Kaylee and her children went into a movie theater and will buy drinks and candies.
She must buy no less than 15 drinks and candies altogether. Write an inequality that
would represent the possible values for the number of drinks purchased, d, and the
number of candies purchased, c.

Answer:

yes it does, -6x2= -18

Step-by-step explanation:

The type of sampling described, where the researchers intentionally select a sample with 50% straight and 50% LGBTQ+ respondents, is known as "disproportionate stratified sampling."

A. Disproportionate stratified sampling involves dividing the population into different groups (strata) based on certain characteristics and then intentionally selecting a different proportion of individuals from each group. In this case, the researchers are dividing the population based on sexual orientation (straight and LGBTQ+) and selecting an equal proportion from each group.

B. Availability sampling (also known as convenience sampling) refers to selecting individuals who are readily available or convenient for the researcher. This type of sampling does not guarantee representative or unbiased results and may introduce bias into the study.

C. Snowball sampling involves starting with a small number of participants who meet certain criteria and then asking them to refer other potential participants who also meet the criteria. This sampling method is often used when the target population is difficult to reach or identify, such as in hidden or marginalized communities.

D. Simple random sampling involves randomly selecting individuals from the population without any specific stratification or deliberate imbalance. Each individual in the population has an equal chance of being selected.

Given the description provided, the sampling method of intentionally selecting 50% straight and 50% LGBTQ+ respondents represents disproportionate stratified sampling.

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Answer:

False

Step-by-step explanation:

Without a graph, figure, or any other context the cost of grapefruit in 1995 in not related to the other years by any other facts or figures.

Convert 3.80 liters to milliliters, multiply by 1000, divide by 250, find 15.2 cups Travis can fill with 3.80 liters.

To determine the number of cups Travis can fill with 3.80 liters of dessert, we need to convert the volume from liters to milliliters. Since there are 1000 milliliters in 1 liter, we can calculate the total volume of the dessert in milliliters by multiplying 3.80 liters by 1000:

3.80 liters * 1000 ml/liter = 3800 ml

Next, we divide the total volume of the dessert (3800 ml) by the volume of each cup (250 ml) to find the number of cups Travis can fill:

3800 ml / 250 ml/cup = 15.2 cups

Therefore, Travis can fill approximately 15.2 cups with the 3.80 liters of dessert.

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The region between the line y = 1 and the graph of y = √(x + 1), 0 ≤ x ≤ 4 is revolved about the x-axis.We need to integrate this using the washer method. We start by finding the volume of the individual washers:V = π(R^2 - r^2)hWe need to find R, r, and h for this.

We can express the volume of the solid as follows:

V = ∫(πy^2)dx

Let's put it to the test now:

π∫[0,4][1 - (√(x + 1))^2]dx= π∫[0,4](1 - x + 1)dx= π∫[0,4](2 - x)dx= π[x(2 - x) - (1/2)(x^2)]|[0,4]= π(4 - (1/2)(16) - 0 + (1/2)(0))= (3π)/2

The volume of the region between the line y = 1 and the graph of y = √(x + 1), 0 ≤ x ≤ 4 is revolved about the x-axis is (3π)/2.2. The region between the lines x = 4, y = x - 2, and the x-axis in the first quadrant is revolved about the y-axis.We can express the volume of the solid as follows:

V = ∫(2πx)(x - 4)dx

Let's put it to the test now:

2π∫[0,2](x^2 - 4x)dx= 2π[((1/3)(2^3) - 4(1/2)(2^2)) - 0]= (4π)/3

The volume of the region between the lines x = 4, y = x - 2, and the x-axis in the first quadrant is revolved about the y-axis is (4π)/3.

The region between the x-axis and the line y = -x + 6 in the first quadrant is revolved about the y-axis.The volume of the solid is calculated as follows:

V = ∫(2πx)(-x + 6)dx

Let's put it to the test now:

2π∫[0,6](x^2 - 6x)dx= 2π[((1/3)(6^3) - 6(1/2)(6^2)) - 0]= (36π)/3= 12π

The volume of the region between the x-axis and the line y = -x + 6 in the first quadrant is revolved about the y-axis is 12π.4. The region between the x-axis and the graph of y = sin x, 0 ≤ x ≤ π is revolved about the line x = 2.Using the washer method, we can evaluate the volume of the solid. The equation we'll use is:

V = ∫(πR^2 - πr^2)dx

Let's put it to the test now:

π∫[0,π]((2 + sin x)^2 - 4)dx= π∫[0,π](4 + 4sin x + sin^2x - 4)dx= π∫[0,π](4sin x + sin^2x)dx= π(-4cos x - (1/3)cos^3x)|[0,π]= (16π/3)

The volume of the region between the x-axis and the graph of y = sin x, 0 ≤ x ≤ π is revolved about the line x = 2 is (16π/3).

