Sandras cell phone plan givers her unlimited minutes for $15.59 per month. She is charged $0.08 for each text message, t. Which equation models the total monthly cost, C, for the cell phone

Simple random sampling was employed as the sampling method for the investigation.

Since we know that,

Simple random sampling is a common method used in research to ensure that the sample is representative of the population being studied. This technique is effective because it avoids bias and ensures that each member of the population has an equal chance of being selected for the study.

The sampling technique used in the study is simple random sampling. This is because the administrator selected students from the list of all enrolled students in a random manner, meaning that each student had an equal chance of being selected.

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From the given information x = 19, and the segments DE = 84 and EF = 36.

The length of the line segment formed by the joining of two or more line segments is the summation of the lengths of all the smaller segments.

In the question, we are shown a line segment DF = 120, made of two smaller segments DE = 4x + 8 and EF = 2x - 2.

As DF is made of DE and EF,

The length of DF = The length of DE + The length of EF

or, 120 = 4x + 8 + 2x - 2

or, 120 = 6x + 6

or, 6x = 120 - 6 = 114

or, x = 114/6 = 19.

Therefore, DE = 4x + 8 = 4(19) + 8 = 76 + 8 = 84

EF = 2x - 2 = 2(19) - 2 = 38 - 2 = 36

Therefore, from the given information x = 19, and the segments DE = 84 and EF = 36.

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The dollar number that defines where the lowest values falls is

20% percentile value =$20

This is further explained below.

Generally,  Now we need to determine the 20th percentile ($20). It indicates that we need to locate a dollar amount that marks the point at which the 20 % data has a value lower than that number.

i=(p/100)*n

Where i is the position of p^th

percentile when the data is presented in ascending order.

i=20/100*50

i=1000/100

i=10

Therefore

n=50

p=20

In conclusion, the 10th position for given data is 20,

Therefore, 20% percentile value =$20

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Answer:

Statiscal

Step-by-step explanation:

A statistical question is a question that can be answered by collecting data that vary. and this question can have more then one varitve of answers

Answer:

19.2 years

Step-by-step explanation:

The formula to find the time in a compound interest that is compounded continuously is given as:

t = ln(A/P) / r

Where:

t = time in years = ??

A = Amount after Interest is compounded continuously = $100,000

P = Initial Amount in the retirement account = $10,000

r = Rate of return = 12%

First, convert R percent to r a decimal

r = R/100

r = 12%/100

r = 0.12 per year,

Then, solve our equation for t

t = ln(A/P) / r

t = ln(100,000.00/10,000.00) / 0.12

t = 19.188 years

Approximately t = 19.2 years

Answer:

You need to write log_2 80 in terms of log_2 5 , such that:

log_2 80 = log_2 (8*10)  

Using the properties of logarithms, you need to convert the logarithm of product in summation of logarithms, such that:

log_2 (8*10)= log_2 8 + log_2 10

Since log_2 10 = log_2 (2*5) , yields:

log_2 (8*10)= log_2 8 + log_2 (2*5)

log_2 (8*10)= log_2 8 + log_2 2 + log_2 5

You need to write 8 as power of 2, such that:

log_2 (8*10) = log_2 (2^3) + log_2 2 + log_2 5

Using the power property of logarithms, log_a b^c = c*log_a b  yields:

log_2 (8*10) = 3log_2 2 + log_2 2 + log_2 5

Since log_2 2 = 1 yields:

log_2 (8*10) = 3 + 1 + 2.3219

log_2 (8*10) = 4 + 2.3219 => log_2 (8*10) = 6.3219

Hence, evaluating the given logarithm , using the indicated properties of logarithms, yields log_2 (8*10) = 6.3219 .

Step-by-step explanation:

The value of \(log_2{80}\) if \(log_25 = 2.3219\) is 6.3219.

The logarithm is exponentiation's opposite function in mathematics.

This indicates that the exponent to which b must be raised in order to obtain a number x is the logarithm of x to the base b. For instance, because 100 = 10², the logarithm of 100 in base 10 is 2, or log10 = 2.

Given, \(log_25 = 2.3219\).

Now, To obtain the value of \(log_2{80}\) we'll break it into suitable smaller parts.

Therefore,

\(log_2{80} = log_2({8\times10})\).

\(log_2{80} = log_28 + log_210\)

\(log_2{80} = log_28 + log_2({2\times5})\).

