the event that consists of all outcomes that are contained in one event or a second event is the: a. complement b. intersection c. union d. condition

Answers

Answer 1

The combination of two events consisting of all outcomes that are contained in one event or a second event is:

The Union

The correct option is (c)

The union sets are the sets containing all elements that are in A or in B (possibly both). We write the (A ∪ B)

The event A occurs the outcome is contained in A. For any two events A and B, we define the new event A ∪ B, called the union of events A and B. It also says that: The combination of two events consisting of all outcomes that are contained in one event or a second event is: The Union

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The given question is incomplete, complete question is:

The combination of two events consisting of all outcomes that are contained in one event or a second event is :

a. complement b. intersection c. union d. condition


Related Questions

Use a sum-to-product formula to show the following. Sin(55°) sin(5°) = sin(65°) use a sum-to-product formula for sine and simplify

Answers

sin(55°) + sin(5°) = sin(65°) using a sum-to-product formula for sine

We can use the sum-to-product formula for sine to show that sin(55°) + sin(5°) = sin(65°). The formula is:

sin A + sin B = 2 sin[(A + B)/2] cos[(A - B)/2]

Substituting A = 55° and B = 5°, we get:

sin(55°) + sin(5°) = 2 sin[(55° + 5°)/2] cos[(55° - 5°)/2]

Simplifying, we get:

sin(55°) + sin(5°) = 2 sin(30°) cos(25°)

We know that sin(30°) = 1/2 and cos(25°) = sin(90° - 25°), so we can substitute these into the expression:

sin(55°) + sin(5°) =  sin(90° - 25°)

We also know that sin(90° - 25°) = sin(65°), so we can substitute this into the expression:

sin(55°) + sin(5°) = sin(65°)

Therefore, sin(55°) + sin(5°) = sin(65°) using a sum-to-product formula for sine.

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Given question is incomplete, the complete question is below

Show that sin(55°) + sin(5°) = sin(65°)

use a sum-to-product formula for sine and simplify

Tessa is training for a marathon. She runs 13\text{ km}13 km13, start text, space, k, m, end text a day for 333 days

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Tessa has been training for a marathon by running 13 km per day for 333 consecutive days.

Tessa regularly ran 13 km every day for an incredible 333 days, demonstrating her commitment to her marathon training. Her dedication displays her perseverance and discipline, two qualities essential for training for a marathon.

Tessa is likely to get a variety of physical and mental advantages by keeping up such a demanding training plan. Her physical stamina, cardiovascular fitness, and endurance will all greatly increase, preparing her for the demands of a complete marathon. Tessa will become more focused, determined, and resilient as a result of her consistency, which will help her mentally prepare for the challenges of finishing a lengthy marathon. Tessa's daily regimen of consistently running 13 km demonstrates her great commitment and positions her for success in her marathon endeavour.

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Complete Question: Tessa is getting ready to run a marathon. For 333 days, she runs 13 text kilometres (start text, space, k, m, finish text).

How far did Tessa run overall, in metres?

(q74) The dye dilution method is used to estimate cardiac output using 7 mg of dye. The dye concentration is modeled by the function c(t) = 2t(4 - t). The dye concentration is expressed in mg/L and t is measured in seconds. Estimate the cardiac output for the time interval [0, 4].

Answers

Integrating the concentration between 0 and 4, we can see that the correct option is A.

How to estimate the carciac output?

We know that the concentration is given by the quadratic equataion:

c(t) = 2t(4 - t)

To find the cardiatic output for the time interval [0,4 ], we need to integrate over that interval, we will get:

[tex]\int\limits^4_0 {2t*(4 - t)} \, dt = [-(2/3)t^3 + 4t^2 + C]^4_0[/tex]

Where C is the constant of integration.

Evaluating that in the given interval, we will get:

[ -(2/3)*4³ + 4*4² - 0] = 21.33

Then we can see that the correct option is A.

