A 5 kilograms bag of beans cost $18.50. At the same rate, what amount of money would 9 kilograms bag of beans cost?

Answer:

3

Step-by-step explanation:

If 15 baseballs weigh 75 ounces, then 1 baseball weighs 75/15 = 5 ounces.

So, 15 ounces is equal to 15/5 = 3 baseballs.

2. The angle measures of the triangle are given as follows: 30º, 60 and 90º.

3. The value of x is given as follows:

[tex]x = 5\sqrt{2}[/tex]

The three trigonometric ratios are defined as follows:

For item 2, we have an angle of 90º, along with two different side lengths, hence the angles cannot be equal.

For item 3, we have that:

[tex]\sin{45^\circ} = \frac{x}{10}[/tex]

Hence:

[tex]\frac{\sqrt{2}}{2} = \frac{x}{10}[/tex]

[tex]2x = 10\sqrt{2}[/tex]

[tex]x = 5\sqrt{2}[/tex]

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Initial value is 1, The base, or rate of change, is 1/3 and the domain is All real Numbers.

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

Consider the function:

[tex]y=a(1\pm r)^{m}[/tex]

where m is the number of times this growth/decay occurs,

a = initial amount, and r = fraction by which this growth/decay occurs.

If there is a plus sign, then there is exponential growth happening by r fraction or 100r %

From the graph of the exponential decay function.

The initial value is 1.

The base, or rate of change, is 1/3.

The domain is All real Numbers.

Hence,  initial value is 1, The base, or rate of change, is 1/3 and the domain is All real Numbers.

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The given question is incomplete, the complete question is Analyze the graph of the exponential decay function.

The initial value is:

The base, or rate of change is:

The domain is:

In rare instances, the numerical value of the standard deviation might be 0. The standard deviation, defined as the square root of the variance, is a measure of the dispersion of a collection of data. A collection of data's variance is the average of the squared departures from the mean.

The standard deviation represents the average level of variation in your dataset. It informs you how far each number deviates from the mean on average. A high standard deviation implies that values are spread out from the mean, whereas a low standard deviation shows that values are close to the mean. The standard deviation quantifies the data's dispersion around the mean value. It is useful for comparing data sets that have the same mean but a different range. The mean of the following two numbers, for example, is the same: 15, 15, 15, 14, 16 and 2, 7, 14, 22, 30. The second, on the other hand, is plainly more dispersed.

Here,

When all of the data points in a collection are equal, the deviations from the mean are all 0, and so the variance is likewise zero. When the variance is zero, the square root of the variance (the standard deviation) is likewise zero. As a result, the standard deviation can only be 0 if all of the data points in the collection are equal.

In other words, the standard deviation is 0 when there is no fluctuation or dispersion in the data.

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Answer: 15

Step-by-step explanation:

1. The youngest is Jade she is 12 years old.

2. The expression representing the age of Jane is:- Jane = 2 x Jade

3. The oldest age is Jane she is 24 years old.

4. The age of Jade is 12 years.

5. The expression for the sum of the ages will be:-

Jane + Jade + Jem = 55

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that Mr and Mrs Torres have three pretty daughters, Jane, Jade and Jem. Jane is twice old as Jade, and Jem is 5 years younger than Jane. If n represents the age of Jade and the sum of their ages is 55.

From the given data following equations can be made:-

Jane = 2 x Jade

Jem = Jane - 5

Jane + Jade + Jem = 55

From the three equations the following equation can be made:-

2 Jade + Jade + 2Jade - 5 =  55

4Jade - 5 = 55

4Jade = 60

Jade = 60 / 5 = 12 years

Jane = 2 x Jade = 2 x 12 = 24 years

Jem = Jane - 5 = 24 - 5 = 19 years

The answers can be written as:-

1. Jade, who is 12 years old, is the youngest.

2. Jane's age is represented by the formula Jane = 2 x Jade.

3. Jane, who is 24 years old, is the oldest.

4. Jade is twelve years old.

5. Jane + Jade + Jem = 55 will be the formula for the total age.

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The total volume of the ice cream is -4.76 cubic inches.

The volume of the frustum of a cone can be calculated as follows:

V = (1/3) × π × h × (r1² + r2² + r1 × r2), where r1 and r2 are the radii of the top and bottom base of the cone.

