how to calculate seismic response coefficient

Sister uses 420.76 inches more wire per wall than Poppy.

A circle is a two-dimensional figure with a radius and circumference of 2πr.

We have,

Poppy's diameter = d

Older sister diameter.

D = d + 134

Now,

The circumference of the wall hangings.

= 2πr

= πd

Now,

The circumference of the wall hangings by the older sister.

= πD

= π (d + 134)

The circumference of the wall hangings by the Poppy.

= πd

Now,

The difference between the length of the wire.

= π (d + 134) -  πd

= πd + π x 134 - πd

= 3.14 x 134

= 420.76 inches.

Thus,

Sister uses 420.76 inches more wire.

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if  RS=x+4, ST=8 and RT=3x then value of RS is 10 units.

Two or more expressions with an Equal sign is called as Equation.

Given that RS=x+4, ST=8 and RT=3x

We have to find RS

RS=RT-ST

x+4=3x-8

Take the variable terms on one side and constants on other side

12=2x

Divide both sides by 2

x=6

So RS is 6+4=10 units

Hence, if  RS=x+4, ST=8 and RT=3x then value of RS is 10 units.

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Factory should produce 100 high-grade shoes and 200 low-grade shoes for maximum profit.

Let x be the number of high-grade shoes produced, then the number of low-grade shoes produced is at least 2x. The maximum number of shoes the factory can produce is 500, so we have the following constraints:

x + 2x ≥ 500 (production constraint)

x ≥ 100 (delivery constraint)

x ≥ 0 (non-negative constraint)

The profit for each type of shoe is given as birr 2.00 for high-grade shoes and birr 1.00 for low-grade shoes, so the total profit is:

Profit = 2x * 2.00 + 1.00 * 2x = 4.00x + 2x = 6.00x

The objective is to maximize the profit, subject to the constraints above. So, the feasible solution is x = 100, which means the factory should produce 100 high-grade shoes and 200 low-grade shoes. This is the maximum possible profit of 600 birr.

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Mateo will be able to choose a gym membership plan that best meets his needs and budget.

To help Mateo decide on the best gym membership plan, the following information would be important:

By considering these factors, Mateo will be able to choose a gym membership plan that best meets his needs and budget.

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Answer:

by using the formula hypotension(h) is ? base(b) is 8 and perpendicular(p) is15

h=rootunder( p²+b²)

h=(8)²+(15)²

h=289

The set of all vectors in r4 satisfying the equation is,

( x, R , y ) = ( 1 , R , 1/2 ) ( 2 , R , 1 ) ( 3 , R , 3/2 ) ( 4 , R , 2 ) ( 5 , R , 5/2 ) ( 6 , R , 3 ) ( 7 , R , 7/2 ) ( 8 , R , 4 )

A basis for R4 always consists of 4 vectors. (TRUE: Vectors in a basis must be linearly independent AND span.) 4. The union of two subspaces is a subspace.

If S is a subspace of R4, then the zero vector 0=[0000] in R4 must lie in S. 2x+4y+3z+7w+1=0. So 0∉S, and we conclude that S is not subspace of R4.

The space R4 is four-dimensional, and so is the space M of 2 by 2 matrices. Vectors in those spaces are determined by four numbers. The solution space Y is two-dimensional, because second order differential equations have two independent solutions.

The interval of x is known and the relation of x , y is known.

So,

x = 2y  ;   x = { 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 }

Then,

1 = 2y , 2 = 2y , 3 = 2y , 4 = 2y , 5 = 2y , 6 = 2y , 7 = 2y , 8 = 2y ,

We can write,

y = { 1/2 , 1 , 3/2 , 2 , 5/2 , 3 , 7/2 , 4 }

Therefore,

The set of all vectors in r4 satisfying the equation is,

( x, R , y ) = ( 1 , R , 1/2 ) ( 2 , R , 1 ) ( 3 , R , 3/2 ) ( 4 , R , 2 ) ( 5 , R , 5/2 ) ( 6 , R , 3 ) ( 7 , R , 7/2 ) ( 8 , R , 4 )

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Answer:

3.815g

Step-by-step explanation:

[tex]84.810 - 80.995 = 3.815[/tex]

The value of Sn for the arithmetic series is, 1,600.

An arithmetic sequence is the sequence of numbers where each consecutive numbers have same difference.

We have to given that;

For the arithmetic series,

⇒ a₁ = - 20

⇒ n = 25

⇒ an = 148

Now, We know that;

The nth partial sum of an arithmetic sequence can be calculated using the first and last terms as follows:

⇒ Sn = n(a₁ + an) / 2

Hence, Substitute all the given values, we get;

⇒ Sn = n(a₁ + an) / 2

⇒ Sn = 25(- 20 + 148) / 2

⇒ Sn = 25 × 128 / 2

⇒ Sn = 1600

Thus, The value of Sn for the arithmetic series = 1,600.