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*PLS MUST ANSWER ASAP*

Answers

Answer:

[tex]f(x) = -5(x -1)^{2} +6[/tex]

Step-by-step explanation:

[tex]f(x) = a(x - h)^{2} + k[/tex] is the standard form of a quadratic, so the fourth option [tex]f(x) = -5(x -1)^{2} +6[/tex] is in standard dorm

HELP ME PLSSSSS THIS IS MY MISSING ASSIGNMENT

Answers

Answer:10

Step-by-step explanation:

10

square root of 100 is 10 because 10×10=100

find the coordinate vector of a = 4 5 6 7 with respect to the basis = e22, e21, e12, e11 of m22.

Answers

The  coordinate vector of a vector a = (4, 5, 6, 7)  with respect to given basis of M22 is a column vector [x1, x2, x3, x4], where x1, x2, x3 , x4 are the coefficients of the linear combination of the basis vectors that gives a. That is,

a = x1 e22 + x2 e21 + x3 e12 + x4 e11

To find the coefficients xi, we solve the system of linear equations given by:

[ e22 | e21 | e12 | e11 ] [ x1 ] [ 4 ]

[ x2 ] = [ 5 ]

[ x3 ] [ 6 ]

[ x4 ] [ 7 ]

We can solve this system using row reduction:

[ e22 | e21 | e12 | e11 ] [ 1 0 0 0 ] [ 4 ].

[ 0 1 0 0 ] = [ 5 ]

[ 0 0 1 0 ] [ 6 ]

[ 0 0 0 1 ] [ 7 ]

Therefore, the coordinate vector of a with respect to the given basis is:

[x1, x2, x3, x4] = [4, 5, 6, 7]

In other words, a = 4 e22 + 5 e21 + 6 e12 + 7 e11.

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the depth of a shark with respect to the surface of the water is - 115.5 meters rational or irrational

Answers

Answer:

Rational

Step-by-step explanation:

The depth of the shark with respect to the surface of the water is -115.5 meters.

This number is a rational number because it can be expressed as a ratio of two integers:

-115.5 = -231/2

So the depth of the shark is a rational number (-231/2) expressed as a decimal (-115.5).

of the following correlation coefficients, the one indicative of the weakest linear relationship is: a. .10 b. - .90 c. - .05 d. .50 e. .85

Answers

The correlation coefficient indicative of the weakest linear relationship is option (c) -0.05. Among the given options, the correlation coefficient of -0.05 is the closest to 0, indicating the weakest linear relationship.

Correlation coefficient ranges from -1 to 1, with -1 indicating a perfect negative linear relationship, 1 indicating a perfect positive linear relationship, and 0 indicating no linear relationship. Therefore, a correlation coefficient closer to 0 indicates a weaker linear relationship. Among the given options, the correlation coefficient of -0.05 is the closest to 0, indicating the weakest linear relationship.

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suppose iq scores are normally distributed with μ = 100 and σ = 15. what percent of iq scores are between 85 and 130?

Answers

If IQ scores are normally distributed with a mean of 100 and a standard deviation of 15, we can use the normal distribution properties to find the percentage of IQ scores between 85 and 130.

Specifically, we can standardize the scores and use a normal distribution table or calculator to find the area under the curve between the z-scores corresponding to 85 and 130.To find the percentage of IQ scores between 85 and 130, we first need to standardize the scores by subtracting the mean and dividing by the standard deviation. This gives:

z1 = (85 - 100) / 15 = -1.00

z2 = (130 - 100) / 15 = 2.00

We can then use a normal distribution table or calculator to find the area under the curve between these two z-scores. For example, using a standard normal distribution table, we can find that the area to the left of z = -1.00 is 0.1587 and the area to the left of z = 2.00 is 0.9772. Therefore, the area between these two z-scores is:

0.9772 - 0.1587 = 0.8185

This means that approximately 81.85% of IQ scores are between 85 and 130. Alternatively, we can use a normal distribution calculator to find the same result. For example, using an online calculator, we can input the mean (100), standard deviation (15), and the lower and upper limits (85 and 130) and obtain a probability of 0.8185, or 81.85%.