\(log_2{80} = log_28 + log_22 + log_25\).

\(log_2{80} = 3 + 1 + 2.3219\).

\(log_2{80} = 6.3219\).

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The correlation coefficient is a statistical measure that is used to determine the strength and direction of the association between two variables. It is a value that ranges from -1 to +1, where a correlation coefficient of -1 indicates a perfect negative correlation, 0 indicates no correlation, and +1 indicates a perfect positive correlation.

To calculate the correlation coefficient, the covariance between the two variables is divided by the product of their standard deviations. This results in a value that represents the degree of linear association between the two variables. A positive correlation coefficient indicates a positive linear relationship between the variables, while a negative correlation coefficient indicates a negative linear relationship.
Overall, the correlation coefficient is a useful tool for analyzing the relationship between two variables and can provide valuable insights into the strength and direction of their association.

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(a) The domain of the function f(x, y) = ln(2xy - 11) is the set of all (x, y) pairs for which the expression 2xy - 11 is greater than zero.

In other words, the domain is the set of points that make the argument of the natural logarithm positive, which is { (x, y) | 2xy - 11 > 0 }. (b) The domain of the function f(x, y) = T16_x2-y? b is not specified in the given expression. Without knowing the definition or constraints of T16_x2-y? b, we cannot determine the domain.

(c) The domain of the function f(x, y) = 19 - v? - y? is not explicitly stated. However, since there are no restrictions or limitations mentioned, we can assume that the domain is the set of all real numbers for both x and y. (a) For the function f(x, y) = ln(2xy - 11), the range is the set of all real numbers since the natural logarithm is defined for positive real numbers. The expression 2xy - 11 can take any positive value, and the natural logarithm will yield a corresponding real number. Therefore, the range of f(x, y) is (-∞, ∞).

(b) Without further information about the function f(x, y) = T16_x2-y? b, we cannot determine the range. The range of a function depends on its definition and any constraints or limitations imposed on the variables involved. (c) For the function f(x, y) = 19 - v? - y?, the range is also the set of all real numbers. The expression 19 - v? - y? does not have any limitations or restrictions, and it can take any real value. Hence, the range of f(x, y) is (-∞, ∞).

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The answer is 84 pairs of pants.

Explanation:
According to the problem, she donated half of her pants to charity, which means she donated (1/2)x pairs of pants.

After donating half of her pants, she kept her 7 favorite pairs of pants. So, the number of pairs of pants she kept is 7.

The problem states that she was left with 35 pairs of pants after donating half of her pants and keeping her 7 favorite pairs. This means that the remaining number of pairs of pants is (x/2) - 7 = 35.

Solving for x, we get:

(x/2) - 7 = 35

x/2 = 42

x = 84

Therefore, Kim had 84 pairs of pants in the beginning.

Answer:

my guess is 17 .,.

Step-by-step explanation:

Answer:

I would recommend that Elena does the right side first because in math the distributive property always comes first.

Step-by-step explanation:

Answer:

x=6

Step-by-step explanation:

Answer:

√145/9

Step-by-step explanation:

Terminal side passes through (9,8 ) . So it is in first quadrant . The perpendicular will be 8u and base 9u .

For finding hypotenuse ,

=> h = √9² + 8² u

=> h = √81+64 u

=> h = √145 u

As we know that ,

=> sec∅ = hypotenuse/base

=> sec∅ = √145/9

George will need to do 76 ft. of fencing , Option C is the correct answer.

A rectangle is a polygon with four sides , angles and vertices , the opposite sides are parallel and equal.

Area of the dog run = 240 sq.ft

Length of the run is 30 ft

Width is 30-x ft.

Area of a Rectangle = Length * Width

240 = 30 * (30-x)

8 = 30 -x

x = 22 ft.

Width is (30-220 = 8)

The perimeter of the rectangle is = 2(Length + Width )

Perimeter = 2( 30 +8)

Perimeter = 2 * 38 = 76 feet

Therefore George will need to do 76 ft. of fencing.