And the volume of a sphere can be calculated as follows:

V = (4/3) × π × r³, where r is the radius of the sphere.

To calculate the total volume of the ice cream, we need to subtract the volume of the cone from the volume of the sphere.

Let's first calculate the radii of the top and bottom base of the cone.

r1 = (di/2) = (1.25/2) = 0.625 in.

r2 = (d0/2) = (2.25/2) = 1.125 in.

Now, we can estimate the volume of the cone.

V_cone = (1/3) × π × h × (r1² + r2² + r1 × r2)

= (1/3) × π × 2 × (0.625² + 1.125² + 0.625 × 1.125)

= 6.45 cubic inches.

Next, let's calculate the radius of the sphere.

r_sphere = (di/2) = (1.25/2) = 0.625 in.

And finally, we can calculate the volume of the sphere.

V_sphere = (4/3) × π × 0.625³

= 1.69 cubic inches.

So, the total volume of the ice cream is given by:

V_ice_cream = V_sphere - V_cone

= 1.69 - 6.45

= -4.76 cubic inches.

Note: Since the volume of the cone is larger than the volume of the sphere, the total volume of the ice cream will be negative, indicating that it is not possible to fill a frustum of a cone with ice cream in the manner described.

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--The given question is incomplete; the complete question is

"A frustum of a cone is filled with ice cream such that the portion above the cone is a hemisphere. Define the variables di=1.25 in., d0=2.25 in., h=2 in., and determine the volume of the ice cream."--

A linear system that is underdetermined either has no solution or infinitely many solutions. has an infinite number of solutions and is consistent, for example, (x, y, z) = (1, 2, 2), (2, 3, 2), and (3, 4, 2).

If there are more equations than unknowns in a system of linear equations or a system of polynomial equations, it is said to be underdetermined (in contrast to an overdetermined system, where there are more equations than unknowns). The notion of constraint counting can be used to clarify the vocabulary. It is possible to think of each unknown as a potential degree of freedom. One degree of freedom is constrained by each equation that is added to the system.

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The pairs of sample size n and population proportion p would produce the greatest standard deviation is D) n = 100 and p is close to 0

The entire group about whom you want to make conclusions is referred to as a population.

The particular group from which you will gather data is known as a sample. The sample size is always smaller than the population as a whole.

We know, The standard deviation for a population proportion is, [tex]\sigma_p = \sqrt\frac{p(1-p)}{n}[/tex].

Now, The pairs of sample size n and population proportion p would produce the greatest standard deviation for the sampling distribution of a sample proportion p is when n = 100 and p is close to 0 let's say we took

n = 100 and p = 0.1 then [tex]\sigma_p = \sqrt\frac{p(1-p)}{n}[/tex] will be = 0.09 and when n = 100 and

p = 0.5 then [tex]\sigma_p = \sqrt\frac{p(1-p)}{n}[/tex] = 0.05.

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The correct statement about the angle measures in the diagram is given as follows:

m < 1 + m < 2 = 180º.

To obtain the angle measures for this diagram, we must consider the exterior angle theorem, which states that an angle is supplementary with it's exterior angle.

When two angles are supplementary, it means that the sum of their measures is of 180º.

In this problem, angle 1 is the exterior angle pair of angle 2, hence the correct statement is given as follows:

m < 1 + m < 2 = 180º.

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Answer:

A

Step-by-step explanation:

y = 3.8 − 0.4x.

y =  − 0.4x + 3.8

so slope = -0.4 negative slope

intercept = 3.8

The perimeter and area of the figure are 40.8 units and 110 square units respectively.

Using the distance formula:

d = √[(x₂ - x₁)² + (y₂ - y₁)²],

where d is the distance between the points (x₁, y₁) and (x₂, y₂).

we shall evaluate the distance between each points as follows:

AB = √[(8-8)² + (9-2)²] = 7

BC = √[(3-8)² + (13-9)²] = 6.4

CD = √[(-3-3)² + (9-13)²] = 7.2

DE = √[(-3+3)² + (9-13)²] = 9

EA = √[(8+3)² + (2-0)²] = 11.2

DB = √[(8+3)² + (9-9)²] = 11

perimeter of the figure = AB + BC + CD + DE + EA.

perimeter of the figure = 7 + 6.4 + 7.2 + 9 + 11.2

perimeter of the figure = 40.8 units.