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a slice of cheese is cut from a wheel of parmesan, and the wedge approximates the shape of a rectangular pyramid. its base is 4 cm wide and 9 cm long. the wedge is 21 cm tall. what is the volume of the piece of cheese?(1 point)

Answers

The volume of the piece of cheese is 252 cubic centimeters (cm³).

What is rectangle?

A rectangle is a geometric shape that has four sides and four right angles (90 degrees) with opposite sides being parallel and equal in length. It is a type of quadrilateral, a polygon with four sides. The length of the sides that are parallel to each other is called the base, and the length of the sides that are perpendicular to the base is called the height.

The volume of a rectangular pyramid is given by the formula:

V = (1/3) * base area * height

The base area of the wedge is 4 cm * 9 cm = 36 cm².

Substituting the given values into the formula, we have:

V = (1/3) * 36 cm² * 21 cm = 252 cm³

Therefore, the volume of the piece of cheese is 252 cubic centimeters (cm³).

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Graph y=1/5x+3

Identify the x-intercept

Answers

Answer:

To find the x-intercept of the line y = (1/5)x + 3, we need to set y to zero and solve for x, since the x-intercept is the point where the line crosses the x-axis.

0 = (1/5)x + 3

Subtracting 3 from both sides:

-3 = (1/5)x

Multiplying both sides by 5:

-15 = x

Therefore, the x-intercept of the line y = (1/5)x + 3 is at the point (-15, 0).

the x intercept is -15 i think

let f (x) represent a function.

drag and drop the answers into the boxes to correctly match the descriptions with the given transformations.

Answers

The two transformations are:

f(x + 5/4)   this is a translation of 5/4 units to the left.f(x) - 5/4  this is a translation of 5/4 units down.How to identify the transformations?

For a function f(x) we define:

Vertical translation of N units as:

g(x) = f(x) + N

if N > 0, the translation is up.

if N <0, the translation is down.

Horizontal translation of N units as:

g(x) = f(x + N)

if N > 0, the translation is to the left.

if N <0, the translation is to the right.

Here we have two transformations:

f(x + 5/4)   this is a translation of 5/4 units to the left.

f(x) - 5/4  this is a translation of 5/4 units down.

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if the average value of a continuous function f on the interval −2 4 is 12 what is ∫4−2f(x)8 dx

Answers

The value of the integral ∫[4,-2] f(x) 8dx is -576.

If the average value of a continuous function f on the interval [−2, 4] is 12

∫ 4−2 f(x) 8 dx = 12 (4 - (-2) )

∫ 4−2 f(x) 8 dx =  72

The integral of ∫ [4,-2] f (x) 8dx is constant value

∫ [4,-2] f (x) 8 dx = 8 ∫ [4,-2] f (x) dx

we already know that ∫ [-2,4] f (x) dx = 72

The integral over the interval [4,-2] by using the property of definite integrals

∫ [a, b] f (x) dx = -∫ [b, a] f (x) dx

∫ [4,-2] f (x) dx = -∫ [-2,4] f (x) dx = -72

Putting value back into the original expression, we get:

∫ [4,-2] f (x) 8dx = 8 ∫ [4,-2] f (x) dx = 8(-72) = -576

The value of the integral ∫ [4,-2] f (x) 8dx is -576.

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what is the straight line distance (meters) from sheehan lake (point a) to the small lake (point b)?

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The straight line distance (meters) from sheehan lake (point a) to the small lake (point b) is 1700 m .

The sheehan lake (point A) is at 2000 m .

The small lake ( point B) is at 3700 m .

Distance between the two lake can be calculated by finding the difference between lakes .

To find the distance between sheehan lake and small lake = point B - point A .

Distance =  3700 - 2000

Distance = 1700 m .

The distance (meters) from sheehan lake (point a) to the small lake (point b) is 1700 m .

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The question is incomplete the complete question is :

Find the quadratic equation.

Answers

The quadratic equation of the graph is:

x² - 4x = 0

How to find the quadratic equation from the graph?

The quadratic equation of a quadratic graph can be found by check the points where the curve cuts or intersect the x-axis. These two x values can then be used to form the quadratic equation.

