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Schach [20]
2 years ago
8

Solve x2 + 2x + 6 = 0 using the quadratic formula.

Mathematics
1 answer:
Eduardwww [97]2 years ago
6 0

No solution for the quadratic equation because of the √-20

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A shirt is regularly priced at 42$. It is on sale for 15% off of the regular price. What is the sale price of the shirt ?
gulaghasi [49]

Answer:

$35.7

Step-by-step explanation:

you can convert 15% to a decimal by dividing by 100.

15/100 = .15

if you multiply the decimal by the cost of the shirt you get how much the discount is.

0.15 * $42 = 6.30

so a 15% discount on a $42 shirt is $6.30 off. So you subtract the discount from the total cost.

$42 - $6.30 = $35.70 that is the sale price of the shirt.

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2 years ago
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What is the rectangular form of 12(cos(Pi) + isin(Pi))?<br><br> 12<br> -12<br> 12 + i<br> –12 + i
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Step-by-step explanation:

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jeka57 [31]
The answer would be 1. The commutative postulate for multiplication. Hope this helped! Good luck! :)
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3 years ago
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A regulation football field is 300 feet by 160
igomit [66]

Answer:

366.7424164 feet

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330x160

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