) / 500 ]= 0.024 (rounded to three decimal places) Now, let's calculate the z-scores for 16% and 18%:z1 = (x1 - μ) / σz1 = (0.16 - 0.20) / 0.024z1 = -1.67 (rounded to two decimal places)z2 = (x2 - μ) / σz2 = (0.18 - 0.20) / 0.024z2 = -0.83 (rounded to two decimal places) Finally, let's look up the areas for these z-scores in the standard normal table: Area to the left of z1 = 0.0475Area to the left of z2 = 0.2023.
Therefore, the probability that the proportion of orange candy in this sample (a sample proportion) is between 16% and 18% is:0.2023 - 0.0475= 0.1548 (rounded to four decimal places)Hence, the required probability is 0.1548.
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2x + 4y = 16
3x - 2y = 8
solve this using substitution method only
PLS ANSWER I NEED THIS I WILL GIVE YOU BRAINLIEST
Answer:the first one is x=2 y=3
Step-by-step explanation:2 times 2 is 4 and 4 times 3 is 12 12 plus 4 is 16
Answer: (8,0)
x=8 & y=0
Step-by-step explanation:
1. Solve for y for the first equation which will give you y = 4 - 1/2x
2. Plug in y = 4 - 1/2 to the other equation 3x - 2 (4-1/2x)=8
3. Slove for x which will give be 8
3. plug 8 back to 4 - 1/2 (8) so you'll get y = 0
Jenise wants to find out if the students at her school
would support using money to buy new band uniforms.
Which survey will result in a random sample?
A. She asks each student on her bus.
B. She asks all brand members in the school.
C. She picks every fourth student that leaves the school on
Tuesday.
D. She picks 75 names at random, sends emails, and records
those that return.
If Jenise wants to find out if the students at her school would support using money to buy new band uniforms, the survey that will result in a random sample is D. She picks 75 names at random, sends emails, and records those that return.
What is a random sample?A random sample is a sample that gives each unit in the population an equal chance of participation or being selected.
A random sample involves selecting a subset of the population. The result of the sample survey is generalized on the population to each some conclusions about the population parameters.
Thus, the correct option is D because it involves a random selection.
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help me write these in least to greater asap please!!!!!
Answer: least square root if 7, 2.8, pi,
sqaure root of 17, 4.6
Step-by-step explanation:
anyone able to help out ?
Answer:
The value of x is 1
Step-by-step explanation:
Let us solve the question
∵ Δ PQR ≈ Δ FGH
→ From similarity, then their corresponding sides have an equal ratio
∴ \(\frac{PQ}{FG}\) = \(\frac{QR}{GH}\) = \(\frac{PR}{FH}\)
∵ PQ = 3, QR = x + 3, PR = 2
∵ FG = 6, GH = 6x + 2, FH = 4
→ Substitute them in the ratios above
∴ \(\frac{3}{6}\) = \(\frac{x+3}{6x+2}\) = \(\frac{2}{4}\)
→ By using cross multiplication between the first two ratios
∵ 3 × (6x + 2) = 6 × (x + 3)
∴ 3(6x + 2) = 6(x + 3)
∴ 3(6x) + 3(2) = 6(x) + 6(3)
∴ 18x + 6 = 6x + 18
→ Subtract 6x from both sides
∵ 18x - 6x + 6 = 6x - 6x + 18
∴ 12x + 6 = 18
→ Subtract 6 from both sides
∵ 12x + 6 - 6 = 18 - 6
∴ 12x = 12
→ Divide both sides by 12
∴ x = 1
Fabricio recibe el encargo de preparar 1000 moldes en forma de pirámide hexagonal regular de 10 cm de lado x 30 cm de altura. Además, le han pedido barnizar cada uno de los moldes por dentro y por fuera. Si el galón de barniz rinde para 45 m2, ¿Cuántos galones se requerirán para barnizar los moldes? ¿Cuál será la capacidad en litros de cada molde? a) 2 galones y 1500 litros b) 3 galones y 2200 litros c) 4 galones y 2568 litros d) 5 galones y 2600 litros
Answer:
a) 2 galones y 1500 litros
Step-by-step explanation:
La fórmula para el área de la superficie lateral de una pirámide hexagonal regular =
A = 3a × √ (h² + 3a² / 4)
Donde a = longitud lateral o borde de la base de la pirámide hexagonal = 10 cm
h = altura de la pirámide hexagonal = 30cm.