Looking at the graph, you will notice that the graph cuts the x-axis at points x = 0 and x = 4 (Check the red circles in the attached image). We will then form the equation the x values as follow:

x = 0 and x = 4

x - 0 = 0 and x - 4 = 0

Combining them and simplifying:

(x - 0)(x - 4) = 0

x(x - 4) = 0

x² - 4x = 0

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Sosssssss math problem

Answers

Answer:

22

Step-by-step explanation:

whats ur question

in a simple frugal economy the consumption function is c = 200 0.8y, and exogenous desired investment is 100. equilibrium aggregate output/income (y*) for this economy is

Answers

The equilibrium aggregate output or income (y*) for this frugal economy is 1500.

In a simple frugal economy, the consumption function is given as c = 200 + 0.8y, where c represents consumption and y represents income. The exogenous desired investment is given as 100. To find the equilibrium aggregate output or income (y*), we need to equate the total output (Y) to the total expenditure (E) in the economy.
Y = C + I     (where C represents consumption and I represents investment)
Substituting the values given in the problem, we get:
Y = (200 + 0.8y) + 100
Simplifying the equation, we get:
Y = 300 + 0.8y
Now, to find the equilibrium output or income, we need to solve for y such that Y = y.
Y = y
300 + 0.8y = y
Solving for y, we get:
y* = 1500
Therefore, the equilibrium aggregate output or income (y*) for this frugal economy is 1500.

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On a recent statewide math test, the raw score average was 56 points with a standard deviation of 18. If the scores were normally distributed and 24,000 students took the test, answer the following questions. (d) How many of the 24,000 students receive a scaled score greater than a 90%?

Answers

To find the number of students who scored higher than a 90%, we first need to convert the 90% score to a z-score using the formula z = (x - μ) / σ, where x is the score we want to convert, μ is the mean, and σ is the standard deviation.

z = (90 - 56) / 18 = 1.89

Using a standard normal distribution table or calculator, we can find that the percentage of students who scored higher than a z-score of 1.89 is 3.22%.

So, the number of students who scored higher than a 90% would be:

0.0322 x 24,000 = 773.28

Rounding to the nearest whole number, we can say that approximately 773 students received a scaled score greater than a 90%.

whats the range of
45, 76, 98, 21, 52, 39

Answers

Answer:

Range is 77

Step-by-step explanation:

The range of a data set is the difference between the largest and smallest values.

The largest value is 98 and the smallest value is 21, so the range is:

98 - 21 = 77

Therefore, the range of the data set 45, 76, 98, 21, 52, 39 is 77.

a dairy farmer is interested in knowing the true mean april 2023 retail whole milk price ($/gallon) for all us cities. previous studies have shown the standard deviation of the milk prices is $0.60. determine the number of cities that must be sampled in order to estimate the true mean within $.10 with 95% confidence.

Answers

The dairy farmer needs to sample at least 139 cities to estimate the true mean April 2023 retail whole milk price within $0.10 with 95% confidence.

To estimate the true mean April 2023 retail whole milk price with a margin of error of $0.10 and 95% confidence, a dairy farmer can use the sample size formula for estimating population means. The formula is:
n = (Z² × σ²) / E²
where n is the sample size, Z is the z-score corresponding to the desired confidence level, σ is the standard deviation of the population, and E is the margin of error.
For a 95% confidence level, the z-score (Z) is 1.96. The standard deviation (σ) of milk prices is $0.60, and the margin of error (E) is $0.10. Plugging these values into the formula, we get:
n = (1.96² × 0.60²) / 0.10²
n = (3.8416 × 0.36) / 0.01
n ≈ 138.56
Since the sample size must be a whole number, we round up to the nearest whole number to ensure the desired level of accuracy. Therefore, the dairy farmer needs to sample at least 139 cities to estimate the true mean April 2023 retail whole milk price within $0.10 with 95% confidence.

