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4vir4ik [10]
3 years ago
11

Assume that the drawer contains 15 coins: 5 quarters, 3 dimes, and 7 nickels. one coin is randomly selected. what is the expecte

d value of the coin selected (in cents)?
Mathematics
1 answer:
kow [346]3 years ago
6 0
Is it a probability problem or...
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Brock exercises every day. The function E = 15m + 5 represents the number of sit-ups he can do in m minutes. After drinking a ne
adoni [48]

Answer:

S=45m+15

Step-by-step explanation:

we have

E------>the number of sit-ups

m---->  the time in minutes

S----> the number of sit-ups after drinking the sports drink

E=15m+5 ----> equation A

S=3E ----> equation B

substitute the equation A in the equation B

S=3(15m+5)

S=45m+15

7 0
3 years ago
In a drawer there are 6 black socks,8 white socks,2 red socks, and 4 blue socks. A boy takes one socks from the drawer, without
galina1969 [7]

Answer:

1/5

Step-by-step explanation:

Chance is also referred to as probability

probability = Number of event/Total samples space

If there are 6 black socks,8 white socks,2 red socks, and 4 blue socks in a drawer, the total number of socks will be the sample space

Sample space = 6 + 8 + 2 + 4

Sample space = 20socks

Total number of blue socks is the event

Number of event = 4 blue socks

Chance that the socks is blue = n(E)/n(S)

Chance that the socks is blue = 4/20

Chance that the socks is blue = 1/5

3 0
3 years ago
11 ÷ 924 in long division
Goryan [66]

Answer:

231  your welcome

Step-by-step explanation:

4 0
3 years ago
Given DB=42 AD=26 and SAE=52
blsea [12.9K]

Answer:

AC=42

EB=21

BC=26

thats all i know, sorry hope u figure it out

Step-by-step explanation:

4 0
3 years ago
Write an algebraic equation for the situation:
Diano4ka-milaya [45]

Answer:

ernie=X  so Daniel = X-6

Step-by-step explanation:

5 0
4 years ago
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