Find the t value that forms the boundary of the critical region in the right-hand tail for a one-tailded test with o=. 01 for each of the folling sample size n=10

Answers

Answer 1

The t critical value at 29 degrees of freedom and 0.01 level of significance is 2. 46

How to calculate the value

Using Critical value calculator we calculate the values.

a) at n = 10

Therefore degrees of freedom is = n - 1= 9, So therefore at 9 degrees of freedom and 0.01 level of significance, t critical value is 2.82

b) at n= 20

Degrees of freedom is 19.

The t critical value at 19 degrees of freedom and 0.01 level of significance is 2.54

c) at n = 30

Degrees of freedom is 29.

So therefore t critical value at 29 degrees of freedom and 0.01 level of significance is 2. 46

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Related Questions

Please hurry I need it ASAP

Answers

The value of x is 16.

Given,

The m line is parallel with the n line.

We need to find the value of x.

What are the relationships between parallel lines and angles?

If two lines are parallel the corresponding angles are congruent.

Example:                              

                         [tex]\sf D[/tex] /

                          /

[tex]\sf A[/tex]<----------------[tex]\sf F[/tex]/----------------------->[tex]\sf B[/tex]

                      /

[tex]\sf C[/tex] <-----------[tex]\sf M[/tex]/------------------------------>[tex]\sf D[/tex]                    

                  /

            [tex]\sf E[/tex]  /

[tex]\sf AFD = CMF[/tex]

[tex]\sf AFM = CME[/tex]

From the figure, we see that

[tex]\sf 8x + 5 + 4x - 17 = 180[/tex]

[tex]\sf 12x - 12 = 180[/tex]

[tex]\sf 12x = 180 + 12[/tex]

[tex]\sf 12x = 192[/tex]

[tex]\sf x = \dfrac{192}{12}[/tex]

[tex]\sf x = 16[/tex]

Thus the value of x is 16.

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Nolan ordered a set of beads. He received 86 beads in all. 43 of the beads were orange. What percentage of the beads were orange?

Answers

50% of the beads Nolan received were orange.

To find the percentage of beads that were orange, we need to divide the number of orange beads by the total number of beads and then multiply by 100.

Percentage of orange beads = (Number of orange beads / Total number of beads) * 100

In this case, Nolan received a total of 86 beads, and 43 of them were orange.

Percentage of orange beads = (43 / 86) * 100

Calculating this expression:

Percentage of orange beads = 0.5 * 100

Percentage of orange beads = 50%

Therefore, Out of total number of  beads Nolan received, 50% were orange.

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Stacy and clinton are setting up the community center for a freshman orientation. they set up 8 rectangular tables with 6 chairs each and 5 round tables with 4 chairs each. the chairs are randomly numbered starting with 1 and the freshman will be randomly assigned a seat number.
what is the probability that the first freshman to arrive will be seated at a round table?
a 1/20
b 12/17
c 5/17
d 5/13

Answers

"The probability that the first freshman to arrive will be seated at a round table is (5/13)."

To calculate the probability, we need to determine the total number of seats and the number of seats at round tables.

There are 8 rectangular tables with 6 chairs each, so the total number of seats at rectangular tables is 8 * 6 = 48.

There are 5 round tables with 4 chairs each, so the total number of seats at round tables is 5 * 4 = 20.

The total number of seats in the community center is 48 + 20 = 68.

The probability of the first freshman being seated at a round table is the number of seats at round tables (20) divided by the total number of seats (68), which gives us 20/68 = 5/17.

Therefore, the correct answer is option C: 5/17.

In conclusion, the probability that the first freshman to arrive will be seated at a round table is 5/17. This is obtained by dividing the number of seats at round tables by the total number of seats in the community center.

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Drag each tile to its equivalent measure, rounded to the nearest tenth.



19. 810. 222. 715. 4



Measure Equivalent



4 in.



cm



7 kg



lb



6 gal



L



65 ft



m

Answers

The given value of 19 is not a unit of measurement, so it cannot be converted to an equivalent measure.

How to drag each tile to its equivalent measure, rounded to the nearest tenth?

