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Finger [1]
4 years ago
8

How to find the value of n

Mathematics
2 answers:
melisa1 [442]4 years ago
6 0
It depends on the type of equation
Tcecarenko [31]4 years ago
4 0
In order to answer this question, I need to know what the problem is in order to tell you.
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Write the result of (4+9i)(7-4i) in a+bi form​
Serhud [2]

ANSWER

(4 + 9i)(7 - 4i) = 64 + 47i

EXPLANATION

The given complex number expression is:

(4 + 9i)(7 - 4i)

We expand using the distributive property to get;

(4 + 9i)(7 - 4i) = 4(7 - 4i) +  9i(7 - 4i)

(4 + 9i)(7 - 4i) = 28- 16i +  63i - 36 {i}^{2}

Recall that,

{i}^{2}  =  - 1

Our expression now simplifies to:

(4 + 9i)(7 - 4i) = 28 + 47i  + 36

(4 + 9i)(7 - 4i) = 64 + 47i

4 0
4 years ago
Read 2 more answers
What is 2 1/5 divided by 3/5
Usimov [2.4K]

Answer: 3 2/3

2 1/ 5  divided by  3/5  = 11/5 divided by 3/5 = 11/5 x 5/3 = 11 x 5, 5 x 3 = 55/15 = 55 divided by 5, 15 divided by 5 = 11/3 = 3 2/3

3 0
4 years ago
Read 2 more answers
I dont know how to delete
quester [9]

Answer:

2.68

Step-by-step explanation:

2/4=1.34/x

solve proportion

2x=5.36

divide both sides by 2

5.36/2

=2.68

5 0
3 years ago
How to make four 2's equal 11
Ksju [112]
Answer : 2 = 4/4 + 4/4
3 0
3 years ago
Find the slope between the points (0,5) and (-3,7)
Otrada [13]

Answer:

- 2/3 is the answer

6 0
3 years ago
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