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Considering the information about trees, The value of a is 5500

The value of r is calculated to be 0.92

In 1 October 2030 the number is 2022

A mathematical function called an exponential function is employed frequently in everyday life. It is mostly used to compute investments, model populations, determine exponential decay or exponential growth, and so on.

Exponential function is a type of function of the form: f(x) = a(b)^x. It is made up of  3 main parts

a = the starting or initial value

b = the base function

x = the exponents

Considering the given problem,  N = ar^t

the starting, a = 5500

the base, r =

the exponents = t

Solving for the base

N = ar^t

5500 = ar^t in 2018 t = 0

a = 5500

in 2019, t = 1

N = ar^t

5060 = 5500 * r

r = 5060/5500

r = 0.92

From 2018 to 2030 = 12 years, hence t = 12

N = 5500 * 0.92^12

N = 2,022.165132

N = 2022

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Answer:

Hi, the Answer is 0.75.

Answer:

Domain

Step-by-step explanation:

The set of input values is called the domain of the function.

Hope I helped! Please mark Brainliest!

Answer: the domain is the set of inputs for a function

so domain.

Answer: 2,754 students

Step-by-step explanation:

18 / 270= 1/15

(1/15)(41,310) = 2,754 students

Answer:

16 or 14 depending on that 3 after the first x

Step-by-step explanation:

(2)^3+5(2)-2

8+10-2

18-12=16

OR

(2)3+5(2)-2

6+10-2

16-2=14

Answer:

Shaunda answered 7 questions incorrect

Step-by-step explanation:

86% can be written as 86/100 or .86

When you multiply .86 or 86/100 by 50, you get 43 questions, which are how many questions she answered correctly.

50-43 = 7, so she answered 7 questions incorrectly.  

Answer:

x = -2/3 , 2

Step-by-step explanation:

Factor 2  out of   6 x^ 2 − 8 x − 8

2 ( 3 x^ 2 − 4 x − 4 ) = 0

Factor

2 ( 3 x + 2 ) ( x − 2 ) = 0

Set  3 x + 2  equal to  0  and solve for  x

x = -2/3

Set  x − 2  equal to  0  and solve for  x

x = 2

The final solution is all the values that make 2 ( 3 x + 2 ) ( x − 2 ) = 0

x = -2/3 , 2

Hope this can help you

Answer:

Take the golf cart for the fastest time, and bragging rights.

Step-by-step explanation:

See attachment

The golf cart will make the trip in 0.383 hours, while walking would require 0.85 hours.

Alexander made $742 last week in commission. He made $40068 in commission in 2011.

Sold = $5300

Commission percent = 14%

Commission = 14% of 5300

                     = (14/100)*5300

                     = 14*53

                     = 742

No. of weeks in 2011 = 54

Commission = 54 * 742

                     = 40068

Hence, he makes $742 in weeks and $40068 in year 2011.

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According to the model, 18% of gross domestic product will go toward health care in the year 2026.

To find the year when 18% of gross domestic product (GDP) will go toward health care according to the given model, we need to solve the equation:

f(x) = 18

where f(x) represents the percentage of GDP going toward health care x years after 2006.

Given the model f(x) = 1.4 ln(x) + 13.8, we can substitute 18 for f(x):

1.4 ln(x) + 13.8 = 18

Subtracting 13.8 from both sides:

1.4 ln(x) = 4.2

Dividing both sides by 1.4:

ln(x) = 3

To solve for x, we can exponentiate both sides using the base e (natural logarithm):

e^(ln(x)) = e^3

x = e^3

Using a calculator, the approximate value of e^3 is 20.0855.

Therefore, according to the model, 18% of GDP will go toward health care in the year 2006 + x = 2006 + 20.0855 ≈ 2026 (rounded to the nearest year).

According to the model, 18% of gross domestic product will go toward health care in the year 2026.