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The figure below is made of 222 rectangular prisms.

Completed question :

Part D

Wendell plans to paint the doghouse after it’s built. He wants to know what the surface area of the outside of the doghouse will be. To find the surface area, first break up any composite shapes into rectangles and triangles. Which shape is considered a composite shape? When the shape is decomposed, what are the dimensions of the resulting shapes necessary for finding surface area?

Given data :

The volume of a rectangular prism is given as follows.

Volume of a rectangular prism = length x breadth x height

Therefore, the volume of 222 rectangular

prism

= 2 x 2 x 2

= 8 cubic units

Volume of 222 rectangular prisms = 222

×Volume of a rectangular prism

=222× 8

= 1776 cubic units

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Answer:

The surface area is 5,052 inches

Answer:

x = ± 8

Step-by-step explanation:

x² = 64 ( take square root of both sides )

x = ± [tex]\sqrt{64}[/tex] = ± 8

solutions are x = 8 and x = - 8 ,  since

8 × 8 = 64 and - 8 × - 8 = 64

The no of gallon of a 14%-salt solution must be mixed with 6 gallon of a 25%-salt solution to obtain a 20%-salt solution is 5 gallon

What is Gallon?

The gallon is a volume unit used in imperial and customary units in the United States. There are now three versions in use: the imperial gallon, which is equal to 4.54609 litres

Given

14%-alt solution must be mixed with 6 gallon of a 25%-salt solution to obtain a 20%-salt solution

.14x +.25*6 = .20(x+6)

.14x + 1.5 = .20x + 1.2

.14x - .20x = 1.2 - 1.5

-0.06x = -0.3

x = 5 gallon

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The no of gallon of a 14%-salt solution must be mixed with 6 gallon of a 25%-salt solution to obtain a 20%-salt solution is 5 gallon

What is Gallon?

A gallon is a volume unit used in imperial and customary units in the United States. There are now three versions in use: the imperial gallon, which is equal to 4.54609 litres

Given

14%-alt solution must be mixed with 6 gallon of a 25%-salt solution to obtain a 20%-salt solution

.14x +.25*6 = .20(x+6)

.14x + 1.5 = .20x + 1.2

.14x - .20x = 1.2 - 1.5

-0.06x = -0.3

x = 5 gallon

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The linear demand equation: x = m(p) + b, where x is the number of occupied units, p is the monthly rent, and m and b are constants and the linear demand equation in this case is:

x = -1.04p + 44.16

To find the linear equation, we need to determine the slope (m) and the y-intercept (b). Using the two points provided, we can write a system of equations:

When p = $780, x = 40 units

40 = m($780) + b

When p = $852, x = 36 units

36 = m($852) + b

Solving for m and b, we get:

m = -1.04 and b = 44.16

So, the linear demand equation is:

x = -1.04p + 44.16

This equation represents the inverse relationship between the monthly rent and the demand, where a higher rent results in a lower demand and vice versa.

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The pricing for each pizza is given as follows:

The pricing for each pizza is obtained applying the proportions in the context of this problem.

A pizza shop sells a medium pizza with a diameter of 12 inches for 15 dollars, hence the price per inch of the diameter is given as follows:

15/12 = $1.25.

The small pizza has a diameter of 4 inches, hence the price is given as follows:

4 x 1.25 = $5.

The large pizza has a diameter of 16 inches, hence the price is given as follows:

16 x 1.25 = $20.

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The smallest superfortunate number is 993

What is super fortunate number?

A Fortunate number, named after Reo Fortune, is the lowest integer m > 1 for which pn# + m is a prime number for a given positive integer n, where the primorial pn# is the product of the first n prime numbers.

What is Prime Number?

A prime number is a natural number larger than one that cannot be calculated as the product of two lesser natural numbers. A composite number is a natural number greater than one that is not prime. 5 is prime, for example, because the only methods to write it as a product, 1 5 or 5 1, involve 5 itself.

993 is the smallest superfortunate number.

You can obtain this by letting the digits of n

be ...a99...9b

where a<9 and there are, say, k 9s. Then look at the results of adding 1,2,3 ... ,12.

The smallest number is 993.

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The smallest superfortunate number is 993

What is super fortunate number?

A Fortunate number, named after Reo Fortune, is the lowest integer m > 1 for which pn# + m is a prime number for a given positive integer n, where the primorial pn# is the product of the first n prime numbers.

What is Prime Number?

A prime number is a natural number larger than one that cannot be calculated as the product of two lesser natural numbers. A composite number is a natural number greater than one that is not prime. 5 is prime, for example, because the only methods to write it as a product, 1 5 or 5 1, involve 5 itself.

993 is the smallest superfortunate number.

