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Aleks [24]
3 years ago
15

Helppppppppp!!!!,,.yy

Mathematics
1 answer:
Viefleur [7K]3 years ago
8 0

Answer:


Step-by-step explanation:

the unit is 4 min and the answer is he can type 55 words in 1 min

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after 6 months, $1.78 simple interest was earned on an investment of $890. what was the annual interest rate
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First you have to double the simple interest to get the amount earned in 1 year. That gives $3.56 earned and a total balance of $893.56
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3 years ago
If a quadratic equation has 4-i as a solution, what must the other solution be?
Luden [163]

Answer:

4+i

Step-by-step explanation:

A complex number usually took the form a+bi where a and b are real numbers and 'i' represents an imaginary number. For a quadratic equation, the complex roots for the root of a quadratic equation took the form known as complex conjugates. The complex conjugates are formed by changing the sign of the imaginary part.

SO, if a quadratic equation has 4-i as a solution, the other solution must be 4+i.

6 0
3 years ago
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