The complete question is

George is building a fence around a rectangular dog run. He is using his house as one side of the run. The area of the dog run will be 240 square feet. The length of the run is 30 feet, and the width is (30 minus x) feet. The diagram below shows his plan. Recall the formulas for area and perimeter: A = lw and P = 2l + 2w. A rectangle labeled  How many feet of fencing will George need for the dog run? 22 feet 68 feet 76 feet 82 feet

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Answer:

late a-s-f but 68 ft

Step-by-step explanation:

The sign on the slope, the estimated regression equation, and the expected percentage of the population with ITC skill for a given level of education are determined.

a. To estimate the model using Excel, the researcher would need to input the data from the TIK worksheet in the data_uas.xls file. By running a regression analysis in Excel, the output would include the coefficient estimates, standard errors, t-values, p-values, and other relevant statistics. The researcher can present this output to analyze the relationship between education and ITC skill.

b. The sign on the slope of the regression coefficient will indicate whether the relationship between education and ITC skill is positive or negative. Based on previous studies and expectations, a positive association between education and ITC skill is anticipated. If the slope coefficient (B₁) is positive and statistically significant, it would confirm this expected positive relationship.

c. The estimated regression equation will provide the functional form of the relationship between education and ITC skill. It will specify how much ITC skill is expected to change for a unit change in education.

The equation would be in the form: ITC = Po + B₁Education + ε, where Po is the intercept, B₁ is the estimated coefficient for education, and ε represents the error term.

d. To determine the expected percentage of the population aged 15-59 years with ITC skill for a given level of education, the estimated regression equation can be used.

Using the mean years of schooling of 12.8 years as the value for education in the equation, the researcher can calculate the corresponding expected value for ITC skill. This will provide an estimate of the percentage of the population with ITC skill based on the given level of education.

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Answer:

7£

Step-by-step explanation:

Shamus buys 2 adult tickets which are 24£, 3 children tickets which are 21£, and 1 senior ticket which is 8£. 24 + 21 + 8 is 53. If Shamus pays with three 20£ notes, he payed 60£ in total. Shamus only needs 53£ however. 60 - 53 is 7 so Shamus would get 7£ back as change.

To find how much less the temperature of dry ice is than room temperature, we need to subtract the temperature of dry ice from the temperature of room temperature.

The formula is:difference = room temperature - dry ice temperature

We can plug in the given values:

difference = 20°C - (-98°C)

We can simplify the expression by adding 98°C to both sides:

difference + 98°C = 20°C + 98°C

difference = 118°C

Therefore, the temperature of dry ice is 118°C less than room temperature.

Answer:

ABOUT 4000

Step-by-step explanation:

The volume of the right rectangular prism is the amount of cubes in it

The formula to determine the volume of the right rectangular prism is V(n) = n

The question is incomplete; as the figure is not given.

So, I will provide a general solution

The volume of a one inch cube is:

\(V = 1^3\)

\(V = 1\)

Assume the number of one inch cubes used to fill the right rectangular prism is n.

Then the volume of the right rectangular prism would be:

\(V(n) = n * 1\)

This gives

\(V(n) = n\)

Hence, the general formula to determine the volume of the right rectangular prism is V(n) = n

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The lengths of AD and BE are 9.12 cm and 6.4 cm, respectively.

In triangle ABC, AD and BE are the angle bisectors of angle A and angle B, respectively.

If AB = 8 cm, AC = 6 cm, and BC = 7 cm, then find the lengths of AD and BE.

The lengths of AD and BE in triangle ABC are:

AD = (2bc cos(A/2)) / (b+c) and

BE = (2ac cos(B/2)) / (a+c),

where a, b, and c are the lengths of the sides opposite to angles A, B, and C respectively.

In triangle ABC,

we have a = 7 cm, b = 8 cm, and c = 6 cm.

AD = (2 x 8 x 6 cos(A/2)) / (8+6)

= 9.12 cm

BE = (2 x 7 x 6 cos(B/2)) / (7+6)

= 6.4 cm

The lengths of AD and BE are 9.12 cm and 6.4 cm, respectively.

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In linear equation, Jen planned to spent 3.75 hours paddleboarding.

What is a linear equation example?

Dominic has sampled =  7

flavors of ice cream at shop = f

the expression that shows the number of flavors Dominic has not sampled  

                                        = 7 * f = 7f                

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The number of outcomes in the complement of the given event is 98.

It can be calculated by subtracting the number of outcomes in the event from the total number of possible outcomes. In this case:

Total number of outcomes = 271 apartments

Number of outcomes in the event = 173 subleased apartments

Number of outcomes in the complement = Total number of outcomes - Number of outcomes in the event

Number of outcomes in the complement = 271 - 173 = 98

Therefore, there are 98 outcomes in the complement of the event. These would represent the apartments that are not subleased in the complex.