4 in. - 10.2 cm

7 kg - 15.4 lb

6 gal - 22.7 L

5 ft - 1.5 m

Note: The given value of 19 is not a unit of measurement, so it cannot be converted to an equivalent measure.

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Which statement is true about the streets? Select all that apply. A. First Street intersects with Second Street and Third Street. B. Second Street is perpendicular to Third Street. C. First Street and Third Street are parallel. D. Second Street and Third Street are parallel. E. First Street is perpendicular to Second Street and Third Street. 6 /

Answers

The correct options are: A and D

Streets 2 and 3 are parallel and Street 1 is intersecting it

What is a Parallel Line and Intersections?

Parallel lines are two or more straight lines that continue indefinitely without ever crossing each other, despite their extended lengths. They have an equal inclination and remain the same distance apart at all times. Consequently, intersections will never occur between them.  

On the contrary, if non-parallel lines exist, they intersect to create one point, famously known as the 'point of intersection'. This specific point supplies the solution to the system of equations formed by the two lines.

Hence, we can see from the given image that Streets 2 and 3 are parallel and Street 1 is intersecting it


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If the cos= and tan 0 = 1/32,
what is sin 0?
13

Answers

The calculated value of sin of the angle is 1/96

Calculating the value of sin of the angle

From the question, we have the following parameters that can be used in our computation:

cos(θ) = 1/3

tan(θ) = 1/32

The value of sin of the angle is calculated as

sin(θ) = cos(θ) * tan(θ)

substitute the known values in the above equation, so, we have the following representation

sin(θ) = 1/3 * 1/32

Evaluate the products

so, we have the following representation

sin(θ) = 1/96

Hence, the value of sin of the angle is 1/96

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At the school bookstore, Rylan bought two spiral notebooks and one folder and paid $6. 70. Olivia bought three spiral notebooks and five folders and paid $12. 85. Find the cost of each folder

Answers

To find the cost of each folder, we need to first set up a system of equations based on the given information. Let x be the cost of a spiral notebook and y be the cost of a folder. We can create the following equations:

1)  2x + y = $6.70 (Rylan's purchase)


2)  3x + 5y = $12.85 (Olivia's purchase)

First, we can solve equation 1 for y:

y = $6.70 - 2x

Next, substitute this expression for y into equation 2:

3x + 5($6.70 - 2x) = $12.85

Now, solve for x:

3x + $33.50 - 10x = $12.85

Combine like terms:

-7x = -$20.65

Now, divide by -7:

x = $2.95

Now that we know the cost of a spiral notebook, we can plug this value back into the expression we found for y:

y = $6.70 - 2($2.95)

y = $6.70 - $5.90

y = $0.80

So, the cost of each folder is $0.80.

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Suppose the following set of random numbers is being used to simulate the event of a
basketball player making three free throws in a row. how should the numbers be
rearranged?
i don’t need help but in case someone needs the answer. good luck!

Answers

Option D is the correct answer as it groups the numbers into sets of five, assigns them as either a "make" or a "miss", and preserves the order of the original set.

The set of random numbers provided represents the binary outcome of a basketball player making or missing a free throw. To simulate the event of making five free throws in a row, we need to group the numbers into sets of five and assign each set as either a "make" or a "miss".

Option A simply groups the numbers into sets of five, but does not indicate whether they are a "make" or a "miss". Option B groups the numbers into sets of five and assigns them as either a "make" or a "miss", but the order of the numbers has been changed.

Option C groups the numbers into sets of five, assigns them as either a "make" or a "miss", and preserves the order of the original set.

This allows for an accurate simulation of the event of making five free throws in a row using the provided set of random numbers.

So, correct option is D.

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Complete question is:

Suppose the following set of random numbers is being used to simulate the event of a basketball player making five free throws in a row. How should the numbers be rearranged?

860583 785814 010122 337198 621549 034076 796495 978078 433330

333153

A. 860 583 785 814 010 122 337 198 621 549 034 076 796 495 978

078 433 330 333 153

B. 8605 8378 5814 0101 2233 7198 6215 4903 4076 7964 9597

8078 4333 3033 3153

C. 86058 37858 14010 12233 71986 21549 03407 67964 95978

07843 33303 33153

D. 860583 785814 010122 337198 621549 034076 796495 978078

433330 333153

Congruent figures M and M’ are shown on the coordinate grid below. Describe a sequence of transformations on rectangle M that would result in figure M’? Responses A Reflection over the y axis, then translation down 5 units.Reflection over the y axis, then translation down 5 units. B Reflection over the y axis, then translation up 5 units. Reflection over the y axis, then translation up 5 units. C Reflection over the x axis, then translation up 5 units.Reflection over the x axis, then translation up 5 units. D Reflection over the x axis, then translation down 5 units.

Answers

o, the correct sequence of transformations that would result in figure M' is: A) Reflection over the y-axis, then translation down 5 units.

What is transformation?

In mathematics, a transformation is a process that changes the position, size, or shape of a geometric figure. Transformations are often used to study the properties of geometric objects and to solve problems in various areas of mathematics, such as geometry, algebra, and calculus.

Here,

Looking at the coordinates of the vertices of M and M', we can see that M' is obtained from M by reflecting it over the y-axis and then translating it down 5 units. So, the correct sequence of transformations that would result in figure M' is:

A) Reflection over the y-axis, then translation down 5 units.

This means that we first reflect M over the y-axis to obtain a new rectangle, which we can call M''. Then, we translate M'' down 5 units to obtain M'. Therefore, the sequence of transformations is:

Reflection over the y-axis

Translation down 5 units

This sequence of transformations will map M onto M'.

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PLEASE HELP! PHOTO ATTACHED

Answers

The total area of the figure is 215π square feet

Calculating the total area of the figure

From the question, we have the following parameters that can be used in our computation:

Radius, r = 5 cm

Height, h = 14 cm

So, we have

A1 = πr²

A1 = π * 5² = 25π

A2 = 2πrh

A2 = 2 * π * 5 * 14 = 140π

A3 = 1/2(4πr²)

A3 = 1/2(4π * 5²) = 50π

So, we have

Total area = 25π + 140π + 50π

Evaluate

Total area = 215π

Hence, the total area is 215π

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Match each phrase with the type of inequality it indicates.

Answers

The inequalities represented are:

Below - Less than or equal toAbove - Greater thanMore than - Greater thanSmaller Than - Less thanAt most - Less than or equal toAt least - Greater than or equal toNo more than - Less than or equal toNo less than - Greater than or equal toNot to exceed - Less than or equal toMaximum - Less than or equal to

What is an inequality?

In mathematics, an inequality is a statement that two values or expressions are not equal. It is used to compare two values and determine the relationship between them. Inequalities use symbols such as < (less than), > (greater than), ≤ (less than or equal to), and ≥ (greater than or equal to).

Inequalities can be solved and graphed on a number line to show all possible solutions that satisfy the inequality. They are commonly used in algebra and calculus to express a range of values for a variable.

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The rectangle has a perimeter of 62 millimeters. What is its area?

Answers

Let's assume that the length of the rectangle is x and the width is y.

The perimeter of the rectangle is given by:

P = 2x + 2y

Substituting P = 62, we get:

62 = 2x + 2y

Simplifying the above equation, we get:

x + y = 31

The area of the rectangle is given by:

A = xy

To find the area, we need to solve for one of the variables, either x or y. We can use the equation x + y = 31 to solve for y in terms of x:

y = 31 - x

Substituting this expression for y in the equation for the area, we get:

A = x(31 - x)

Expanding the above expression, we get:

A = 31x - x^2

To find the maximum area, we need to find the value of x that maximizes A. We can do this by completing the square:

A = - (x^2 - 31x)

A = - [(x - 15.5)^2 - 240.25]

A = 240.25 - (x - 15.5)^2

The maximum area occurs when x = 15.5, so the dimensions of the rectangle are:

x = 15.5 mm

y = 31 - x = 15.5 mm

The area of the rectangle is:

A = xy = 15.5 mm × 15.5 mm = 240.25 mm^2

Therefore, the area of the rectangle is 240.25 square millimeters.

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Express this number in scientific notation.
9 ten thousandths

Answers

Answer: 9 x 10^4

Step-by-step explanation:

9 ten thousands in standard form is written like this: 90,000

To convert this into scientific notation, we simply count how many spaces we want to move the decimal point.

So far, our number looks like this with a decimal point: 90000.0

To make this number equal to 9, we have to move the decimal point 4 spaces to the left.

The 4 then becomes our exponent.

So now we have 9 by itself, and all we do is multiply it by 10 with an exponent of 4, to show you are multiplying 10 four times.

Therefore, 9 ten thousands written in scientific notation is 9 x 10^4

A cube has a volume of 200cm3. What is the length of one edge?
Give your answer in cm correct to one decimal place

Answers

Answer:

The answer is 5.8cm to 1 d.p

Step-by-step explanation:

volume of cube=L³

200=L³

cube root both sides

³√200=³√L³

L=5.8cm to 1 d.p

HERE IS A HARD QUESTION , COULD U PLEASE ANSWER B PLEASE? I DID A ! 1ST ANSWER WOULD BE MARKED BRAINLIEST AND GET 5/5 WITH A THANKS! ILL ALSO COMMENT ON YOUR ANSWER ! BUT IF IT ISNT CORRECT , I WONT MARK BRAINLIEST! Thank you for your answers!!!!

Answers

Step-by-step explanation:

The coordinates of point B: (0,6)

Coordinates of point C: (3,8)

A kite has 4 sides, of which we have 2 equal pairs, thus the coordinates of point D must be (6,6)

Answer:

(6,6)

Step-by-step explanation:

The question is asking us to complete the half figure, and make it a kite.  We can see that the 2 lines AB and BC are half of the shape.  In the attachment, I drew a line of symmetry down the middle of the shape.  

I also created a point, Y, down the red line, AC, to represent the perpendicular bisector of the 2 diagonals.  We can see that line segment BY is the radius of the entire line BD.  

This radius is 3 units, so we now know that the diameter horizontally is 6 units.  We can draw this on the other side to create point D.  

This means that point D is at (6,6).

See attachment for more information, hope this helps!

Almost all employees working for financial companies in New York City receive large bonuses at the end of the year. A sample of employees selected from financial companies in New York City showed that they received an average bonus of last year with a standard deviation of. Construct a confidence interval for the average bonus that all employees working for financial companies in New York City received last year.


Round your answers to cents.


$________ to _______ $

Answers

To construct a confidence interval for the average bonus that all employees working for financial companies in New York City received last year, we need to know the sample size and the level of confidence. Without this information, we cannot calculate the confidence interval. Please provide the sample size and the level of confidence to proceed with the solution.

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Homework:section 6c homework question 13, 6.c.21 hw score: 60%, 12 of 20 points points: 0 of 1 question content area top part 1 the scores on a psychology exam were normally distributed with a mean of 68 and a standard deviation of 9 . about what percentage of scores were less than ​50?

Answers

For a normal distribution with a mean of 68 and a standard deviation of 9, the percentage of scores less than 50 is 2.28%.

It is given that scores on a psychology exam have a normal distribution with a mean of 68 and a standard deviation of 9. The percentage of scores less than 50 can be determined as follows.

1. Calculate the z-score for 50 using the formula:

z = (X - μ) / σ

where

X = 50 (the value we're comparing to)

μ = 68 (mean)

σ = 9 (standard deviation)

2. Plug in the values:

z = (50 - 68) / 9 = -18 / 9 = -2

3. Use a z-table or calculator to find the area to the left of z = -2. This represents the percentage of scores less than 50.

4. Based on the z-table or calculator, the area to the left of z = -2 is approximately 0.0228, which means that around 2.28% of scores were less than 50.

So, about 2.28% of scores on the psychology exam were less than 50.

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Town Hall is located 4. 3 miles directly east of the middle school. The fire station is located 1. 7 miles directly north of Town Hall.


Part A


What is the length of a straight line between the school and the fire station? Round to the nearest tenth. Enter your answer in the box.



Part B


The hospital is 3. 1 miles west of the fire station. What is the length of a straight line between the school and the hospital? Round to the nearest


tenth. Enter your answer in the box.

Answers

Using Pythagorean theorem the distance between the school and the fire station is approximately 4.7 miles, while the distance between the school and the hospital is approximately 7.8 miles.

To solve this problem, we can use the Pythagorean theorem to find the distances and then add them up to get the total distance between the school and the fire station, and then between the school and the hospital.

Part A:

Let's call the middle school point A, Town Hall point B, and the fire station point C. We can draw a right triangle with AB as the base, BC as the height, and AC as the hypotenuse. Using the Pythagorean theorem, we have:

AC^2 = AB^2 + BC^2

AC^2 = 4.3^2 + 1.7^2

AC^2 = 18.98 + 2.89

AC^2 = 21.87

AC ≈ 4.7 miles (rounded to the nearest tenth)

Therefore, the length of the straight line between the school and the fire station is approximately 4.7 miles.

Part B:

Let's call the hospital point D. We can draw another right triangle with CD as the base, BC as the height, and BD as the hypotenuse. Using the Pythagorean theorem, we have:

BD^2 = BC^2 + CD^2

BD^2 = 1.7^2 + 3.1^2

BD^2 = 2.89 + 9.61

BD^2 = 12.5

BD ≈ 3.5 miles (rounded to the nearest tenth)

Now, we can add the distance between A and B (4.3 miles) to the distance between B and D (3.5 miles) to get the total distance between A and D:

AD ≈ 7.8 miles (rounded to the nearest tenth)

Therefore, the length of the straight line between the school and the hospital is approximately 7.8 miles.

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A tabletop in the shape of a trapezoid has an area of 7,701 square centimeters. its longer base measures 119 centimeters, and the shorter base is 85 centimeters. what is the height?

please just give me the answer, don't send me a link i have to open

Answers

The height of the given trapezoid-shaped tabletop is 75.5 centimeters.

The height of the trapezoid-shaped tabletop. To calculate the height, we can use the formula for the area of a trapezoid: A = (1/2)(b1 + b2)h, where A is the area, b1 and b2 are the lengths of the bases, and h is the height.

Given the area (A) is 7,701 square centimeters, the longer base (b1) measures 119 centimeters, and the shorter base (b2) is 85 centimeters, we can solve for the height (h) using the following steps:

1. Plug in the given values into the formula: 7,701 = (1/2)(119 + 85)h
2. Simplify the expression inside the parentheses: 7,701 = (1/2)(204)h
3. Multiply the two numbers inside the parentheses: 7,701 = 102h
4. Divide both sides of the equation by 102 to solve for h: h = 7,701 / 102
5. Calculate the value of h: h ≈ 75.5 centimeters

So, the height of the trapezoid-shaped tabletop is approximately 75.5 centimeters.

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PLEASE HELP ME 20 BRAINLEIST

Abdul flips a weighted coin 64 times and gets 16 tails. Based on experimental probability, how many of the next 40 flips should Abdul expect to come up tails?

Answers

Based on experimental probability, Abdul should expect 10 tails in the next 40 flips.

The experimental probability of getting tails is calculated as the ratio of the number of tails obtained in the experiment to the total number of coin flips.

In this case, the experimental probability of getting tails is 16/64, which simplifies to 1/4 or 0.25.

This means that in the long run, we would expect approximately 25% of coin flips to result in tails.

To determine how many of the next 40 flips Abdul should expect to come up tails based on experimental probability,

we can multiply the experimental probability by the total number of flips.

Abdul should expect 0.25 × 40 = 10 tails in the next 40 flips.

Experimental probability of getting tails = Number of tails obtained / Total number of coin flips

Experimental probability of getting tails = 16/64

Experimental probability of getting tails = 0.25 or 25%

Expected number of tails in the next 40 flips = Experimental probability of getting tails × Total number of flips

Expected number of tails in the next 40 flips = 0.25×40 = 10 tails

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What is a way you can find the vaule of x

Answers

Answer:To find the value of x, bring the all the variable to the left side and bring all of the remaining values to the right side. You then simplify the values to find the answer.

Step-by-step explanation:

Answer:

im not sure bud because i don't know  what is the full question?

Step-by-step explanation:

16. Justin is joining a gym. The gym is currently offering a discount on the fee to join and on the monthly rate.
The discounted price,in dollars,the gym charges can be represented by the equation y=10x+5
a. What are the slope and the Y-intercept of the equation? What do the slope and the Y-intercept each represent in this equation?

Answers

Answer:

The equation y = 10x + 5 is in slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept.

The equation y = 10x + 5 is in slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept.Slope (m) = 10

The equation y = 10x + 5 is in slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept.Slope (m) = 10Y-intercept (b) = 5

The equation y = 10x + 5 is in slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept.Slope (m) = 10Y-intercept (b) = 5The slope represents the rate of change of the monthly rate with respect to the fee to join. For every increase of $1 in the fee to join, the monthly rate increases by $10.

The equation y = 10x + 5 is in slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept.Slope (m) = 10Y-intercept (b) = 5The slope represents the rate of change of the monthly rate with respect to the fee to join. For every increase of $1 in the fee to join, the monthly rate increases by $10.The y-intercept represents the initial cost of joining the gym. It is the amount that the gym charges even if the fee to join is $0. In this case, the gym charges $5 to join.

The slope is 10 which represents the monthly rate. The Y-intercept is 5 which represents the joining fee.

Reading


proportional relationships - part 1


do the values in the table represent a proportional relationship?


х


0


1


2.


3


y


0


3


5


6


select from the drop-down menu to correctly complete the statement.


all of the y-values choose...


a constant multiple of the corresponding x-values, so the relationship choose...


1


2


3


4


5


6


7


8


9


10


next

Answers

No, the values in the table do not represent a proportional relationship because the y-values are not a constant multiple of the corresponding x-values.

Based on the given table:

x | 0 | 1 | 2 | 3
y | 0 | 3 | 5 | 6

The values in the table do not represent a proportional relationship. To be proportional, all of the y-values should be a constant multiple of the corresponding x-values. However, in this case, the ratio of y/x is not constant (3/1, 5/2, 6/3). Therefore, the relationship is not proportional.

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You have a second job that pays $8.50/hr and your deductions are fica ((7.65%), federal tax withholding (11.25%),and tax withholding (7.25%). If you want to save $220/month), how many many hours do you need to work at your second job? (Remember to round up to the nearest whole hour.)

Answers

To save $220 per month while working a job that pays $8.50 per hour with deductions of 26.15%, you would need to work approximately 43 hours per month, rounded up to the nearest whole hour.

To calculate how many hours you would need to work, you need to first determine your hourly pay after deductions. To do this, subtract the percentage of deductions (26.15%) from 100% (100% - 26.15% = 73.85%). Then, multiply your hourly rate by this percentage to get your effective hourly rate after deductions: $8.50 x 0.7385 = $6.27.

To save $220 per month, you need to earn at least $220 more than your expenses from your second job. Assuming a 4-week month, your expenses would need to be at most $55 per week ($220/4 weeks = $55/week).

To earn $55 per week, you need to work for $55/$6.27 = 8.77 hours per week. Rounded up to the nearest whole hour, you would need to work approximately 9 hours per week.

Multiplying this by 4 weeks gives you a total of 36 hours. However, since you need to earn slightly more than $55 per week to account for taxes and rounding, you would need to work approximately 43 hours per month.

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the diameter of the cylinder is 6 meters the height of the cylinder is 12 meters what is the volume

Answers

Answer:V≈339.29m³

Step-by-step explanation:

V=π(d

2)2h=π·(6

2)2·12≈339.29201m³ Pls if you can answer my question if you have txvs.

Buying three movie tickets and a popcorn, which costs $5.50, is the same price as buying two tickets snacks worth a total of 16.50. How much does one movie ticket cost

Answers

If buying three movie tickets and a popcorn, which costs $5.50, is the same price as buying two tickets snacks worth a total of 16.50, one movie ticket costs $2.20.

Let the cost of one movie ticket be represented by x.

According to the problem, buying three movie tickets and a popcorn costs $5.50, so we can set up the equation:

3x + $5.50 = 2y

where y is the cost of snacks.

Similarly, buying two tickets and snacks worth a total of $16.50 can be represented by the equation:

2x + y = $16.50

We can solve this system of equations by substituting the first equation into the second equation for y:

2x + (3x + $5.50) = $16.50

5x + $5.50 = $16.50

5x = $11

x = $2.20

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If p and q are real numbers in the function f(x)=x4+5x3+px2+qx+30 and f(1)=0, which equation is true?

Answers

p + q + 36 = 0 is the equation that is true. From this equation, we can say that p + q = -36.

If we substitute x = 1 in the given function, we get:

f(1) = [tex](1)^4 + 5(1)^3 + p(1)^2 + q(1) + 30[/tex]

= 1 + 5 + p + q + 30

= p + q + 36

We are given that f(1) = 0. Therefore, we have:

p + q + 36 = 0

This is the equation that is true. From this equation, we can say that p + q = -36.

Now, let's see why this is the case. When we substitute x = 1 in the given function and get f(1) = 0, it means that (1, 0) is a point on the graph of the function. This point lies on the x-axis, which means that the function intersects the x-axis at x = 1. Since the x-axis is the line y = 0, this means that f(x) = 0 when x = 1.

Using this information, we can write an equation in terms of p and q. If we substitute x = 1 in the given function and get f(1) = 0, it means that:

f(x) = [tex](x - 1)(x^3 + 6x^2 + (6+p)x + (30-q))[/tex]

Therefore, we have:

[tex](x - 1)(x^3 + 6x^2 + (6+p)x + (30-q)) = 0[/tex]

Since (1,0) is a point on the graph of the function, we know that x = 1 is a root of this equation. Therefore, we have:

[tex](x - 1)(x^3 + 6x^2 + (6+p)x + (30-q)) = (x - 1)(x^2 + (7+p)x + (36-p-q))[/tex]

We know that (x - 1) is a factor of this equation, so we can use polynomial long division to divide the expression [tex](x^2 + (7+p)x + (36-p-q))[/tex] by (x - 1). The quotient will give us the other two roots of the equation. However, we do not need to find these roots to answer the question. All we need to know is that p + q = -36.

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Quadratic function f has vertex (4, 15) and passes through the point (1, 20). Which equation represents f ?
A) f(x)= -5/9(x-4)^2+15
B) f(x)= 5/9(x-4)^2+15
C) f(x)= -35/9(x-4)^2-15
D) f(x)= 35/9(x-4)^2-15

Answers

Since quadratic function f has vertex (4, 15) and passes through the point (1, 20), an equation that represents f is: B. f(x) = 5/9(x - 4)² + 15.

How to determine the factored form of a quadratic equation?

In Mathematics, the vertex form of a quadratic function is represented by the following mathematical equation:

f(x) = a(x - h)² + k

Where:

h and k represents the vertex of the graph.a represents the leading coefficient.

Based on the information provided above, we can determine the value of a as follows:

f(x) = a(x - h)² + k

20 = a(1 - 4)² + 15

20 = 9a + 15

a = 5/9

Therefore, the required quadratic function is given by:

f(x) = a(x - h)² + k

f(x) = y = 5/9(x - 4)² + 15

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Patricia bought 4 apples and 9 bananas for $12. 70 Jose bought 8 apples and I bananas for $17. 70 at the same grocery store What is the cost of one apple?​

Answers

Let's denote the cost of one apple as 'a' and the cost of one banana as 'b'. We can set up a system of two equations to represent the given information:

4a + 9b = 12.70   (equation 1)

8a + b = 17.70    (equation 2)

We can use either substitution or elimination method to solve for 'a' or 'b'. Let's use the elimination method by multiplying equation 2 by 9 and subtracting it from equation 1:

4a + 9b = 12.70

-(72a + 9b = 159.30)   (multiplying equation 2 by 9)

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

-68a = -146.60

Dividing both sides by -68, we get:

a ≈ 2.16

Therefore, the cost of one apple is approximately $2.16.

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what is scientific notation ​

Answers

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form, since to do so would require writing out an unusually long string of digits.
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