1. In how many ways can a committee of eight people to be formed from a group of 6 male, 5 female and 4 students if there are no restrictions, as all members are eligible?

Answers

Answer 1

Answer:

The number of ways is 6435

Step-by-step explanation:

Given

[tex]Male = 6[/tex]

[tex]Female = 5[/tex]

[tex]Students = 4[/tex]

Required

Number of ways a group of 8 can be formed

Here, I'll assume each category of people are distinct:

Hence;

[tex]Total = Male + Female + Students[/tex]

[tex]Total = 6 + 5 + 4[/tex]

[tex]Total = 15[/tex]

Number of ways is then calculated as follows:

[tex]^nC_r = \frac{n!}{(n - r)!r!}[/tex]

Where

[tex]n = 15\ and\ r = 8[/tex]

So, we have:

[tex]^{15}C_8 = \frac{15!}{(15 - 8)!8!}[/tex]

[tex]^{15}C_8 = \frac{15!}{7! * 8!}[/tex]

[tex]^{15}C_8 = \frac{15 * 14 * 13 * 12 * 11 * 10 * 9 * 8!}{7!8!}[/tex]

[tex]^{15}C_8 = \frac{15 * 14 * 13 * 12 * 11 * 10 * 9}{7!}[/tex]

[tex]^{15}C_8 = \frac{15 * 14 * 13 * 12 * 11 * 10 * 9}{7 * 6 *5 * 4 * 3 * 2 * 1}[/tex]

[tex]^{15}C_8 = \frac{32432400}{5040}[/tex]

[tex]^{15}C_8 = 6435[/tex]

Hence, the number of ways is 6435


Related Questions

If f(x)=3x+19 find f (-3a-2)

Answers

Answer: f(-3a-2)=-9a+13

Step-by-step explanation:

To find f(-3a-2), we plug in -3a-2 into f(x).

f(-3a-2)=3(-3a-2)+19              [distribute]

f(-3a-2)=-9a-6+19                  [combine like terms]

f(-3a-2)=-9a+13

Now, we know that f(-3a-2)=-9a+13.

1. What does the slope represent of a graph? (Definition
of Slope)
help!

Answers

Answer:

In mathematics, the slope or gradient of a line is a number that describes both the direction and the steepness of the line. ... Slope is calculated by finding the ratio of the "vertical change" to the "horizontal change" between (any) two distinct points on a line.

Step-by-step explanation:

Consider the following exam question and student solution. Determine whether the solution is correct. If it is not​ correct, write a note to the student explaining why it is wrong and give a correct solution. Exam​ question: You can buy a ​56 pound bag of flour for ​$9 or you can buy a​ 1-pound bag for .39 cents. Compare the per pound cost for the large and small bags. Student​ solution: The large bag price is 56 divided by 9=6.22 ​per​ pound, which is much more than the 39 cent per pound price of the small bag.

Answers

Answer:

actually a 56 pound bag cost =9

so one pound bag cost =9/56=0.16 cents

Step-by-step explanation:

Suppose that the overall probability of living to age 70 is 0.62 and that the overall probability of living to age 80 is 0.23. If a person reaches their 70th birthday, what is the probability that they will live to age 80?

Answers

Given :

P( X = 70 ) = 0.62 .

P( X = 80 ) = 0.23 .

To Find :

We need to find If a person reaches their 70th birthday, what is the probability that they will live to age 80 .

Solution :

We need to find :

[tex]P(X=70 | X=80 )[/tex]

We know ,

[tex]P(x,y ) = \dfrac{P(x)}{P(y)}[/tex]

So ,

[tex]P(X=70 | X=80 )=\dfrac{P(X=80)}{P(X=70)}\\\\=\dfrac{0.62}{0.23}=0.371[/tex]

Hence , this is the required solution .

Can someone help me with this I will make you brainliset

Answers

Answer:

I believe the answer is statements 1, 4, and 6.

