a cone and a cylinder have equal radii,r, and equal altitudes, h. If the slant height is l, then what is the ratio of the lateral area of the cone to the cylinder?
The ratio of the lateral area of the cone to the cylinder will be √(h²+r²)/2h.
What are a cone and a cylinder?The solid formed by two congruent closed curves in parallel planes along with the surface created by line segments connecting the corresponding points of the two curves is known as a cylinder.
A cylinder with a circular base is known as a circular cylinder. Based on the form of its base, a cone is given a name.
It is given that a cone and a cylinder have equal radii,r, and equal altitudes, h. The ratio of the lateral surface area of the cone to the cylinder will be calculated as below:-
The lateral area of the cone = πr√(h²+r²)
The lateral area of the cylinder = 2πrh
The ratio will be calculated as:-
R = πr√(h²+r²) / 2πrh
R = √(h²+r²) / 2h
Therefore, the ratio of the lateral area of the cone to the cylinder will be √(h²+r²)/2h.
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find the mean absolute deviation
Follow these procedures to calculate the mean absolute deviation.
1. Determine the data's mean by adding all of the values and dividing by the number of values in the data set.
2. Subtract the mean from each of the data points.
3. Make each difference a good one.
4. Add up all of the positive differences.
5. Subtract this total from the amount of data values in the collection.
This is the mean absolute deviation.
What is mean absolute deviation?A data set's average absolute deviation is the sum of its absolute departures from a central point. It is a statistical dispersion or variability summary statistic.
The average distance between the values in a data collection and the set's mean is described by mean absolute deviation. A data collection with a mean average deviation of 3.2, for example, has values that are 3.2 units away from the mean on average.
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I need help with this problem
An increasing exponential function is defined as follows:
y = a(1 + r)^x.
In which:
a is the initial value.r is the growth rate, as a decimal.For this problem, the function is given as follows:
y = 20000(1.14)^t.
In which the parameters are given as follows:
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write solutions to the systems of inequalities that should lie on the double- shade region
Answer:
(1,1) (2,2) (1,2) (1,5) (4,4) (4,5)
there are a lot more but those are some.
Step-by-step explanation:
Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. A quality inspector took the following samples of the length of time (in seconds) for glue to dry. Please round your calculations to three decimal places. Sample 1 Obs. 1 125 Obs. 3 122 Obs. 2 126 100 155 Obs. 4 132 121 118 Obs. 5 114 125 142 2 130 110 140 129 3 a) What is the value of ? x = seconds (round your response to three decimal places). b) What is the value of R? R= seconds (round your response to three decimal places). c) What are the UCL, and LCL, using 3-sigma? Upper Control Limit (UCL;) = seconds (round your response to three decimal places). Lower Control Limit (LCL;) = seconds (round your response to three decimal places). d) What are the UCLR and LCLR using 3-sigma? Upper Control Limit (UCLR) = seconds (round your response to three decimal places). Lower Control Limit (LCLR) = seconds (round your response to three decimal places).
To find the value of x, we calculate the average of the sample observations. Summing up the observations and dividing by the total number of observations, we get:
x = (125 + 122 + 126 + 100 + 155 + 132 + 121 + 118 + 114 + 125 + 142 + 2 + 130 + 110 + 140 + 129 + 3) / 17 = 114.118 seconds (rounded to three decimal places).b) To find the value of R, we calculate the range of each sample by subtracting the minimum observation from the maximum observation. Then we find the average range across all samples:R = (155 - 100 + 142 - 2 + 140 - 110 + 132 - 114 + 142 - 3) / 5 = 109.2 seconds (rounded to three decimal places).
c) The Upper Control Limit (UCL) and Lower Control Limit (LCL) using 3-sigma can be calculated by adding and subtracting three times the standard deviation from the average:UCL = x + (3 * R / d2) = 114.118 + (3 * 109.2 / 1.693) = 348.351 seconds (rounded to three decimal places).LCL = x - (3 * R / d2) = 114.118 - (3 * 109.2 / 1.693) = -120.115 seconds (rounded to three decimal places).
d) The Upper Control Limit Range (UCLR) and Lower Control Limit Range (LCLR) using 3-sigma can be calculated by multiplying the average range by the appropriate factor:UCLR = R * D4 = 109.2 * 2.115 = 231.108 seconds (rounded to three decimal places).LCLR = R * D3 = 109.2 * 0 = 0 seconds.
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help me answer this pls
Since \(1 - \sin^{2}{\theta} = \cos^{2}{\theta}\), the trigonometric expression \(\frac{\sin{\theta}}{\sqrt{1 - \sin^{2}{\theta}}} = \tan{\theta}\) is proven.
