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gladu [14]
3 years ago
10

Solve for x 7(x+3)≤4x−5 Give your answer as an improper fraction in its simplest form.

Mathematics
1 answer:
liq [111]3 years ago
8 0

Answer:

7(x+3)≤4x-5= x≤ - \frac{26}{3}

i hope this helps you

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Find the solutions of the quadratic equation 5x^2 +3x+1=0
Maksim231197 [3]

Answer:

The answer is

<h3>x =  -  \frac{3}{10}  +  \frac{ \sqrt{11} }{10}    \: i \\  \\  \:  OR \\   \\  x =  -  \frac{ 3}{10}  -   \frac{ \sqrt{11} }{10}  \: i</h3>

Step-by-step explanation:

5x² + 3x + 1 = 0

Using the quadratic formula

<h3>x =  \frac{ - b\pm \sqrt{ {b}^{2} - 4ac } }{2a}</h3>

From the question

a = 5 , b = 3 , c = 1

Substitute the values into the above formula and solve

That's

<h3>x =  \frac{ - 3\pm \sqrt{ {3}^{2} - 4(5)(1) } }{2(5)}  \\  x =  \frac{ - 3\pm \sqrt{9 - 20} }{10}  \\ x =  \frac{ - 3\pm \sqrt{ - 11} }{10}  \\ x =   \frac{ - 3\pm \sqrt{11 } \:  i}{10}  \\ x =   \frac{ - 3 +  \sqrt{11}  \: i}{10}  \:  \: or \:  \:  \: x =  \frac{ - 3 -  \sqrt{11}  \: i}{10}</h3>

<u>Separate the real and imaginary parts</u>

We have the final answer as

<h3>x =  -  \frac{3}{10}  +  \frac{ \sqrt{11} }{10}    \: i \\  \\ x =  -  \frac{ 3}{10}  -   \frac{ \sqrt{11} }{10}  \: i</h3>

The equation has complex roots

Hope this helps you

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Answer:Advantage of the median: The median is less affected by outliers and skewed data than the mean, and is usually the preferred measure of central tendency when the distribution is not symmetrical ( for the first one)

Step-by-step explanation:

So use an example to help you.

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