Answer:
x+3y+z=21
Step-by-step explanation:
x+3y+z
4+3(5)+2
4+15+2
21
Answer:
The statement is false
Step-by-step explanation:
we know that
if the triangle is a right triangle
then
the triangle must satisfy the Pythagoras Theorem
we have
substitute
therefore
Is not a right triangle
The statement is false
i dont know sorry, maybe someone else can help you?
The fourth one down is the correct answer trust me