Consider the following statement: If 4x = 8, then x = 2. What is the inverse to this statement?
O If x2, then 4x*8
O If x=2, then 4x = 8
O If 4x8, then x*2
O If x=2, then 4x*8

Answers

Answer 1

Answer: Its the last one

Step-by-step explanation:


Related Questions

Lena, Alan, and Bill sent a total of 104 text messages over their cell phones during the weekend. Lena sent 8 fewer messages than Alan. Bill sent 2 times as many messages as Lena. How many messages did they each send?

Answers

So, Lena sent 24 messages, Alan sent 32 messages, and Bill sent 48 messages.

Let's denote the number of messages Lena, Alan, and Bill sent as L, A, and B, respectively. We are given the following information:

L + A + B = 104 (Total messages)

L = A - 8 (Lena sent 8 fewer messages than Alan)

B = 2L (Bill sent 2 times as many messages as Lena)

Now, we'll use the second equation to express A in terms of L:

A = L + 8

Next, substitute the expressions for A and B from equations 2 and 3 into equation 1:

L + (L + 8) + 2L = 104

Combine like terms:

4L + 8 = 104

Subtract 8 from both sides:

4L = 96

Divide by 4:

L = 24

Now that we have the number of messages Lena sent, we can find the number of messages Alan and Bill sent:

A = L + 8 = 24 + 8 = 32

B = 2L = 2 * 24 = 48

what does the equal 2,000,005,679,876=?

Answers

Answer:

N/A

Step-by-step explanation:

If you're looking for a significance or interpretation of the number 2,000,005,679,876, it's just a number. Unless utilized in a certain mathematical, financial, or another applicable context, it has no meaning or relevance. It is a big number with thirteen digits that can signify a quantity, amount, or value in a variety of scenarios depending on the context.

pls help (show work)​

Answers

Step-by-step explanation:

okay as we know a circle is a quarter 360° in total therefore all you have to do is say 360° multiplied by 165

If you know the length of the longer leg of a 30-60-90 triangle, how do you find the length of the other, shorter leg?

Answers

As per the triangle, the length of the other, shorter leg is 3.46 units.

We know that a is twice the length of b, so we can write:

a = 2b

We also know that c is the square root of three times b, or:

c = √3b

Now, let's say we're given the length of the longer leg, a. We can use our equation a = 2b to solve for b:

a = 2b

b = a/2

So, we know that the shorter leg is half the length of the longer leg. For example, if a is 8, then b is 4.

To double-check our answer, we can use the equation for the hypotenuse:

c = √3b

c = √3(4)

c = 2√3 = 3.46

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The point (2, 3) is plotted on the coordinate plane.

Plot four points with integer coordinates that are each 3 units away from (2, 3). ​

Answers

A graph of four points with integer coordinates that are each 3 units away from (2, 3) is shown in the image attached below.

What is a translation?

In Mathematics and Geometry, the translation of a graph to the left simply means subtracting a digit from the value on the x-coordinate of the pre-image while the translation of a graph downward simply means subtracting a digit from the value on the y-coordinate (y-axis) of the pre-image.

In Mathematics and Geometry, a horizontal translation to the left is modeled by this mathematical equation g(x) = f(x + N).

Where:

N represents an integer.g(x) and f(x) represent functions.

In order to write an equation that models the four points with integer coordinates that are each 3 units away from (2, 3), we would have to apply a set of translation to f(x) by 3 units:

A (5, 3)

B (-1, 3)

C (2, 6)

D (2, 0)

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A prism has a pentagonal base. The area of the pentagon is 45 cm up 2, the height of the prism is 13 cm. Find the volume of the prism.

Answers

The volume of the prism is approximately 4519.16 cubic centimeters.

We have,

To find the volume of the prism, we need to multiply the area of the base by the height.

The area of a regular pentagon can be found using the formula:

[tex]$A = \frac{5}{4} s^2 \cot(\frac{\pi}{5})$[/tex]

where s is the length of the side of the Pentagon.

We are given that the area of the pentagon is 45 cm².

Solving for s:

[tex]$45 = \frac{5}{4} s^2 \cot(\frac{\pi}{5})$\\[/tex]

[tex]$s^2 = \frac{4}{5} \cdot \frac{45}{\cot(\frac{\pi}{5})}$\\[/tex]

[tex]$s^2 \approx 28.478$\\[/tex]

[tex]$s \approx 5.334$[/tex]

Now that we know the length of a side of the pentagon, we can find the area of the base of the prism:

[tex]$A_{base} = 5 \cdot \frac{1}{2} s \cdot h$[/tex]

[tex]$A_{base} = 5 \cdot \frac{1}{2} \cdot 5.334 \cdot 13$[/tex]

[tex]$A_{base} \approx 346.935$[/tex]

Finally, we can find the volume of the prism:

[tex]$V = A_{base} \cdot h$[/tex]

[tex]$V = 346.935 \cdot 13$[/tex]

[tex]$V \approx 4519.16$[/tex]

Therefore,

The volume of the prism is approximately 4519.16 cubic centimeters.

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Sally is 6ft tall there is a lamppost 15ft away from her and a building 45ft away from her how tall is the building

Answers

If Sally is 6ft tall there is a lamppost 15ft away from her and a building 45ft away from her, the building is 12ft tall.

We can use similar triangles to solve this problem. Let's assume that Sally's height is represented by the vertical line segment AB, the height of the building is represented by the vertical line segment CD, and the lamppost is represented by the point E.

We know that the distance between Sally and the lamppost is 15ft and the distance between Sally and the building is 45ft.

To find the height of the building, we need to find the length of the line segment CD. We can use the property of similar triangles that states that the ratio of corresponding sides in two similar triangles is equal.

Let's form two right triangles by drawing line segments AE and AC. We know that triangle ABE and triangle ABC are similar. We can set up a proportion as follows:

AB/AC = BE/BC

Substituting the known values, we get:

6/45 = x/15

Simplifying the equation, we get:

x = 2

Therefore, the height of the building is 2 times Sally's height, or:

2 * 6ft = 12ft

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Clara is taking a medicine for a common cold. The table below shows the amount of medicine f(t), in mg, that was present in Clara's body after time t:


t (hours) 1 2 3 4 5
f(t) (mg) 236.5 223.73 211.65 200.22 189.41


Heidi was administered 300 mg of the same medicine. The amount of medicine in her body f(t) after time t is shown by the equation below:

f(t) = 300(0.946)t

Which statement best describes the rate at which Clara's and Heidi's bodies eliminated the medicine?

Answers

Heidi's rate of elimination is also decreasing over time, but at a slower rate than Clara's which decreases exponentially over time

Given data ,

Let the exponential equation be represented as A

Now , the value of A is

f(t) = 300(0.946)^t

For Clara, we can calculate the rate of elimination by finding the difference in the amount of medicine present between two consecutive time points, and dividing by the time elapsed:

From t=1 to t=2: f(2) - f(1) = 223.73 - 236.5 = -12.77 mg

Rate of elimination = -12.77 mg / (2-1) hours = -12.77 mg/hour

From t=2 to t=3: f(3) - f(2) = 211.65 - 223.73 = -12.08 mg

Rate of elimination = -12.08 mg / (3-2) hours = -12.08 mg/hour

From t=3 to t=4: f(4) - f(3) = 200.22 - 211.65 = -11.43 mg

Rate of elimination = -11.43 mg / (4-3) hours = -11.43 mg/hour

From t=4 to t=5: f(5) - f(4) = 189.41 - 200.22 = -10.81 mg

Rate of elimination = -10.81 mg / (5-4) hours = -10.81 mg/hour

Hence , this expression tells us that the rate of elimination for Heidi is proportional to the amount of medicine in her body at any given time, and decreases exponentially over time as the amount of medicine decreases

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Simple linear regression results ______ sensitive to mild departures from the underlying assumptions.

Answers

Simple linear regression results are indeed sensitive to mild departures from the underlying assumptions.

