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UNO [17]
3 years ago
9

PLZ HELP ME PLZZZ I WILL GIVE BRAINLIEST......I REALLY NEED THE ANSWERS.

Mathematics
1 answer:
larisa86 [58]3 years ago
3 0

Answer:

2,4,2,1.7

Step-by-step explanation:

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A committee consists of 8 men and 11 women. In how many ways can a subcommittee of 3 men and 5 women be chosen?
PIT_PIT [208]

Answer:

25872 ways

Step-by-step explanation:

We're choosing 5 women from a group of 11 and 3 men from a group of 8. We don't care about what order they are picked and so we'll use the combination formula, which is:

n!/(k!)(n-k)! with n as population and k as picks.

We'll multiply the results together. (8! / (3!)(8-3)!) * (11! / (5!)(11-5)!)

That equals: (8! / (3!)(5!) ) * (11! / (5!)(6!)) = 40320/(6x120) * 39916800/ (120x720)

56 * 462 = 25872

8 0
3 years ago
I need help to do this question?
avanturin [10]

Answer:

you multiply 2 by everything in the first parenthesis and get 2x+10

then you multiply -3 by everything in the second parenthesis and get -3x-18

so you have 2x+10-3x-18

combine like terms and you get -1x-8 or -x-8

Hope This Helps!            Have A Nice Day!!

6 0
3 years ago
Read 2 more answers
Beth's scores on the six Physics tests she took this semester are 100, 95, 55, 85, 75, and 100. For this population, how many sc
ra1l [238]

2+2=4

3+1=4

1+1+1+1=4

5-1=4

4= THE WORLD!!!!!!!!!!!!!!!!!!!!!!!!!!!

8 0
3 years ago
Read 2 more answers
After Jackson plays for 9 min his mom tells him he has used up 30% of his time. How many more min can he play?
Arte-miy333 [17]
You can use this method: part = percent •whole.
Your percent is .30 and your part is 9.
9=.3x
You now divide 9 by .3 which is 30. His total time is 30 minutes. Now you need to subtract how many minutes be played already from his total play time. 30 - 9 would be 21. He has 21 more minutes to play.
3 0
4 years ago
solve the following quadratic equation using the quadratic formula and then choose the correct solution set 8x2-6x+1=0
MrRa [10]

Answer:

The solutions to the quadratic equation using the quadratic formula will be:

x=\frac{1}{2},\:x=\frac{1}{4}

Step-by-step explanation:

Given the equation

8x^2-6x+1=0

solving with the quadratic formula

\mathrm{For\:a\:quadratic\:equation\:of\:the\:form\:}ax^2+bx+c=0\mathrm{\:the\:solutions\:are\:}

x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

\mathrm{For\:}\quad a=8,\:b=-6,\:c=1

x_{1,\:2}=\frac{-\left(-6\right)\pm \sqrt{\left(-6\right)^2-4\cdot \:8\cdot \:1}}{2\cdot \:8}

as

\sqrt{\left(-6\right)^2-4\cdot \:8\cdot \:1}=2

so

x_{1,\:2}=\frac{-\left(-6\right)\pm \:2}{2\cdot \:8}

Separating the solution

x_1=\frac{-\left(-6\right)+2}{2\cdot \:8},\:x_2=\frac{-\left(-6\right)-2}{2\cdot \:8}

solving

x_1=\frac{-\left(-6\right)+2}{2\cdot \:\:8}

    =\frac{6+2}{2\cdot \:8}

   =\frac{8}{16}

   =\frac{1}{2}

and

x_2=\frac{-\left(-6\right)-2}{2\cdot \:8}

   =\frac{6-2}{2\cdot \:\:\:8}

    =\frac{4}{16}

    =\frac{1}{4}

Therefore, the solutions to the quadratic equation using the quadratic formula will be:

x=\frac{1}{2},\:x=\frac{1}{4}

4 0
3 years ago
Read 2 more answers
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