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NNADVOKAT [17]
3 years ago
10

The events A and B are independent such that P(A)=0.5 and P(B)=0.7.

Mathematics
1 answer:
pochemuha3 years ago
8 0

Answer:

the answer to this is 0.15 #4

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Over the three evenings,Karen received a total of 137 phone calls at the call center. The third evening, she received 4 times as
marin [14]

Answer:

1st: 22, 2nd: 27, 3rd: 88

Step-by-step explanation:

Make an equation

If she recieved x calls the 1st evening, then the 2nd evening she recieved x+5, and the 3rd evening she recieved 4x.

x+x+5+4x=137

Combine like terms

6x+5=137

Subtract 5 from both sides

6x=132

Divide by 6 on both sides

x=22

First:

22 calls

Second:

x+5

22+5

27 calls

Third:

4x

4*22

88 calls

Hope this helps!

3 0
3 years ago
Which credit card should receive the highest payment if Max snowballs his debt according to the interest rate?
irina [24]

Answer:D

Step-by-step explanation:

4 0
3 years ago
ou have space in your garden for 60 small flowering bulbs. Crocus bulbs cost $0.45 each and daffodil bulbs cost $0.65 each. Your
bogdanovich [222]

9514 1404 393

Answer:

  • 20 crocus
  • 40 daffodil

Step-by-step explanation:

Let d represent the number of daffodil bulbs you buy. Then 60-d is the number of crocus bulbs. The total cost will be ...

  0.45(60 -d) +0.65(d) = 35.00

  27 +0.20d = 35

  0.20d = 8 . . . . . . . . . subtract 27

  d = 40 . . . . . . . . . . multiply by 5

  60 -40 = 20 . . . . . crocus bulbs

You can buy 20 crocus bulbs and 40 daffodil bulbs for $35.

7 0
3 years ago
A card is drawn from a standard deck of 52 playing cards. Find the probability that the card is a four or a queen
laiz [17]
8/52 have a great day
3 0
3 years ago
Using the following data set calculate the mean 9,14,14,9,20,6,8,19,17,13,9
Ainat [17]
12.545 is the answer
8 0
2 years ago
Read 2 more answers
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