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madreJ [45]
3 years ago
5

Please help! I will give Brainliest!

Mathematics
1 answer:
diamong [38]3 years ago
3 0
There are 9+7+6=22 marbles in total. The probability of selecting a yellow marble would be 9/22. By replacing that yellow marble with a green marble, you aren't changing the total marble count, so the probability of selecting a green marble would be 7/22. Because the two events are independent, their probabilities will get multiplied. Therefore, P(Yellow, then Green) = P(Yellow) * P(Green) = 9/22 * 7/22 = 63/484.
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A single card is drawn from a deck. Find the probability of selecting
shepuryov [24]

Answer:

A. 1/2.

B. 15/26.

Step-by-step explanation:

Note when you have an 'OR' in the statement we <u>add </u>the probabilities.

A .  Club or a diamond . There are 13 clubs and 13 diamonds so

The Required Probability =  13/52 + 13/52

= 1/4 + 1/4 = 1/2.

B. There are 4 jacks and 26 black cards.

The Required Probability =   4/52 + 26/52

= 1/13 + 1/2

= 2/26 + 13/26

= 15/26.

5 0
3 years ago
You are tired at the end of the term and decide to borrow $500 to go on a trip to whatever land. You go to the bank and borrow t
seropon [69]

Answer:

A)55

B)110


Step-by-step explanation:500 /11%=55

55*2=110






3 0
2 years ago
The total commission, in dollars, Jessie earned on selling cars at a dealership in two weeks is given by the expression 800+400x
Minchanka [31]

Answer: B. Jessie sold 2 cars in the first week and x number of cars in the second week, earning a commission of $400 on each car.

Step-by-step explanation:

The options include:

A. Jessie earned a total commission of $800 in the first week and x dollars in the second week.

B. Jessie sold 2 cars in the first week and x number of cars in the second week, earning a commission of $400 on each car.

C. Jessie sold 1 car in the first week, earning $800, and x number of cars in the second week, earning a total commission of $1,200.

D. Jessie earned a commission of $800 on each car in the first week and $400 on each car in the second week, selling x number of cars each week.

The situation that could be described by this expression will be option B "Jessie sold 2 cars in the first week and x number of cars in the second week, earning a commission of $400 on each car". This will be:

= (400 × 2) + 400(x)

= 800 + 400x

7 0
3 years ago
At the city museum child admission is $5.70 and the adult admission is $9.60 on Thursday,186 ticket were sold for a total sales
QveST [7]
I hope this helps you

8 0
3 years ago
Solve similar triangles
nalin [4]

Answer:

7.5 ?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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