The assumptions underlying simple linear regression include:

Linearity:

The relationship between the independent variable (x) and the dependent variable (y) is linear.

Independence: The observations are independent of each other.

Normality:

The residuals (the difference between the observed values of y and the predicted values of y) are normally distributed.

Equal variance (homoscedasticity):

The residuals have equal variance for all values of x.

If any of these assumptions are violated, it can lead to biased and inefficient estimates of the regression coefficients, inaccurate standard errors, and incorrect statistical inference.

Even mild departures from these assumptions can affect the accuracy of the results.

It is important to check for these assumptions and, if necessary, use alternative methods such as robust regression or nonparametric regression to obtain more accurate results.

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The price of bike one year ago was Rs.268000.The current price is Rs.290900.what is the increment percentage?

note answer to the nearest whole number.​

Answers

The percentage increment of the bike is 86%

What is Percentage Increment?

Percentage Increment is the percentage measurement of how much a certain figure changes or increases over time. It is the difference between the final value and the initial value, expressed in the form of a percentage.

How to determine this

When the price of a bike one year ago was Rs.268,000

i.e Initial value = Rs.268,000

The current price is Rs.290,900

i.e final value = Rs.290,900

To calculate the percentage increment

Percentage Increase = Final value - Initial value/Initial value * 100%

Percentage increase = Rs.290,900 - Rs.268,000/Rs.268,000 *100%

Percentage Increase = Rs.22,900/Rs.268,000 *100%

Percentage Increase = 2,290,000/268,000

Percentage Increase = 86%

Therefore, the percentage increment is 86%

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how many 3 digit numbers can we make using the digits 2,3,4,5,6 without repetition

Answers

Answer:

60

Step-by-step explanation:

5x4x3=60 therefor you would get 60 3 digit numbers

a farmer has 350 feet of fencing and wants to construct 3 pig pens by first building a fence around a rectangular region, then subdividing the region into three smaller rectangles by placing two fences parallel to one side of the rectangle. what dimensions of the region maximizes the total area? what is the maximum area?

Answers

To begin solving this problem, we need to determine the dimensions of the rectangular region that the farmer will fence in. Let's say the length of thr uses, is given by the equation:
e rectangle is L and the width is W. The perimeter of the rectangle, which will be the length of fencing the farme
2L + W = 350

Solving for W, we get:

W = 350 - 2L

Next, we need to divide the rectangular region into three smaller rectangles by placing two parallel fences. Let's say the two fences are placed along the length of the rectangle, dividing it into three sections with widths of x, y, and z. Therefore, we have:

L = x + y + z

Now, we can determine the area of the entire fenced-in region by summing the areas of the three smaller rectangles. The area of a rectangle is given by the equation:

Area = Length x Width

Therefore, the total area of the fenced-in region is:

Area = (xW) + (yW) + (zW)

Substituting W = 350 - 2L and L = x + y + z, we get:

Area = (x(350-2(x+y+z))) + (y(350-2(x+y+z))) + (z(350-2(x+y+z)))

Simplifying this equation, we get:

Area = 350(x+y+z) - 2(x^2 + y^2 + z^2)

To maximize the area, we need to take the derivative of this equation with respect to one of the variables (x, y, or z), set it equal to zero, and solve for the variable. This process is too complicated to do by hand, so we will use a calculator or computer program to find the maximum area.

After finding the maximum area, we can determine the dimensions of the region that give us this maximum area. We do this by using the equations we derived earlier:

W = 350 - 2L

L = x + y + z

With the maximum area and these equations, we can solve for the dimensions of the region that give us the maximum area.

In summary, the farmer should fence in a rectangular region with dimensions that maximize the total area of three smaller rectangles created by placing two parallel fences. The maximum area can be found by taking the derivative of the area equation and setting it equal to zero. The dimensions of the region that give us the maximum area can be found by using the equations we derived earlier.

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You and a group of friends are off to have a day of fun! Before you head out on your adventure, you need to choose a mode of transportation to get to your destinations. The four different transportation choices are represented by the functions below. Decide which method of transportation you would like to use for the day. Use your choice to answer the questions that follow.