How to prove the trigonometric expression?The trigonometric expression for this problem is defined as follows:
\(\frac{\sin{\theta}}{\sqrt{1 - \sin^{2}{\theta}}} = \tan{\theta}\)
The identity used for the proof is given as follows:
\(\sin^{2}{\theta} + \cos^{2}{\theta} = 1\)
Hence:
\(1 - \sin^{2}{\theta} = \cos^{2}{\theta}\)
Replacing on the left side of the expression, we have that:
\(\frac{\sin{\theta}}{\sqrt{1 - \sin^{2}{\theta}}} = \frac{\sin{\theta}}{\sqrt{cos^{2}{\theta}}}\)
Taking the square root:
\(\frac{\sin{\theta}}{\sqrt{1 - \sin^{2}{\theta}}} = \frac{\sin{\theta}}{\cos{\theta}}\)
The tangent is given as the division of the sine by the cosine, hence:
\(\frac{\sin{\theta}}{\cos{\theta}} = \tan{\theta}\)
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What is Parabola?
What is the transformation of parabolas?
Answer:
What is Parabola:
a symmetrical open plane curve formed by the intersection of a cone with a plane parallel to its side. The path of a projectile under the influence of gravity ideally follows a curve of this shape.
What is the transformation of parabolas?
The function y=x2+b has a graph which simply looks like the standard parabola with the vertex shifted b units along the y-axis. Thus the vertex is located at (0,b). If b is positive, then the parabola moves upwards and, if b is negative, it moves downwards. Similarly, we can translate the parabola horizontally
Step-by-step explanation:
How is annual property rate calculated
Answer:
value of property multiply by the tax rate
Step-by-step explanation: value of the property x the tax rate of the country
PLEASE ANSWER ASAP!! WORTH 20 POINTS
A cab company charges a $4 boarding rate in addition to its meter which is $1.50 for every mile. Write a linear equation which models this. Use the equation to determine the total fare for a trip that is 2 miles, 3 miles and 5 miles.
Answer:
y = 1.50x+4
if x = 2
y = 7
if x = 3
y = 8.5
if x = 5
y = 11.5
Step-by-step explanation:
every mile(x) add 1.50 dollars to 4 dollars
a washing machine can hold 3/4 kg of laundry in each load. if randy has . 6 kilograms of laundry, how many loads does he need to do? 5 6 7 d8
Randy needs 8 loads.
To find the answer on the question we have to follow the method of multiplication and division .
A washing machine can hold \(\frac{3}{4}\) kg of laundry in each load.
\(\frac{3}{4}\) kg of laundry is equal to 1 load.
\(\frac{3}{4}\) kg of laundry = 1 load
1 kg of laundry = \(\frac{1 * 4}{3}\) load ( following the method of division )
1 kg of laundry = \(\frac{4}{3}\) load
Randy has 6kg of laundry.
So, 1kg of laundry i.e \(\frac{4}{3}\) load is to be multiplied by 6.
6kg of laundry = \(\frac{4 * 6}{3}\) load ( following the method of multiplication)
= 8 loads
Hence, Randy needs 8 loads.
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The slope of the line that represents the data nicholas collected is -63, and the y- intercept is 825. explain what these represent in the context of the situation. remember that x is the number if days, and y is the number of canned goods
The slope of the line is -63, which represents the number of canned goods decreases at a rate of 63 per day.
The y-intercept is 825, which is the initial amount of canned goods.
What is the slope-intercept form?In Mathematics, the slope-intercept form of the equation of a straight line is given by this mathematical expression;
y = mx + c
Where:
m represents the gradient, slope, or rate of change.x and y represent the data points.c represents the y-intercept or initial value.Based on the information, an equation that models the situation is given by this mathematical expression;
y = mx + c
y = -63x + 825
In conclusion, we can reasonably infer and logically deduce that the slope is -63 and the y-intercept is equal to 825.
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Set up a double integral in rectangular coordinates for calculating the volume of the solid under the graph of the function f(x,y)=20−x 2
−y 2
and above the plane z=4 Instructions: Please enter the integrand in the first answer box. Depending on the order of integration you choose, enter dx and dy in either order into the second and third answer boxes with only one dx or dy in each box. Then, enter the limits of integration. ∫ A
B
∫ C
D
A= B= C= D=
Given,Function : f(x,y) = 20 - x² - y²
Plane : z = 4
To find, double integral in rectangular coordinates for calculating the volume of the solid under the graph of the given function and above the plane z = 4.
