Answer:
it is the answer check out.
Step-by-step explanation:
I hope it can help you
Use the given confidence interval to find the margin of error and the sample proportion.
(0.764,0.790)
Answer:
If the core of the sun is ~15 million kelvin why do we say the blackbody temperature of the sun is ~5800 kelvin?
Step-by-step explanation:
Give each trig ratio as a fraction in simplest form
Roger is training for the upcoming track season and records the number of miles that he runs each day for 20 days: 2.5, 0.5, 3.5, 4, 1.5, 5, 2, 2.5, 0.5, 4, 4.5, 3, 1.5, 1, 0.5, 2.5, 3, 5, 2.5, 0.5, 4, 4.5, 2, 4 which dotplot displays the data correctly? a dotplot titled roger apostrophe s training. a number line labeled miles run goes from 0.5 to 5 in increments of 0.5. 0.5, 4; 1, 1; 1.5, 2; 2, 2; 2.5, 3; 3, 2; 3.5, 0; 4, 3; 4.5, 2; 5, 1. a dotplot titled roger apostrophe s training. a number line labeled miles run goes from 0 to 3.5. 0, 4; 2.5, 3; 4, 3; 1.5, 2; 2, 2; 3, 2; 4.3, 2; 1, 2; 5, 1; 3.5, 0. a dotplot titled roger apostrophe s training. a number line labeled miles run goes from 0 to 5. 0, 4; 1, 1; 1.5, 2; 2, 2; 2.5; 3, 3, 2; 4, 3; 4.5, 2; 5, 1.
By examining the dotplot, you can see the frequency and distribution of the miles run by Roger. For example, there are 4 instances where Roger ran 0.5 miles, 3 instances where he ran 4 miles, and so on.
The dotplot that displays the data correctly is the one titled "Roger's Training" with a number line labeled "Miles Run" that goes from 0.5 to 5 in increments of 0.5. The dotplot should have the following data points:
0.5, 4
1, 1
1.5, 2
2, 2
2.5, 3
3, 2
3.5, 0
4, 3
4.5, 2
5, 1
This dotplot accurately represents the number of miles Roger ran each day over a 20-day period. Each dot represents a data point from the given list of miles run. The number line indicates the range of miles run, starting from 0.5 and ending at 5, with increments of 0.5.
By examining the dotplot, you can see the frequency and distribution of the miles run by Roger. For example, there are 4 instances where Roger ran 0.5 miles, 3 instances where he ran 4 miles, and so on. This visual representation allows you to easily interpret the data and observe any patterns or trends in Roger's training.
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What is the slope of this graph?
Answer:
slope = 1
Step-by-step explanation:
The graph corresponds to the equation
\(y=x\)
Hope this helps
Find each sum or difference
1. (4a - 5)+(3a + 6)
2. (6x + 9)+ (4x^2 - 7)
3. (6xy + 2y + 6x) + (4xy - x)
1. (4a - 5)+(3a + 6) = 7a + 1.
To solve, you simply combine the like terms (4a and 3a) to get 7a, and then combine the constants (-5 and 6) to get 1.
2. (6x + 9)+ (4x^2 - 7) = 4x^2 + 6x + 2.
To solve, you combine the like terms (6x and 4x^2) to get 4x^2 + 6x, and then combine the constants (9 and -7) to get 2.
3. (6xy + 2y + 6x) + (4xy - x) = 10xy + 2y + 6x - x = 10xy + 2y + 5x.
To solve, you combine the like terms (6xy and 4xy) to get 10xy, then combine the constants (2y and -x) to get 2y - x, and finally combine the like terms (6x and 5x) to get 11x. The final answer is 10xy + 2y + 5x.
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Regular hexagon ABCDEF is inscribed in a circle with center H. What is the image of segment BC after 120 degree clockwise rotation about point H?
Regular hexagon ABCDEF is inscribed in a circle with center H, the image of segment BC after 120 degree clockwise rotation about point H is the segment joining the points B' and C', which has endpoints (-0.5r\(\sqrt{3\), -0.5r) and (-0.5r, -0.5r).
Since the hexagon is inscribed in a circle with center H, we can conclude that H is also the center of the circle passing through vertices B, C, and D. Therefore, the circle passing through B, C, and D is also a 120 degree clockwise rotation of the circle passing through A, B, and C.
To find the image of segment BC after a 120 degree clockwise rotation about point H, we need to find the coordinates of B and C relative to H, and then apply a 120 degree rotation matrix to these coordinates.
Let the radius of the circle be r, and let the coordinates of H be (0,0). Then the coordinates of B and C are:
B: (r cos(60), r sin(60))
C: (r cos(0), r sin(0)) = (r, 0)
To apply a 120 degree clockwise rotation matrix, we can use the following matrix:
[ cos(-120) -sin(-120) ]
[ sin(-120) cos(-120) ]
Simplifying, we get:
[ cos(120) sin(120) ]
[ -sin(120) cos(120) ]
Applying this matrix to the coordinates of B and C, we get:
B': [ cos(120) sin(120) ][ r cos(60) ] = [ -0.5r \(\sqrt{3}\)]
[ -sin(120) cos(120) ][ r sin(60) ] [ -0.5r ]
C': [ cos(120) sin(120) ][ r ] = [ -0.5r ]
[ -sin(120) cos(120) ][ 0 ] [ -0.5r ]
Therefore, the image of segment BC after a 120 degree clockwise rotation about point H is the segment joining points B' and C', which has endpoints (-0.5r\(\sqrt{3}\), -0.5r) and (-0.5r, -0.5r), respectively.
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What number should be multiplied by 5.8 so that the answer is 47.096?
Given
What number should be multiplied by 5.8 so that the answer is 47.096
Answer
Let x be multiplied to 5.8
\(\begin{gathered} 5.8x=47.096 \\ x=\frac{47.096}{5.8} \\ x=8.12 \end{gathered}\)Lindsey Corp. uses the percentage-of-credit-sales method and estimates that 8% of the credit sales are uncollectible. After the year-end adjustment, what amount of bad debt expense would Lindsey report for the year
Using the percentage-of-credit-sales method, Lindsey Corp. would report a bad debt expense of $40,000 for the year, assuming their total credit sales were $500,000 and they estimated 8% of those sales to be uncollectible.
Lindsey Corp. uses the percentage-of-credit-sales method to estimate their bad debt expense. According to their estimation, 8% of their credit sales are anticipated to be uncollectible. To calculate the bad debt expense for the year, Lindsey Corp. would follow these steps:
Multiply the total credit sales by the estimated percentage of uncollectible sales,
Next, Lindsey Corp. would multiply the total credit sales by the estimated percentage of uncollectible sales (8% in this case). This calculation gives us the anticipated amount of credit sales that are expected to become bad debts.
Mathematically, the formula would be:
Bad Debt Expense = Total Credit Sales * Percentage of Uncollectible Sales
If Lindsey Corp. had $500,000 in total credit sales for the year, the calculation would be:
Bad Debt Expense = $500,000 * 0.08 = $40,000
Finally, Lindsey Corp. would report the calculated amount as their bad debt expense for the year. This expense is recorded on the income statement to reflect the potential loss from uncollectible credit sales.
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PLEASE PLEASE HELP 5 MINUTES HELPP HELPP WILL MARK BRAINLIEST!!!!!
Answer:
Step-by-step explanation:
I & III look good
Which of the following is the correct sequence of project phases? O A. Concept - Planning - Definition O B. Definition - Planning - Performance O C. Postcompletion - Performance - Planning OD. Performance - Concept - Planning
The correct sequence of project phases is Definition - Planning - Performance. The correct answer is B.
This is the typical order of project phases in a traditional project management approach. It starts with the definition phase, where the project's goals, the scope, and the requirements are established.
Then comes the planning phase, where the project plan is developed, including the allocation of resources, scheduling, and budgeting.
Finally, the performance phase begins, during which the project activities are executed, monitored, and controlled to ensure the successful project completion.
Therefore the sequence of project phase is Definition - Planning - Performance The correct answer is B.
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15. The line y = - 0.75x + 1.25 is tangent to a circle whose center is located at (2, 6) Find the tangent point and a second tangent point of a line with the same slope as the
The tangent point and a second tangent point of a line with the same slope as the given line are (2.67, 6) and (2.57, 6.1).
How to calculate the valueThe slope of the given line is -0.75.
The radius of the circle is |6 - 1.25| / -0.75 = 7.
The equation of the tangent line is y = -0.75x + c.
Substituting the coordinates of the center of the circle into this equation, we get 6 = -0.75 * 2 + c
Solving for c, we get c = 8.
The equation of the tangent line is y = -0.75x + 8.
The point of tangency is the point where the tangent line intersects the circle. To find the point of tangency, we need to solve the equation of the tangent line for x.
y = -0.75x + 8
6 = -0.75x + 8
-2 = -0.75x
x = 2.67
The point of tangency is (2.67, 6).
The second tangent point is the point where the tangent line intersects the circle at a different location. The direction of the tangent line is the same as the direction of the vector (-0.75, 1).
We can move the point of tangency a small distance in the direction of the tangent line by adding a small multiple of the vector (-0.75, 1) to the point of tangency.
Let's add a multiple of 0.1 to the point of tangency.
(2.67, 6) + 0.1 * (-0.75, 1)
= (2.57, 6.1)
The second tangent point is (2.57, 6.1).
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The line y = - 0.75x + 1.25 is tangent to a circle whose center is located at (2, 6) Find the tangent point and a second tangent point of a line with the same slope as the given line
One year, the population of a city was 292,000. Several years later it was 289,080. Find the percent decrease
The decrease in percent for the given population of a city after several years later is equal to 1%.
As given in the question,
Population of a city (One -year ) = 292,000
After several years , population of the city is equal to 289,080
Calculation of the decrease in percent of the population of a city
= {( Difference in the given population ) / Original population } × 100
= { ( 292,000 - 289,080 )/ 292,000} × 100
= ( 2,920 / 292,000 ) × 100
= ( 1 / 100 ) × 100
= 1%
Therefore, the decrease in percent for the given population of a city after several years later is equal to 1%.
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Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options. x < 5 –6x – 5 < 10 – x –6x + 15 < 10 – 5x A number line from negative 3 to 3 in increments of 1. An open circle is at 5 and a bold line starts at 5 and is pointing to the right. A number line from negative 3 to 3 in increments of 1. An open circle is at negative 5 and a bold line starts at negative 5 and is pointing to the left.
Answer:
The correct statements are:
- 6x + 15 < 10 - 5x ⇒ 3rd answer
Step-by-step explanation
An open circle is at 5 and a bold line starts at 5 and is pointing to the right ⇒ 4th answer
Step-by-step explanation:
∵ The inequality is -3(2x - 5) < 5(2 - x)
At first simplify each side
∵ -3(2x - 5) = -3(2x) + -3(-5)
Remember (-)(-) = (+)
∴ -3(2x - 5) = - 6x + 15
∵ 5(2 - x) = 5(2) + 5(-x)
Remember (+)(-) = (-)
∴ 5(2 - x) = 10 - 5x
∴ - 6x + 15 < 10 - 5x
Subtract 15 from both sides
∴ - 6x < -5 - 5x
Add 5x to both sides
∴ - x < - 5
Remember the coefficient of x is negative, then when you divide both sides by it you must reverse the sign of inequality
∵ The coefficient of x is -1
∴ Divide both sides by -1
∴ x > 5
Is someone kind and available enough to do this work for me
I need it really
Answer:
D. 40.0km
Step-by-step explanation:
When rounding to 3 significant figures, we will have to look at the 4th significant figure. If that figure is 1-4, you round the 3rd figure down. If that figure is 5-9, you round the 3rd figure up.
In this case, the 3rd figure is the tenth 9 and the 4th figure is the hundredth 7.
Since 7 is from 5-9, you round the tenth 9 up. This adds one whole to 39, which makes it 40. You also need to keep 3 significant figures so the decimal zeros are significant. Thus, the answer is 40.0km
in which of the following situations should the chi-square test for homogeneity be used? select the correct answer below: a researcher is trying to determine if salaries for men and women in the tech industry have the same distribution. he surveys a random sample of men and women in the industry and records the distribution of salaries for each gender. he wants to determine if the distributions are the same. a referee wants to make sure the coin he uses for the opening coin toss is fair. he flips the coin 30 times and compares the number of heads and tails with the numbers he would expect to get if the coin were fair. an online survey company puts out a poll asking people two questions. first, it asks if they buy physical cds. second, it asks whether they own a smartphone. the company wants to determine if there is a relationship between the buying physical cds and owning a smartphone.
The chi-square test for homogeneity is used if he wants to determine if the distributions are the same.
What is the chi-square test?
Chi-square is a statistical test that looks at how categorical variables from a random sample differ from one another to see if the expected and actual findings match together well. It is a contrast of two sets of statistical data. Karl Pearson developed this test in 1900 for the analysis and distribution of categorical data.
Here,
We have to determine for which situations should the chi-square test for homogeneity be used.
We concluded from the given option that:
A researcher is trying to determine if salaries for men and women in the tech industry have the same distribution.
He surveys a random sample of men and women in the industry and records the distribution of salaries for each gender.
He wants to determine if the distributions are the same.
Hence, the chi-square test for homogeneity is used if he wants to determine if the distributions are the same.
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Mimi wants to spend a $25 gift card on two kinds of in -app purchases for her favorite game: premium skins that cost $2.99, and tools that cost $4.99.
The equation that shows the way that Mimi can spend a $25 is 2.99p + 4.99t = 25.
What is an equation?A mathematical equation is the statement that illustrates that the variables given. In this case, two or more components are taken into consideration to describe the scenario.
Let the premium skins be p.
Let the number of tools be t.
This will be illustrated as:
(2.99 × p) + (4.99 × t) = 25
2.99p + 4.99t = 25
This illustrates the equation.
The complete question is given below.
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Mimi wants to spend a $25 gift card on two kinds of in -app purchases for her favorite game: premium skins that cost $2.99, and tools that cost $4.99. What is the equation to depict this?
point P has coordinate (-9,10) what will the coordinates of P be after translation 1 up and 3left ?
A biased spinner can land on A, B or C. The table shows the probabilities, in terms of k, of A, B and C.ABCProbability0.5k7k – 0.152.5kWork out the probability of B.
The probability of B is 0.655.This is obtained by evaluating the total probability of the spinner, where the sum of the probabilities of A, B, and C must equal 1. By solving the equation and substituting the value of k, it is determined that k = 0.115.
Given: A biased spinner can land on A, B, or C.
The table shows the probabilities, in terms of k, of A, B, and C.
Calculation: Total probability of the spinner = Probability of A + Probability of B + Probability of C. It means P(A) + P(B) + P(C) = 1 [By the sum of all probabilities is 1].
Put the values in the above equation:
\(0.5k + (7k - 0.15) + 2.5k = 1.\)
Solve this equation: 10k - 0.15 = 1 [Taking LCM, k].
\(10k = 1 + 0.15. 10k = 1.15. k = 1.15 / 10. k = 0.115.\)
Put the value of k in Probability of B, we get:
\(Probability of B = 7k - 0.15 = 7(0.115) - 0.15 = 0.805 - 0.15 = 0.655.\)
Conclusion: In summary, using the given probabilities in terms of k, the probability of B is calculated to be 0.655. This is obtained by evaluating the total probability of the spinner, where the sum of the probabilities of A, B, and C must equal 1. By solving the equation and substituting the value of k, it is determined that k = 0.115. Substituting this value in the probability of B formula yields a probability of B equal to 0.655.
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What is the minimum degree of a polynomial function that has an absolute maximum, a relative maximum, and a relative minimum? Explain your reasoning..
Let us define the following terms,
1) Absolute maximum : This is the highest point over the entire domain of a function.
2) Relative maximum : This is the highest part of a particular section of a graph.
3) Relative minimum : This is lowest point of a certain section of a graph.
Hence, the minimum degree of a polynomial function that has an absolute maximum, a relative maximum, and a relative minimum is 3- degree polynomial function.
Let us sketch an example of 3- degree polynomial function in order to give it a better explanation.
For example, let us take
\(f(x)=x^3+2x^2-3x+1\)Conclusively, the graph shown above, explained the reason why the 3- degree is the minimum polynomial function that has an absolute maximum, a relative maximum, and a relative minimum.
Please answer number 11.
Where the above parameters are given, Mikayla will need about 5,036.64 in² of paint to finish her project. Note that this is about surface area.
How to go about thisa) determine the surface area of each rectangular prism. The formula for this is:
SA = 2lw + 2lh + 2wh
Where I is the lenght, w is the width, and h is theheight.
For each of the prisms we have:
l = 3ft -= 36in
w = 2.5 ft = 30 inches
h = 3 inches
The surface area of the rectangular prism is:
= 2 (36 )(30) + 2 (36) ( 3) + 2 (30 ) (3)
= 2160 + 216 + 180
= 2556in²
B) Now it's time to compute the surface area of the culindrical hole using the formula:
SA = πdh
Recall that π = 3.14
Since d = 4 inches and
h = 3 inches
The surface area (SA) of the cylindrical hole is:
3.14 x 4 x 3
= 37.68in²
Thus, total surface area to be painted is:
2(2556 - 37.68)
= 2(2518.32)
= 5036.64in²
Thus, the assertion is correct that the total amount of paint required is approximately 5037 in² of paint.
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7 pencils and 2 rulers weigh 93 grams. 5 pencils and 6 rulers weigh 135 grams. How much does:
a) a pencil weigh
b) a ruler weigh
Find the measures of the exterior angles of the polygon.
Answer:
D : 125°,125°,55°,55°
Step-by-step explanation:
Finding the interior angles makes the question easier.
The two base angles for b1 are both 125°, and the two base angles for b2 are both 55°.
Because a straight line is 180°, we can find the exterior angles by subtracting the interior angles from 180°.
180°-55° = 125°
180°-125° = 55°
Emmaline weighs 40 pounds. How much does she and her brother weigh?
Answer:
I am not sure
Step-by-step explanation:
i don't believe you've given enough context, here- specify, please
whats the value of x
1)84
2)96
3)132
4) 264
2) 96
That is the answer
A woman takes 121212 equal-sized steps. She walks a total of 10 \text { yards}10 yards10, start text, space, y, a, r, d, s, end text. How many inches long is each step?
Answer:
30 inches
Step-by-step explanation:
She takes 12 equal sized steps and they all add up to 10 yards.
The length of each step (in yards) is:
10 / 12 = 5/6 yards
The question requires the answer in inches, therefore, we must convert this to inches:
1 yard = 36 inches
5/6 yards = 5/6 * 36 = 30 inches
Each step is 30 inches long.
Make r the subject of the formula
v = \pi \: h {}^{2}(r - \frac{h}{3})v=πh2(r−3h)
Answer:
\( \boxed{r = \frac{h}{3} + \frac{v}{\pi {h}^{2} } } \)
Step-by-step explanation:
\(Solve \: for \: r: \\ = > v= \pi {h}^{2}(r - \frac{h}{3} ) \\ \\ v=\pi {h}^{2}(r - \frac{h}{3} )is \: equivalent \: to \: {h}^{2}\pi(r - \frac{h}{3} ) = v: \\ = > {h}^{2}\pi(r - \frac{h}{3} ) = v \\ \\ Divide \: both \: sides \: by \: \pi {h}^{2} : \\ = > r - \frac{h}{3} = \frac{v}{\pi {h}^{2} } \\ \\ Add \: \frac{h}{3} \: to \: both \: sides: \\ = > r = \frac{h}{3} + \frac{v}{\pi {h}^{2} } \)
Points A and B have the same x-coordinates but opposite y-coordinates. point A is 4 units to the left and 3 units up. Point B is 4 units to the left and 3 units down. How many units away are each of the points from the y-axis? 3 4 6 7
Answer:
4 Units
Step-by-step explanation:
The x-coordinate of points A and B is -4, the y-axis vertically at x=0.
Therefore point A and B are 4 units away from the x-axis.
Answer:
4
Step-by-step explanation:
How many solutions does Y=-5/3x-4 have?
Answer:
Y=-12/5
i hope this helps u
Based on the data, which table shows a constant of
proportionality of 2 for the ratio of granola to raisins?
Table A
Table B
Table C
Table D
Answer:
C
Step-by-step explanation:
4/2 =2
12/6 =2
20/10 =2
(Help please:)!)
What is the perimeter of A"B"C"D"? Explain how you found the perimeter.
Answer:
26.3
Step-by-step explanation:
Perimeter is found by adding up all the sides.
8+6+6+6.3
18.3+8 =26.3
Answer:
26.3
Step-by-step explanation:
First, you find the perimeter of the original image, 6+6+6.3+8 = 26.3
Because the shape is only rotated, they are equal which means all 3 shapes have the same perimeter.