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Lilit [14]
3 years ago
13

How do i prove that they are right triangles ?

Mathematics
2 answers:
spayn [35]3 years ago
8 0
If it is 90 degreees at the angle
Juliette [100K]3 years ago
3 0

Answer:

You use the Pythagorean Theorem or a²+b²=c²

a and b are the two shorter sides, c is the hypotenuse, the longest side.

Step-by-step explanation:

I will do them for you:

     12²+16²=20²

   144+256=400

           400=400

Triangle XYZ is a Right Triangle :)

    15²+20²=25²

  225+400=625

           625=625

Triangle PQR is a Right Triangle :)

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Write the equation of the line passing through the points (2,-5) and (7,-3).
Grace [21]

Answer:

5y·2x=21

<em>\frac{y - y1}{y2 - y1}  =  \frac{x - x1}{x2 - x1}</em>

Step-by-step explanation:

using the formula above,you will find the equation 5y–2x=21

7 0
2 years ago
Express each percent as a fraction or mixed number in the simplest form. 2.5%
Blizzard [7]

Answer:

The answer is 2 1/2 or in mixed form 5/2

Hope I helped :)

6 0
3 years ago
Read 2 more answers
X*y = 154<br> difference between x and y is 3
sergiy2304 [10]

Answer:

x=51.3 and y=3 and that is equal to 154 don't forget to put a bar notation in .3 in 51.3

5 0
2 years ago
Which function is not a translation of f(x)=x2+17? f(x)=−x2−17 f(x)=(x−4)2 f(x)=(x+12)2 f(x)=(x−4)2+17
ruslelena [56]
F(x) = -x²-17 is not a translation.

A translation of this graph would either have something added to/subtracted from the end of the function (the c value) or something added or subtracted to x before it is squared.  f(x) = -x²-17 is a reflection, as the coefficient of x² is negative.

Every other choice has something either added to or subtracted from either x before it is squared or from the end.
6 0
3 years ago
1. Which of the following expressions when evaluating yields 5?
Pani-rosa [81]

Answer:

b

Step-by-step explanation:

10x3+6= 36

5-5x6= -25

24-6-12=6

8 0
2 years ago
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