1. Which mode of transportation did you choose? Why?

Answers

I choose City Bus as mode of transport since from function rule it is clear that the per mile cost for City Bus is lesser than any other transportation.

Option 1: Let the model for Taxi be f(x) = ax + b, where f(x) is total cost and x is number of miles.

From the table of Taxi we get, f(3) = 26.95; f(6) = 28.90; f(9) = 30.85 and f(12) = 32.80.

So, 3a + b = 26.95 and 6a + b = 28.90

So, (6a + b) - (3a + b) = 28.90 - 26.95

3a = 1.95

a = 1.95/3 = 0.65

Now, f(9) = 30.85

9*0.65 + b = 30.85

5.85 + b = 30.85

b = 30.85 - 5.85 = 25

So the model is, f(x) = 0.65x + 25

Option 2: Let the model for City Bus be f(x) = cx + d, where f(x) is total cost and x is number of miles.

From the table of Taxi we get, f(2) = 0.60; f(4) = 1.20; f(6) = 1.80 and f(8) = 2.40.

So, 2a + b = 0.60 and 4a + b = 1.20

(4a + b) - (2a + b) = 1.20 - 0.60

2a = 0.60

a = 0.60/2 = 0.30

Now, f(8) = 2.40

8*0.30 + b = 2.40

2.40 + b = 2.40

b = 2.40 - 2.40 = 0

So the function rule for City Bus is, f(x) = 0.3x.

Option 3: From the graph of Light Rail we can see that for any distance travelled total cost remains same that is 15.

So the function rule for Light Rail will be a constant function is, f(x) = 15

Option 4: Let the model for Motorized Scooter be f(x) = mx + n, where f(x) is total cost and x is number of miles.

From the graph we can see that, f(0) = 5, f(1) = 6, f(3) = 8 etc.

So, n = 5

and m + n = 6

m + 5 = 6

m = 6 - 5 = 1

Hence the function rule for Motorized Scooter is, f(x) = x + 5.

Hence I choose City Bus as mode of transportation as the per mile cost for that transportation mode is less than any other.

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The Phillips curve describes the relationship between... a. The output gap and potential GDP. O b. The money supply and interest rates. C. The unemployment rate and the rate of change of wages. O d. A

Answers

The Phillips curve describes the relationship between the unemployment rate and the rate of change of wages. Option C is the correct option.

What is  Phillips curve?

The relationship between the rate of inflation and the unemployment rate is represented by the Phillips curve. The analysis of wage inflation and unemployment in the United Kingdom from 1861 to 1957 by A. W. H. Phillips, despite having forerunners, is a significant development in the field of macroeconomics. When unemployment was high, wages rose slowly; when unemployment was low, wages rose quickly, according to Phillips' research.

According to Phillips' hypothesis, as the unemployment rate declines, the labor market becomes more competitive and firms are forced to raise wages more quickly in order to recruit qualified workers. The pressure decreased as unemployment rates rose. The average relationship between wage behavior and unemployment over the course of the business cycle was represented by Phillips' "curve."

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B. Solve:
1. If there are 13 yellow balls and 25 brown balls in a jar, what is the probability that Jaide will pick out a brown ball from the jar?
2. From a pack of 52 cards, a card is drawn at random. What is the probability of getting a king?

Answers

Answer:

Step-by-step:

1.The probability of picking a brown ball can be calculated as:

Probability of picking a brown ball = Number of brown balls / Total number of balls

Number of brown balls = 25

Total number of balls = 13 + 25 = 38

Probability of picking a brown ball = 25/38

Probability of picking a brown ball is approximately 0.658 or 65.8%

Therefore, the probability of Jaide picking a brown ball from the jar is approximately 0.658 or 65.8%.

2.There are four kings in a pack of 52 cards (one king for each suit). Therefore, the probability of drawing a king from a pack of 52 cards can be calculated as:

Probability of drawing a king = Number of kings / Total number of cards

Number of kings = 4

Total number of cards = 52

Probability of drawing a king = 4/52

Probability of drawing a king is approximately 0.077 or 7.7%

Therefore, the probability of getting a king when drawing a card at random from a pack of 52 cards is approximately 0.077 or 7.7%.