Step-by-step explanation:

Answer:

1.4 and 1.7

Step-by-step explanation:


[tex] \sqrt{2k ^{2} + 17 } - x = 0[/tex]

If k>0 and x=7 in the equation, what is the value of k?​

Answers

Answer:

[tex]k=4[/tex]

Step-by-step explanation:

So we have the equation:

[tex]\sqrt{2k^2+17}-x=0[/tex]

Where:

[tex]k>0\text{ and } x=7[/tex]

And we want to find k.

Firstly, let's substitute 7 for x. So:

[tex]\sqrt{2k^2+17}-7=0[/tex]

Now, we can solve for k. Add 7 to both sides:

[tex]\sqrt{2k^2+17}=7[/tex]

Square both sides:

[tex]2k^2+17=49[/tex]

Subtract 17 from both sides:

[tex]2k^2=32[/tex]

Divide both sides by 2:

[tex]k^2=16[/tex]

Take the square root of both sides:

[tex]k=\pm\sqrt{16}[/tex]

Evaluate:

[tex]k=\pm 4[/tex]

Remember that we are told k>0. In other words, k must be positive. So, we can ignore the negative answer, giving us:

[tex]k=4[/tex]

So, the value of k is 4.

And we're done!

Write in standard form.
2.87 x 104

A.28,700
B. 0.000287
C. 2,870
D. 287,000

Answers

Just multiply 10 times 10 times 10 times 10 then multiply 2.87 and it’ll get you A, or just use Siri like me

The general form of the number is 28,700. The correct option is A.

What is a standard form?

Any value between 1.0 and 10.0 that can be expressed as a decimal number and multiplied by a power of 10 is referred to as being in standard form.

The given number is 2.87 x 10⁴. The general form of the number can be written as:-

2.87 x 10⁴ = 2.87 x 10000

2.87 x 10⁴  = 28700

Multiply 2.87 by 10000 we will get the general form 28700 for the number.

Therefore, the general form of the number is 28,700. The correct option is A.

To know more about the standard form of the number follow

https://brainly.com/question/17136267

#SPJ5

please help me guys im lost​

Answers

Answer:

  D.  BC ≅ EF

Step-by-step explanation:

ASA means you're trying to show congruence by showing two angles A..A and the segment between them ..S.. are congruent. The figure shows two congruent angles. What remains is to show the segments between are congruent.

__

In ∆ABC, the marked angles are B and C, so the segment between them is BC.

In ∆DEF, the marked angles are E and F, so the segment between them is EF.

These are the segments that need to be shown congruent if you're using ASA.

  BC ≅ EF

I NEED HELP ASAP!!!!!!!!

Answers

Answer:

you can say how u shop a discount stores like shein and shop for clearance. You can also say that u used to spend money to keep up with the trends but u realized u needed the money for other important things, so u stopped

Step-by-step explanation:

Hotel manager salary and 61,410 which is a 15 increase over the previous year salary what was the previous year salary

Answers

do you mean 15% increase?

Зr + 4 = 12 = Зr
What is the answer

Answers

Answer:

r = 8

Step-by-step explanation:

Solve for r:

r + 4 = 12

Subtract 4 from both sides:

r + (4 - 4) = 12 - 4

4 - 4 = 0:

r = 12 - 4

12 - 4 = 8:

Answer: r = 8

5% of what number is 90?

Answers

Hey there!

ANSWER: [tex]4.5 \text { and }1800[/tex]

EXPLANATION:

5% of what is 90?

If you want to find 5% of what is 90, you can try doing 90/5%.

[tex]90/5[/tex]%[tex]=1800(ANSWER)[/tex]

To get the decimal form, you can do 90*5%.

[tex]90*5[/tex]%[tex]=4.5(ANSWER)[/tex]

Hope this helps!

[tex]\text {-TestedHyperr}[/tex]

Factor the given polynomial.
9z^2 +15z +4
Select the correct choice below​ and, if​ necessary, fill in the answer box within your choice.
A. 9z^2 +15z +4=
B.The polynomial is prime.

Answers

Answer:

(3z + 1)(3z + 4)

Step-by-step explanation:

[tex]9 {z}^{2} + 15z + 4 \\ = 9 {z}^{2} + 3z + 12z+ 4 \\ = 3z(3z + 1) + 4(3z + 1) \\ = (3z + 1)(3z + 4)[/tex]

please solve as fast as possible...
No spams please......​

Answers

Answer:

In ∆ABD and ∆ACD

<BAD =<CAD ( each are half of <A )

<D=<D ( each equal to 90°)

AD = AD ( common)

So ∆ ABD is congruent to ∆ ACD.

Then AB =AC (by C.P.C.T)

Hence,∆ABC is an iso - sceles triangle.

solve system

a = 5 - 2b; a +2b = 6

Answers

Answer:

This System has no solutions.

537²×15.90²=74²

I know this looks like pythagorean theorem. But how do they teach this to high schooler?​

Answers

Answer:

It looks like this question is not solvable. So, if this is absolutely correct, write "no solution".

Step-by-step explanation:

Below is the first step to attempt solving the equation.

The little twos at the top of each number are called exponents. This means a number times itself.

So,

537*537=288,369

15.9*15.9=252.81

74*74=5476

Now, take the 288,369*252.81 to get a total of 72,902,566.89 .

Since this answer is (obviously) not equal to the 5476 on the other side, the two are not equal.

Here's how you'd work it out on paper to show it isn't solvable.

(537*537)*(15.9*15.9)= (74*74)

(288,369)*(252.81)= 5476

72,902,566.89 ≠5476

So the answer would be:

Not solvable.

the radius of a circular playground is 77 metre.Calculate the distance covered by a runner in 5 complete rounds around the ground.​

Answers

Answer:

2419.0265 meters

Step-by-step explanation:

To find the answer you must first find the circumference of the circle. The circumference formula is C = 2 \pi r. So if you plug in 77 you get 483.8053. Then multiply that by 5 and you will have your final answer.

how to solve |-6y|-9>-1

Answers

Answer:

y < -4/3 or y > 4/3

Step-by-step explanation:

|-6y| -9 > -1Since this is an absolute value inequality, we need two equations to set up to solve for y1st equation:-6y - 9 > -12nd equation:6y - 9 >  -1Solve both equations:-6y-9>-1-6y > 8y < -4/36y -9 > -16y > 8y > 4/3

10 + (-4) Show Example

Answers

Answer:

6

Step-by-step explanation:

10

-6

=6

Adding a negative number is simply subtraction.

10-4=6

The sum of three consecutive natural numbers is 540, find the numbers.

Answers

Answer:

179, 180, 181

Step-by-step explanation:

a +a +1 +a +2 =540

3a +3 =540

3a =540 - 3

3a=537

a=537 :3

a=179 (the first number

b=179 +1 =180 (the second number

c=179 +2 =181 (the third number

Identify each of the following variables as qualitative or quantitative. a. Favorite baby name b. Color of car c. Storage space on a computer drive d. Electrical current a. Is the variable qualitative or​ quantitative? Why? A. Favorite baby name is a qualitative variable. Its values are numerical. B. Favorite baby name is a quantitative variable. Its values are numerical. C. Favorite baby name is a qualitative variable. Its values are not numerical. D. Favorite baby name is a quantitative variable. Its values are not numerical.

Answers

Answer:

C. Favorite baby name is a qualitative variable. Its values are not numerical.

Color of car is a qualitative variable. Its values are not numerical.

Storage space on a computer drive is a quantitative variable. Its values are numerical.

Electrical current is a quantitative variable. Its values are numerical.

Step-by-step explanation:

A qualitative variable is a variable that is categorical and isn't numerical.

For example, your favourite baby names and colours are categorical, they cannot be measured on a numerical scale

Quantitative Variable are  variables that can be measured on a numeric scale.  Ordinal, interval and ratio scales are quantitative scales.

Storage space can be measured on a numeric scale e.g. the storage space has 400 GB

Electric current can be measured on a numeric scale e.g. eclectic current is 50 volts

What is non-collinear?

Answers

Answer:

Non-colinear means that three given points do not have a single line connecting all 3 of the points.

