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ASHA 777 [7]
3 years ago
7

A bag contains six real diamonds and five fake diamonds. If six diamonds are picked from the bag at random what is the probabili

ty that at most four of them are real?
Mathematics
1 answer:
NARA [144]3 years ago
5 0

Answer:

((6 choose 4) * (5 choose 2) + (6 choose 5) * (5 choose 1) + (6 choose 6) * (5 choose 0)) / (11 choose 6) = 181/462 = 0.3918

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Marya plans to participate in a 20 km walk-a-thon. To prepare, she walked 4 km on Monday. She plans to increase her walk by 2 km
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It would take 8 weeks
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3 years ago
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Rewrite the following without an exponent ₋7⁻¹.
Nookie1986 [14]
The solution to the answer is as follows:

-7^-1 = -1/7

The expression without an exponent would be simplified to be -1/7.


I hope my answers has come to your help. Thank you for posting your questions here in Brainly. We hope to answer more of your inquiries son. God bless and have a nice day ahead!
6 0
3 years ago
Jamie, Lily, and Alice collectively weigh 192 pounds. Lily is 3 times as heavy as Jamie, and Alice is 11 pounds. Lighter than Li
lbvjy [14]

Answer:

Alice is 47 pounds havier than Jamie.

Step-by-step explanation:

Let be "j" the weight in pounds of Jamie, "l" the weight in pounds of Lily and "a" the weight in pounds of Alice.

Based on the data given in the exercise, we can know that:

j+l+a=192       [Equation 1]

l=3j           [Equation 2]

a=l-11          [Equation 3]

Solve "j" from the Equation 2:

j=\frac{l}{3}

Substitute this equatio  and the Equation 3 into the Equation 1 and solve for "l":

\frac{l}{3}+l+(l-11)=192\\\\\frac{7}{3}l=203\\\\l=(203)(\frac{3}{7})\\\\l=87

Substitute the value of "l" into the equation j=\frac{l}{3} to find "j":

j=\frac{87}{3}=29

 Substitute the value of "l" into the Equation 3 to find "a":

a=87-11=76

Subtract the weight of Jamie from the weight of Alice in order to find how much heavier is Alice than Jamie:

76lb-29lb=47lb

Alice is 47 pounds havier than Jamie.

5 0
3 years ago
Study island question...need help...PLSSSS HELP MEHHHHHH!!! 1 pic included...
OlgaM077 [116]

Answer:

C

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Hope this helps in some way.

4 0
3 years ago
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A student solved this problem and said the answer is 1 10  quart. Lila used 72 5  quarts of paint to paint her room. Renee used
MAXImum [283]

Answer:

b

Step-by-step explanation:

The right answer for the question that is being asked and shown above is that: "B.No, the answer is not reasonable. It should be about 13 quarts."A student solved this problem and said the answer is quart. Lila used quarts of paint to paint her room. Renee used quarts to paint her room. Lila use than Renee No, the answer is not reasonable. It should be about 13 quarts.

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4 years ago
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