Answer:
c = 13
Step-by-step explanation:
pythogoras theorem
a² + b² = c²
5² = 25
12² = 144
25 + 144<em> </em>= 169
√169 = 13
c = 13
Answer:
c i believe
Step-by-step explanation:
brainliest?
Answer:
Part 1) 11 is a rational number
Part 2)
is a irrational number
Step-by-step explanation:
we know that
A <u><em>Rational Number</em></u> is a number that can be made by dividing two integers
Part 1) we have

we know that

substitute

Is a rational number, because i can express the number 11 as the ratio of two integers (as example 11/1)
Part 2) we have

we know that

substitute

Is a irrational number, because cannot be expressed as the ratio of two integers
It is called the discriminant
Answer:
10x^2 + 12x + 14
Step-by-step explanation:
Combine like terms: 2x^2 + 8x^2 = 10x^2 , 9x + 3x = 12x , 12 + 2 = 14
In total: 10x^2 + 12x + 14