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vredina [299]
3 years ago
11

Square root of -1 = 1. Math test

Mathematics
1 answer:
pantera1 [17]3 years ago
6 0

Answer:

false. the sqrt of -1 = i

Step-by-step explanation:

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Zanzabum

Answer: 4.6

Step-by-step explanation:

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Natalija [7]

Answer:

the first one

Step-by-step explanation:

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3 years ago
What is the solution of 4 |x - 9| + 6 > 42?
Galina-37 [17]

Answer:

0 <x> 18

Step-by-step explanation:

Step  1  :

Equation at the end of step  1  :

 (4 • (x - 9) +  6) -  42  > 0  

Step  2  :

Step  3  :

Pulling out like terms :

3.1     Pull out like factors :

  4x - 72  =   4 • (x - 18)  

Equation at the end of step  3  :

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Step  4  :

4.1    Divide both sides by  4  

Solve Basic Inequality :

4.2      Add  18  to both sides

            x > 18

8 0
3 years ago
1 over 3b = 4 over 5. which of the following equals b in this equation?
Alina [70]
1/(3b)=4/5  multiply both sides by 5

5/(3b)=4 multiply both sides by 3b

5=12b divide both sides by 12

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5 0
3 years ago
Read 2 more answers
Use the distributive property to model the product on the grid 4x12=
kykrilka [37]
The correct answerr is 48 
7 0
3 years ago
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