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3 years ago

13

What is the difference between algebra and mathematics? URGENT!!! Will mark brainliest

1 answer:

Katyanochek1 [597]3 years ago

6 0

Answer: the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations. And mathematics is the abstract science of number, quantity, and space. Mathematics may be studied in its own right ( pure mathematics ), or as it is applied to other disciplines such as physics and engineering ( applied mathematics ).

<h2><em><u>Brainly pls </u></em></h2>

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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

3 0

3 years ago

Use the rule y = -x + 7 to fill in the blank.

OLga [1]

Y=8
because -(-1)+7= 1+7=8

8 0

3 years ago

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Suppose you have side lengths of 29, 33, and 62. What type of triangle can you form with these side lengths?

Andrei [34K]

Answer:

scalene triangle

Step-by-step explanation:

there all different sizes

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3 years ago

PLS HELP WILL GIVE BRAINLIEST!!!!!

bekas [8.4K]

Answer:

1,238,400

Step-by-step explanation:

hope this helps!

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3 years ago

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-12=3(w-8)+3w what is w

ser-zykov [4K]

Answer:

$w=2$

Step-by-step explanation:

Equation:

$3(w-8)+3w=-12$

Distribute:

$3w-24+3w=-12$

Combine like terms:

$6w-24+24=-12+24\\6w=12\\w=2$

Hope this helps plz hit the crown :D

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3 years ago

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