Using the triple integral, the volume of the solid under the graph of the given function and above the plane z = 4 can be calculated as follows:∫∫R [20 - x² - y²]dA where
R is the projection of the solid onto the xy-plane.So, we have to calculate dA in terms of x and y:
∫∫R [20 - x² - y²]dA
= ∫∫R 4 dA + ∫∫R [20 - x² - y² - 4] dA
= 4A + ∫∫R [20 - x² - y² - 4] dA
Now, we calculate A:∫∫R dA = area of R
So, the projection of the solid onto the xy-plane is the circle of radius 2 centered at the origin.
So, the limits of integration are: -2 ≤ x ≤ 2 and -√(4 - x²) ≤ y ≤ √(4 - x²)
Therefore,
A = ∫∫R dA
= ∫-2² 2² ∫-√(4 - x²) √(4 - x²) dy dx
Using these limits, the limits of integration for the second integral will be: -√(4 - x²) ≤ y ≤ √(4 - x²)and for the first integral, the limits of integration will be: -2 ≤ x ≤ 2
Therefore,∫∫R [20 - x² - y²]dA
= ∫-2² 2² ∫-√(4 - x²) √(4 - x²) [20 - x² - y²] dy dx
= 4A + ∫-2² 2² ∫-√(4 - x²) √(4 - x²) [20 - x² - y² - 4] dy dx
= 4A + ∫-2² 2² ∫-√(4 - x²) √(4 - x²) [16 - x² - y²] dy dx
Using the order dx dy, the integral becomes,
∫-2² 2² ∫-√(4 - x²) √(4 - x²) [16 - x² - y²] dy dx
= ∫-2² 2² [-2y³/3 + 16y - xy²]^√(4 - x²) -√(4 - x²) dx
= ∫-2² 2² [64/3π - 8x² - 32√(4 - x²)] dx
= [64x/3π - (8x³)/3 - 16x√(4 - x²)]-2² 2²
= [-64/3π - 16√2/3].
Therefore, the value of the integral is -64/3π - 16√2/3.
So, A= 4π,
B= -64/3π and
C= -√2 and
D= √2.
The correct integral is,∫-√2 √2 ∫-2 2 (20 - x² - y²) dy dx.
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Mrs.Kunkleman asks her students to write the Pythagorean theorem in their own words
Step-by-step explanation:
The Pythagorean theorem can be understood as a mathematical relationship between the sides of a right triangle that helps to understand geometric problems in real situations, such as finding measurements, calculating areas, etc.
The theorem says that the square of the hypotenuse is equal to the sum of the squares on the other sides.
In a right triangle the hypotenuse is the longest side of the triangle, on the side opposite to its longest angle, and the other two sides will be the sides. So the Pythagorean theorem formula is:
a² = b² + c²
where a represents the hypotenuse and b and c the other sides.
A parallelogram-shaped window is divided into two sections by a rectangular piece of wood. Find the total of the area of the surface.
The total area of the glass surface is _ square inches
Solve the log equation:
log (x+36) - log(x+1) = log 19
log base a 5 =0.699 and log base a 2 = 0.301. Use values to
evaluate log base a 20
The value of logarithmic function log base a 20 is 0.902.
Solving the log equation:
log (x+36) - log(x+1) = log 19
Let us use the following logarithmic property:
log a - log b = log(a/b)log(x+36) - log(x+1)
= log 19
⇒ log[(x+36)/(x+1)] = log 19
Taking the anti logarithm on both sides,(x+36)/(x+1) = 19
Multiplying both sides by (x+1),(x+36) = 19(x+1)
Expanding the product, we get:8
x + 36 = 19x + 19x + 1 ⇒ 38x = 35 ⇒ x = 35/38
Therefore, the solution of the given log equation is x = 35/38.
Now, evaluating log base a 20.
We have, log base a 5 = 0.699 and log base a 2 = 0.301.
Now, we know that log base a (xy) = log base a x + log base a y
Using this property, we can write:
log base a 20 = log base a (4 × 5)⇒ log base a 20 = log base a 4 + log base a 5
We know that 4 is 2 raised to the power of 2, i.e., 4 = 2²
Hence, we can write:
log base a 20 = log base a (2²) + log base a 5⇒ log base a 20 = 2 log base a 2 + log base a 5
Now, substituting the values of log base a 5 and log base a 2, we get:
log base a 20 = 2 × 0.301 + 0.699= 0.902
Therefore, log base a 20 = 0.902.
