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lesantik [10]
3 years ago
10

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

Mathematics
2 answers:
noname [10]3 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]3 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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What is the solution to the inequality?
alina1380 [7]

Answer:

x > -24

Step-by-step explanation:

-x/4 < 6

Multiply each side by -4, remembering to flip the inequality

-x/4  *-4> 6*-4

x > -24

7 0
2 years ago
Read 2 more answers
A certain highway has a 7% grade. how many feet does it rise in a horizontal distance of 1 mile? (1 mile = 5280 feet. round your
pentagon [3]
For this case we have the following relationship:
 (x / 5280) = (7/100)
 From this relationship we must clear the value of x.
 Clearing we have:
 x = (7/100) * (5280)
 Calculating we have:
 x = 0.07 * 5280
 x = 369.6 feet
 Answer:
 
it does rise in a horizontal distance of 1 mile about:
 
x = 369.6 feet
3 0
3 years ago
A commercial jet has been instructed to climb from its present altitude of 6000 feet to a cruising altitude of 30,000 feet. If t
Lunna [17]
An easier way of doing this would be to subtract the initial attitude from the final attitude and divide by the rate of increase
= 30000 - 6000÷4000
= 24000÷4000
=6mins
8 0
2 years ago
find the probability if two dice are rolled. (enter the value of probability in decimals. round the answer to three decimal plac
spayn [35]

The probability of getting a total of 8 when two dice are rolled is 0.139.

Probability is a number that expresses the likelihood or chance that a specific event will take place. Probabilities can be represented by proportions on a 0–1 scale.

A single die will have six sides with the numbers: 1, 2, 3, 4, 5, and 6. Each of these events is equally likely to occur if the dice are rolled fairly. So the probability of getting any side of the number is 1/6. Therefore, the probability of getting 1 in dice is 1/6, 2 is 1/6, and so on.

Therefore, the total possible outcomes are the multiplication of the total possible outcomes on dice 1 and dice 2, which is 36.

This possible outcome of rolling two dice is given by,

\left\{\begin{array}{ccccccc}(1, 1)&(1, 2)& (1, 3)&(1, 4)&(1, 5)&(1, 6)\\(2, 1)&(2, 2)&(2, 3)&(2, 4)&(2, 5)&(2, 6)\\(3, 1)&(3, 2)&(3, 3)&(3, 4)&(3, 5)&(3, 6)\\(4, 1)&(4, 2)&(4, 3)&(4, 4)&(4, 5)&(4, 6)\\(5, 1)&(5, 2)&(5, 3)&(5, 4)&(5, 5)&(5, 6)\\(6, 1)&(6, 2)&(6, 3)&(6, 4)&(6, 5)&(6, 6)\end{array}\right\}

The probability of getting a total of 8 from both dice is given by, (2, 6) (3, 5) (4, 4) (5, 3) (6, 2). So the number of favorable outcomes is 5 and the total outcome is 36. The probability is P(getting a total of 8 from both dices)=5/36= 0.139.

The answer is 0.139.

The complete question is -

Consider rolling dice and getting a total of 8. Find the probability of two dice are rolled. (Enter the value of probability in decimals. Round the answer to three decimal places).

To know more about dice probability:

brainly.com/question/17239706

#SPJ4

8 0
1 year ago
There are 3 basketball leagues.Each league has 8 teams.each team has 13 players.how many players are in all 3 leagues?
Alona [7]

Answer:

312

Step-by-step explanation:

its easy

5 0
2 years ago
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