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coldgirl [10]
3 years ago
9

What is the quotient of (3+i)(3-i)/-(2+2i)^2 expressed in simplest form

Mathematics
1 answer:
ddd [48]3 years ago
6 0
The answer is 5i/4 :)))
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Factor completely: 16x2 − 81 A. (4x + 9) (4x − 9) B. 16x2 − 81 C. (4x + 9) (4x + 9) D. (4x2 + 9) (4x2 − 9)
ch4aika [34]

Answer:

A. (4x + 9) (4x − 9) is the correct answer.


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3 years ago
Write an expression that represents the difference of 32 and N multiplied by 10
NISA [10]
(32-n)10________________
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Read 2 more answers
A California licence plate consists of a sequence of seven symbols: number, letter, letter, letter, number, number, number, wher
tino4ka555 [31]

Answer:

There is a 44.73% probability that all symbols are different.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

There are 26 total letters and 10 total digits.

The plate has the following format:

number, letter, letter, letter, number, number, number

Total outcomes

Each number can have 10 values.

Each letter can have 26 values.

There are four numbers and 3 letters.

So there are

10^{4}*26^{3} = 175760000 possible plates

Desired outcomes

We cannot have repeated values.

So, for example, the first number can be any of the 10 digits. The second can be any of them, bar the first one. So 9 possible digits

The same logic for the letters, 26, then 25, then 24.

So there are

10*26*25*24*9*8*7 = 78624000 plates in which all symbols are different.

(a) What is the probability that all symbols are different

P = \frac{78624000}{175760000} = 0.4473

There is a 44.73% probability that all symbols are different.

7 0
3 years ago
Which inequality does the graph represent?
Bad White [126]

Answer:

The answer is

x < -1

Step-by-step explanation:

I hope it helps!

3 0
2 years ago
Determine which graph has the line of best fit drawn and explain why.
Nina [5.8K]

Answer:

graph c

Step-by-step explanation:

because it is a more perfect line through the dots then the others, thats how you can always tell

5 0
3 years ago
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