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7/16 times 2 PLEASE ANSWER SIMPLIFY AND ANSWER HAS TO BE A SIMPLIFIED FRACTION PLS PLS PLS MAKE IT A MIXED NUMBER
Answer:
\(\frac{14}{16}\) simplified to \(\frac{7}{8\\}\)
Step-by-step explanation:
\(\frac{7}{16} times \frac{2}{1} you get \frac{14}{16} \\this \\simplifies \\to \frac{7}{8}\)
use laplace transforms to solve the initual value problem y'-4y =f(x), y(0)=0 2 0<=x and x<4
The solution to the initial value problem y'-4y=f(x), y(0)=0 for 0<=x<4 is given by:
y(x) = F(-4)e^(-4x)
The Laplace transform of the differential equation y'-4y=f(x) is given by:
sY(s) - y(0) - 4Y(s) = F(s)
where Y(s) and F(s) are the Laplace transforms of y(x) and f(x), respectively.
Substituting the initial condition y(0)=0 and rearranging, we get:
Y(s) = F(s)/(s+4)
Now we need to find the inverse Laplace transform of Y(s) to obtain the solution y(x). Using the partial fraction decomposition method, we can write:
Y(s) = A/(s+4) + B
where A and B are constants to be determined.
Multiplying both sides by (s+4), we get:
F(s) = A + B(s+4)
Setting s=-4, we get:
A = F(-4)
Setting s=0, we get:
B = Y(0) = y(0) = 0
Therefore, the partial fraction decomposition of Y(s) is given by:
Y(s) = F(-4)/(s+4)
Taking the inverse Laplace transform of Y(s), we get:
y(x) = L^-1{F(-4)/(s+4)} = F(-4)L^-1{1/(s+4)}
Using the table of Laplace transforms, we find that the inverse Laplace transform of 1/(s+4) is e^(-4x). Therefore, the solution to the initial value problem is given by:
y(x) = F(-4)e^(-4x)
where F(-4) is the value of the Laplace transform of f(x) evaluated at s=-4.
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Please help, thank you!
Answer:
Correct answer is option D
If the equation 2x2+bx+5=0 has no real solutions, which of the following must be true?
Answer:
There are no choices but in order to qudratic equation not to have real roots the discriminant must be negative.
d = b² - 2*2*5 = b² - 20If d < 0, we get:
b² - 20 < 0b² < 20b < |√20|- √20 < b < √20or
-2√5 < b < 2√5or
b = (-2√5, 2√5)PLS HELP!.... a garden has more daisies than roses, and there is at least one rose. Let r represent the number of roses and let d represent the number of daisies. Let's compare the expressions 3r and r + d. Which statement is correct? Choose 1 answer:
A 3r>r + d
B 3r
C 3r=r + d
D There is not enough information to tell.
Answer:
Step-by-step explanation:
since d > r , becasue more daises, than roses, we know that the answer must also reflect this logic.
A is 3r > r+d , can't be true, b/c with one rose, the amount of roses + daises would be 3, and then 3r = r+d so A is wrong
B is 3r ??? we don't have an equation or inequality to solve.
C 3r = r+d, this could be true if r=1 and d=2 and would also be correct for all the requirements. C seems true,
D Also, for the teacher that wrote this, " compare expressions" means there are zero equal signs , expressions are with out equal signs, equations have them, as does C :/ This teacher doesn't know what they are talking about. >:/
Based on the equation, the correct answer is D. There is not enough information to tell.
How to explain the equationThe statement "a garden has more daisies than roses, and there is at least one rose" implies that the number of daisies (d) is greater than the number of roses (r), but it does not provide any specific values for r and d.
Without knowing the specific values of r and d, we cannot determine whether 3r is greater than, equal to, or less than r + d. Therefore, the correct answer is D, indicating that there is not enough information to determine the relationship between 3r and r + d.
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If 1/n is a terminating decimal, what can be said about 2/n? what about m/n if m is a counting number less than n?
In both cases, the fractions 2/n and m/n will yield terminating decimals.
If 1/n is a terminating decimal, it means that when expressed as a decimal, the fraction 1/n has a finite number of digits after the decimal point. In other words, it does not result in a repeating decimal.
In the case of 2/n, where n is a non-zero integer, the result will also be a terminating decimal. This is because multiplying the numerator of 1/n by 2 does not introduce any additional repeating patterns or infinite decimal expansions. Therefore, 2/n will also have a finite number of digits after the decimal point.