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Answer: x = 3

Step-by-step explanation: 3 + 3 = 6 ; 30 divided by 6 = 5.

Answer:

x = 3

Step-by-step explanation:

\(\frac{30}{3+x}\) = 5 ( models the statement )

multiply both sides by 3 + x

30 = 5(3 + x)

30 = 15 + 5x ( subtract 15 from both sides )

15 = 5x ( divide both sides by 5 )

3 = x

The value of AB= 24 BD is congruent to BC. BD=BC

BD = 5x – 26, BC = 2x + 1, and AC = 43

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the question is that there are 2,024 different ways that the three prizes can be claimed by the 24 horses.

To find the number of ways that the prizes can be claimed, we can use the formula for permutations, which is nPr = n! / (n-r)!, where n is the total number of items and r is the number of items being selected. In this case, we have 24 horses competing for 3 prizes, so n = 24 and r = 3. Plugging these values into the formula, we get:

nPr = 24P3 = 24! / (24-3)! = 24! / 21! = (24 x 23 x 22) / (3 x 2 x 1) = 2,024

Therefore, there are 2,024 different ways that the three prizes can be claimed by the 24 horses.

using the formula for permutations, we found that there are 2,024 different ways that the three prizes can be claimed by the 24 horses competing in the competition.

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Answer:

Line B because it is increasing more quickly than line A

Step-by-step explanation:

they are both positive so the 3rd option is wrong

lines have no end so the last option is wrong

they both intersect at the origin so option 1 is wrong

Answer:

C it has a positive slope

Step-by-step explanation:

The domain of a function is the set of all possible inputs for the function.

What are the domain and range?

The range of values that we are permitted to enter into our function is known as the domain of a function. The x values for a function like f make up this set (x). A function's range is the collection of values it can take as input. After we enter an x value, the function outputs this sequence of values.

Let y = f(x) be a function with an independent variable x and a dependent variable y.

If a function f provides a way to successfully produce a single value y using for that purpose a value for x then that chosen x-value is said to belong to the domain of the function.

The domain of a function is the set of values that we are allowed to plug into our function. This set is the x values in a function such as f(x).

Hence, the domain of a function is the set of all possible inputs for the function.

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18.84 feet farther is it around the outer edge of the path than around the inner edge.

Given:

A circular path 3 feet wide has an inner diameter of 450 feet.

Use 3.14 for \(\pi\).

Now, to find how much farther is it around the outer edge of the path than around the inner edge.

Width of the circular path = 3 feet.

Inner diameter of circular path = 450 feet.

So, to get the inner radius we divide the inner diameter of circular path by width of circular path:

\(450\div3\)

\(=150 \ \text{feet}\)

\(\text{r} = 150 \ \text{feet}\).

Now,

Thus, the outer radius is:

\(150+3\)

\(=153 \ \text{feet}\)

\(\text{r} = 153 \ \text{feet}\).

Now, we get the circumference of inner edge and outer edge:

\(\bold{Circumference \ of \ inner \ edge} = \bold{2\pi r}\)

\(\text{Circumference of inner edge} = 2\times3.14\times150\) \(\text{Circumference of inner edge}=942 \ \text{feet}.\)

\(\bold{Circumference \ of \ outer \ edge} = \bold{2\pi r}\)

\(\text{Circumference of outer edge} = 2\times3.14\times153\)                                                

\(\text{Circumference of outer edge}=960.84 \ \text{feet}.\)

Now, to get how much farther is it around the outer edge of the path than around the inner edge:

\(\text{Circumference of outer edge - circumference of inner edge}\).

\(960.84-942\)

\(=18.84 \ \text{feet}.\)

Therefore, 18.84 feet farther is it around the outer edge of the path than around the inner edge.

Answer:

your mom + your mom = big mama there you go your welcome

Step-by-step explanation:

your mom + your mom = big  mama there you go your welcome

Answer:

A

Step-by-step explanation:

pls give a brainliest

❤ Hello Buddy!! ❤

The answer is below!!

-------------------------------------------------------------------------------------------------

Step-by-step explanation:

\((8x-5)+2x+(3x-10)=180\)

\(13x-15=180\)

\(+15 +15\)

\(13x=195\)

\(x=15\)

\(8(15)-5=115\)°

P.S Tell me if this is wrong.....

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