You can obtain this by letting the digits of n

be ...a99...9b

where a<9 and there are, say, k 9s. Then look at the results of adding 1,2,3 ... ,12.

The smallest number is 993.

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The standard form from (-7x - 5) - (-9[tex]x^{2}[/tex] + 8x + 7) is B) 9[tex]x^{2}[/tex] - 15x - 12.

This is a quadratic equation. To simplify the equation, we need to arrange the equation to be standard form or quadratic equation which is

a[tex]x^{2}[/tex] + bx + c

(-7x - 5) - (-9[tex]x^{2}[/tex] + 8x + 7) = -7x -5 + 9[tex]x^{2}[/tex] - 8x -7

Group of a[tex]x^{2}[/tex] --> It will be 9[tex]x^{2}[/tex]

Group of bx ---> It will be -7x-8x = -15x

Group of c ---> It will be -5-7 = -12

We just combine the group into standard equation

(-7x - 5) - (-9[tex]x^{2}[/tex] + 8x + 7) = -7x -5 + 9[tex]x^{2}[/tex] - 8x -7

                                      = 9[tex]x^{2}[/tex] -15x - 12

So the simplification of equation (-7x - 5) - (-9[tex]x^{2}[/tex] + 8x + 7) is 9[tex]x^{2}[/tex] - 15x - 12, or from the answer, it's B)

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Answer:

B goes to 1

D goes to 2

C goes to 3

A goes to 4

Step-by-step explanation:

Supplementary angles is when two angles equal 180.

For #1, we have 49

Doing 180-49 gives us the first answer of 131

We do the same thing for the other 3

180-114 = 66

180-71 = 109

180-87 = 93

Correct Answer : C. Such data are not counts or measures of? anything, so it makes no sense to compute their average? (mean).

The average, also known as the mean, is a measure of central tendency in statistics. It is calculated by adding up a set of values and then dividing the sum by the total number of values in the set. The resulting number represents an estimate of the "typical" or "average" value in the set.

Clearly, the way in which data is collected, makes the collected data for variable "Favourite Food" strictly a categorical variable. It doesn't have any quantitative nature associated with it. So, it makes no sense to compute the mean.

Hence, option C is correct.

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B. The data given are categorical, not numerical or quantitative, which means the average (mean) cannot be found in the usual way. As such, it cannot be computed correctly with the given information.

The given calculation is wrong because the data given are categorical, not numerical or quantitative. This means that the average (mean) cannot be found in the usual way. To find the average (mean) in this case, the total number of respondents (698) must be divided by the number of categories (4) to get the average (mean) for each category. Then, each category can be assigned a numerical value (1 for Italian food, 2 for Mexican food, 3 for Chinese food, 4 for anything else). The numerical values for each category can then be multiplied by the number of respondents who chose that category and added together. Finally, the sum can be divided by the total number of respondents (698) to get the average (mean).

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The sum of the n distinct nth roots of unity is equal to 0, i.e. ω0 + ω1 + ... + ωn-1 = 0.

To prove this:

Consider a complex number z = cos(2π/n) + i sin(2π/n). It is a primitive nth root of unity, i.e.[tex]z^n[/tex] = 1.

Let w = [tex]z^k[/tex] for k = 1, 2, ..., n-1, then w is also a primitive nth root of unity.

So the sum of all the nth roots of unity can be expressed as:

[tex]1 + w + w^2 + ... + w^{(n-1)} = \frac{(1 + w + w^2 + ... + w^{(n-1)}}{z^{(n-1)}} = \frac{(z^n - 1)}{(z - 1) }= 0[/tex]

Hence, the sum of the n distinct nth roots of unity is equal to 0.

A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. It is the combination of a real number and an imaginary number. Complex numbers are used in many areas of mathematics, including algebra, calculus, and number theory.

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1 micrometer equals 1e-6 meters. Dividing by 1000000 will convert your number from micrometers to meters.

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x=6 m<ABD=20 *I think*

Step-by-step explanation:

Find x

plug in your answer

Answer: Jacob

Step-by-step explanation:

Jacob = 39 sit-ups/30 seconds

Jordan = 59 sit-ups/50 seconds

2.5 minutes = 150 seconds

[tex]Jacob=\frac{39}{30} =\frac{195}{150}[/tex]

[tex]Jordan=\frac{59}{50}=\frac{177}{150}[/tex]

[tex]\frac{195}{150} > \frac{177}{150}[/tex]

To compare the number of sit-ups Jacob and Jordan can do in 2 1/2 minutes, we need to convert their current rates to the same unit of time. Since 2 1/2 minutes is the same as 150 seconds, we can use unit rates to find the number of sit-ups they can do per second.

