On solving the provided question, we can say that Length of the wooden strip required to frame the photograph= Perimeter of the photograph = 106 cm
What is rectangle?A rectangle in Euclidean plane geometry is a quadrilateral with four right angles. You might also describe it as follows: a quadrilateral that is equiangular, which indicates that all of its angles are equal. The parallelogram might also have a straight angle. Squares are rectangles with four equally sized sides. A quadrilateral of the shape of a rectangle has four 90-degree vertices and equal parallel sides. As a result, it is sometimes referred to as an equirectangular rectangle. Because its opposite sides are equal and parallel, a rectangle is also known as a parallelogram.
The length of the photograph = 32cm
The breadth of the photograph = 2 lcm
Length of the wooden strip required to frame the photograph= Perimeter of
the photograph
= 2 x (length + breadth)
= 2 x (32 +21)cm
= 2 53cm
= 106cm
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a cylinder gas a volume of 600 in cubed. what is the volume of a cone that has the same diameter and height
If a cylinder has a volume of 600 cubic inches, and we want to find the volume of a cone with the same diameter and height as the cylinder, we can use the formula for the volume of a cone.
The formula for the volume of a cone is given as:
\(V = (1/3) * \pi * r^2 * h,\)
where V is the volume, π is a mathematical constant approximately equal to 3.14159, r is the radius of the base of the cone, and h is the height of the cone.
In this case, since the cylinder and cone have the same diameter, the radius of the cone's base will be half of the radius of the cylinder's base. Let's assume the radius of the cylinder's base is r_cylinder.
So, the radius of the cone's base will be r_cone = r_cylinder / 2.
The height of the cone will be the same as the height of the cylinder, denoted as h_cylinder.
Now, let's substitute these values into the volume formula for the cone:
V_cone = (1/3) * π * (r_cone)^2 * h_cylinder
= (1/3) * π * (r_cylinder/2)^2 * h_cylinder
= (1/3) * π * (r_cylinder^2 / 4) * h_cylinder
= (π/12) * r_cylinder^2 * h_cylinder.
Since we know the volume of the cylinder is 600 cubic inches, which is equal to the volume of the cone, we have:
600 = (π/12) * r_cylinder^2 * h_cylinder.
From this equation, we can't directly calculate the specific values of r_cylinder and h_cylinder. We would need additional information or constraints to solve for them.
However, using the given information, we can conclude that the volume of the cone with the same diameter and height as the cylinder will also be 600 cubic inches, assuming the cylinder and cone share the same dimensions.
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In the diagram shown, m_3 = 3x - 16 and m_4 = x + 84. Find the value of x. o 25 50 34 28
Answer:
50
Step-by-step explanation:
m3 and m4 are going to be equaivalent due to some law I don't remember the name of.
So, 3x-16 = x+84
(do some rearranging)
2x=100
x=50
anna charges $45 for the bracelets she sells at her boutique. it cost her $16 to make the bracelets. which is closest to the percent markup cost
The closest percent markup cost to the bracelets Anna sells is 181%.
To determine the percent markup cost for the bracelets Anna sells, we need to calculate the difference between the selling price and the cost price, and then express it as a percentage of the cost price.
The selling price of the bracelets is $45, and the cost price is $16.
Markup = Selling Price - Cost Price
= $45 - $16
= $29
Now, to calculate the percent markup cost, we divide the markup by the cost price and multiply by 100:
Percent Markup Cost = (Markup / Cost Price) \(\times\) 100
= ($29 / $16) \(\times\) 100
= 181.25
Rounded to the nearest whole number, the percent markup cost is approximately 181%.
Therefore, the closest percent markup cost to the bracelets Anna sells is 181%.
This means that Anna is charging customers approximately 181% more than what it cost her to make the bracelets.
The markup cost represents the additional amount she adds to cover expenses, overhead, and to make a profit.
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(a) Find the next term and the nth term of this sequence.
6
3
5
5
9
.
11
7
13'
Please help me.!
4. There are major chords built on what three notes (with all white notes and no accidentals)? O CFG O ABC GEB OCDE
The three major chords built on white notes without accidentals are:
1. C major chord (C, E, G)
2. F major chord (F, A, C)
3. G major chord (G, B, D)
These chords are formed by taking the root note, skipping one white note, and adding the next white note on top. For example, in the C major chord, the notes C, E, and G are played together to create a harmonious sound.
