Answer:
x=3
Step-by-step explanation:
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Use distributive method
5r - 50 = -51
Add 50
5r = -1
Divide by 5
r = -1/5
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