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Neko [114]
3 years ago
10

WILL GIVE BRAINLEIST AND FIVE STAR

Mathematics
1 answer:
RoseWind [281]3 years ago
7 0

Answer:

The answer is B hope i'm right i'm 99 percent sure i am.

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Check whether the points ( -2, 3) , (8,3) ,(6,7) are the vertices of a right triangle
lora16 [44]

Answer:

Given coordinetes of triangle A(−2,3),B(8,3) and C(6,7)

AB=  

[8−(−2)]  

2

+(3−3)  

2

 

​

=  

(10)  

2

+(0)  

2

 

​

=  

100

​

 

AC=  

[6−(−2)]  

2

+(7−3)  

2

 

​

=  

(8)  

2

+(4)  

2

 

​

=  

64+16

​

=  

80

​

 

BC=  

(6−8)+[7−(2)]

​

 

2

=  

(−2)  

2

+(4)  

2

 

​

=  

4+16

​

=  

20

​

 

If ABC is a right angled triangle, then square of one side must be equal to sum of suare of other two sides.

AB  

2

=(  

100

​

)  

2

=100

and AC  

2

+BC  

2

=(  

80

​

)  

2

+(  

20

​

)  

2

=100

∴AB  

2

=AC  

2

+BC  

2

 

thus triangle satisfies the Pythagoras theorem

Hence, the triangle is right angled triangle.

Step-by-step explanation:

8 0
3 years ago
What is the probability that the first two people share a birthday?
AlekseyPX
Hello!

Assuming that these people were born in a fair year (no leap year, etc.) there is a 1/365 chance of one birthday. Each person has this 1/365 chance, so if we are referring to two people, we get a 1/133225 chance, which is about 0.27%.

I hope this helps!
3 0
3 years ago
Help pls I’ll give extra points
Svet_ta [14]

Answer:

increases

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A square pyramid. The square base has side lengths of 5. The 4 triangular sides have a base of 5 and height of 7.
Vlad1618 [11]

Answer:

答案是什么

means what is the answer

Step-by-step explanation:

But the answer is 95 units² I'm doing the assignment rn

3 0
3 years ago
Read 2 more answers
How do I do this ? factor the denominators
BARSIC [14]

time 2nd 5/5 it become 35/5x-20

2/5x-20+35/5x-20

=37/5x-20

3 0
4 years ago
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