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BARSIC [14]
2 years ago
5

2-10n more math homework :|

Mathematics
1 answer:
creativ13 [48]2 years ago
4 0

Step-by-step explanation:

Yea we need more information.

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3 0
3 years ago
Read 2 more answers
Assume every 10-digit natural number is a possible telephone number except those that begin with 0, 1 or 2. What fraction of tel
lana [24]

Answer: 1/70

Step-by-step explanation:

This is a question that can also be interpreted as what is the probability of having the first number of a phone number to be 8 and the last number of the phone number to also be 8. This answer gives the fraction of the phone numbers that starts with 8 and end with 8.

Since three numbers (0,1,2) cannot start a phone number and we are left to pick from 7 numbers,

then the probability of figure "8" starting phone number = 1/7

Since all 10 numbers can possibly end a phone number,

then the probability of having figure "8" as the last digit of a phone number = 1/10

Hence probability of having "8" as the first and last digit of a phone number = fraction of total telephone numbers that begin with digit 8 and end with digit 8 = 1/7 × 1/10 = 1/70.

5 0
3 years ago
Lisa's weekly pay increases from $525 to $546<br> Calculate her percentage pay increase.
Lana71 [14]
546 - 525 = 21

21 is 4% of 525.


Lisa gained a 4% pay increase.
6 0
3 years ago
Solve the following equation for y: −8x+ 4y = 20
MrRissso [65]

Answer:

y=5+2x

Normally I would explain it, but im in a bit of a hurry today. I apologize for the inconvenience!

8 0
2 years ago
The profit on a jacket can be found by the formula P=24x-125, where x is the number of jackets sold. What is the profit if 15 ja
horrorfan [7]
Your answer would be 235
5 0
3 years ago
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