Similarly, the F major chord is formed by playing F, A, and C, and the G major chord is formed by playing G, B, and D. These three major chords are commonly used in various musical compositions and are fundamental building blocks in music theory.
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F(x) = x + 4: find f(4) and f(x) = 10
Answer:
f(4) = 8
f(6) = 10
Step-by-step explanation:
Step 1: Define
f(x) = x + 4
f(4) is x = 4
f(x) = 10
Step 2: Find f(4)
f(4) = 4 + 4
f(4) = 8
Step 3: Find f(x) = 10
10 = x + 4
x = 6
Rectangle X is enlarged to give rectangle Y. Both shape are shown below but some rectangle Y is missing
What is the title width of rectangle Y
The width of rectangle Y is 8 units.
How to find the width of rectangle Y?The width of rectangle Y is obtained applying the proportions in the context of the problem.
The dimensions of rectangle X are given as follows:
Height of 3 units.
Width of 2 units.
The dimensions of rectangle Y are given as follows:
Height of 12 units.
Width of x units.
The height was enlarged by a scale factor of 4, hence the width is given as follows:
2 * 4 = 8 units.
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Complete Question
Check attached image
The equation of direct proportion y = k x is given by the table. Find the coefficient k , copy the table and fill it in:
The value of k is -4 from x = 3 and the -12 below 3. The other values are given below:-
1. (-4)(-5)
2. (-4)(-1/2)
3. (-4)(0)
What is an equation?
Equation in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
Given that the equation of direct proportion y = k x is given by the table. First, calculate the value of k.
y = k x
-12 = k x 3
k = -4
y = k x
y = ( -4 x -5 ) =20
y = kx
y = (-4)(-1/2) = 2
y = kx
y = (-4)(0) = 0
Therefore, the values are 20, 2, and 0 for the equation.
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the expected cell frequency is based on the researcher's opinion. group of answer choices true false
False, the expected cell frequency is based on the researcher's opinion.
The expected cell frequency is not based on the researcher's opinion. It is calculated based on the sample data and the null hypothesis. The null hypothesis assumes that there is no relationship between the variables being studied. The expected cell frequency is the number of observations that would be expected in a particular cell under the null hypothesis. It is calculated using the row and column totals and the sample size. The expected cell frequency is used to calculate the chi-square statistic in a chi-square test of independence. Therefore, the expected cell frequency is not based on the researcher's opinion, but rather on statistical calculations using the sample data and the null hypothesis.
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Emma drew 2 hearts and 37 circles. What is the ratio of circles to all shapes?
Answer:
37:39
Step-by-step explanation:
You write the amount of circles then add 37 to 2 and make a ratio table.
Answer: 37:39
Step-by-step explanation: there are 37 circles and there are 39 shapes in all (37 circles plus the two hearts)
Determine the unique solution of the following differential equation by using
Laplace transforms: y ′′+4y=3H(t−4) The initial values of the equation are ( y(0)=1) and y′(0)=0
Since 3 is not equal to 0, there is no value for B(0) that satisfies the equation. Therefore, the partial fraction decomposition cannot be applied in this case.
The differential equation y'' + 4y = 3H(t-4) represents a forced harmonic oscillator. The general solution to the homogeneous equation y'' + 4y = 0
To find the unique solution of the given differential equation y'' + 4y = 3H(t-4) using Laplace transforms, we'll apply the Laplace transform to both sides of the equation. We'll also use the initial values y(0) = 1 and y'(0) = 0.
Let's denote the Laplace transform of y(t) as Y(s) and the Laplace transform of y'(t) as Y'(s).
Taking the Laplace transform of both sides of the equation, we have:
s^2Y(s) - sy(0) - y'(0) + 4Y(s) = 3e^(-4s)/s
Substituting the initial values y(0) = 1 and
y'(0) = 0, we get:
s^2Y(s) - s(1) - 0 + 4Y(s) = 3e^(-4s)/s
Simplifying, we have:
s^2Y(s) - s + 4Y(s) = 3e^(-4s)/s
Now, let's solve for Y(s):
(s^2 + 4)Y(s) = s + 3e^(-4s)/s
Dividing both sides by (s^2 + 4), we get:
Y(s) = (s + 3e^(-4s)/s) / (s^2 + 4)
Now, we need to find the inverse Laplace transform of Y(s) to obtain the solution y(t). To do this, we'll use partial fraction decomposition.
Let's decompose Y(s) into partial fractions:
Y(s) = A(s) + B(s)
(s + 3e^(-4s)/s) / (s^2 + 4) = A(s) + B(s)
Multiplying both sides by (s^2 + 4), we get:
s + 3e^(-4s)/s = A(s)(s^2 + 4) + B(s)
Now, we can find the values of A(s) and B(s) by comparing the coefficients of like terms on both sides.
From the equation, we have:
s = A(s)(s^2 + 4) + B(s)
Setting s = 0, we find:
0 = A(0)(0^2 + 4) + B(0)
0 = 4A(0)
Since A(0) = 0, we can disregard the first term A(s)(s^2 + 4) in the equation.
Now, we have:
s + 3e^(-4s)/s = B(s)
To find B(s), we can multiply both sides by s and take the limit as s approaches 0:
s^2 + 3e^(-4s) = B(s)s
Taking the limit as s approaches 0:
0 + 3e^(0) = B(0)(0)
3 = 0
Since 3 is not equal to 0, there is no value for B(0) that satisfies the equation.
Therefore, the partial fraction decomposition cannot be applied in this case.
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1. Differentiate the function f(x) = ln (81 sin^2 (x)) f’(x) 2. Differentiate the function P(t) = in ( √t2 + 9) p' (t) 3. if x2 + y2 + z2 = 9, dx/dt = B, and dy/dt = 4, find dz/dt when (x,y,z) = (2,2,1)
dz/dt =
First you will get 4dz
If a polynomial function f(x) has roots –9 and 7 – i, what must be a factor of f(x)? (x – (7 i)) (x – (–7 – i)) (x (7 i)) (x (7 – i))
if the roots of the polynomial function are -9 and 7 - i, then the other factor of the polynomial function is x - (7 + i)
How to determine the other factor?The roots of the polynomial function are given as:
-9 and 7 - i
The root is 7 - i is a complex number.
This means that its conjugate must also be a root of the factor.
The conjugate of 7 - i is 7 + i
So, we have:
x = 7 + i
Equate to 0
x - (7 + i) = 0
Hence, the other factor of the function is x - (7 + i)
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Answer:
A on edge 23
Step-by-step explanation:
trust me bro
Find the lateral area of the cone in terms of pi.
To find the lateral area of a cone, use this formula:
\(\pi r\sqrt{h^2+r^2}\)
where r is the radius (in this case, 11) and h is the height (in this case, 26)
Try plugging the values in. If you need additional help, feel free to ask!
A testable statement about the relationship between variables is called a(n):
(a) independent variable (c) survey
(b) hypothesis (d) dependent variable
A hypothesis is an educated guess or tentative explanation for a phenomenon that can be tested through scientific investigation. It is a prediction or statement that proposes a relationship between two or more variables and can be tested through empirical evidence.
A hypothesis is an essential component of the scientific method as it provides a framework for designing experiments, collecting data, and analyzing results. The aim of testing a hypothesis is to either accept or reject it based on the available evidence. In this way, hypotheses help advance scientific knowledge and understanding.
A testable statement about the relationship between variables is called a
hypothesis .
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Consider the system of equation 2x+4y=1, 2x+4y=1 what is true about the system of equations?
The given system of equation 2x + 4y = 1, 2x + 4y = 1 is an example of a dependent system of equations.
A dependent system of equations is a system of equations where there are an infinite number of solutions, and the equations share the same solution set.
We have to find the relationship between the given equations to determine whether the system is dependent or independent.In this case, both equations are identical.
2x + 4y = 1 is the same as 2x + 4y = 1.
The equations have the same coefficients and the same constant term, which implies that they are parallel lines and coincide with each other.
Thus, the given system of equation 2x + 4y = 1, 2x + 4y = 1
is an example of a dependent system of equations as they share the same solution set.
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Prove that the two ratios below are equivalent. 9 cents for every 4 people and 18 cents for every 8 people.
Answer:
R
Step-by-step explanation:
Let's rewrite this to the ratio of the amount of cents to the amount of people.
9 cents every 4 people -> 9:4
18 cents for every 8 people -> 18:8
Using the direct proportion : If one quantity increase/decrease an amount, the other one increase/decrease the same amount respectively.
So, we can rewrite 9:4 as 9x2/4x2 (both increase by 2 times) = 18:8
And since 18:8=18:8, these 2 ratios are equivalent.
Hi! Let me help you! :)
A ratio looks like so:a:b (the ratio of a to b)In this case, we have the following ratios:9:4 (also written as \(\displaystyle\frac{9}{4}\)18:8 (also written as \(\displaystyle\frac{18}{8}\)Now, equivalent means equal, so we need to prove that these ration are equal to each other.9:4 and 18:8To prove that the given ratios are equal, let's simplify the second ratio and write it in its simplest form.To simplify it, divide the numerator and the denominator by 2:9:49:4 and 9:4 are equal.Thus, 9:4 IS equal to 18:8Thus, the two ratios are equivalent.Hope it helps!
~Stargazing~
Plzzz giving brainilest no cap
Answer:
-0.6 yards
Step-by-step explanation:
If Bob produces 36 or fewer items in a week, he is paid X dollars per item. If Bob produces more than 36 items in a week, he is paid X dollars per item for the first 36 items and 3/2 times that amount for each additional item. How many items did Bob produce last week?
Last week Bob was paid total of $480 for the items that he produced that week and this week Bob produced 2 items more than last week and was paid a total of $510 for the items that he produced this week.
Let's start with the simplest case:
he produced 36 or less items this week.
In this case he produced less than 36 items last week too.
So he was paid the same amount of dollar per item. Using assumptions (1) and (2), we have:
$480 + 2X = $510
⇒2X=510-480$
⇒2X=$30
⇒2X=$30/2
⇒X=$15
He was paid $15 per item.
Last week he received his $480.
480/15= 32 items.
This week he received his $510.
510/15=34 items. Other cases have no solution.
seems your question is incomplete., but most probably the complete question was
If Bob produces 36 or fewer items in a week, he is paid X dollars per item. If Bob produces more than 36 items in a week, he is paid X dollars per item for the first 36 items and 3/2 times that amount for each additional item. How many items did Bob produce last week?(1) Last week Bob was paid total of $480 for the items that he produced that week.(2) This week Bob produced 2 items more than last week and was paid a total of $510 for the items that he produced this week.
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There are 14 dogs at the dog park on a busy Saturday. 2 of them are springer spaniels.
What is the probability that a randomly selected dog is a springer spaniel?
Write your answer as a fraction or whole number.
Answer:1/7
Step-by-step explanation: You take the amount that are springer spaniels and you put them with the whole of the dogs in the park 14 so you would have 2/14. You can reduce this fraction to 1/7 by dividing both the top and bottom of the fraction by 2.
an atom moving at its root-mean-square speed at 20 oc has a wavelength of 3.28 x 10-11 m. identify the atom.
The wavelength of an atom is 3.28× 10−11 m when it is travelling at its root-mean-square speed at 20 °C. Decide on the atom. Consequently, M = 2 and the gas's molar mass is 2 kgmol−1 .
what is wavelength ?Radio waves, light waves, and infrared (heat) waves are examples of electromagnetic radiation that flow through space in distinct patterns. Every wave is a specific size and shape.
calculation
urms= \(\sqrt{\frac{3RT}{M} }\)
and
λ=h/murms
⟹urms=h/mλ⟹
\(\sqrt{\frac{3RT}{M} }\)=h/mλ
72.2 = 148.17 / M
M = 148.17/72 ≈ 2
Consequently, M = 2 and the gas's molar mass is 2 kgmol−1. A gas with a molecular mass of 2 kgmol-1, however, does not exist.
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y is inversely proportional to the square of x.
y = 8 when x = 3.5
8
Find the negative value of x when y= 8/9
Step-by-step explanation:
x²y = k, where k is a real constant.
When x = 3.5, y = 8.
=> (3.5)²(8) = k, k = 98.
When y = 8/9,
we have x²(8/9) = (98).
=> x² = 110.25
=> x = 10.5 or x = -10.5.
Since we want the negative value,
the answer is x = -10.5.
The required negative value of variable x when y = 8/9 is -10.5. To understand the calculations, check below.
Proportion:Important information:
y is inversely proportional to the square of x.y=8 when x=3.5.Using the given inverse proportional statement, we get
\(y\propto \dfrac{1}{x^2}\)
\(y=\dfrac{k}{x^2}\) ...(i)
Substitute \(x=3.5,y=8\).
\(8=\dfrac{k}{3.5^2}\)
\(8=\dfrac{k}{12.25}\)
\(8\times 12.25=k\)
\(98=k\)
Substitute \(k=98\) in (i).
\(y=\dfrac{98}{x^2}\)
Substitute \(y=\dfrac{8}{9}\).
