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3 years ago

24 x 0.17 lol help pls

Mathematics

1 answer:

Maurinko [17]3 years ago

6 0

24 x 0.17 equals 4.08 to be the answer

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Estimate each sum or difference 9,245-4,033

Mars2501 [29]

Answer:

Sum 9,200 + 4,000 = 13,200

Difference 9,200 - 4,000 = 5,200

Step-by-step explanation:

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3 years ago

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Directions: Solve for x in the inequalities below. Graph and check your solution.

Kipish [7]

Answer:

Step-by-step explanation:

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3 years ago

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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

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

Separate the solutions

$k_1 = \frac{ - 5 + 3 \sqrt{3} \: i }{2} \: \: \: \: or \\ k_2 = \frac{ - 5 - 3 \sqrt{3} \: i}{2}$

The equation has complex roots

Separate the real and imaginary parts

We have the final answer as

$k_1 = - \frac{5}{2} + \frac{3 \sqrt{3} }{2} \: i \: \: \: \: or \\ k_2 = - \frac{5}{2} - \frac{3 \sqrt{3} }{2} \: i$

Hope this helps you

8 0

3 years ago

A train travels 3.5 kilometers on a straight track with grade of 1 degree 10'. What is the vertical rise of the train distance?

denpristay [2]

The answer is
h = AB sin tetha,
tetha is 1 degree 10' = 1.1°, and AB = 3.5km

the vertical rise is h = 4.7

3 0

3 years ago

#1) Please help me with this question! Will Mark BRAINLIEST. :)

Vadim26 [7]

I think it’s gonna be all real numbers except 13

7 0

3 years ago

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