The figure is observed to be a trapezium ABDE and a triangle BCD. Triangle BCD have base length DB = 11 with height from C to DB equal to 4.

Trapezium ABDE have sides AB and DE parallel to each other, and height DB = 11.

area of triangle BCD = 1/2 × 11 × 4 = 22 square units

area of trapezium ABDE = 1/2 × (7 + 9) × 11 = 88 square units

total area of the figure ABCDE = 22 + 88

total area of the figure ABCDE = 110 square units

Therefore, the perimeter and area of the figure are 40.8 units and 54 square units respectively.

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If a ski resort charges $55 for renting a snowboard or skis and $11 per hour for a lift ticket. If julian spent a total of $121. The number of hours is 6.

Let's call the number of hours Julian spent at the ski resort "h".

We know that:

55 (the cost of the equipment rental) + 11h (the cost of the lift ticket) = 121 (the total amount Julian spent).

So we can subtract 55 from both sides to isolate the lift ticket cost:

11h = 121 - 55 = 66

Finally, we divide both sides by 11 to find the number of hours:

h = 66 / 11 = 6

Therefore, Julian was at the ski resort for 6 hours.

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The percentage of votes that were in favour of the new speed limit is 30%.

William's town voted on a new speed limit.

Total votes in town = 10

Total votes in favour = 3

Total votes not in favour = 10 - 3 = 7

We are asked to determine the percentage of votes that were in favour of the new speed limit.

the percentage of votes that were in favour of the new speed limit can be calculated using the formula:

% of votes in favour of speed limit = (Total votes in favour/Total votes in town) x 100

% of votes in favour of speed limit = (3/10) x 100

% of votes in favour of speed limit = 30 %

Hence, the percentage of votes that were in favour of the new speed limit is 30%.

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The number of such sequences of strings of length 14 is 172.

Let [tex]$a_n$[/tex] and [tex]$b_n$[/tex] denote, the number of sequences of length n ending in A and B, respectively.

If a sequence ends in an A, then it must have been formed by appending two A's to the end of a string of length (n-2).

If a sequence ends in a B, it must have either been formed by appending one Bs to a string of length (n-1) ending in an A, or by appending two Bs to a string of length (n-2) ending in a B.

Thus, we get the recursions as follows -

[tex]a_n &= a_{n-2} + b_{n-2}[/tex]

[tex]b_n &= a_{n-1} + b_{n-2}[/tex]

By counting further, we find that [tex]$a_1[/tex]= 0, [tex]b_1[/tex] = 1, [tex]a_2[/tex] = 1, [tex]b_2[/tex] = 0.

Similarly, we will get the following table -

Therefore, the number of such strings of length 14 is [tex]$a_{14} + b_{14}[/tex] = 80 + 92 = 172.

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The length of the segment is approximately 2.2.

The length of the segment can be found using the Pythagorean theorem.

Given points (x1,y1) and (x2,y2), the length of the segment between them is given by:

√((x2-x1)^2 + (y2-y1)^2)

Plugging in the given points:

√((-3-(-4))^2 + (3-1)^2) = √(1^2 + 2^2) = √5

Rounding to the nearest tenth:

√5 ≈ 2.2

So the length of the segment is approximately 2.2.

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The number  300 can be written as 300/1 as a quotient of integers to show that it is rational.

A rational number is a number of the form p/q, where q not equal to 0 and p  and q must be co-primes.

To write a number in the form of quotient of integer, we write it as , where p/q.

Here,  300 can be written as  300/1 or 600/2 .

But we should also take care that p and q must be co-primes.

Co-primes are the pairs of numbers that have only one common factor which is 1.

So, 300 can be written as 300/1

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The elevation gain of Mount Everest is 15,028 feet, a very impressive feat considering it is the highest elevation gain of any mountain in the world.

The difference between the height at the base of Mount Everest, which is 14,000 feet and the summit, which is 29,028 feet is 15,028 feet. This is also known as the elevation gain. It can be calculated using the following formula:

Elevation Gain = Summit Height - Base Height

So in this case, Elevation Gain = 29,028 ft - 14,000 ft

Which gives us: Elevation Gain = 15,028 ft

The elevation gain of Mount Everest is 15,028 feet, a very impressive feat considering it is the highest elevation gain of any mountain in the world. It is also the highest mountain in the world, with the summit standing at an impressive 29,028 feet. This is a testament to the power of nature and the sheer scale of Mount Everest.