Jacob's rate is 39 sit-ups in 30 seconds, so his unit rate is:

39/30 sit-ups per second

Simplifying the fraction, we get:

13/10 sit-ups per second

Jordan's rate is 59 sit-ups in 50 seconds, so his unit rate is:

59/50 sit-ups per second

Multiplying the numerator and denominator by 3, we get:

177/150 sit-ups per second

Now we can use these unit rates to estimate the number of sit-ups Jacob and Jordan can do in 2 1/2 minutes:

Jacob's estimated number of sit-ups = unit rate × time

= (13/10 sit-ups per second) × (150 seconds)

= 195 sit-ups

Jordan's estimated number of sit-ups = unit rate × time

= (177/150 sit-ups per second) × (150 seconds)

= 177 sit-ups

Based on these estimates, Jacob is likely to do more sit-ups in 2 1/2 minutes than Jordan, since he can do approximately 18 more sit-ups (195 - 177).

Therefore, Jacob is likely to do more sit-ups in 2 1/2 minutes than Jordan.

Answer:

False - The standard deviation is always positive.

The human heartbeats 2,721,600,000 times in 70 years

Let's say that the human heart beats 1 time in 0.8 sec.

Noe, we need to know the number of seconds in 70 years

Number of months in 70 years = 70 x 12 = 840 months

Number of days in 70 years = 840 x 30 = 25,200 days

Number of hours in 70 years = 25,200 x 24 = 604,800 hours

Number of seconds in 70 years = 604,800 x 3600

                                                     = 2,177,280,000 seconds

Number of times a heartbeat in 0.8 sec = 1 time

Number of times a heartbeat in 2,177,280,000 seconds = (1/0.8) x 2,177,280,000

                                                  = 2,721,600,000 times

                                                  ≈ 2.7 billion times

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The number of months that the tree has been growing is; 8.375 months

The general form for the equation of a line in slope intercept form is;

y = mx + c

where;

m is slope

c is y-intercept

Now, we are told that the tree grows 8 centimeters each month. This means the slope is 8 cm.

Now, since she trimmed 6 cm in the first month, it means that the y-intercept will be -6. Thus;

Equation is;

y = 8x - 6

Since the current height is 61 centimeters, then;

61 = 8x - 6

8x = 61 + 6

8x = 67

x = 67/8

x = 8.375 months

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The angle of reflection for the ray leaving mirror 2 will be 41 degrees, as this is equal to the angle of incidence for the ray striking mirror 2.

The angle of incidence is the angle between the incoming ray and the surface of the mirror, and the angle of reflection is the angle between the reflected ray and the surface of the mirror.

In the given scenario, a ray of light strikes mirror 1 with an angle of incidence of 41 degrees.

The angle of reflection can be calculated using the law of reflection, which states that the angle of incidence is equal to the angle of reflection.

Therefore, the angle of reflection of the ray when it leaves mirror 1 will be 41 degrees.

However, the ray of light continues its journey and strikes mirror 2.

When this happens, the angle of incidence is the angle between the reflected ray from mirror 1 and the surface of mirror 2.

The angle of reflection for the ray leaving mirror 2 can be calculated using the same law of reflection.

The angle of reflection will be equal to the angle of incidence, which is 41 degrees.

The angle of reflection is a crucial concept in understanding the reflection of light and is used in various applications such as mirrors, prisms, and lenses.

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Answer: In statistics, the term linear model is used in different ways according to the context.

Step-by-step explanation: The most common occurrence is in connection with regression models and the term is often taken as synonymous with linear regression model. However, the term is also used in time series analysis with a different meaning.

The cost of the materials for the cheapest rectangular storage container with an open top to have a volume of 24 cubic meters is $288.

Let the width of the base be x, then the length of the base is 2x. The height of the container is

[tex]24/(x2x) = 24/2x^2[/tex].

The total area of the base is[tex]x2x = 2x^2[/tex] and the total area of the sides is

[tex]2(x*24/2x^2) = 24x/x^2[/tex]= 24/x.

The cost of the base is

[tex]2x^2[/tex] * $12 = $24[tex]x^2[/tex] and the cost of the sides is

24/x * $6 = $144/x.

The total cost is $24[tex]x^2[/tex] + $144/x.

To find the cheapest container, we want to minimize the cost, which is equivalent to finding the minimum value of $24[tex]x^2[/tex] + $144/x.

We can use calculus to find the minimum, or we can use trial and error to find a reasonable value for x that minimizes the cost.

For x = 2, the cost is

$24 * [tex]2^2[/tex] + $144/2 = $96 + $72 = $168

which is less than $288.

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This statement suggests that people's honesty and integrity are influenced by situational factors such as the level of need they have for something, and the opportunity that presents itself.

People may be more likely to act with less honesty or integrity when they feel a strong need for something, and when they see an opportunity to fulfill that need. However, it's important to note that this statement is a generalization and not true for everyone, as honesty and integrity are personal traits that can vary greatly between individuals.

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Answer: $2171.79

Step-by-step explanation: