Problem 2 Six different jobs need to be done today at the restaurant where you work. You have a pool of nine available workers. If you can assign only one worker to each job and no more than one job to a worker, how many different worker/job assignments are possible

Answers

Answer 1
Answer:   60480

========================================================

Explanation:

The order matters because the jobs are different. This means we'll use a permutation.

We have n = 9 workers to pick from and r = 6 jobs to fill.

Plug those values into the nPr permutation formula.

[tex]n P r = \frac{n!}{ (n-r)! }\\\\9 P 6 = \frac{9!}{ (9-6)! }\\\\9 P 6 = \frac{9!}{ 3! }\\\\9 P 6 = \frac{9*8*7*6*5*4*3*2*1}{ 3*2*1 }\\\\9 P 6 = 9*8*7*6*5*4 \ \ \text{.... Note: The 3*2*1 cancels}\\\\9 P 6 = 60480\\\\[/tex]

There are 60480 ways to assign the 9 workers to the 6 different jobs where order matters.

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

Another approach:

Label the 6 jobs as A,B,C,D,E,F

For job A, we have 9 workers to pick from.

For job B, we have 8 workers to pick from. This is because it states that there is "no more than one job to a worker".

For job C, we have 7 workers to pick from. And so on. We have this countdown going on. We stop once we reach job F.

We end up with 9*8*7*6*5*4 = 60480 different permutations

The string "9*8*7*6*5*4" is found in the second to last step of the section above.


Related Questions

If TR = 11 ft, find the length of PS. Round to the nearest hundredth.

P

T

R

16°

S

arc PS =

ft

Answers

The length of arc PS from the information given in the task content is; 31.5 ft.

What is the length of the arc PS?

It follows from the task content that;

Point T is the center of the circle and line TR is the radius of the circle.

Additionally, the angle subtended by arcPS = 180 - m<PS = 180 - 16 = 164⁰. This follows from the fact that line PR is a diameter.

On this note, the length of arc PS is;

arc PS = (164/360) × 2 × 3.14 × 11.

arc PS = 31.5ft.

Read more on length of an arc;

https://brainly.com/question/2005046

#SPJ1

Find x if ∠m1 = 2x + 10 and m∠2 = 3x - 6

Answers

Answer: 16

Step-by-step explanation:

What expression represents the volume of the cone, in cubic units? two-thirdsπx3 four-thirdsπx2 2πx3 4πx3

Answers

The expression that represents the volume of the cone, in cubic units is ¹/₃πr²h.

Volume of cone

The volume of a cone is given by the following formula presented below;

V = ¹/₃πr²h

where;

V is volume of the coner is radius of the coneh is height of the cone

The volume of a cone can be determined by multiplying the square of the radius and height of the cone.

Thus, the expression that represents the volume of the cone, in cubic units is ¹/₃πr²h.

Learn more about volume of cone here: https://brainly.com/question/20099462

Answer:

[tex]\frac{2}{3}[/tex] π x³

Step-by-step explanation:

please help :)))))))))))))

Answers

Answer:

C

Step-by-step explanation:

If that is wrong tell me. I am sure it is right tho

soccer player jumps up and heads the ball while it is 7 feet above the
It bounces up at a velocity of 20 feet
ground.
per second. How long will it
take the ball to hit the ground?

Answers

The total time it takes the soccer ball to hit the ground, which bounces up at a velocity of 20 feet per second, is 1.535 seconds.

What is vertical motion model?

Vertical motion model is the model which is used to find the height of the object which is thrown vertically upward. It can be given as,

[tex]h(t)=-16t^2+v+t[/tex]

Here, t is time and v is velocity.

Soccer player jumps up and heads the ball while it is 7 feet above It bounces up at a velocity of 20 feet ground. per second.  Thus, the vertical motion model for this situation is,

[tex]h(t)=-16t^2+20t+7[/tex]

When the ball hit the ground, the value of height (h) become zero. Thus,

[tex]0=-16t^2+20t+7\\16t^2-20t-7=0[/tex]

On solving this quadratic, the value of x we get,

[tex]x=1.535,x=-0.285[/tex]

Taking positive side x=1.535 second. Thus, the total time it take the soccer ball to hit the ground which bounces up at a velocity of 20 feet per second, is 1.535 seconds.

Learn more about the vertical motion model here:

https://brainly.com/question/24216590

#SPJ1

8
To rent a car, Jorge spent $415 in rental
fees plus $86 for insurance. He also paid
$2 per day for tolls, plus $5 per day for
roadside assistance. Jorge rented the car
for a total of 12 days.
Based on the expression below, what is
the total amount of money that Jorge
spent? (6.7A | Lesson 5)
1
415 +86 + 12(2 + 5)

Answers

415+86+12(2+5) first start by multiplying 12 and 2 and you will get 24 then multiply 12 and 5 and you get 60 so 415+86+24+60=585

somebody pls help me

im not very smart 7u7

Answers

Answer:

[tex]1 \2 (7 + 12)6 \\ 1 \2(19)6 \\ 114 \times 1 \2 = 72[/tex]

so therefore area is 72cm²

What is value of 22y-6

Answers

260

Step-by-step explanation:

11y + 6 =139

-6

11y. = 133

÷11

y. = 133/11

22y - 6

22 x 133/11 - 6

=260

Hope this helps!

Step-by-step explanation:

[tex]11y + 6 = 139 \\ 11y = 133 \\ y = 12.0909[/tex]

so,

[tex]22y - 6 \\ 22(12.1) - 6 \\ = 260[/tex]

PLLSS HELP ILL GIVE BRAINLIST PLLLLLSSSS

Identify the multiplication problem that matches the model.



3 x 3


3 x

3

5


2 x

3

5


3 x

Answers

I believe it’s 3 x 3

Find the length of the unknown side using the Pythagoras theorem

SOMEONE PLEASE HELP ME WITH THESE! ILL GIVE YOU BRAINLIST ANSWER!!

Answers

Answer:

Step-by-step explanation:

12

Answer:

a) 12

b) 11

c) 8

Step-by-step explanation:

Using the Pythagorean Theorem: [tex]a^2 + b^2 = c^2[/tex]

a is the shorter side,

b is the longer side,

c is the hypotenuse.

a) [tex]a^2 + b^2 = c^2\\5^2+b^2=13^2\\25+b^2=169^2\\b^2=169-25\\b^2=144\\b=\sqrt{144}=12\\ b=12[/tex]

b)[tex]a^2 + b^2 = c^2\\a^2+60^2=61^2\\a^2+3600=3721\\a^2=3721-3600\\a^2=121\\a=\sqrt{121}=11\\ a=11[/tex]

c)[tex]a^2 + b^2 = c^2\\a^2+15^2=17^2\\a^2+225=289\\a^2=289-225\\a^2=64\\a=\sqrt{64}=11\\ a=8[/tex]

the cone and sphere have equal volumes. what is the radius of the sphere? show your work

Answers

Answer:

sphere have a same diameter of cone so

the sphere have a diameter of 40 then the diameter is 40÷2=20

that's mean than the radios is 20

Help Me (I am doing this on paper)

Answers

Either a or d (I’m not sure but Ik it’s one of Those)

What is the product of 17 and 41

Answers

Answer:

697

Step-by-step explanation:

A product is an answer to a multiplication question

PLEASE HELP!!

The rodriguez and peralta families went to the local pizzeria for supper. The items purchased and the total cost of the purchases are shown in the table below. Find the cost per pizza and drink.

Answers

The cost of each pizza is $12.50 while the cost of each drink is $1.99.

What is an equation?

An equation is an expression used to show the relationship between two or more numbers and variables.

Let x represent the cost of each pizza and y the cost of each drink. Hence:

3x + 5y = 47.45  (1)

Also:

4x + 8y = 65.92  (2)

From both equations:

x = 12.5, y = 1.99

The cost of each pizza is $12.50 while the cost of each drink is $1.99.

Find out more on equation at: https://brainly.com/question/2972832

Write the ratio as a fraction in simple form, with whole number in the numerator and denominator 2. 7 hr to 7. 2 hr

Answers

Answer:

  3/8

Step-by-step explanation:

A ratio is expressed in lowest terms by removing common factors from numerator and denominator.

  [tex]\dfrac{2.7\text{ hr}}{7.2\text{ hr}}=\dfrac{3\cdot0.9\text{ hr}}{8\cdot0.9\text{ hr}}=\boxed{\dfrac{3}{8}}[/tex]

Choose the function whose graph is given below.

Answers

C. Y=csc x
If you have further questions like this I recommend Desmos which is a graphing calculator that will make things way easier

Please help (7th grade math)
Which two ordered pairs can be joined to best draw the line of best fit for this scatter plot?

(4, 15) and (10, 7)
(1, 6) and (6, 0)
(0, 13) and (10, 11)
(0, 13) and (10, 0)

Answers

The scatter plot shows the association between the ordered pairs

The two ordered pairs that can be joined to best draw the line of best fit for this scatter plot are (0, 13) and (10, 0)

How to determine the two best ordered pairs?

To draw the line of best fit, the line must pass through at least two points such that the number of points on either sides of the line must be equal

See attachment for illustration

From the attached image of the graph, we can see that the line passes through the points (0, 13) and (10, 0), and there are 4 points on either sides

Hence, the two ordered pairs are (0, 13) and (10, 0)

Read more about scatter plots at:

https://brainly.com/question/2820882

Answer: (0,13) and (10,0)

Step-by-step explanation:

I took the test on flvs.net


PLEASE HELP! I WILL GIVE BRAINLIEST! NO LINKS PLEASE!!

Answers

Answer:

number of passengers is an independent variable, average speed depends on the number of passengers so its a dependent variable, liters of fuel used depends on average speed so its a dependent variable

Step-by-step explanation:

The number of water bottles used during a team's football practice varies directly with the temperature. If a team
uses 75 bottles when the temperature is 60°, what is the temperature if they use 120 bottles?

Answers

Answer:

96 degress letter G

Step-by-step explanation:

1: 542 mg =____g
2: 39 cm = ____m
3: 0.75 m =____cm
4: 6,367 mm= ___m
5: 6.5 g =___ mg
6:736 m = ___ km
7:12 g =____ kg
8:22 cm =___m

Answers

1-0.542g
2-0.39m
3-75
4-6.367m
5-6500mg
6-0.736km
7-0.012kg
8-0.22m

I hope that answers your question
1:0.542g
2: 0.39m
3: 75
4: 6.367m
5:6500mg
6: 0.736km
7:0.012kg
8: 0.22m

A researcher conducted a medical study to investigate whether taking a low-dose aspirin reduces the chance of developing colon cancer. As part of the study, 1,000 adult volunteers were randomly assigned to one of the two groups. Half of the volunteers were assigned to the experimental group that took a low-dose aspirin each day, and the other half were assigned to the control group that took a placebo each day. At the end of six years, 15 of the people who took the low-dose aspirin had developed colon cancer and 26 of the people who took the placebo had developed colon cancer. Use a 0. 05 significance level to test the claim that taking a low-dose aspirin each day would reduce the chance of developing colon cancer among all people similar to the volunteers

Answers

Using the z-distribution, it is found that there is enough evidence to conclude that taking a low-dose aspirin each day reduces the chance of developing cancer.

What are the hypotheses tested?

At the null hypotheses, it is tested if there is no difference among the proportions, that is:

[tex]H_0: p_1 - p_2 = 0[/tex]

At the alternative hypotheses, it is tested if the aspirir proportion is lower, that is:

[tex]H_0: p_1 - p_2 < 0[/tex]

What is the mean and the standard error of the distribution of differences?

For each sample, they are given by:

[tex]p_1 = \frac{15}{500} = 0.03, s_1 = \sqrt{\frac{0.03(0.97)}{500}} = 0.0076[/tex]

[tex]p_2 = \frac{26}{500} = 0.052, s_2 = \sqrt{\frac{0.052(0.948)}{500}} = 0.0099[/tex]

Hence, for the distribution of differences, they are given by:

[tex]\overline{p} = p_1 - p_2 = 0.03 - 0.052 = -0.022[/tex]

[tex]s = \sqrt{s_1^2 + s_2^2} = \sqrt{0.0076^2 + 0.0099^2} = 0.0125[/tex]

What is the test statistic?

It is given by:

[tex]z = \frac{\overline{p} - p}{s}[/tex]

In which p = 0 is the value tested at the null hypothesis.

Hence:

[tex]z = \frac{\overline{p} - p}{s}[/tex]

[tex]z = \frac{-0.022 - 0}{0.0125}[/tex]

z = -1.76.

What is the conclusion?

Considering a left-tailed test, as we are testing if the proportion is less than a value, the critical value is [tex]z^{\ast} = -1.645[/tex]

Since the test statistic is less than the critical value for the left-tailed test, there is enough evidence to conclude that taking a low-dose aspirin each day reduces the chance of developing cancer.

More can be learned about the z-distribution at https://brainly.com/question/26454209

Complete the equation of this circle:
A
1
[ ]=z([_]_^)+z([ ¿ ] − x)
Enter ⚠️NEED HELP ASAP WILL GIVE BRAINLIEST⚠️

Answers

Answer:

(x - 3)^2 + (y - 2)^2 = 4^2

Step-by-step explanation:

Looking at the graph its obviously a circle as it said.

We have to find (h,k) and the radius of that circle.

(h, k)  = (3,2)

Origin to the edge of the A.

radius = 4

(x - 3)^2 + (y - 2)^2 = 4^2

4 Suki watches a movie and eats a snack afterward. The movie starts at 7:15 PM
and is 1 hours long. Suki finishes her snack at 9:10 PM. How long does Suki
spend eating a snack?
Show your work.


It’s question 4 btw

Answers

Answer:

25 minutes long

Explanation:

Hope this helps!

Ok so we know that the movie starts at 7:15 PM. The duration of the movie is 1.5 hours long. She begins eating her snack after the movie which, sense 7:15 plus 1.5 hours is 8:45, is 8:45. She finishes her snack at 9:10. What is the difference between 9:10 and 8:45?

For me, the easiest thing to do we would be to add a half hour (30 minutes) to the 8:45. This gets 9:15. Since 9:15 is past 9:10, I subtract the difference to get 5 minutes. I then take the 30 minutes I added to the 8:45 and subtract the 5 minutes that it went over to get 25 minutes. This is the easiest way to get the answer in my opinion. Sorry if this could not be of help to you!

Diagram to better understand maybe? (I did the best I could with this lol)

                                              x (the 25 minutes you found once you solved it)

                                                                                      ^

7:15 PM ----------------------------- 1.5 hours later----------------------------------- 9:10 PM

^                                                          ^                                                            ^

Time the movie started          Movie length             When she finished eating

♡ I am so proud of you! You are doing amazing and you are glowing! Keep up the great work and have a good day! ♡

The legend on a map states that
1 cm is 20 km. If you measure 9
centimeters on the map, how
many kilometers would the actual
distance be?

Actual distance = [ ? ] km

Answers

Answer:

1cm=20km

multiply both sides by 9

you get

9cm=20x9km

9cm=180km

Maya just turned 14 years old. Her parents started saving $350 each month for her college.
education when she was born. Her parents want to make sure there will be enough money in
her account by the time she turns 18 to cover tuition and expenses at an in-state, four-year
college. How much will Maya's parents need to raise their monthly contribution for the next 4
years if they want to save at least $80,000?

Answers

Answer:

$91.66

Step-by-step explanation:

We need to calculate how much they've saved so far. So we multiply 12 * 14 to get 168 months (14 years). Then we can multiply 350 by 168 to get $58,800.

We then subtract 58,800 from 80,000 to get 21,200 left to cover over 4 years. In 4 years, there are 48 months so we just divide 21,200 by 48 to get 441.66.

Subtract 350 from 441.66 to get 91.66.

We can check this by doing (350*168) + (441.66 * 48).

Hope this helps,

As always, correct me if I'm wrong

Answer:

Given :-

Money saved by her parents each month = $350

Time = 14 years = 14 × 12 = 168 months

To find :-

How much money ger parents have to save in next 4 years to achieve the goal of $80,000

Total money saved in 14 years = 350 × 168 = $58,800

Total money left to achieve goal = 80,000 - 58,800

= $21,200

Money they have saved next 4 years in each month to achieve the goal

[tex] = \frac{21200}{4 \times 12} \\ = \frac{21200}{48} \\ = 441.69 [/tex]

They need $441.69 each month to complete $80,000 for her college.

The circumference of a circle is 12π m. What is the area, in square meters? Express your answer in terms of π.

Answers

Answer:

π 36 m^2

Step-by-step explanation:

C = 2π R = 12π m --> R = 6m

A = π R^2 = π 36 m^2

Answer:

Area of circle = 36π

Step-by-step explanation:

In the question we are given that circumference of circle is 12π m . And we are asked to find the area of circle in term of π .

Solution : -

For finding area of circle we need to find the radius of circle . In the question circumference of circle is given . So we can find radius of circle using it . We know that ,

[tex] \qquad \quad \pink{\underline{\pink{\boxed{\frak{Circumference_ {(Circle) }= 2\pi r}}}}}[/tex]

Where ,

π refers to 3.14 or 22/7

r refers to radius of circle

But as in the question , it is given that we have to find the area in term of π. So we aren't using π as 3.14 or 22/7 .

Now, Radius :

[tex] \longrightarrow \qquad \: 12 \cancel{\pi }= 2 \cancel{\pi} r[/tex]

Step 1 : Cancelling π and we get :

[tex] \longrightarrow \qquad \:12 = 2r[/tex]

Step 2 : Dividing both sides by 2 :

[tex] \longrightarrow \qquad \: \cancel{\dfrac{12}{2} } = \dfrac{ \cancel{2}r}{ \cancel2} [/tex]

On further calculations we get :

[tex] \longrightarrow \qquad \: \boxed{ \bf{r = 6 \: m}}[/tex]

Therefore , radius of circle is 6 m .

Finding Area :

As we have find the radius of circle above so we can find its area easily . We know that ,

[tex] \qquad \: \qquad \pink{\underline{\pink{ \boxed{{\frak{ Area_{(Circle)} = \: \pi r {}^{2} }}}}}}[/tex]

Now substituting value of radius :

[tex] \longmapsto \: \qquad \quad\pi (6) {}^{2} [/tex]

[tex] \longmapsto \: \qquad \quad \pi \times \: 6 \times 6[/tex]

[tex] \longmapsto \: \qquad \quad \pi \times 36[/tex]

We get :

[tex] \longmapsto \: \qquad \quad \blue{\underline{\blue{\boxed{\frak{ \bf{36 \pi \: m {}^{2} }}}}}}[/tex]

Therefore, area of circle is 36π square metres .

#Keep Learning

you purchase a used car for 5000 and discover that it decreases 10% per year write an equation that represents this situation

Answers

Answer:

See below

Step-by-step explanation:

Decreasing 10% means the car retains 90 % of its value

Value of car = 5000 ( .90)^x      where x = number of years

Please help me I can’t figure it out

Answers

Answer:

20

Step-by-step explanation:

To evaluate the expression for a= 3, replace (or 'substitute') every 'a' you see with a '3' in the expression.

Given expression: 32 -4a

When a= 3,

32 -4a

= 32 -4(3)

= 32 -12

= 20

Answer:

20 is the value of expression when a is equal to 3 .

Step-by-step explanation:

In the question we're given with an expression that is 32 - 4a , value of a is 3 . And we are asked to evaluate the expression for a = 3 .

Solution : -

[tex] \longmapsto \: 32 - 4a[/tex]

Step 1 : Substituting value of a in given expression :

[tex] \longmapsto \:32 - 4(3)[/tex]

Step 2 : Multiplying 4 with 3 :

[tex] \longmapsto \:32 - 12[/tex]

Step 3 : Subtracting 12 from 32 :

[tex] \longmapsto \: \red{\boxed{ \frak{20}}}[/tex]

Therefore , value of expression for 3 is 20 .

#Keep Learning

solve the inequality 4p-5<25

Answers

Answer:

p<15/2

Step-by-step explanation:

p<(25+5)/4

p<30/4

p<15/2

please What is worse Precalculus or AP Computer Science Principles?? I have to decide which class i want. PLEASE ANSWER QUICK

Answers

Answer:

Computer Science is more harder so I would go with Precalculus.

Other Questions
A flowerbed has an area of 12 square meters. What is the largest possible perimeter of the flowerbed? If you receive an assignment from your instructor, what should you look at to help determine what your purpose for writing is?A.the nounsB.the length requirementsC.the verbsD.the pronouns Answer number 1 please. Thank you Why is it important for a peer to review your writing, in addition to reviewing it yourself?You still have the ideas in your head, so you may not notice when they did not make it onto the page.You will ignore all of the problems in your report because you wont want to fix the problems.A peer has a better understanding of your topic than you do and can find mistakes. What is the constant of proportionality for this relationship? Between 1870 and 1900, six Western nations colonized perhaps 25 percent of the world and extended informal empire to many places, including:_________A. South AmericaB. South AfricaC. ItalyD. None of above The number of living organisms of a certain kind in a particular area is called afactorecosystemhabitatpopulation I will mark brainiest What do the two Fridas in the image above represent?Example Answer: The Frida on the left, in the white dress, represents her European identity, and the Frida on the right, in a traditional Mexican peasant dress, represents her Mexican identity. 3 CHALLENGE After about how many minuteswould you predict that all the students will finishtheir testing? Sam is designing a survey to determine how people feel about the military adopting a new weapon. Which question would be MOST appropriate for such a survey? A)Should the military adopt the new weapon system called "Skynet?" B)Should the military adopt the new and very expensive weapon system, "Skynet?" C)Should the military adopt a weapon system which could kill millions of people? D)Should the military adopt a weapon system which will ensure that it is up to date? In 16 years' time Jim will be three times his current age. How old will Jim be in 4 years' time? What is the percentage of evidence evaluated in the crime lab that is drug-related?. Name three ways the automobile changed American life. How does the use of an informal writing style best help readers understand the topic?It helps readers find the exact location of a black hole.It helps readers visualize the inside of a black hole in space.It helps readers learn new black hole names and phrases.It helps readers understand how far away black holes are located. True or false: The classic advice given by Dale Carnegie for public speaking is to say what you have to say only once. Help please i need this done!! Common erosional shoreline features include sea stacks, wave-cut platforms, sea caves, and sea arches. wave-cut platforms, sea caves, and sea spits. sea caves, sea arches, and atolls. beaches, and barrier islands. Hello. I need help with this question please.A bag contains red, blue and yellow counters in the ratio 2:3:5a) What fraction of the counters are red?b) 9 of the counters are blue. How many of the counters are yellow?c) How many counters are in the bag?Pls reply with answers to a,b and c please.Thanks conjugate mange in present from