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The ratio notation and decimal notation to describe the relationship between the number of double basses and the total number of instruments in the string section are:

4 : 44 and 0.01.

The ratio shows how many times one value is contained in another value.

Example:

There are 3 apples and 2 oranges in a basket.

The ratio of apples to oranges is 3:2 or 3/2.

We have,

The number of instruments in the string section.

= 7 cellos + 4 double basses + 11 first violins + 11 second violins + 11 violas

= 7 + 4 + 11 + 11 + 11

= 44

Now,

The number of double basses.

= 4

Now,

Ratio notation to describe the relationship between the number of double basses and the total number of instruments in the string section is.

= 4 : 44

The decimal notation to describe the relationship between the number of double basses and the total number of instruments in the string section is.

= 4/44

= 1/11

= 0.01

Thus,

The ratio notation is 4:44.

The decimal notation is 0.01.

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Slopes of all four sides are 1, -2/3, 1 and -2/3.

The slope of the line is the ratio of the rise to the run, or rise divided by the run. It describes the steepness of line in the coordinate plane.

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is

m=y₂-y₁/x₂-x₁

The given points are J(-4,-1), K(-7,-4), L((2, -10), M(5, -7)

For JK, Slope=-4 - (-1)) / (-7 - (-4)) = -3 / -3 = 1

For KL, slope= (-10 - (-4)) / (2 - (-7)) = -6 / 9 = -2/3

For LM, slope= (-7 - (-10)) / (5 - 2) = 3 / 3 = 1

For MJ, Slope=(-1 - (-7)) / (-4 - 5) = 6 / -9 = -2/3

Hence, slopes of all four sides are 1, -2/3, 1 and -2/3.

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Since Point A is an element of a direct variation, the other points that are elements of this direct variation include the following:

B. [-2, -8].

E. [2, 8].

In Mathematics, a direct variation is also referred to as direct proportion and it can be modeled by using the following mathematical expression or function:

y = kx

Where:

In direct proportion, the value of x represent an independent variable while the value of y represents the dependent variable. Therefore, an equation that models the situation is given by:

-4 = -k

k = 4

y = 4x

When x = 8, the equation y = 4x is given by:

y = 4(8) = 32.

When x = -2, the equation y = 4x is given by:

y = 4(-2) = -8 (True).

When x = 4, the equation y = -4x is given by:

y = 4(4) = 16.

When x = 2, the equation y = 4x is given by:

y = 4(2) = -8 (True).

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A closed-ended question is one that doesn't permit many different answers.

Closed-ended questions are those that can only be answered by choosing one of a small number of possibilities. These questions are typically multiple-choice with a single-word response, such as "yes" or "no," or they can use a rating system (e.g. from strongly agree to strongly disagree).

Close-ended questions, such as "yes/no" or multiple choice questions with predetermined answers, are questions that demand a certain response from the respondent. Closed-ended inquiries are frequently used to collect quantitative data from respondents.

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The 85% confidence interval for the mean time at lunch is (25.01, 31.79) minutes.

In a random sample of eighteen people, the mean time at lunch was 28.4 minutes.

Standard deviation of 8.2 minutes.  

A common method to calculate the confidence interval for the mean of a normal distribution is to use the Z-score. For a 85% confidence interval, the Z-score is 1.44. Therefore, the confidence interval can be calculated as:

The confidence interval formula in statistics is used to describe the amount of uncertainty associated with a sample estimate of a population parameter.

Where,

n= Number of terms

[tex]$\overline{\mathrm{x}}[/tex]= Sample Mean

[tex]$\sigma[/tex]=Standard Deviation

[tex]$z_{\alpha / 2}[/tex]= Value corresponding to a2 in z table

[tex]$t_{\alpha / 2}[/tex]= Value corresponding to a2 in t table

[tex]$\alpha[/tex]=(1 - Confidence Level /100)

So for the given data, the confidence interval would be:

=28.4 ± 1.44 * 8.2 / √18

=28.4 ± 1.44 * 8.2 / 4.24

=28.4 ± 3.39

=(25.01, 31.79)

Therefore, the 85% confidence interval for the mean time at lunch is (25.01, 31.79) minutes.