Resolviendo para 1 molde
A = 3 × 10 × √ (30² + 3 × 10² / 4)
A = 936,7497 cm²
Esto significa que Fabricio tiene que cubrir 936.7497cm² de 1 molde con barniz.
En la pregunta se nos dice que:
1 galón de barniz rinde o cubre 45m²
Por lo tanto, convertimos el área de la superficie de 1 molde a m²
1 cm² = 0,0001m²
936.7497cm² =
936.7497cm² × 0.0001m² / 1 cm²
= 0.09367497m²
Por tanto, si
45m² = 1 galón de barniz
0.09367497m² = x galón
x galón = 0.09367497m² / 45 m²
= 0.002081666 galones
Esto significa que 0,002081666 galones barnizarán 1 molde.
Recuerda, en la pregunta, nos dicen que Fabricio está barnizando 1000 moldes
Si. 1 molde = 0.002081666 galón de barniz
1000 moldes
1000 × 0,002081666
= 2.081666 galones de barniz
Aproximadamente = 2 galones de barniz.
De ahí la capacidad en litros de cada molde = 1500 litros.
Sal's Plumbing charges $25 for a service call plus $50 per hour of service. Write the equation.
:: y = 50x - 25
#: y = 50x + 25
y = -50x + 25
Answer: y = $50x + $25
Step-by-step explanation:
First, let x be equal to the hours of service and y be the total cost. Since the cost is 50 dollars per hour of service, we will write this as "y = 50x" for our equation.
Next, there is a 25-dollar charge for each call. We will add this to our equation as "y = 50x + 25."
Our equation is;
y = $50x + $25
Three numbers A,B,C are in ratio of 2:3:5. If B=4.20, find A and C.
Plz help
Answer:
Step-by-step explanation:
A:B:C = 2:3:5
and B = 4.20
which 3x = 4.20
x = 1.4
A = 2 x 1.4
= 2.8
C = 5 x 1.4
= 7
A = 1.4, C = 7
If the measures of two angles of a triangle are 96° and 34°, what is the measure of the third angle?
The measure of the third angle is (Simplify your answer.)
Answer:
50
Step-by-step explanation:
Triangle=180 degrees
96+34=130
180-130= 50
50 degrees is the third angle
Select all expressions that represent the total area of the large rectangle.
Answer:
a. 5(x + y)
c. 5x + 5y
Step-by-step explanation:
The area = length * width.
Consider the following graph. ei e2 es a e3 с b e4 (FIGURE) (a) How many paths are there from a to c? (b) How many trails are there from a to c? (c) How many walks are there from a to c?
All three parts of the given problem regarding trails, paths and walks have been solved below.
A path is defined as a way in which we can traverse the graph such that neither vertices nor the edges are repeated. In the given graph we can see that for going from a to c there are 4 ways that satisfy the condition of a path. A Trail is an open walk in which no edge is repeated but the vertex can be repeated. So, in the given graph we can see that there are 3!(4) ways in which we can go from a to b and then c and 4 paths in which we can go directly from a to c.
The walk is a sequence of vertices and edges of a graph that can be closed if we come to the same point after traversing the graph or open if we go from one point to another. In the given graph since we go from a point to c point the walk is open but the length of edges of the walk is not defined so if we take the no. of edge length to be 4
there can be 44 ways
so,
number of paths from a to c = 4
number of trails from a to c = 4+3!(4)= 28
number of paths from a to c = 4+3!(4)+2!(6)+1!(4)= 44
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plsss help me!!!!!!!!!!!!!!!!!!
Answer:
105 = (5x-70)
Step-by-step explanation:
You are trying to find x so you would have to place that in to finally get to the end where x = 5
Y more than 5
Translate the phrase into an algebraic expression
Answer:
y+5
Step-by-step explanation:
Answer:
y + 5
Step-by-step explanation:
K
Assume that when human resource managers are randomly selected, 64% say job applicants should follow up within
two weeks. If 7 human resource managers are randomly selected, find the probability that exactly 4 of them say job
applicants should follow up within two weeks.
The probability is.
(Round to four decimal places as needed.)
BCEXIS
Using the binomial distribution, there is a 0.2740 = 27.40% probability that exactly 4 of them say job applicants should follow up within two weeks.
For each manager, there are only two possible outcomes, either they say that job applicants should follow up within two weeks, or they do not say it. The opinion of a manger is independent of the opinion of any other manager, hence the binomial distribution is used to solve this question.
What is the binomial distribution formula?The formula for the probability of x successes is:
\(P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}\)
\(C_{n,x} = \frac{n!}{x!(n-x)!}\)
The parameters are given by:
n is the number of trials of the experiment.p is the probability of a success on a single trial of the experiment.In the context of this problem, the parameters are given as follows:
n = 7, p = 0.64.
