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AVprozaik [17]
3 years ago
8

A bag has 3 white scraps,2 yellow scrapes,and 3 black scraps.You randomly pull a scrap from the bag,keep it out,and then pull ou

t another one What is the probability of not getting a white and then not getting a white?Write your answer as a fraction
​
Mathematics
2 answers:
WINSTONCH [101]3 years ago
5 0

Answer:

25/56

Step-by-step explanation:

Prob of white = 3/8

Probability of not white = 1 - 3/8

= 5/8

Second pick without replacement

Probability of white = 2/7

Probability of not white = 1 - 2/7

= 5/7

Total probability = 5/8 x 5/7

= 25/56

cricket20 [7]3 years ago
4 0

Answer:

25/56

Step-by-step explanation:

Prob of white = 3/8

Probability of not white = 1 - 3/8

= 5/8

Step-by-step explanation:

Probability of white = 2/7

Probability of not white = 1 - 2/7

= 5/7

Total probability = 5/8 x 5/7

= 25/56

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2. Gerald was given the following problem to solve for the length of the "?". He has made a mistake in his work.
Degger [83]

Answer:

x = 18.7

Step-by-step explanation:

Gerald's answer is almost correct.  

He just needs to switch the 14 and the x.

it should be

24/x = 18/14

solve for x by cross multiplication

18x = (24)(14)

18x = 336

x = 18.7

5 0
3 years ago
Jess deposited $5,000 into an account that earns simple interest. After 9 years, Jess had earned $3,150 in interest. What was th
musickatia [10]

Answer:

The interest rate of Jess's account was 7%

Step-by-step explanation:

A = P * (1 + rt)

A = final amount

P = initial principal balance

r = annual interest rate

t = time (in years)

Replacing with the values we know:

A =  P * (1 + rt)

8,150 = 5,000 * (1 + r * 9)

8,150/5,000 = 1 + 9r

1.63 = 1 + 9r

1.63 - 1 = 9r

0.63 = 9r

r = 063/9

r = 0.07 = 7%

The interest rate of Jess's account was 7%

4 0
3 years ago
Read 2 more answers
When you flip a biased coin the probability of getting a tail is 0.41.
harina [27]
It would be 0.59. :))
8 0
3 years ago
Help need it done for tomorrow ​
Gelneren [198K]

Step-by-step explanation:

the law of sines :

a/sin(A) = b/sin(B) = c/sin(C)

with the sides being opposite to the angles.

so,

14/sin(80) = x/sin(60)

x = 14×sin(60)/sin(80) ≈ 12.3cm

4 0
3 years ago
Need answer fast thx
bagirrra123 [75]

Answer:

thats A daddy-o

Step-by-step explanation:

there are 4 out of 12

1/3

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6 0
3 years ago
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