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Answer:

x < -6

Step-by-step explanation:

-9x > 54

Divide both sides by -9, this process will switch the inequality sign:

[x < -6]

Given that in a △ABC, ∠A:∠B:∠C=11:5:4

Let the angles of the given triangle be 11xo,5xo,4xo.

We know that the sum of the angles of a triangle is 180o

11xo+5xo+4xo=180o⇒20xo=180o

xo=12110o​=15o

So, the angles of the triangle are 70o,60o,45o.

The money factor that will be used to calculate bob’s payment is C) 0.00333

Money Factor can be converted to Annual Percentage Rate (APR) and vice versa.

So the money factor can be solved:

APR = 2400 x Money Factor

Money Factor = APR / 2400

Money Factor = 8% / 2400 = 0.0033333

Basically, APR is short for Annual Percentage Rate, which means an annual percentage. APR is widely applied to the money you are going to borrow. Like when you apply for a motor vehicle loan, credit card, consumer loan, loan for education, or home ownership loan.

The APR will display a calculation of the amount of interest that will be charged if you apply for a loan. The lower the APR, the less interest you will have to pay.

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The sample size for Simulation A is greater than then the sample size for Simulation B and the variability of Simulation A will be less then the variability of Simulation B.  

What is sampling distribution ?

An example of a sampling distribution is a probability distribution of a statistic that is derived from repeated sampling of a particular population.            

                         It depicts a spectrum of potential results for a statistic, such as the mean or mode of a variable, for a population.

Given,

Two simulations will be conducted for the sampling distribution of a sample proportion from a population with a true proportion of 0.325.

Simulation A will consist of 1500 trials with a sample size of 100.

Simulation B will consist of 2000 trials with a sample size of 50.

Center for Simulation A and Simulation B will be roughly equal.  

Overall Sample size of Simulation A will be

  = 1500 * 100  = 150000

Overall Sample size of Simulation B will be

 = 2000 *  50  =  100000

Hence, the sample size for Simulation A is greater than then the sample size for Simulation B and the variability of Simulation A will be less then the variability of Simulation B.  

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The complete question is -

In a recent survey, the proportion of adults who indicated mystery as their favorite type of book was 0.325. Two simulations will be conducted for the sampling distribution of a sample proportion from a population with a true proportion of 0.325. Simulation A will consist of 1,500 trials with a sample size of 100. Simulation B will consist of 2,000 trials with a sample size of 50. Which of the following describes the center and variability of simulation A and simulation B?

A) The centers will roughly be equal, and the variabilities will roughly be equal.

B) The centers will roughly be equal, and the variability of simulation A will be greater than the variability of simulation B.

C) The centers will roughly be equal, and the variability of simulation A will be less than the variability of simulation B.

D) The center of simulation A will be greater than the center of simulation B, and the variability of simulation A will roughly be equal to the variability of simulation B.

E) The center of simulation A will be less than the center of simulation B, and the variability of simulation A will be greater than the variability of simulation B.

The rationalized surds are;

1) 20 + 5√3/13

2) 12√7 - 24/7

3) 6√2  + 6√3/5

The surd has to do with an irrational number. In this case we are asked to find the value of the following surds.

1) The conjugate of the denominator is; 4 + √3 and the rationalize we have;

5/4 - √3 * 4 + √3/4 + √3

20 + 5√3/16 + 4√3 - 4√3 - 3

20 + 5√3/13

2) The conjugate of the denominator is; √7 - 2

To rationalize we have;

12/√7 + 2 * √7 - 2/√7 - 2

12√7 - 24/7 -2√7 + 2√7

12√7 - 24/7

3) The conjugate of the denominator is √2 + √3

To rationalize we have;

6/√2 - √3 * √2 + √3/√2 + √3

6√2  + 6√3/2 + √6 - √6 + 3

6√2  + 6√3/5

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The sector area for the figure below is 268.19.

The quantity of space included within the sector's perimeter is referred to as the sector's area in a circle. A sector always starts at the circle's center. The area of a circle encompassed between its two radii and the arc next to them is known as the sector of a circle. The sector of a circle that most often symbolizes half of a circle is a semicircle.

The area of sector is given by the formula:

A = (pi)r² × α/360

where, r is the radius and α is the angle of the sector.

Substituting the value of r and α in the formula we have:

A = pi (16)² × 120/ 360

A = 268.19

Hence, the sector area for the figure below is 268.19.

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