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Evgen [1.6K]
3 years ago
8

Where can I learn basics of algebra ​

Mathematics
2 answers:
svetlana [45]3 years ago
6 0

Answer:

khan academy

Step-by-step explanation:

khan academy its something that I usually use to study algebra and Geometry this page includes videos with a really good information.

VLD [36.1K]3 years ago
4 0

Answer:

Ixl.com

Khanacademy

and more... I forgot ahahaha

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Which polynomial is equivalent to (11r – 8) + (5r - 9)?
pickupchik [31]
<h3>Answer:  16r - 17</h3>

Work Shown:

(11r - 8) + (5r - 9)

11r - 8 + 5r - 9

(11r+5r) + (-8-9)

16r - 17

4 0
3 years ago
Can the absolute value of -4 be 1/4
kozerog [31]

no because the absolute value of 1/4 is 1/4 and the absolute value of -4 is 4

absolute value is just a positive version of the number inside of the symbol

3 0
4 years ago
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What is the approximate area of the triangle below ?
aleksandrvk [35]

Answer:

72.8

Step-by-step explanation:

3 0
4 years ago
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Help me please (show work)
garri49 [273]

9514 1404 393

Answer:

  14.  53.1°

  16.  253.7°

Step-by-step explanation:

14. The measure of angle L can be found from the cosine relation:

  Cos = Adjacent/Hypotenuse

  cos(L) = 9/15 = 3/5

  L = arccos(3/5) = 53.1° . . . arc MK

__

16. Arc MK is half of arc JK, so that arc is 106.3°. The long arc JPK is the difference between 360° and the measure of the short arc JK.

  360° -106.3° = 253.7° . . . arc JPK

6 0
3 years ago
Divide 4.5kg in the ratio 4:5
serious [3.7K]

Answer:

2 Kg and 2.5Kg.

Step-by-step explanation:

Total number of parts = 4 + 5 = 9.

So the required quantities are 4*4.5 / 9 and 5*4.5/9

= 2 and 2.5.

5 0
3 years ago
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