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Rzqust [24]
3 years ago
8

Simplify the complex number 2-4i 6+4i

Mathematics
2 answers:
krek1111 [17]3 years ago
8 0

Answer: 6+4i

Step-by-step explanation:

Paladinen [302]3 years ago
5 0

Answer:

the answer is 4+32i

Step-by-step explanation:

the answer is 4+32i

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Consider strings of four decimal digits. Which rule must be used to find the number of strings of four decimal digits that have
jeyben [28]

Answer:

36 possible ways

Step-by-step explanation:

Range of digit : 0 up to 9

To obtain the number of strings of 4 decimal digits that have exactly 3 digits that are 9s ; we use the multiplication rule :

In other to have exactly 3 digits from 4 that are 9s :

Say:

We have 3 9s and the last number could be any of the 10 possible digits except 9

First 9 = 1 possible way (since we have only one 9 between (0 to 9)

Second 9 = 1 possible way

Third 9 = 1 possible way

4th digit = 9 ways (could be any digit between 0 and 9, except 9)

Also, we consider the 4th digit's position ; as it could take up any of different positions in between the 9s = 4 ways

Using the product rule :

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5 0
3 years ago
1. If the product of the integers a,b, and c is 1, then what is the difference between the largest and the smallest possible val
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Problem 1

The largest value would be 1 and the smallest would be -1.

To get a product of 1, either all are 1 or two of the variables are -1 and the other one is 1.

Largest value = (1)^2 * (1)^3 * (1)^4 =1

Smallest value = (- 1)^2 * (- 1)^3 * (1)^4 = -1

The difference is:

largest value – smallest value = 1 – (-1) = 2

<span>Therefore the answer is letter D.</span>

 

Problem 2

% loss = (final price – initial price) * 100%/ initial price

where, final price per dozen = ( $2.50 / piece) (12 piece / dozen) = $30

Therefore,

% loss = ($30 - $33) * 100 / $33

% loss = - 300/ 33 = 9 1/11

<span>Therefore the answer is <span>letter C.</span></span>

7 0
3 years ago
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