\(\dfrac{8}{9}=\dfrac{98}{x^2}\)
\(x^2=98\times \dfrac{9}{8}\)
\(x^2=110.25\)
\(x=\pm \sqrt{110.25}\)
\(x=\pm 10.5\)
We need only negative value.
\(x=-10.5\)
Therefore, the required value of variable x is -10.5.
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The mean life of a television set is 121 months with a variance of 256. If a sample of 95 televisions is randomly selected, what is the probability that the sample mean would be less than 118.8 months?
We can calculate the probability that the sample mean would be less than 118.8 months by standardizing the sample mean using the z-score and consulting the standard normal distribution.
To calculate the z-score, we need to calculate the standard deviation of the sampling distribution of the sample mean, also known as the standard error. The standard error is the square root of the variance divided by the square root of the sample size. In this case, the variance is 256, and the sample size is 95, so the standard error is √(256/95) ≈ 2.693.
Next, we calculate the z-score using the formula z = (x - μ) / σ, where x is the desired value (118.8 months), μ is the population mean (121 months), and σ is the standard error (2.693). Plugging in the values, we get z = (118.8 - 121) / 2.693 ≈ -1.013.
Finally, we find the probability that the sample mean is less than 118.8 months by looking up the z-score in the standard normal distribution table or using statistical software. From the table or software, we find that the probability corresponding to a z-score of -1.013 is approximately 0.1562.
Therefore, the probability that the sample mean would be less than 118.8 months is approximately 0.1562 or 15.62%.
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What is the exact value of sin(-5 π/3)
Answer:
√3/2 is the correct answer. I hope this helps ^^
Step-by-step explanation:
Help!!!!!!!!
I will mark you brainliest for the correct answer
Please help!!!!!!
This is a big test!!!!
Answer:
30 degrees
Step-by-step explanation:
its obtuse which is 90 degrees angle
Answer:
50
Step-by-step explanation:
all triangles angles add up to 180, add up the other 2 sides, then subtract from 180, 130, which means because of how triangles work, the other side must make it equal to 90, so 130+50=180.
please smart people help me
bill wants to start a restaurant that fuses mexican and thai cuisines. he does not really know if this concept will be viable so he develops a limited menu and has friends and family fill out a questionnaire to gather information. bill is using .
If Bill does not really know if the concept will be viable, so he develops a limited menu and has friends and family fill out a questionnaire to gather information. Bill is using creation in action.
What is questionnaire?
A questionnaire is a type of research tool used to collect data from respondents for a survey or statistical analysis. It consists of a set of questions (or other forms of prompts). Typically, a research questionnaire will have both closed-ended and open-ended questions. Long-term, open-ended inquiries provide the respondent the chance to go into more detail. The Statistical Society of London created the research questionnaire in 1838. Although statistical analysis of the replies is frequently the goal of questionnaire design, this is not always the case.
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Combine the like terms to create an equivalent expression.
-y+6y
Answer:
Step-by-step explanation:
6y - y = y(6 - 1) = y * 5
The answer is 5y.
Paco's daughter will be participating in an upcoming dance recital. She will require a
different costume for each dance she plans to performs.
C = the number of costumes Paco's daughter will require
d = the number of dances Paco's daughter plans to perform
Which of the variables is independent?
Answer: The answer would be D, The number of dances paco's daughter plans to perform.
Step-by-step explanation:
find an upper bound on the error that can result if cos(x) is approximated by 1−(x2/2!) (x4/4!) over the interval [−0.7,0.7].
An upper bound on the error that can result from approximating cos(x) by 1−(x^2/2!) + (x^4/4!) over the interval [-0.7, 0.7] is 0.00567.
The Taylor series expansion for cos(x) is given by cos(x) = 1 - (x^2/2!) + (x^4/4!) - (x^6/6!) + ... . The approximation 1−(x^2/2!) + (x^4/4!) is a truncated version of this series. The error between the actual value of cos(x) and the approximation can be estimated using the Lagrange form of the remainder term, which gives an upper bound on the error.
In this case, the Lagrange remainder term is given by Rn(x) = (f^(n+1)(c)/n+1!) * (x-x0)^(n+1), where f^(n+1)(c) is the (n+1)th derivative of cos(x) evaluated at some point c in the interval [-0.7, 0.7].
The maximum value of Rn(x) over the interval [-0.7, 0.7] occurs when x = ±0.7, and the upper bound on the error is found by evaluating Rn(±0.7).
The resulting upper bound is approximately 0.00567.
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