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1 bag of takis cost 2.25 dollars and 1 soda cost 1.50 dollars. if he buy 16 total items and spend 30.75 dollars,how many bags of takis did he buy and how many sodas did he bug

Answers

The bags of takis did he bought is 9 and number of sodas is 7

Given data ,

1 bag of takis cost 2.25 dollars and 1 soda cost 1.50 dollars.

Now , total number of items = 16

And total amount spend = $ 30.75

The total number of items bought is 16, so we have the equation:

x + y = 16 (equation 1)

The total amount spent is $30.75, so we have another equation:

2.25x + 1.50y = 30.75 (equation 2)

Multiply equation 1 by 1.50 to make the coefficients of y the same

1.50(x + y) = 1.50(16)

1.50x + 1.50y = 24 (equation 3)

Subtract equation 3 from equation 2 to eliminate y:

(2.25x + 1.50y) - (1.50x + 1.50y) = 30.75 - 24

0.75x = 6.75

x = 6.75 / 0.75

x = 9

Substitute the value of x into equation 1 to find y:

9 + y = 16

y = 16 - 9

y = 7

Hence , the person bought 9 bags of Takis and 7 sodas

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If the price elasticity of demand for commuter rail is less than 1, in order to raise revenue to cover the rising cost of providing commuter train service, the authority would ..... A. increase the fare for the commuters B. decrease price (the fare) of the commuters C. provide less numbers of trains for the commuters D. provide more frequent trains for the commuters

Answers

If the price elasticity of demand for commuter rail is less than 1, in order to raise revenue to cover the rising cost of providing commuter train service, the authority would:
A. increase the fare for commuters

This is because a decrease in price would not lead to a significant increase in demand, so the authority cannot rely on attracting more commuters. However, providing more frequent trains could potentially increase demand and revenue, but this would also increase the cost of providing the service. Providing fewer numbers of trains would lead to a decrease in demand and revenue.

When the price elasticity of demand is less than 1, it means that the percentage change in quantity demanded is less than the percentage change in price. Therefore, an increase in price will result in a smaller decrease in the quantity demanded. This implies that commuters are less sensitive to changes in fares and are willing to pay more to use the service. Hence, increasing the fare will result in higher revenue for the authority, which can be used to cover the rising cost of providing the service.

Alternatively, decreasing the fare or providing less number of trains would lead to a decrease in revenue for the authority, which would exacerbate the issue of covering the rising cost of providing the service. Providing more frequent trains may attract more commuters, but it would also increase the cost of providing the service. Therefore, increasing the fare is the best option for the authority to generate more revenue and cover the cost of providing commuter train service.

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A closet has 9 jeans and 6 skirts. What is the ratio of jeans to skirts?

Answers

Answer:

3 : 2

Step-by-step explanation:

the ratio of jeans : skirts is

9 : 6 ( divide both parts by 3 )

= 3 : 2 ← in simplest form

ANSWER

The ratio of jeans to skirts is 3:2


SOLUTION

This can be found by dividing the number of jeans by the number of skirts

ratio of jeans to skirts = number of jeans / number of skirtsratio of jeans to skirts = 9 / 6

Simplifying this ratio by dividing both the numerator and denominator by 3ratio of jeans to skirts = 3 / 2

3:2

three airlines serve a small town in ohio. airline a has 53% of all scheduled flights, airline b has 32% and airline c has the remaining 15%. their on-time rates are 82%, 64%, and 36%, respectively. a flight just left on-time. what is the probability that it was a flight of airline a?

Answers

The probability that it was a flight of airline A is equal to approximately 0.6268, or about 62.68%

Let A, B, and C be the events that a flight is operated by airlines A, B, and C, respectively.

And let O be the event that a flight is on-time.

The conditional probability of A given O is equal to P(A|O).

Using Bayes' theorem, we have,

P(A|O) = P(O|A) × P(A) / P(O)

where P(O|A) is the probability that a flight of airline A is on-time.

P(A) is the probability that a flight is operated by airline A.

And P(O) is the probability that a flight is on-time regardless of which airline operates it.