PLS HELP DUE TODAY!!!!

Answers

The values of the positive intergers a and b is 2 and 3 respectively and the value of 2a+3b is 13.

What is algebraic expression?

An algebraic expression are the expression which consist the variables, coefficients of variables and constants. In the given problem, a and b are positive integers.  The given expression in the problem is: ^2b^3=108.

Let us the hit and trial method to make both the equation equal. For a=1 and b= 1 the expression will be equal to 1. For a =2 and b=3,

(2)^2(3)^3 = 108

(4)(27) = 108

108 = 108

Here, left hand side of the expression is equal to the right hand side of the expression for a =2 and b=3. Thus the value of a and b are,

a = 2

b = 3

The value of the expression we have to find is, 2a+3b. Put the values of a and b in the above expression, we get,

2a+3b = 2^(2)+3^(3)

2a+3b = 4+9

2a+3b = 13

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A survey conducted in 2005 found that the State of Louisiana was the happiest State in the United States. The survey was completed before Hurricane Katrina destroyed most of New Orleans and the surrounding area. The information quality for this survey is probably not:

Answers

The information quality of the survey is not reliable for understanding the current happiness level in the state.

The information quality for this survey is likely outdated and not

representative of the current state of Louisiana, particularly after the

devastating impact of Hurricane Katrina in 2005.

The survey was conducted before the hurricane, which significantly

affected the region, including the mental health and well-being of its

residents.

Thus, the survey's results may not accurately reflect the current level of

happiness or satisfaction among Louisiana residents.

Therefore, the information quality of the survey is not reliable for

understanding the current happiness level in the state.

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Rent expense in Volusia Company's 2014 income statement is $420,000. If Prepaid Rent was $70,000 at December 31, 2013, and is $95,000 at December 31, 2014, the cash paid for rent during 2014 is:A. $480,000B. $445,000C. $395,000D. $420,000

Answers

As per the mentioned informations, the cash paid for rent during 2014 is calculated to be  $395,000. So, the correct  answer is option (C) i.e. $395,000.

To calculate the cash paid for rent during 2014, we need to use the information given in the problem and apply the following formula:

Cash paid for rent = Rent expense + Prepaid rent at the beginning of the period - Prepaid rent at the end of the period

Substituting the values given in the problem, we get:

Cash paid for rent = $420,000 + $70,000 - $95,000

Cash paid for rent = $395,000

Therefore, it can be concluded that the correct answer is (C) $395,000.

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can you please help me with this?

Answers

The number of packs of hot dogs that Aldo bought were 6 packs. The number of packs of buns were 5 packs and the number of hot dogs were 60 hot dogs.

How to find the number of packs ?

Aldo bought the same number of hot dogs as buns. To find the least number of hot dogs and buns for which this is possible, we need to find the least common multiple (LCM) of the pack sizes (10 for hot dogs and 12 for buns).

Packs of hot dogs:

LCM / hot dogs per pack = 60 / 10 = 6 packs

Packs of buns:

LCM / buns per pack = 60 / 12 = 5 packs

Aldo bought 6 packs of hot dogs and 5 packs of buns. The total number of hot dogs he bought is:

6 packs x 10 hot dogs per pack = 60 hot dogs.

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calculate the length of the curve c, defined by r(t) = 〈2 cos(t),2 sin(t)〉 with domain of −π/2 ≤t ≤π/2.

