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lesantik [10]
4 years ago
10

Is there any tricks to memorize the special right triangle's sides?

Mathematics
2 answers:
noname [10]4 years ago
8 0
Sohcahtoa
My algebra teacher got us all to remember that word because...
Soh - Sin = Opposite / Hypotenus
Cah - Cos = Adjacent / Hypotenus
Toa - Tan = Opposite / Adjacent
Sin, Cos, and Tan are what you can use to find missing triangle sides if you know at least one other angle besides the 90 degree angle.

Zolol [24]4 years ago
5 0
No, but there is a way of creating them. If you let 
a = 2xy
b = x^2 - y^2 where x > y
c = x^2 + y^2 

And a^2 + b^2 = c^2 You can create these sides to your needs. For example

x = 5
y = 2

2xy = 2*5*2 = 20
x^2 - y^2 = 25 - 4 = 21
x^2 + y^2 = 25 + 4 = 29  which is not well known but it is a right angle.

29^2 = 20^2 + 21^2

841 = 400 + 441
841 = 841

Just one further comment. It is easy to check to see if the triangle you are talking about is a right triangle. Just use a^2 + b^2 = c^2. 

Generally it is unnecessary to either create your own or memorize ones you have come across. 

I think any math teacher would say "why bother?"
If you are not satisfied, put a reason for doing this in the comments. 
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The price of a car was decreased by 20% to £720.<br> What was the price before the decrease?
Tems11 [23]

Answer:

£864

Step-by-step explanation:

20% of 720= £144

720+144= 864

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3 years ago
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jek_recluse [69]

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8 0
2 years ago
Read 2 more answers
Which of these equations represent functions where x is the input and y is the output? Select each correct answer.
Andru [333]
The first equation is a constant.  There is no input necessary, and the output remains 5.
The second equation is also a constant.  The output is 4.
In the third equation, y depends on what value of x you use.  x is the input and y is the output.
In the fourth equation, x depends on what value of y you use.  The way it is written, y is the input and x is the output.
In the last equation, either x or y could be the input.  The other variable would change depending on which variable you replace with a number.
6 0
4 years ago
A business owner opens one store in town A. The equation p(x) = 10,000(1.075) represents the anticipated profit after t years. T
alexgriva [62]
The rigth equation to anticipate the profit after t years is p(t) = 10,000 (1.075)^t

So, given that both store A and store B follow the same equations but t is different for them, you can right:

Store A: pA (t)  10,000 (1.075)^t

Store B: pB(t'): 10,000 (1.075)^t'

=> pA(t) / pB(t') = 1.075^t / 1.075^t'

=> pA(t) / pB(t') = 1.075 ^ (t - t')

And t - t' = 0.5 years

=> pA(t) / pB(t') = 1.075 ^ (0.5) = 1.0368

or pB(t') / pA(t) = 1.075^(-0.5) = 0.964

=> pB(t') ≈ 0.96 * pA(t)

Which means that the profit of the store B is about 96% the profit of store A at any time after both stores have opened.


7 0
3 years ago
Read 2 more answers
Which transformation(s) can be used to map one
kirill115 [55]

The transformation(s) that can be used to map one triangle onto the other is : (C). dilation, then translation

<h3>Meaning of dilation and translation</h3>

Dilation can be defined as the process of compressing and reducing a shape to a particular scale

Translation can be defined as a process of transferring a shape from one point to another.

In conclusion, The transformation(s) that can be used to map one triangle onto the other is : (C). dilation, then translation

Learn more about dilation and translation: brainly.com/question/21369817

#SPJ1

4 0
2 years ago
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