Calculate these probabilities as follows,

P(O|A) = 0.82, the on-time rate of airline A

P(A) = 0.53, the proportion of flights operated by airline A

P(O) = P(O|A) × P(A) + P(O|B) × P(B) + P(O|C) × P(C)

       = 0.82 × 0.53 + 0.64 × 0.32 + 0.36 × 0.15

       = 0.6934

Plugging in these values, we get,

P(A|O) = 0.82 × 0.53 / 0.6934

Simplifying it,

P(A|O) = 0.6268

Therefore, the probability that the on-time flight that just left was operated by airline A is approximately 0.6268, or about 62.68%.

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Consider the set of square matrices with zeros any possible values off the diagonal along their diagonal, but (a) For the 2-by-2 case, how many of the 2 terms of the determinant must be zero if 0? a11 a22 (b) For the 3-by-3 case, how many of the 6 terms of the determinant must be zero if al a22 = a33=0? (c) For the 4-by-4 case, how many of the 24 terms of the determinant must be zero if 0? a22 = a33 a11 a44

Answers

Two of the diagonal elements being zero will result in the determinant being zero.

For square matrices of size n, with zeros anywhere possible off the diagonal and along their diagonal, we call these diagonal matrices.

(a) For the 2-by-2 case, the determinant of a 2-by-2 diagonal matrix is given by:

det(A) = a11 a22

If a11 or a22 is zero, then the determinant is zero. Therefore, if one of the diagonal elements is zero, the determinant will be zero.

(b) For the 3-by-3 case, the determinant of a 3-by-3 diagonal matrix is given by:

det(A) = a11 a22 a33

If a11, a22, or a33 is zero, then the determinant is zero. Therefore, if one of the diagonal elements is zero, the determinant will be zero.

(c) For the 4-by-4 case, the determinant of a 4-by-4 diagonal matrix is given by:

det(A) = a11 a22 a33 a44

If a11, a22, a33, or a44 is zero, then the determinant is zero. Therefore, if one of the diagonal elements is zero, the determinant will be zero.

If a22 and a33 are both zero, then the determinant of the 4-by-4 matrix is given by:

det(A) = a11 * 0 * 0 * a44 = 0

Therefore, two of the diagonal elements being zero will result in the determinant being zero.

In general, for an n-by-n diagonal matrix, if k diagonal elements are zero, then the determinant is zero if k > n-1, and non-zero if k ≤ n-1.

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n problems 15–24, solve for y1s2, the laplace transform of the solution y1t2 to the given initial value problem.

Answers

we obtain the Laplace transform of the solution y1s2 to the initial value problem.

A general explanation of Laplace transforms and how they can be used to solve initial value problems.

The Laplace transform is a mathematical tool that allows us to transform a function of time (such as a differential equation) into a function of a complex variable s (called the Laplace variable). The Laplace transform of a function f(t) is defined as:

F(s) = L{f(t)} = ∫[0, ∞) f(t) e^(-st) dt

where s is a complex number of the form s = σ + iω, and σ and ω are real numbers. The Laplace transform has many properties that make it useful for solving differential equations, such as linearity, differentiation, and integration rules.

To solve an initial value problem using Laplace transforms,

we first take the Laplace transform of both sides of the differential equation, and use the linearity property to simplify the equation into a simpler algebraic equation involving the Laplace transforms of the unknown function.

We then solve this algebraic equation for the Laplace transform of the unknown function, and finally take the inverse Laplace transform to obtain the solution in the time domain.

The initial conditions of the problem are also taken into account by using the properties of the Laplace transform to express the initial conditions in terms of the Laplace transform of the function.

By solving the algebraic equation for the Laplace transform of the function with the initial conditions, we obtain the Laplace transform of the solution y1s2 to the initial value problem.

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please help
A survey is taken at a movie theater in Winterville. The first 150 people who entered the theater were asked about their favorite type of movie. What is true about this situation?

The population is the first 150 people at the theater, and the sample is the total number of people who go to the movie theater.
The population is the number of people who go to the movie theater, and the sample is the number of people in the town of Winterville.
The population is the total number of people who go to the movie theater, and the sample is the first 150 people at the theater.
The population is the number of people in the town of Winterville, and the sample is the number of people who go to the movie theater.

