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Alisiya [41]
3 years ago
13

BRAINLIEST!!

Mathematics
2 answers:
katrin2010 [14]3 years ago
7 0

Answer:

1/20

Step-by-step explanatio

pick without replacement must mean pick it two times without put back the first chip

6/25 x 5/24 = 1/20

tekilochka [14]3 years ago
6 0

Answer:

\frac{1}{20}

Step-by-step explanation:

First, we need to look at the # of chips. There are a total of 25, 6 of which are blue.

This means that the chance of getting the first blue chip would be \frac{6}{25}

As there is no replacement, the total number of chips is 24 and there are only 5 blue left. This gives us the chance of \frac{5}{24}

Now all we need to do is mulitply these two and then simplify

\frac{6}{25} *\frac{5}{24} =\frac{30}{600} =\frac{1}{20}

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HELPP MEEE PLEAAASEE
Elanso [62]

Answer:

probability of left handed female is

\frac{31}{140}

Step-by-step explanation:

you have 140 employees, and we know 65 employees are male. to work out how many female employees we minus 65 from 140 to get 75 female employees

140 - 65 = 75

we are told 31 females are left hand, to work out how many female are right handed we do 75-31 which equals 44 right handed females

75 - 31 = 44

if 90 of the total employees are right handed, and 44 females are right handed, in order to find how many males are right handed we do 90-44 which gives us 46 right handed males

90 - 44 = 46

to workout how many males are left handed, since we have 65 makes and 46 are right handed, just go 65-46 which gives us 19 left handed males

65 - 46 = 19

in order to find the probability of choosing a left handed female out if 140 employees, since we know there are only 31 left handed females out of 140 employees we just go

\frac{31}{140}

7 0
4 years ago
Question 1 of 10
Sonbull [250]

The statement regarding the expansion of (x + y)" that is correct is D. The coefficients of yn - 1 and yn – 1 both equal 1.

<h3>How to expand?</h3>

It should be noted that for any positive integer, n, the expression of (x + y)^n will be C(n,0)x^n + C+n, 1)x^n-1 .... C(n, n)y^n.

Here, the statement regarding the expansion of (x + y)" that is correct is that the coefficients of yn - 1 and yn – 1 is both equal to 1.

Learn more about expansion on:

brainly.com/question/29114

#SPJ1

8 0
2 years ago
I need help ASAP<br> On number 2
kati45 [8]
No problem! 
Okay you must set and equation. 
$40 × ? = 10 
I used multiplication because when things are discounted, they are multiplied by decimals 
? = \frac{10}{40}
\frac{10}{40} is equal to \frac{1}{4}

1/4 is 25%
The item needs to be marked down 25% to buy and get a discount of $10

6 0
3 years ago
Read 2 more answers
chris drove 320 miles using 12 gallons. at this rate how gallons of gas would he need to drive 296 miles
Alona [7]

hmm. i dont get it kinda.

4 0
3 years ago
Solve the system of equations and choose the correct orderd pair 4x-2y=-2 and 6x+3y=27
insens350 [35]

Answer:

the answer is written in the picture

6 0
3 years ago
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