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saul85 [17]
2 years ago
11

John is choosing a password for his access to the internet. He decided not to use the digit 0 or the letter M. Each letter or nu

mber may be used more than once. How many passwords of 2 letters followed by 4 digits are possible?
Mathematics
1 answer:
mafiozo [28]2 years ago
3 0
25 letters for first spot
25 letters for second spot
25 ^{2} = 625
9 numbers 
9 ^{4} = 6561
6561 times 625
=4,100,625
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Andy is preparing the company's income statement. His first line item is the company's service revenue. What will he deduct from
Pani-rosa [81]

Andy needs to subtract cost from the service revenue.

<h3>What does Andy need to subtract?</h3>

Revenue is the total income earned before any deductions are made. Net income is the total revenue less total expenses or cost.

Net income = total revenue - cost

For example, if a company sold 100 loaves of bread for $100 dollars. The cost of making the bread is $50. The revenue is $100 and the net income is $50 (100 - 50).

To learn more about net income, please check: brainly.com/question/10207673

#SPJ1

7 0
1 year ago
The lengths of pregnancies in a small rural village are normally distributed with a mean of 261 days and a standard deviation of
valina [46]

Answer:

(221.39, 300.61) and (255.2223, 266.7777)

Step-by-step explanation:

Given that X, the  lengths of pregnancies in a small rural village are normally distributed with a mean of 261 days and a standard deviation of 17 days

Middle 98% would lie on either side of the mean with probability ±2.33 in the std normal distribution on either side of 0

Corresponding we have x scores as

Between 261-2.33*17 and 261+2.33*17

i.e. in the interval = (221.39, 300.61)

If sample size = 47, then std error of sample would be

\frac{17}{\sqrt{47} }

So 98% of pregnancies would lie between

261-2.33*\frac{17}{\sqrt{47} } and 262+2.33*\frac{17}{\sqrt{47} }

= (255.2223, 266.7777)

8 0
2 years ago
Find BC if B(8, -7) and C(-4, -2).
polet [3.4K]
4, -8

add the x's and add the y's
4 0
3 years ago
I need help to answer A and B and C I got kind of confused <br>​
liubo4ka [24]

Answer:

a y=25+89x b 25 c 14

Step-by-step explanation:

89*22=1958

1983-1958=25(service fee)

(1271-25)/89=14

6 0
3 years ago
-5,-6,0,6 which pair of numbers has a sum of zero
ladessa [460]

Answer:

-6, 6

Step-by-step explanation:

I hope this helps :)

7 0
3 years ago
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