Answers

To calculate the length of the curve defined by r(t) = 〈2 cos(t), 2 sin(t)〉 with the domain -π/2 ≤ t ≤ π/2, we need to find the arc length using the following formula:

Arc length = ∫(from a to b) ||r'(t)|| dt

First, let's find the derivative r'(t) of the given vector function r(t):

r(t) = 〈2 cos(t), 2 sin(t)〉
r'(t) = 〈-2 sin(t), 2 cos(t)〉

Next, find the magnitude ||r'(t)|| of the derivative vector:

||r'(t)|| = √((-2 sin(t))^2 + (2 cos(t))^2)
||r'(t)|| = √(4 sin^2(t) + 4 cos^2(t))

Factor out 4:

||r'(t)|| = √(4(sin^2(t) + cos^2(t)))

Since sin^2(t) + cos^2(t) = 1:

||r'(t)|| = √(4) = 2

Now, we can find the arc length by integrating ||r'(t)|| over the given domain:

Arc length = ∫(from -π/2 to π/2) 2 dt

To integrate, simply multiply the constant by the difference in t:

Arc length = 2(π/2 - (-π/2)) = 2(π) = 2π

So, the length of the curve is 2π.

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When a 99% con interval is calculated instead of a 95% con inter with n being the same, the margin of error will be

Answers

When calculating a confidence interval, the level of confidence chosen determines the range of values within which the true population parameter is expected to fall.

A 95% confidence interval means that if we repeatedly sample from the population and construct confidence intervals, 95% of those intervals will contain the true population parameter.

On the other hand, a 99% confidence interval means that if we repeatedly sample from the population and construct confidence intervals, 99% of those intervals will contain the true population parameter.

The margin of error, which is the amount by which the interval may vary due to sampling error, is directly affected by the level of confidence chosen.

As the level of confidence increases, the margin of error also increases. Therefore, when a 99% confidence interval is calculated instead of a 95% confidence interval with n being the same, the margin of error will be wider.

This means that the range of values within which the true population parameter is expected to fall will be larger with a 99% confidence interval, making the interval less precise but more conservative.

It is important to note that choosing a higher level of confidence comes at the cost of a wider margin of error, which may not always be practical or necessary depending on the research question and context.

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what is the sample size need to reduce the margin of error to 3.1% for a 95% confidence interval given that the proportion is unknown.

Answers

We need a sample size of at least 753 to reduce the margin of error to 3.1% for a 95% confidence interval when the proportion is unknown.

To determine the sample size needed to reduce the margin of error to 3.1% for a 95% confidence interval when the proportion is unknown, we need to use the following formula:

n = (Z^2 * p * (1-p)) / E^2

Where:

n = sample size
Z = Z-score for the desired confidence level (95% confidence corresponds to a Z-score of 1.96)
p = proportion (since it's unknown, we use 0.5 to get the maximum sample size)
E = margin of error (in decimal form)

Plugging in the given values, we get:

n = (1.96^2 * 0.5 * (1-0.5)) / 0.031^2
n = 752.61

Therefore, we need a sample size of at least 753 to reduce the margin of error to 3.1% for a 95% confidence interval when the proportion is unknown.


To determine the sample size needed to reduce the margin of error to 3.1% for a 95% confidence interval when the proportion is unknown, you can use the formula for sample size calculation in a proportion estimation:

n = (Z^2 * p * (1-p)) / E^2

Here,
- n is the sample size
- Z is the Z-score corresponding to the desired confidence level (1.96 for a 95% confidence interval)
- p is the proportion, which is unknown (since we don't know the proportion, we use the most conservative estimate, p=0.5)
- E is the margin of error (0.031 for 3.1%)

Now, let's plug in the values:

n = (1.96^2 * 0.5 * (1-0.5)) / 0.031^2
n = (3.8416 * 0.5 * 0.5) / 0.000961
n = 1.0004 / 0.000961
n ≈ 1040.58

Since we cannot have a fraction of a participant, you should round up to the nearest whole number. Therefore, you would need a sample size of 1,041 to reduce the margin of error to 3.1% for a 95% confidence interval when the proportion is unknown.

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A sample size of at least 754 is needed to reduce the margin of error to 3.1% for a 95% confidence interval when the population proportion is unknown.