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Complete question is below

The percentage of gross domestic product (GDP) in a state going toward health care from 2007 through 2010, with projections for 2014 and 2019 is modeled by the function f(x) = 1.4 In x + 13.8, where f(x) is the percentage of gross domestic product going toward health care x years after 2006. According to the model, when will 18% of gross domestic product go toward health care?

According to the model, 18% of gross domestic product will go toward health care in the year (Round to the nearest year as needed.)

1. Saddle Point:

For a saddle point at (-2, 1), we need  \(f_y_y\) (−2, 1) to have the opposite sign of   \(f_x_x\) (−2, 1), and D > 0.

2. Relative Maximum/Minimum:

It is not possible for f to have a relative maximum or minimum at (-2, 1) because f(−2, 1) = 4 and  \(f_x_x\) (−2, 1) and  \(f_y_y\) (−2, 1) have the same sign.

These conditions describe the requirements for a saddle point and exclude the possibility of a relative maximum or minimum at (-2, 1).

What is the partial derivative?

A partial derivative is a derivative of a function with respect to one of its variables while holding other variables constant. It measures the rate of change of the function with respect to a specific variable.

To determine the conditions for the function f(x, y) to have a saddle point at (-2, 1), we need to analyze the second partial derivatives of

f at that point.

Saddle Point:

For a saddle point, we require that both the second partial derivatives

\(f_x_x \ and \ f_y_y\)

​

 have opposite signs. Additionally, the discriminant

\(2D=f_x_x \cdot f_y_y -(f_x_y)^2\)  should be positive.

Given that the only critical point is (-2, 1) and  \(f_r\)(−2, 1) = 8, we can conclude that \(f_x_x\) (−2, 1) = 8. To ensure a saddle point, we need \(f_y_y\) (−2, 1) to have the opposite sign of  \(f_x_x\) (−2, 1) and D>0.

Relative Maximum/Minimum:

To determine if a relative maximum or minimum exists at (-2, 1), we can analyze the behavior of the second partial derivatives. If both  \(f_x_x\)  and  \(f_y_y\)   have the same sign and D>0, it indicates a relative maximum or minimum.

However, since we are given that f(−2, 1)=4, we can conclude that  \(f_x_x\) (−2, 1) and  \(f_y_y\) (−2, 1) have the same sign. Therefore, it is not possible for

f to have a relative maximum or minimum at (-2, 1).

Hence, 1. Saddle Point:

For a saddle point at (-2, 1), we need  \(f_y_y\) (−2, 1) to have the opposite sign of   \(f_x_x\) (−2, 1), and D>0.

2. Relative Maximum/Minimum:

It is not possible for f to have a relative maximum or minimum at (-2, 1) because f(−2, 1)=4 and  \(f_x_x\) (−2, 1) and  \(f_y_y\) (−2, 1) have the same sign.

These conditions describe the requirements for a saddle point and exclude the possibility of a relative maximum or minimum at (-2, 1).

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The opportunity cost of spending $90,000 on advertising but only producing 12,000 units can be calculated by comparing the benefits of the advertising investment to the potential alternative uses of that money.

First, let's calculate the total cost of producing 12,000 units. Fixed costs amount to $48,000, and variable costs are $8 per unit, resulting in a total cost of $48,000 + ($8 × 12,000) = $144,000.

Next, we need to calculate the potential sales revenue without advertising. With a price of $16 per unit, the potential sales revenue would be $16 × 12,000 = $192,000.

Now, let's calculate the potential sales revenue after advertising. The advertising multiplier is given as (30,000 + advertising) / 30,000. In this case, the multiplier would be (30,000 + 90,000) / 30,000 = 4.

Therefore, the potential sales revenue after advertising would be $192,000 × 4 = $768,000.

The opportunity cost is the difference between the potential sales revenue after advertising ($768,000) and the potential sales revenue without advertising ($192,000), which is $768,000 - $192,000 = $576,000.

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The length of midsegment of the trapizoid with bases 35 and 71 is 53.

A trapezoid, commonly referred to as a trapezium, is a quadrilateral or a polygon with four sides. It has a set of parallel opposing sides and a set of non-parallel sides. The bases and legs of the trapezoid are known as the parallel and non-parallel sides, respectively.

