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mixer [17]
3 years ago
8

A bag contains 4 red marbles, 8 blue marbles and 2 green marbles. If two marbles are drawn out of the bag, what is the exact pro

bability that both marbles drawn will be red?
Mathematics
1 answer:
navik [9.2K]3 years ago
7 0
Well if you add all the numbers together, the total is 14. So 4/14 chance of pulling out a red marble.
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The last answer is highlighted becausese its wrong. Please help me
LenaWriter [7]
Multiplication Property of Equality: They multiplied both sides by 5/3 to isolate x on the left

8 0
3 years ago
Kiran's mother gets a restaurant bill for $25. She has a coupon for 15% off. After the
PtichkaEL [24]

Answer:

$25.50

Step-by-step explanation:

So we have a 15% off coupon. We can multiply 25×.85 to find our new price.

Our total is now $21.25

Now to find the tip do $21.25 +(.2 × 21.25)

*The .2 is 20 percent of our discount price.*

We then get $25.50

8 0
3 years ago
A particular employee arrives at work sometime between 8:00 a.m. and 8:30 a.m. Based on past experience the company has determin
Gala2k [10]

Answer:

0.3333 = 33.33% probability that the employee will arrive between 8:15 a.m. and 8:25 a.m.

Step-by-step explanation:

A distribution is called uniform if each outcome has the same probability of happening.

The uniform distributon has two bounds, a and b, and the probability of finding a value between c and d is given by:

P(c \leq X \leq d) = \frac{d - c}{b - a}

A particular employee arrives at work sometime between 8:00 a.m. and 8:30 a.m.

We can consider 8 am = 0, and 8:30 am  = 30, so a = 0, b = 30

Find the probability that the employee will arrive between 8:15 a.m. and 8:25 a.m.

Between 15 and 25, so:

P(15 \leq X \leq 25) = \frac{25 - 15}{30 - 0} = 0.3333

0.3333 = 33.33% probability that the employee will arrive between 8:15 a.m. and 8:25 a.m.

8 0
2 years ago
Can you help me plz <br><br> take your time tho
AnnZ [28]

Answer:

d

Step-by-step explanation:

the reasoning for this is because you count all the 2's and the little number in the corner and then you can't leave the 7 so you put the x7 for that reason

7 0
2 years ago
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In how many different ways can seven children line up in one row to have their picture taken?
wolverine [178]

49 should be the correct answer.

-TheOneandOnly003


8 0
3 years ago
Read 2 more answers
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