The formula for calculating the sample size needed to estimate a population proportion with a specified margin of error at a certain level of confidence is:

[tex]$n = \frac{z^2 \cdot p \cdot (1-p)}{E^2}$[/tex]

where:

n is the sample size needed

z is the critical value of the standard normal distribution corresponding to the desired level of confidence (for a 95% confidence interval, z = 1.96)

p is the estimated proportion of the population (since the proportion is unknown, we will use the conservative estimate of 0.5 to obtain the maximum possible sample size)

E is the desired margin of error (in decimal form)

Substituting the given values, we get:

[tex]$n = \frac{1.96^2 \cdot 0.5 \cdot (1-0.5)}{0.031^2} \approx 753.68$[/tex]

Therefore, a sample size of at least 754 is needed to reduce the margin of error to 3.1% for a 95% confidence interval when the population proportion is unknown.

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If a cube that is 8cm long is painted orange and then cut into 1cm cubes how many cubes have exactly 2 sides painted orange

Answers

The solution is: number of cubes are 1120.

Here, we have,

Volume of wood block :

V = (n+5)(n+8)(n+14)

Number of cubes = Volume of wood block/ Volume of small cubes

Number of cubes, N = (n+5)(n+8)(n+14)    ....1)

Number of cubes with on sides painted is :

n = (n+5-2)(n+8-2)(n+14-2)

n = (n+3)(n+6)(n+12)

It is given that :

n = N/2

(n+3)(n+6)(n+12) = (n+5)(n+8)(n+14)/2

Solving above equation, we get :

n = 2

Putting value of n in equation 1, we get :

N = (2+5)(2+8)(2+14)

N = 7×10×16

N = 1120  cubes

Therefore, number of cubes are 1120.

Hence, this is the required solution.

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complete question:

A block of wood is in the shape of a rectangular prism with dimensions n+5 cm, n+8 cm, and n+14 cm. All faces of the block are painted, and then the block is cut into 1cm cubes using parallel cuts to each face. If exactly half of the cubes have no paint on them, find the total number of cubes.

what’s the answer to this? I need help pls ease

Answers

die

Step-by-step explanation:

can someone help me PLEASE BE CORRECT
The box plot represents the number of tickets sold for a school dance.

A horizontal line labeled Number of Tickets sold that starts at 11, with tick marks every one unit up to 25. The graph is titled Tickets Sold for A Dance. The box extends from 17 to 20 on the number line. A line in the box is at 19. The lines outside the box end at 12 and 24.

Which of the following is the appropriate measure of variability for the data, and what is its value?

The IQR is the best measure of variability, and it equals 3.
The range is the best measure of variability, and it equals 12.
The IQR is the best measure of variability, and it equals 12.
The range is the best measure of variability, and it equals 3.

Answers

The IQR is the best measure of variability, and it equals 3.

The appropriate measure of variability for the data in the box plot is the interquartile range (IQR), which is a measure of the spread of the middle 50% of the data.

From the box plot, we can see that the lower quartile (Q1) is located at 17, the upper quartile (Q3) is located at 20, and the median is located at 19. The IQR can be calculated as the difference between the upper and lower quartiles:

IQR = Q3 - Q1 = 20 - 17 = 3

Therefore, the IQR is 3 and it is the best measure of variability for the given data. The range, which is the difference between the maximum and minimum values (24 - 12 = 12), is not the best measure of variability in this case because it is affected by extreme values that may not be representative of the typical spread of the data.

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Solve for x. Round your answer to the nearest tenth and type it in the blank without "x=".

Answers

Answer:

13.5

Step-by-step explanation:

We can solve for x using the side splitter theorem, assuming that the two triangles' bases are parallel.

[tex]\dfrac{\text{segment of left side}}{\text{left side}} = \dfrac{\text{segment of right side}}{\text{right side}}[/tex]

↓ plugging in the lengths given in the diagram

[tex]\dfrac{4}{4 + 5} = \dfrac{6}{x}[/tex]

     [tex]\dfrac{4}{9} = \dfrac{6}{x}[/tex]

↓ cross-multiplying

[tex]4x = 9(6)[/tex]

[tex]4x = 54[/tex]

↓ dividing both sides by 4

[tex]x = 13.5[/tex]

show that,for all value for x

(2x-1)(x+2)(3x-1)=6x^3+7x^2-9x+2

Answers

Answer:

Therefore, the answer is: (2x-1)(x+2)(3x-1)=6x^3+7x^2-9x+2

Step-by-step explanation:

To prove that (2x-1)(x+2)(3x-1)=6x^3+7x^2-9x+2 for all values of x, we can simply expand the left-hand side of the equation and simplify it to match the right-hand side.