A trapezoid is a closed, four-sided, two-dimensional shape that has both a perimeter and an area. The bases of the trapezoid are the two sides of the form that are parallel to one another. The legs or lateral sides of a trapezoid are the non-parallel sides. The altitude is the smallest distance between two parallel sides. Calculating a trapezoid's area is easy since its opposite sides are parallel to one another.

A trapezoid differs from other quadrilaterals in that it has the following characteristics:

The length of midsegment is sum of bases divided by 2

therefore midsegment = (35 + 71)/2 = 53.

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Answer:

Step-by-step explanation:

x=26

A hypothesis can be differentiated from a theory because it is a specific prediction arising from the theory. The statement that is true is, a hypothesis can be differentiated from a theory because it is a specific prediction arising from the theory. A hypothesis is a suggested explanation of a phenomenon or observed data that is testable.

Hypotheses are more detailed, and are written to explain precisely what you think is going to occur in your research and the reason for that prediction. A hypothesis will be rejected if it does not fit the data, whereas a theory will be modified to fit the data.

A hypothesis is more like a forecast, and a theory is more like a law that explains how certain events operate. Thus, we can conclude that a hypothesis is a specific prediction arising from the theory.

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21. C

22. D

23. A

Answer:

...

Step-by-step explanation:

...

After answering the provided question, we can state that As a result, expression rather than a rating of 6, it would be more appropriate to use the median to describe the centre of this data set.

An expression in mathematics is a collection of interpretations, digits, and transnational corporations that resemble a causative link or regimen. A real number, a mutable, or a combination of the two can be used as an expression. Mathematical operators include extension, subtraction, rapid spread, separation, and exponentiation. Expressions are widely used in arithmetic, mathematics, and shape. They are used in the representation of mathematical formulas, the solution of equations, and the simplification of mathematical relationships.

Because the dot plot is not symmetrical and the distribution appears to be skewed towards higher ratings, a rating of 6 may not be a good description of the centre of this data set. The numbers 8, 9, and 10 are more common than the numbers 0-7, indicating that the data set has a right skew.

As a result, the centre of the data set may be better described by a measure of central tendency that accounts for data skewness, such as the median.

As a result, rather than a rating of 6, it would be more appropriate to use the median to describe the centre of this data set.

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Hence, 15 people out of 3 people can be chosen in 35 ways.

It is given that:

The total number of people in a race, n = 15

The number of finalists, r = 3.

Hence, the number of ways in which 3 people out of the 15 people can be finishers are:

\(^{15}C_{3} }\) = \(\frac{15!}{(15-3)!3!}\) = \(\frac{15!}{12!3!}\) = 35.

Hence, 15 people out of 3 people can be chosen in 35 ways.

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Answer:

sec(theta)=1/cos(theta)

Step-by-step explanation:

sec(theta)=1/cos(theta)

Answer:

20+18 = 38

or its

2838

My reasoning --> because if you add 17+14 its 31  .... look at the patterns I guess?

2838

If you like, I can give more explaintion.

Period of the functions: The period of the function f(t) = (7 cos t)² is given by 2π/b where b is the period of cos t.The period of the function f(t) = cos (2φt²/m) is given by T = √(4πm/φ). The period of the function f(t) = (7 cos t)² is given by 2π/b where b is the period of cos t.

We know that cos (t) is periodic and has a period of 2π.∴ b = 2π∴ The period of the function f(t) =

(7 cos t)² = 2π/b = 2π/2π = 1.

The period of the function f(t) = cos (2φt²/m) is given by T = √(4πm/φ) Hence, the period of the function f(t) =

cos (2φt²/m) is √(4πm/φ).

The function f(t) = (7 cos t)² is a trigonometric function and it is periodic. The period of the function is given by 2π/b where b is the period of cos t. As cos (t) is periodic and has a period of 2π, the period of the function f(t) = (7 cos t)² is 2π/2π = 1. Hence, the period of the function f(t) = (7 cos t)² is 1.The function f(t) = cos (2φt²/m) is also a trigonometric function and is periodic. The period of this function is given by T = √(4πm/φ). Therefore, the period of the function f(t) = cos (2φt²/m) is √(4πm/φ).

The period of the function f(t) = (7 cos t)² is 1, and the period of the function f(t) = cos (2φt²/m) is √(4πm/φ).

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Answer: vertical angles

these angles are also congruent

hope this helps!

Answer:

vertical lines

Step-by-step explanation:

that's answer choice

Answer:

11:20

Step-by-step explanation: