indicate the answer choice that best completes the statement or answers the question. 1. how many different samples of size 3 (without replacement) can be taken from a finite population of size 10? a. 30 b. 1,000 c. 720 d. 120

Answers

Answer 1

The correct option is option (d).

Using Combination,

Total 120, different samples of size 3 (without replacement) can be taken from a finite population of size 10.

Population size: The population is the entire group of guesses. A sample is a specific group for which you collect data. It is denoted by N.

Sample Size: The sample size is always smaller than the total size of the population. A sample is a subset of the population set. It is denoted by n.

we have given that , n = 3 and N = 10

Using the following formula for calculating the possible number of different samples of size 3 (without replacement) can be taken from a finite population of size 10.

Number of possible different samples of size n from Population size N = NCn = N!/n! (N-n)!

then we have, 10C3 = 10!/3! × 7!

=> 10×9×8/3×2 = 15×8 = 120

Hence, 120 different samples of size 3 (without replacement) is possible from Population of size 10.

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Related Questions

Calculate the area of the triangle PQX.

Answers

The area of the triangle PQX is 9.8 cm².

Given,

on this circle

∠PQX = ∠SXR

since vertical angles are equal.

∠PQX = ∠XRS and ∠QPX = ∠XSR

since the angle is the same as the angle opposite the arc.

so triangle PQX is similar to triangle SRX

three angles are equal.

since two triangles are similar:

so, RX/QX = SX/PX = SR/PQ = 10/7

and since S Δ PQX = 1/2 . QX . PX . sin∠PXQ

SΔSRX = 1/2 . RX . SX . sin∠SXR

= 10/7 × 10/7

= 100/49

S Δ PQX = 49.SΔSRX/100

= 9.8 cm²

Hence we get the area as 9.8 cm²

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The function f={(x,y)|y =mx+c} is a. Quadratic function b. Constant function c. Cubic function d. Linear function

Answers

⇒The given function is a linear function as we know the general equation of a straight line is y=mx+c

Option d is the answer.

A ball has a mass of 50g and is revolving at the end of a string in a circle with a radius of 40cm. The Ball moves with a speed of 2.5m/s, or one revolution per second. What is the Centripetal acceleration (in m/s2)

Answers

The centripetal acceleration is 15.625 m/s²

From the question, we have

centripetal acceleration (a) = v²/r

where,

v is the velocity in m./s

r is the radius in m

a = v²/r

= 2.5²/0.4

=15.625 m/s²

Divide:

Divide, in its simplest form, means to divide into two or more equivalent portions, spaces, groups, or divisions. Divide, in plain English, means to provide the entire thing to a group in equal portions or to divide it into equal pieces. Let's say a square is divided into two triangles with equal areas by a diagonal. A division operation may or may not provide an integer as the outcome. The outcome may occasionally take the form of decimal numbers.

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8 more than triple a number is -8

Answers

Answer:

8+3x=-8

x=-5 1/3

Step-by-step explanation:

triple a number means to multiply by 3

More than is to add

8+3x=-8

-8.      -8

3x=-16

x=-5 1/3

Hopes this helps please mark brainliest

There are four types of counters in a bag. The tables shows the numbers of each type of counter in the bag.
Yellow circle - 19
Green circle - 27
Yellow square - 14
Green square - 11

There are more green counters than yellow counters.
How many more?

Answers

Answer:5

Step-by-step explanation:

19 + 14 = 33

27 + 11 = 38

38 - 33 = 5

QUICK If -2.5 < -2.25, how are the positions of the two numbers related on the vertical number line?

Answers

The required position of the -2.25 lies above the -2.25 on the vertical number line.

Given that,
If -2.5 < -2.25, how are the positions of the two numbers related on the vertical number line is to be determined.

What is a number line?

A number line is defined as the number marked on the line calibrated into an equal number of units. For example -1, 0, 1, and so on.

Here,
Since -2.5 is 0.25 lower than -2.25, and also the -2.25 is greater than -2.5.
So on the vertical number line, -2.25 lies 0.25 units above the number -2.5.

Thus, the required position of the -2.25 lies above the -2.25 on the vertical number line.

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Answer:

On the vertical number line, -2.5 is located below -2.25.

Step-by-step explanation:

edmentum answer. have a good day

What is the slope of a line that is perpendicular to 6x = 3x - 9

Answers

6x+3=-9
3y=-6x-9
y=-2x-4.5

Slope of the line is -2

Answer:

Slope: -2

Step-by-step explanation:

(This answer is if you meant to write 6y = 3x - 9)

First, change the standard equation form into a linear equation form, y=mx+b. To do this, divide both sides by 6 to get:

[tex]y=\frac{3}{6} x-\frac{9}{6}[/tex]

This can then simplify to:

[tex]y=\frac{1}{2} x-\frac{3}{2}[/tex]

In order to find the equation of a perpendicular line, you need to find the opposite reciprocal of the current slope:

[tex]y=-2x-\frac{3}{2}[/tex]

The slope is m, meaning that the slope of the perpendicular equation is -2.

Hope this helps!

Another pitcher on the team
allowed 5 hits in 33 innings.
How many hits is he likely to
allow in 4 innings?

Answers

Answer:

0.76 hits / per inning.

Step-by-step explanation:

Comment

Nor very many.

You are using a double ratio question.

Givens

5 hits

33 innings

x

5 innings

Formula

5 hits                 x

====           =     =====

33 innings         5 innings                 Cross multiply

Solution

5 * 5 = 33* x                                       Combine

25 = 33*x                                           Divide by 33

25/33 = x

x = 0.760                                

Less than 1 hit per inning.

“Every year 8.8 million hectares of natural forest are cut down – that’s an area the size of a football field every second.”
Based on these figures, calculate what the area of a football field equals.


Don't really understand the question, can you guys help please?

Answers

Correct Answer:
3.58 hectares.

Explanation:
1 year = 60 x 60 x 24 x 365 = 31536000 seconds
8.8 million hectares = 8800000 hectares
31536000 / 8800000 ≈ 3.58 (2 d.p.)
Therefore, the area of a football field approximately equals 3.58 hectares.

I would appreciate it if you mark my answer as brainliest.

Find the equation of a line perpendicular y=1+2x that passes through the point (4,-4)(4,−4).

Answers

keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of the equation above

[tex]y=1+2x\implies y=\stackrel{\stackrel{m}{\downarrow }}{2}x+1\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array} \\\\[-0.35em] ~\dotfill[/tex]

[tex]\stackrel{~\hspace{5em}\textit{perpendicular lines have \underline{negative reciprocal} slopes}~\hspace{5em}} {\stackrel{slope}{2\implies \cfrac{2}{1}} ~\hfill \stackrel{reciprocal}{\cfrac{1}{2}} ~\hfill \stackrel{negative~reciprocal}{-\cfrac{1}{2}}}[/tex]

so we're really looking for the equation of a line whose slope is -1/2 and that it passes through (4 , -4)

[tex](\stackrel{x_1}{4}~,~\stackrel{y_1}{-4})\hspace{10em} \stackrel{slope}{m} ~=~ - \cfrac{1}{2} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-4)}=\stackrel{m}{- \cfrac{1}{2}}(x-\stackrel{x_1}{4}) \implies y +4= -\cfrac{1}{2} (x -4) \\\\\\ y+4=-\cfrac{1}{2}x+2\implies {\Large \begin{array}{llll} y=-\cfrac{1}{2}x-2 \end{array}}[/tex]

Please help me I will give you brainiest, please
x + 9 = 13

3x = 12

x + 5 − 9 = 0

2x + 5 = 17

5x − 3 = 17

x − 3 = 1

7x = 35

[tex]\frac{4x}{4} =4[/tex]

3( x + 4) = 15

8 + x − 5 = 7

Answers

The answer is 4. In all of the equations x is equal to 4.

Write an inequality to match the situation. Use T for the variable.
The temperature in a refrigerator truck must be kept at or below 38 degrees Fahrenheit.

Answers

The inequality is
T is smaller or equal to 38
T<=38

The function f(x) = 4x + 10 models the amount of money francis makes when babysitting for x hours. How much money will he make for 2 hours of babysitting work?.

Answers

The amount of money that he will make for 2 hours of baby sitting work is $18

The function is

f(x) = 4x + 10

The function f(x) is the amount of money Francis makes when babysitting for x hours

The function is the mathematical statement that shows the relationship between one variable and another variable. If one variable is dependent variable then the other variable will independent variable

The function

f(x) = 4x + 10

The number of hours x = 2 hours

Substitute the values of x in the function

f(2) = 4(2) + 10

f(2) = 8 +10

f(2) = $18

Hence, the amount of money that he will make for 2 hours of baby sitting work is $18

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Write a sentence or example for each of these words.

Answers

Answer:

In algebra class, we are learning about the commutative property. We are also learning about coefficients and how to evaluate expressions. Another thing we are learning about is the order of operations where you have to simplify at the end, and in each problem there are terms and variables.

Delon bought 2.9 pounds of fruit for a class party. The class ate 0.9 pounds of the fruit. How
much fruit is left?

Answers

The quantity of fruit left is 2 pounds which is the difference between the quantity bought by Delon and the quantity eaten by the class.

What is the Subtraction operation?

Subtraction is a mathematical operation that deducts the right-hand operand from the left-hand operand.

for example 4 -2 = 2

The quantity of fruit has left the difference between the quantity bought by Delon and the quantity eaten by the class.

The quantity bought by Delon = 2.9 pounds

The quantity eaten by the class =  0.9 pounds

The quantity of fruit left = 2.9 pounds - 0.9 pounds  

Apply the subtraction operation,

The quantity of fruit left = 2 pounds

Thus, the quantity of fruit left is 2 pounds

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HELP PLEASEEEEEEEEEEEEEEEEEEEEEEEE
13. Write an equation of the graph in slope-intercept form.

14. If misty has been traveling for 9 hours, how many miles of the trip does she have remaining?

15. If there are 50 miles in the trip remaining, how many hours has misty been traveling?

Answers

The Equation of the graph in slope-intercept form is 3y = 1350 - 100x

Misty will travel 150 miles after 9 hours

It will take misty 12 hours to cover 50 miles

What is a linear equation?

A linear equation is an equation in which the highest power of the variable is always 1. It is also known as a one-degree equation. The standard form of a linear equation in one variable is of the form Ax + B = 0. Here, x is a variable, A is a coefficient and B is constant. The standard form of a linear equation in two variables is of the form Ax + By = C. Here, x and y are variables, A and B are coefficients and C is a constant.

Equation of line in slope-intercept form is y = mx + c

let y be the distance in miles and x be the time in hours.

from the graph when x = 0, y = 450

substituting into the equation,

450 = 0(m) + c

c = 450 which is the intercept

Also from the graph, taking the point (3, 350)

when x = 3, y = 350

350 = 3m + 450

3m = 350 - 450

3m = -100

m = -100/3

SO the equation of straight line becomes

y = -100x/3 + 450

multiply through by 3

3y = -100x + 1350

if misty travel 9 hours that is x = 9, then y =

3y = -100(9) + 1350

3y = 450

y = 450/3

y = 150 miles

If there are 5o miles remaining,

y = 50, x =

3(50) = -100x +1350

100x = 1350 -150

100x = 1200

x = 1200/100

x = 12 hours.

The Equation of the graph is 3y = 1350 - 100x

Misty will travelled 150 miles after 9 hours

It will take misty 12 hours to cover 50 miles

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k(6)=
Evaluate functions from their graph

Answers

Answer:

0

Step-by-step explanation:

f(x) is basically y (or in this case k(x))

to find the k(6) we find the y value when x is 6

we look and the graph and see that it is 0

that is your answer

Describe the translation for the given preimage and image.
A (2,-6), A' (-4, -12)
x y
○ (x,y) → (-1/2-1/2)
O (x,y) →
O(x, y) →
O(x,y) →
(x + 6, y + 6)
(-2x, 2y)
(x - 6, y - 6)

Answers

Answer:

  (d)  (x, y) ⇒ (x -6, y -6)

Step-by-step explanation:

You want to know the transformation rule that translates A(2, -6) to A'(-4, -12).

Translation

The amount of translation is the difference between the image coordinates and the original coordinates:

  A' -A = (-4, -12) -(2, -6) = (-4 -2, -12 -(-6)) = (-6, -6)

The amount is added to the original coordinates to give the translated coordinates:

  (x, y) ⇒ (x -6, y -6)


Flight 168 carries 54 passengers, each with 2 suitcases.
Each suitcase has a mass of about 16 kg.
The airplane was built to carry 2250 kg of luggage.I
Is the flight over or under the limit? Explain.is the flight over or under the limit? Explain.

Answers

Answer:under

Step-by-step explanation:

so if you do 54times 2 it is 108so then you do 16 times 108 and you get 1728

Answer:

flight is under the limit

Step-by-step explanation:

1 suitcase=16kg

2 suitcases=16kgx2=32kg

1 passenger has 32kg

54x32=1728kg

54 passengers have 1728kg

1728kg is less than 2250kg which means flight is under the limit

The integer 2019 can be formed by placing two consecutive two-digit positive integers, 19 and 20, in decreasing order. Another example is 3534 (35,34). What is the sum of all four-digit positive integers greater 2019 can be formed in this way?
(A)476,681 (B)476,861 (C)478,661 (D)468,671 (E)468,761

Answers

Option (C) is the correct one and the sum of all four-digit positive integers greater than 2019 that can be formed in the given way is 476,661.

Given, the integer 2019 can be formed by placing two consecutive two-digit positive integers, 19 and 20, in decreasing order.

We have to find the sum of all four-digit positive integers greater than 2019 that can be formed in this way.

First number that can be formed in the given way is,

2120

and the last number that can be formed in the given way is,

9998

As, we can observe that the last two digits of all the numbers will make an A.P and in similar way the first two digits also make an A.P

So, first finding the sum of last two digits which is forming an A.P

first term be, 20 and last term be, 98

also, the number of terms be, 79

Sum = 79/2(20 + 98)

Sum = 79×59

Sum = 4661

So, the last two digits of the final answer will be 61 and 46 will add as carry.

Now, similarly finding the sum of first two digit numbers be

Sum = 79/2(21 + 99)

Sum = 79×60

Sum = 4740

on adding the carry of 46, we get

4740 + 46 = 4786

So, the sum of all four-digit positive integers greater than 2019 that can be formed in the given way is 476,661

Hence, option (C) is the correct one and the sum of all four-digit positive integers greater than 2019 that can be formed in the given way is 476,661.

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please answer fast and a explanation would be nice but doesn’t have to be there

Answers

The inequality in the slope-intercept form is y≥(3x/7)+3 when the graph is in of a linear inequality.

What is meant by slope?

In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction. The letter m is frequently used to represent slope; the reason for this usage is unclear, but it can be found in O'Brien's (1844)[2] and Todhunter's formulations of the equation for a straight line as y = mx + b and y = mx + c, respectively.

Let the linear equation be

y=m x +c

From the graph the lines are passing through the points (-7,0), (0,3)

Slope m =(3-0)/(0+7)

m=3/7

c=y-intercept

Therefore, c=3

Substitute the values in the above equation.

y=(-3/7)x+3

7y=3x+21

But, here we need to use the inequality which satisfies the shaded region.

Let us consider the point (1,2)

7(2)=3(1)+21

14=24 (But 14≠24)

Therefore, 14≥24

So, we have to use ≥ sign

7y≥3x+21

y≥(3x/7)+3

The inequality in the slope-intercept form is,

y≥(3x/7)+3

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What is $938,835.81 rounded to the nearest $10,000?

Answers

Answer:

940,000.00

Step-by-step explanation:

The 8 goes into the 3 and since 8 is bigger than 5 or 4 it rounds it up to the next umber, which is 4

a rectangular tank that is 6912 ft3 with a square base and open top is to be constructed of sheet steel of a given thickness. find the dimensions of the tank with minimum weight.

Answers

The dimensions of the tank with minimum weight are 24*24*12 ft

What is rectangular tank?

There is a benefit to employing vertical cylindrical stores that are put behind the double glass as in the Trombe wall system because a rectangular tank that extends from floor to ceiling is relatively expensive to construct and must be constructed to withstand quite high hydraulic pressures.