The probability of exactly 4 saying that applicants should follow up within two weeks is P(X = 4), hence:
\(P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}\)
\(P(X = 4) = C_{7,4}.(0.64)^{4}.(0.36)^{3} = 0.2740\)
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Limits and Piecewise functions help please
Answer: -2, 2
Step-by-step explanation:
The derivative of a function, f(x), at a point where f(x) has a sharp turn (or cusp) does not exist.
The derivative of a function, f(x), at a point where f(x) has a vertical tangent line does not exist.
Using this information, we can see that f(x) is not differentiable when x=3 since there is a vertical tangent line. We can also see that f(x) is not differentiable when x=-1 since there is a cusp.
What is the percentage strength of neomycin in the final compounded product? (Answer must be numeric; no units or commas; include a leading zero when the answer is less than 1; round the final answer to the nearest ONE DECIMAL PLACE.)Rx:Neomycin (5%) cream 30gPolymyxin B 20gHydrocortisone 10gMix the ingredients to make a smooth creamSig: apply to affected area BID
The percentage strength of neomycin in the final compounded product is approximately 2.5%.
To determine the percentage strength of neomycin in the final compounded product, we need to calculate the weight of neomycin in the cream and divide it by the total weight of the cream.
Neomycin (5%) cream: 30g
The neomycin content is 5% of the total cream weight. To find the weight of neomycin in the cream, we multiply the cream weight by the neomycin percentage:
Weight of neomycin = 30g × 0.05 = 1.5g
Now, to calculate the percentage strength of neomycin in the final compounded product, we divide the weight of neomycin by the total weight of the cream and multiply by 100:
Percentage strength of neomycin = (Weight of neomycin / Total weight of cream) × 100
Percentage strength of neomycin = (1.5g / 60g) × 100 ≈ 2.5
Therefore, the percentage strength of neomycin in the final compounded product is approximately 2.5%.
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Historically, the members of the chess club have had an average height of \( 5^{\prime} 6 " \) with a standard deviation of 2 ". What is the probability of a player being between \( 5^{\prime} 5^{\pri
To solve this problem, we need to find the z-scores of both heights and use a z-score table to find the probabilities.
Given that the mean height of the members of the chess club is 5'6" with a standard deviation of 2". Thus, the distribution can be represented as N(5'6", 2). Firstly, we need to convert the height of the players in inches.
We know that 1 foot is 12 inches, so 5'6" is equivalent to (5*12) + 6 = 66 inches. Similarly, 5'5" is equivalent to (5*12) + 5 = 65 inches.The formula to find z-score is Where x is the height of the player, μ is the mean height and σ is the standard deviation. Substituting the values in the formula, we get the z-score Similarly, the z-score for 5'5 .
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A little boy stands on a carousel and rotates around the road four times. The distance between the little boy and the center of the carousel is 6 feet, then how many feet did a little travel?
1. 389.99FT
2. 150. 72FT
3.1675.39 ft
4. 593.94 ft
150.72
...............
the main limitation of which type of study design is that researchers cannot infer the temporal sequence between exposure and disease when the exposure is a changeable characteristic?
The main limitation of a cross-sectional study design is that researchers cannot infer the temporal sequence between exposure and disease when the exposure is a changeable characteristic.
Cross-sectional studies are observational studies that measure the prevalence of a disease or health outcome at a specific point in time and assess the association between the outcome and exposure to certain risk factors. However, because the data is collected at a single time point, it is impossible to determine the order of events between exposure and outcome. This is particularly problematic when the exposure is a changeable characteristic such as diet or lifestyle habits. In such cases, it is difficult to determine whether the exposure caused the outcome or whether the outcome led to changes in exposure. Despite this limitation, cross-sectional studies can still provide valuable information about the prevalence and distribution of diseases and risk factors in a population.
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Work out the value of 7. 9 V6 + 2. 8 Give your answer correct to 2 decimal places
The expression 7.9V6 + 2.8 is unclear, as "V6" does not represent a known operation. Therefore, it is not possible to determine the value of the expression.
To calculate the value of 7.9V6 + 2.8, we need to evaluate the expression.
First, let's understand the expression "7.9V6." It seems like a typographical error, as the letter "V" does not typically represent any mathematical operation. If we assume it is meant to be a multiplication symbol, the expression can be rewritten as 7.9 * 6.
Next, we can calculate the value of 7.9 * 6, which equals 47.4.