Similarly, if m/n is a fraction where m is a counting number less than n, the resulting decimal will also be terminating. Since m is a counting number less than n, multiplying the numerator of 1/n by m does not introduce any repeating patterns or infinite decimal expansions. Hence, m/n will have a finite number of digits after the decimal point.
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are these correct? and what’s the answer for #24?
The equivalent of 0.85 hectogram (hg) is 850 decigram (dg)
How to determine the conversion?The measure is given as:
0.85 hg
As a general rule:
1 hectogram (hg) = 1000 decigram (dg)
So, multiply both sides of the above equation by 0.85
So, we have:
0.85 * 1 hectogram (hg) = 0.85 * 1000 decigram (dg)
Evaluate the product
0.85 hectogram (hg) = 850 decigram (dg)
Hence, the equivalent of 0.85 hectogram (hg) is 850 decigram (dg)
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Next questionA man uses a loan program for small businesses to obtain a loan to help expand his vending machine business. The man borrows $27,000 for 3 years with a sirinterest rate of 1.5%. Determine the amount of money the man must repay after 3 years.The man must repay
Simple interest formula (not compound interest formula) is used here, as much as i know.
the formula is:
f = p * (1 + r * n).
f is the future value
p is the present value
r is the interest rate per time period
n is the number of time periods
Given
\(\begin{gathered} P=27000 \\ r=1.5\%=\frac{1.5}{100}=0.015 \\ n=3years \end{gathered}\)Therefore, we have
\(f=27000(1+0.015\times3)=\text{ \$}28215\)Hence, the answer is
\(\begin{equation*} \text{\$}28215 \end{equation*}\)Middle School (8th Grade) Pre-Algebra Math Question.
Okay so the question is
-8x + 2y = -2
slope = __
y-intercept = __
So, you're going to want to put this in the form y=mx+b (I don't remember what it's called). So, start off by moving the -8x to the other side by adding 8x to both sides. So, we have 2y=8x-2. Then, divide both sides by 2. 8x/2=4x, and 2/2=1. So, we have y=4x+1.
Slope=4
y-intercept=1
2. Compute the probability of randomly drawing seven cards from a deck of cards and getting three Jacks and two Kings.
The probability of randomly drawing seven cards from a deck of cards and getting three Jacks and two Kings is approximately 0.00000027 or 2.7 in 10 million.
To compute the probability of randomly drawing seven cards from a deck of cards and getting three Jacks and two Kings, we can use the formula for hypergeometric probability.
The number of ways to draw three Jacks and two Kings from a deck of cards is given by:
(4 choose 3) * (4 choose 2) = 6 * 6 = 36
where (n choose k) represents the number of ways to choose k items from a set of n items.
The total number of ways to draw seven cards from a deck of cards is given by:
(52 choose 7) = 133,784,560.
So the probability of getting three Jacks and two Kings when drawing seven cards from a deck of cards is:
36 / 133,784,560 ≈ 0.00000027.
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The perimeter of an equilateral triangle is p and the length of a side is s.
The formula for s is s = p = 3
Find the length of a side when the perimeter is 21 cm. = cm
Write down a formula for p in terms of s. p =
Answer:
s=7
p=3s
Step-by-step explanation:
The perimeter is the side length times 3
So the equation would be p=3s
Plug in 21 for p
21=3s
That means s=7
help meeeeeeeeee pleasee
Answer: 2.5, 5.3
Step-by-step explanation:
\(-16t^2 +126t=217\\ \\ 16t^2 -126t+217=0\\\\t=\frac{-(-126) \pm \sqrt{(-126)^2 -4(16)(217)}}{2(16)}\\\\t \approx 2.5, 5.3\)
Jose earns $60 a day. After a few days. Jose has $240. How many days has Jose worked?
Answer:
He has worked 4 days.
Step-by-step explanation:
240 divided by 60 is 4.
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Answer the question and find the code.
The slope of the line passing through the points (3, 4) and (5, 8) is 2.
We have,
To find the slope of a line passing through two points (x₁, y₁) and (x₂, y₂), you can use the formula:
slope = (y₂ - y₁) / (x₂ - x₁)
In this case,
The points are (3, 4) and (5, 8).
Let's substitute these values into the formula:
slope = (8 - 4) / (5 - 3)
= 4 / 2
= 2
Therefore,
The slope of the line passing through the points (3, 4) and (5, 8) is 2.
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Which is the better deal $27 for 4 large pizzas or $32 dollars for 5 large pizzas
Answer:
the $27 fkr 4 pizzas because you can split thw pizzas in half and get 8 pizzas for $27
Answer:
32 for 5
Step-by-step explanation: