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3 years ago

Please answer this question will mark as brainliest and 15 points

Mathematics

2 answers:

grandymaker [24]3 years ago

7 0

Your answer would be A Because Plus or minus 6 If you subtract 6 from 690 you get 684 and if you add 6 you get 696. Plus the number of golf balls has to equal 684 or higher and 696 or lower.

Lubov Fominskaja [6]3 years ago

3 0

690-6 = 684

690+6 = 696

the answer is A

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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

Is 1/4 rational or irrational?

Leokris [45]

It is rational because it can be represented by p/q form where p and q are whole number

4 0

3 years ago

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Which expressions give the monthly pay of an employee with 33 hours of training

Artemon [7]

Answer:

A-33(PAY) OR 33(P)

B-33 x pay or 33 x p

C-hours(33)or H(33)

D-pay(33) or p(33)

its D is correct hope this helps

8 0

3 years ago

I don't know any of these can y'all give me the answers?

galben [10]

Well the measure of angle 1 in problem 1 is 62, in problem 2 is 90, problem 3 is 45, and problem 4 is 60

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4 years ago

How do i do this problem 0.25(x+4)-3=28

KiRa [710]

Distribute the .25 to get .25x + 1 - 3 = 28

Then simplify to get .25x - 2 = 28

Move the two to the right to get .25x = 30

Then divide to leave x: 30 / .25 = 120

X = 120

6 0

3 years ago

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