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Alja [10]
3 years ago
14

How can I select tools and techniques to analyze the relationship among the sides of a right triangle

Mathematics
1 answer:
Vikentia [17]3 years ago
3 0
If it is a special triangle (either 45-45-90 or 30-60-90) then you select the tools from the rules of special triangles.  

Otherwise, if you know two angles and a side of the triangle (AAS or ASA) you use law of sines.  If you know two sides and an angle (SSA) you can also use law of sines.

Use the law of cosines when you know two sides and the angle in between them (SAS).
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X^2-5x+2 x 3x^2 +2x +3
Katen [24]

Answer:

3x^4 - 13x^3 - x^2 - 11x + 6.

Step-by-step explanation:

x^2-5x+2 x 3x^2 +2x +3

= x^2(3x^2 +2x +3)  - 5x(3x^2 +2x +3) + 2(3x^2 +2x +3)

=  3x^4 + 2x^3 + 3x^2 - 15x^3 - 10x^2 - 15x + 6x^2 + 4x + 6

Adding like terms:

= 3x^4 - 13x^3 - x^2 - 11x + 6.

5 0
3 years ago
Rewrite 9 over 6 as a equivalent fraction and percent
vovangra [49]

Answer:3/2 and 150%

Step-by-step explanation:

9/6 divided by 3 on both top and bottom and get 3/2

9÷ 6= 1.5 so convert it into a percent! (move the decimal 2 places to the Right) 150%

5 0
3 years ago
Factor the algebraic expression.<br> 24a + 15<br> 24a + 15 =
hichkok12 [17]

Answer:

x = 5/8

Step-by-step explanation:

24a = 15

Divide both sides by 24:

24a ÷ 24 = 15 ÷ 24

x = 5/8

3 0
3 years ago
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What is the solution to (4x – 23) 2 – 3 = 2?
deff fn [24]

Step-by-step explanation:

(4x-23)2-3=2

(4x-23)(-1)=2

4x-23= -2

4x= -2+23

=21

x=21/4

=5.2

4 0
3 years ago
Arrange in order from least to greatest 0.38, 0.3886, 0.3722
My name is Ann [436]
Least to greatest
0.3722, 0.38, 0.3886
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3 years ago
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