Describe the difference between the variance between samples MSB and the variance within samples MSW

Answers

Complete Question

The complete question is shown on the first uploaded image

Answer:

The correct option is C

Step-by-step explanation:

Generally

       [tex]MS_B[/tex] stand for Mean Square Between which the mean calculated based on the difference between the sample means

While

 [tex]MS_W[/tex] stands for Mean Square Within which the mean calculated based on the difference between the elements within the set(group)

   Thus  

The [tex]MS_B[/tex]  measures the differences related to the treatment given to each sample. The [tex]MS_W[/tex]  measures the differences related to entries within the same sample.

explain the process to calculate the distance between A= (9,7), B= (3,2)

Answers

Answer:

Step-by-step explanation:

Distance Formula in Pic

You just plug in the numbers for x1,y1 and x2,y2

A is your x1 and y1

B is your x2 and y2

after plugging it you do PEMDAS and solve it


Martha has 90 red tiles and 72 yellow tiles. She wants to place the tiles in rows using one color for each row without having any tiles left
over. Each row must have the same number of tiles. What is the greatest number of tiles Martha can use for each row?

Answers

Answer:

18 tiles

Step-by-step explanation:

If she wants to find the greatest number of tiles for each row, she will want to use up all the tiles. This means we are looking for the highest common factor between the numbers 90 and 72, so all the tiles can be used up in the rows. In order to find the highest common factor we multiply together all the common prime factors between the two:

90 has the prime factors 2x3x3x5

72 has the prime factors 2x2x2x3x3

The prime factors that are common to both are 2, 3 and 3 which multiply together to get:

2x3x3 = 18

The greatest number of tiles Martha can use for each row is 18 and would result in 5 rows of red tiles and 4 rows of yellow tiles.

Hope this helped!

Could I get some help on these please? Will give points.

Answers

Answer:

X=-4, Y=22, idk about the CBD

Step-by-step explanation:

4y+2=90 degrees

subtract 2 on both sides you would get

4y=88 divide 4 with 88 and get 22

solve both X's so 5x+6=3x-2

i would subtract 3x first so i can get

2x+6=-2

then subtract 6 on both sides so you would have

2x=-8 divide -8 with 2 and get -4  

115% of what number is 138?

Answers

Answer:

120

Step-by-step explanation:

120 * 1.15 = 138

Answer:

120

Step-by-step explanation:

115% of the number 120 is 138

A turtle was swimming 2 feet below the surface of a pond. While looking for food, he went
down 7 more feet
What is the position of the turtle now relative to the surface of the pond?

Answers

Answer:

-9 feet

Step-by-step explanation:

The turtle was already at -2 feet below sea level, then the turtle went 7 more feet down. Which means that -2 +7 = -9

please help me fast
hope its easy for ya

Answers

Answer:

(1) 5x+14

(2)5x+15

(3) x^2 + 7x

(4) 4x+13

(5) x^2 +5x

(6) 6x+16

(7)x^2+4x

Chance left the park traveling 10 mph. Then, 2 hours later, Malik left traveling the same direction at
14 mph. How long until Malik catches up with Chance?

Answers

Answer:

8 hours

Step-by-step explanation:

after 8 hours chance will have traveled 100 miles and malik will have traveled 102 miles.

Other Questions
A Home Away from HomeWhen summer finally arrived and eighth grade ended, my thoughts turned to Grandma Rose and her small farm in South Carolina. I couldn't wait to sit with her on the porch and listen to her tell old family stories. Every summer, my parents, my younger brother and sisters, and I drove down to the farm from our apartment in Baltimore. Aunts, uncles, and cousins from other parts of the country joined us there. We all came to spend time together, share memories, and celebrate Grandma Rose's birthday.I was named Caroline Rose after my Grandma Rose because we shared the same birthday. Grandma Rose referred to us as the "birthday gals," and we had our photograph taken together every year. This year, I was turning 15 and Grandma Rose was turning 84. In addition to having the same name and birthday, we shared other traits as well. "Caroline Rose, you're just as strong-willed as your Grandma Rose," Mama used to say to me in exasperation. I loved Grandma Rose and I wanted to be like her, so I didn't mind.Daddy called the 12-hour drive to the farm "our pilgrimage," because it was a journey we made every summer to a place we held sacred. Our preparations felt just as sacred as our destination. The morning before the trip, my younger siblings and I pulled open closets and dresser drawers searching for shorts, bathing suits, and matching flip flops, which we packed in garbage bags. "Easier to fit a bunch of squishy garbage bags in the car than four bulky suitcases," Mama reasoned.In the late afternoon we ate a supper of odds and endswhatever was in the fridge that needed to be eaten before we left for two weeks: cold ham and macaroni salad, peanut butter and jelly on toast, scrambled eggs and bacon. It was always a surprise to see what Mama came up with for our pre-trip dinner.Before an extra early bedtime, we fixed up the car so my brother and sisters and I would be comfortable during the long drive. We spread quilts on the seats and packed novels, coloring books, comic books, chewing gum, playing cards, and craft projects to keep ourselves busy. Then we went to bed with our clothes on. When our parents woke us up at three a.m., we shuffled into the car with our bed pillows and fell back asleep as Daddy began the long drive south.Twelve hours later, we pulled up in front of Grandma Rose's old white house and burst out of the car. Many relatives had already arrived. Aunts and uncles squeezed the children, but we cousins greeted each other shyly.It was my private custom to walk through the house and make sure everything was just as I remembered itsame pictures of birds and flowers hanging on the dining room wall, same green-and-yellow striped armchairs in the living room, same squeaky screened door leading out to the porch. In the kitchen, I'd stop to breathe in the house's familiar smells. Being back in this house made me feel like a long-lost book that had finally been returned to its owner and put back on the shelf where it belonged.For the cousins, the annual visit was a way of measuring our growth, both physical and emotional. How much taller were we this summer? Which barn shelf could we reach? What would we be allowed to do this summer, now that we were a year older? The group of older cousins, which included me, talked about who had boyfriends or girlfriends. Last year, I'd turned bright red when this topic came up. This summer I did too, but now I had my boyfriend, Cash, to talk about.I didn't realize then that the grown-ups were measuring themselves, too, but they used different standards: Who had new babies, grandbabies, or children starting high school or college? Who was ready to retire? How bad was the arthritis?After dinner that first night, Grandma Rose and I sat down together on the porch to look through our birthday bookthe little book that held our birthday photos. There were plenty of empty pages, and I wanted Grandma Rose and me to fill them up with years and years of birthday pictures. It was another kind of measuring stick.Grandma Rose and I sat quietly for a while, just the two of us, just as I'd hoped we would. I was so grateful to be back on the farma place full of people I'd known and loved my whole life, with Grandma Rose at the center of our family universe.Read the central idea from "A Home Away from Home."Going to Grandma Rose's farm was a special tradition for the author and her family.How does the author develop this central idea over the course of the memoir?Select the two correct answers.by describing the ways the cousins seemed different each summer on the farmby describing the trip as a pilgrimage, or an annual journey to a sacred placeby explaining that both the cousins and the grown-ups changed over the yearby explaining that the family's preparations for the trip were also important Erics kite spool had 100 yards of string. At first, he let out 50 feet of string.Then, the kite rose for another 16 yards. How much string was left on the spool? I just need help with the, its due today and Im dying. 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In at least seventy-five words, describe how Gandhi felt about his impending wedding. Use details from the text to support your answer. determine the value of the expression. -56*-8+(-3) will get brainiest and 20 points!! How do I draw this with colour pencils only? find the indicated unknown angle measure. Do biotic and abiotic ever overlap? What information can be used to compare linear relationships. Explain why Which use of figurative language most clearly conveys playfulness?O A. The blue clouds drooped down from the sky and surrendered theirrain.B. Clouds shrouded the mountain peaks and hid their forests.C. The sun tore through the armor of cloud to sear the land below.D. Snowflakes twirled down like confetti from winter's parade.