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My name is Ann [436]
2 years ago
13

Do you know the expression to this?

Mathematics
1 answer:
viktelen [127]2 years ago
7 0
4 equals-55
3 equals-10 every time
5 equals Arithmetic
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A bank PIN is a string of four digits, each digit 0-9. (a) How many choices are there for a PIN if the last digit must be odd? M
Amanda [17]

Answer:

a) 5,000 b) 3,600

Step-by-step explanation:

a) there are four different slots, and for the first three slots there are a possibility for 10 different numbers and in the last slot there can only be 5 different numbers. So you get 10 x 10 x 10 x 5 which leaves you with 5,000 possibilities

b) the same thing as above but know you have fewer numbers 10 x 9 x 8 x5 which gives you 3,600 possibilities

7 0
3 years ago
Perform the indicated operation and write the answer in the form a + bi. (–1 + 5i) + (3 + 7i)
pashok25 [27]

Answer:

12i + 2

Step-by-step explanation:

Combine like terms.

-1 + 3 = 2

5i + 7i = 12i

12i + 2 is your answer.

~

5 0
3 years ago
PLEASE I NEED HELP!!
Maksim231197 [3]
By 91 dollars
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2 years ago
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20 cookies because y = 8 + 6(x)

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Okay, I understand. You found the correct answer. I won't get points. Sniffle.Sniffle.
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