Expanding the left-hand side using the distributive property, we get:

(2x-1)(x+2)(3x-1) = (2x^2+3x-2)(3x-1)

= 6x^3 + 7x^2 - 9x + 2

This matches the right-hand side of the equation, so we have proven that (2x-1)(x+2)(3x-1)=6x^3+7x^2-9x+2 for all values of x.

identify the values of a, h, and k in the given function, and choose the correct transformation.

Answers

The correct transformation is - "a is a stretch by a factor of 5, while h moves the graph to the left by 6, and k moves the graph up by 7".

Explain about the algebraic transformation:

A point, line, or geometric figure can be transformed in one of four ways, each of which affects the shape and/or location of the object. Pre-Image refers to the object's initial shape, and Image, after transformation, refers to the object's ultimate shape and location. Every point in a reflection is equally spaced from a fixed line

The line of symmetry is another name for this curve. The Image and Pre-Image share the same size in a reflection.

General form for the member of the reciprocal family:

y = a /(x - h) + k  ..eq 1

For the given function:

y = 5/(x + 6) + 7 ...eq 2

On comparing eq 1 and eq 2

a = 5

h = -6

k = 7

Now,

As, -6 is added to the x value, it shows the shift to left on x axis.5 is multiplied with the value of x, which represents the stretch with factor.At last 7 is added to the function, shows that there is a upward shift by unit 7.

Thus, the correct transformation is - "a is a stretch factor of 5, while h moves the graph to the left by 6, and k moves the graph up by 7".

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A teacher was interested in the subject that students preferred in a particular school. He gathered data from a random sample of 100 students in the school and wanted to create an appropriate graphical representation for the data.

Which graphical representation would be best for his data?

Stem-and-leaf plot
Histogram
Circle graph
Box plot

Answers

The circle graph would be the best graphical representation for the given scenario as it effectively shows the proportion of students who preferred each subject.

Which graphical representation would be best for his data?

For the given scenario where the teacher gathered data from a random sample of 100 students in a particular school and wants to represent the preferred subject of the students, the most appropriate graphical representation would be a circle graph or a pie chart.

A circle graph is a circular chart that is divided into sectors, where each sector represents a portion of the whole.

In this case, each sector can represent the percentage or number of students who preferred a particular subject. The circle graph is suitable when we want to show the proportion of different categories or data that add up to a whole.

On the other hand, a stem-and-leaf plot, histogram, and box plot are usually used to represent quantitative data, such as measures of central tendency (mean, median, mode), range, and distribution.

They are not ideal for categorical data like the preferred subject of students.

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The list shows the numbers of hours 5 employees worked at a store.

14 23 26 40 26

What is the mean of the numbers of hours worked by the employees?

Enter your answer as a decimal in the box provided.

Answers

Therefore, 25.8 hours per employee each week is the mean number of hours worked.

What does that mean?

The mean in mathematics is the average value among a group of numbers. It is calculated by adding up all of the set's numbers, then dividing the result by the total number of numbers in the set.

You may calculate the mean, for instance, if you have the set of numbers 2, 4, 6, and 8, by adding them all together and dividing by the total number of numbers:

(2 + 4 + 6 + 8) / 4 = 20 / 4 = 5

Consequently, 5 is the mean of these numbers.

In this instance, a store employed 5 workers for varying shifts. The list displays each individual's hours worked.

14 23 26 40 26

We add up all of these numbers and divide by the total number of numbers to determine the mean:

(14 + 23 + 26 + 40 + 26) / 5

= 129 / 5 mean of the numbers of hours worked by the employees = 25.8

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