Answers

The population is the total number of people who go to the movie theater, and the sample is the first 150 people at the theater is correct.

In this situation, the population refers to the entire group of individuals that are of interest to the survey. In this case, the population is the total number of people who go to the movie theater. The sample, on the other hand, refers to a subset of the population that is actually observed and surveyed. In this case, the sample is the first 150 people who entered the theater and were asked about their favorite type of movie.

It is important to note that the sample should be representative of the population in order to draw valid conclusions from the survey. This means that the individuals in the sample should be selected in a way that reflects the characteristics of the population as a whole.

In summary, the population in this situation is the total number of people who go to the movie theater, and the sample is the first 150 people at the theater who were asked about their favorite type of movie.

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Find the value of c.
25 ft
C=
с
Perimeter = 60 feet
feet
15 ft

Answers

I got you, don’t worry.

This triangle is a right triangle, which means you can use trigonometric ratios to find the value of c. Or you can use the pythagorean theorem. I will show you both ways will give you the same answer.

Pythagorean theorem:
States that a ² + b² = c².

c²= hypotenuse or the longest side of the right triangle.

a ²= a leg any (not hypotenuse)

b ²= a leg (not hypotenuse

Values we have:

b = 15
a= 25

Ignore the leg that says c because they are trying to confuse you by putting the leg as c.

C is typically the hypotenuse

When i put c ² in the equation im talking about the hypotenuse (25)

Okay lets start:

a ² + b² = c².
15 ²+ x= 25

225+b ²= 625
-225 -225

b ²=400

Now take the square root of 400

It equal 20.

So the value c= 20. (Your answer)

I hope this helps. :)


What is the best approximation of the solution to the equations that these two lines represent?

Number graph that ranges from negative seven to eight on the x and y axes. A line passes through (zero, three) and has a negative slope. A second line passes through (zero, zero) and (two, one).

Responses

(1.5, 3)
(1.5, 3)

(0, 3)
(0, 3)

(3, 1.5)
(3, 1.5)

(3, 3)

Answers

The solution to the equations that these two lines represent the point of intersection is approximately (1.5, 3). A.

To determine the best approximation of the solution to the given equations, let's analyze the information provided.

We have two lines:

This line passes through the point (0, 3) and has a negative slope.

This line passes through the points (0, 0) and (2, 1).

The solution, we need to determine the point at which these two lines intersect.

Let's examine the lines individually:

Given that the slope is negative, we know that as x increases, y decreases.

Since the line passes through (0, 3), we can conclude that the line will pass through (1.5, 0) as x increases by 1.5 units.

We can find the slope of this line using the two given points.

The slope (m) is given by the formula:

m = (y2 - y1) / (x2 - x1)

Using (0, 0) and (2, 1) as the points:

m = (1 - 0) / (2 - 0) = 1 / 2 = 0.5

Thus, the slope of Line 2 is 0.5.

Given that the line passes through (0, 0), we can see that as x increases by 2 units, y increases by 1 unit.

Now, to determine the point of intersection, we need to find where the x-coordinates of Line 1 and Line 2 are equal.

From our analysis, we can observe that as x increases by 1.5 units, Line 1 will have y = 0, and Line 2 will have y = 1.

The provided responses exactly match the solution we derived.  

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Acellus
Georg predicted that he would find 24 bags
of chocolate chips at the grocery store.
However, he only found 23 bags. What was
Georg's percent error?
Round to the nearest percent.

Answers

Georg's percent error is 4.30%.

The predicted value is 24 bags, and the actual value is 23 bags.

To find the percent error, we need to find the absolute value of the difference between the predicted value and the actual value, divide that by the predicted value, and multiply by 100 to get a percentage.

percent error = |(predicted value - actual value) / actual value| x 100%

Substituting the given values, we get:

percent error = |(24 - 23) / 23| x 100%

percent error = |1 / 23| x 100%

percent error = 4.3478%

Therefore, Georg's percent error is 4.30%.

Learn more about the percent error here :

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