Now, we have 47.4 + 2.8. Adding these two values gives us a result of 50.2.
Therefore, the value of 7.9V6 + 2.8 is 50.2.
In conclusion, the expression is likely a typographical error, but if we interpret it as a multiplication, the value is 50.2 when evaluated.
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Uh help plssss no clue
Answer:
Step-by-step explanation:
y=9x^2-36
=> 9x^2-y-36=0
b^2-4ac
a= 9
b= -1
c= -36
D=y - (4x9x-36)
D=y+1296
-b(+/-) root Dwhole divided by 2a
1+root of y+1296 divided by 18
1+ y + 36 divided by 18
x= y+1+2
x=y+3
at his school's spring carnival, javier is in charge of the balloon-launcher contest. in this contest, each team builds a catapult to launch water balloons at a target. javier gives a bucket of 12 water balloons to each team in the contest. in all, he gives out 48 water balloons.which equation can you use to find the number of teams t in the contest?
The equation which represents the number of the team 't' participated in the water balloon contest is equal to 12t = 48 and number of teams are 4.
Let us consider 't' represents the number of teams participated in the water balloon contest.
Total number of water balloons given by Javier to each team is equal to 12
Total number water balloons distributed by the Javier is equal to 48.
The equation which represents the number of the team in the water balloon contest is given by :
12t = 48
Number of teams participated in contest are:
⇒ t = 48 / 12
⇒ t = 4
Therefore, the equation represents the number of teams in the balloon contest is equal to 12t = 48 and number of teams are 4.
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a fruit stand has to decide what to charge for their produce. they need \$10$10dollar sign, 10 for 444 apples and 444 oranges. they also need \$12$12dollar sign, 12 for 666 apples and 666 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?
No, we cannot find a unique price for an apple and an orange
Let the price of an apple be $x and that of orange be $y.
Condition 1.
They need $10 for 4 apples and 4 oranges.
Then, 4x + 4y = 10
or, 2x + 2y = 5 .....(1)
Condition 2.
They need $12 for 6 apples and 6 oranges.
Then, 6x + 6y = 12
or, 2x + 2y = 5 .....(2)
Two identical linear equations have been discovered.
They do, however, create a system of dependent linear equations that reduces to:
2x + 2y = 5
There are infinite possible solutions to this linear equation.
Thus, we get the conclusion that an apple and an orange cannot have different prices.
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HELP PLEASE! Answer question in screenshot!
*hint* (its not A because when I tried putting it as an answer I got it wrong!)
and please give an explanation!
Thank you!
The most appropriate model to represent the data in the table is (d)
How to determine the most appropriate modelFrom the question, we have the following parameters that can be used in our computation:
The table of values
In the above table of values, we can see that
x = Number of daysy = Miles drivenTo show as the number of miles change by day
A linear or line graph has to be plotted
Hence, the most appropriate model to represent the data is (d)
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Question 2 options:
Multiply the radicals.
What is the product in simplest form?
The product in simplest form is \(-250\sqrt[3]{50}\) .
In the question,
It is given that,
\(5*\sqrt[3]{5} * (-10\sqrt[3]{50})\)
By radical laws, \(\sqrt{a} * \sqrt{b} = \sqrt{ab}\)
So,
The given question becomes:
\(-50*\sqrt[3]{50*5} = -50*\sqrt[3]{250} = -250\sqrt[3]{5} }\)
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What is the value of the expression below written in scientific notation? (2.5x10^3)(3x10^2)
Answer:
7.5 x 10⁵
Step-by-step explanation:
2.5x10^3)(3x10^2)= 750000
move decimal all the way to the left with one # in front of your decimal
The rate of change of function f is the same from x = −9 to x = −4 as it is from x = 1 to x = 6.
Use the drop-down menu to complete the statement.
Function f is a(n)
quadratic or linear or exponential <-- which one of these three
function
If the rate of change of function f is the same from x = −9 to x = −4 as it is from x = 1 to x = 6, then function f is a linear function.
A linear function is a function whose graph is a straight line. Its equation is typically represented by y = mx + b, where m is the slope or gradient of the line and b is the y-intercept.
Let's take a look at the given information that the rate of change of function f is the same from x = −9 to x = −4 as it is from x = 1 to x = 6. The interval from x = −9 to x = −4 is equal to the interval from x = 1 to x = 6, and the rate of change of function f is the same.
It indicates that function f is not increasing or decreasing rapidly, meaning it must be a linear function, whose graph is a straight line with a constant slope.
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