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Mathematics

1 answer:

nikdorinn [45]4 years ago

8 0

Answer: 22 mor packages.

Give me brainlyest please.

Step-by-step explanation:

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Enter your answer and show all the steps that you use to solve this problem in the space provided. What is the value of x?

WINSTONCH [101]

Answer:

x = 71°

Step-by-step explanation:

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Natasha_Volkova [10]

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3 years ago

Solve the equation: k^2+5k+13=0

mr_godi [17]

Step-by-step explanation:

k² + 5k + 13 = 0

Using the quadratic formula which is

$x = \frac{ - b \pm \sqrt{ {b}^{2} - 4ac } }{2a} \\$

From the question

a = 1 , b = 5 , c = 13

So we have

$k = \frac{ - 5 \pm \sqrt{ {5}^{2} - 4(1)(13) } }{2(1)} \\ = \frac{ - 5 \pm \sqrt{25 - 52} }{2} \\ = \frac{ - 5 \pm \sqrt{ - 27} }{2} \: \: \: \: \: \: \\ = \frac{ - 5 \pm3 \sqrt{3} \: i}{2} \: \: \: \: \: \:$