The tank with minimum weight is the one with minimum surface area.

Let x= base width and base height

     h= height of the tank

The volume of tank is :

  v=hx²

substitute v=6912 ft³

 6912=hx²

  h= 6912/x²............(1)

Formula for the tank surface area is:

A=x²+4xh

On substituting h value and simplifying,

A=x²+(27.648/x)

Differentiate with respect to x and equate to zero

2x-(27.648/x²)=0

On simplifying,

x³=27648/2 = [tex]\sqrt[^3]{13824}[/tex]

x= 24

substitute x=24 into the equation 1

h= 6912/(24)²= 12 ft

So, the dimensions of the tank with minimum weight are 24*24*12 ft

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Four integers have a mean of 14, a median of 14, a mode of 14 and a range of 4.
Find the four integer.

Answers

The fourth integer is 16.

Key skills needed: Casework, Mean, Median, and Mode

1) We start with 4 numbers _ _ _ _

2) We can determine two of the numbers by using the fact that the median is 14 and the mode is 14.

3) The numbers would have to be:

   _ 14 14 _

   _ 14 14 14

The 2nd one does not work because the last number would have to be a 6 to have a mean of 14, but the range would not be 14.

4) So, our numbers are _ 14 14 _

5) The two numbers add up to 20 (in order to have a mean of 14. If you subtract the bigger one by the smaller one, it will be 14.

6) We can make a system: saying x is the bigger number and y is the smaller number.

x + y = 20

x - y = 14

Add both and you will get 2x = 32 (since the y values cancel out).

7) divide by on both sides, and x = 16.

8) To find y, we can plug x back in to one equation:

16 + y = 20

y = 4

Our smaller number is 4 and our bigger number is 16.

9) Therefore the numbers are: 4, 14, 14, 16

Hence the answers is, the fourth integer is 16.

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A businesswoman wants to determine the difference between the costs of owning and leasing an automobile. She can lease a car for $420 per month (on an annual basis). Under this plan, the cost per mile (gas and oil) is $0. 6. If she were to purchase the car, the fixed annual expense would be $4700, and other costs would amount to $0. 08 per mile. What is the least number of miles she would have to drive per year to make leasing no more expensive than purchasing?.

Answers

The least number of miles she would have to drive per year to make leasing no more expensive than purchasing is 48500 miles.

Given:

She can lease a car for $420 per month (on an annual basis). Under this plan, the cost per mile (gas and oil) is $0.06. If she were to purchase the car, the fixed annual expense would be $4700, and other costs would amount to $0. 08 per mile.

Let x be the least miles.

420 * 12 + 0.06x < > 4700 + 0.08x

multiply by 100 on both sides.

504000+6x < > 470000+8x

97000 < > 2x

48500=x

Therefore the least number of miles she would have to drive per year to make leasing no more expensive than purchasing is 48500 miles.

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PLEASE HELP NOW!! it's a very easy question ;( ty in advance. you'll save my life

Answers

Answer:

Step-by-step explanation:

1) (x-6)

2) (x-3)

3) x(x-3)(x-6)

In the table the (p) profit is a function of the number of shirts sold (n) at a store
Which equation describes the relationship between n and p

Answers

p=4n+2 equation describes the relationship between n and p

How to find a function?

To ascertain whether a graph accurately depicts a function, use the vertical line test. The graph is a function if a vertical line drawn across it is moved and hits it only once at any given time. If there are multiple points where the vertical line intersects the graph, the graph is not a function.

Here the coordinates are (1,6),(2,10),(3,14),(4,18)

take two coordinates arbitrarily

ie. (1,6) and (3,14)

[tex]m=\frac{y_{2} -y_{1} }{x_{2}-x_{1} }[/tex]

[tex]m=\frac{14-6}{3-1}\\ = \frac{8}{2}[/tex]

=4

we know the equation

[tex]y-y_{0} = m(x-x_{0} )[/tex]

where [tex](x_{0},y_{0})= (1,6)[/tex]

y-6 = 4(x-1)

y-6 = 4x-4

y = 4x-4+6

y = 4x+2

here y is the profit and x is the number of shirts

∴p=4n+2

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1 What is the cost to get into a Green Cab?
2 How much does it cost per mile for a Green Cab?
3 What is the equation, in slope-intercept form, that relates the cost compared to the miles traveled for a Green Cab?

Answers

1. $5

2. $2 for each mile

3.equation, in slope-intercept form, that relates the cost compared to the miles traveled for a Green Caby=x+5

What is an explanation of the slope-intercept form?

Simply put, the slope-intercept form is the way to write a line's equation so that the y-intercept (where the line crosses the vertical y-axis) and slope (steepness) are instantly visible. This form is frequently known as the y = mx + b form.

1. The graph shows that the Green Cab will cost you $5 for a distance of 0 miles.

2. According to the graph, $1 is spent for every mile traveled.

3. Because y increases by the same amount for every 1 increase in x, the slope is 1.

The slope intercept form is y=mx+b.

m=slope

intercept b=y

Since we are aware that the slope is 1, we can enter it.

y=1x+b

=y=x+b

By looking at the graph and calculating what y equals when x is 0, we may get the y intercept.

It is the y intercept (0,5)

So that the equation is in slope intercept form, we may enter that.

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HELP PLEASE ASAP!! I NEED THE HELP!!

Answers

Answer:

First choice since the maximum amount of hot dogs sold is 125 and domain is found by the x-axis (x) not the y-axis (y)

A bag contains 30 red marbles and 15 purple marbles. Mr. Clark wants to add 270 marbles to the bag. He wants the ratio of red to purple marbles to remain the same. How many of each should he add? A. 70 red marbles 200 purple marbles B. 200 red marbles and 70 purple marbles C. 180 purple marbles and 90 red marbles D. 180 red marbles and 90 purple marbles

Answers

Answer: 20 PURPLE marbels

Step-by-step explanation:

no explanation

Answer:

the is 200 purple marbles 70 red marbles

Other Questions
after undergoing billroth i gastric surgery, the client experiences fatigue and complains of numbness and tingling in the feet and difficulties with balance. on the basis of these symptoms, the nurse suspects which postoperative complication? What steps can we take to deter threats to our personalsafety and prevent physical or emotional injury? an externality can be a cost or benefit arising from the production of a good that falls upon 1) consumers but not producers. 2) producers but not consumers. 3) both the consumer and the producer. 4) someone other than the consumer or producer summarize the theme of the red badge of courage PLEASE PLEASE HURRY What is 122/3? Responses 36 negative 36 24 negative 24 18 negative 18 8 negative 8 What is your purpose upon engaging yourself in such conversations? a primipara client gave birth vaginally to a healthy newborn girl 48 hours ago. the nurse palpates the client's fundus and documents which finding as normal? Compare and contrast exocrine and endocrine glands. Provide an example of an exocrine gland, an exocrine secretion, an endocrine gland, and an endocrine secretion. in what ways did the racial order of the North change in the first half of the 19th century? what rights did adult, freeborn men in mediterranean city-states exercise that the other inhabitants of the city-states did not enjoy? What is answer? Tell me pls :) what is the volume of a 1/5 by 2/5 by 3/5 rectangle? how does this document set the groundwork a national American identity Tricarbon Octasulfide: How many carbons?* Tricarbon Octasulfide: How many carbons How did serfdom change in Europe and Russia in 1450-1750? If the labor force increases and the number of employed workers stays the samea) the unemployment rate will not change.b) the unemployment rate will fall.c) the unemployment rate will rised) it's not possible to determine. alan, the chief executive officer of pioneer inc., was requested by jack, a student at woodhouse elementary school, to share some information about pioneer for his project report. while alan could have forwarded one of the several emails he had written about the company to his clients, he used simple words and gave simple basic facts about pioneer when responding to jack. in this scenario, which of the following audience characteristics did alan consider? examples of seamus heaney using old english words related to the words we use today in the seamus heaney translation a .5 kg steel ball is suspended from teh ceiling by a 2.5 m long string. the ball is pulled to the side until it is 1 m above its lowest point and then released from rest. the tension in the string when the ball passes through its lowest position is 950 kg3.If the car has 30.400 J of kineticenergy, how fast is it moving?