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Nat2105 [25]
3 years ago
15

PLEASE HELP!! • Which of these are equivalent to -11/4 ? Choose ALL that apply.

Mathematics
1 answer:
weeeeeb [17]3 years ago
5 0

Answer: -11 divided by 4 , 11 divided by -4 , -11/4 , 11/-4 ,

Step-by-step explanation:

I got it right on iready

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Twenty identical looking packets of white power are such that 15 contain cocaine and 5 do not. Four packets were randomly select
xxMikexx [17]

Answer:

The probability of selecting randomly 6 packets such that the first 4 contain cocaine and 2 not is 0.3522.

Step-by-step explanation:

Probabilities of selecting 4 packets with the ilegal substance:

(\frac{15}{4})\\= \frac{15!}{4!(15-4)!}

Combinassions possible= 1365

Probabilities of selecting 2 packets with white powder:

(\frac{5}{2})= \frac{5!}{2!(5-2)!}

Combinations possible= 10

Probabilities of selecting 6 packets from the totality of them:

(\frac{20}{6}) = \frac{20!}{6!(20-6)!}

Combinations possible= 38760

The probability of picking 4 with the substance and 2 with only white powder is:

\frac{(15ncr4)(5ncr2)}{(20ncr6)} = 0.3522

I hope this answer helps you.

6 0
3 years ago
What is the solution to 1/5y+1/8=3/20​
Tamiku [17]

Answer:

y=1/8

Step-by-step explanation:

7 0
3 years ago
Am i correct ?? for a brainly and pls explain
Paladinen [302]

Answer:

Yes.

Step-by-step explanation:

Because

6*4 =24

and 4*0 = 0,

24+0=24

have a nice day!!!

7 0
2 years ago
Read 2 more answers
Please answer these questions! Need help!
astra-53 [7]

Answer:

Question 2  is $500 and Question 3 is 5

Step-by-step explanation:

3 0
3 years ago
Please.<br>solve the system of equations
Talja [164]

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form: (3,2)

Equation form:

x = 3

y = 2

4 0
3 years ago
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