Answer:
A two column proof is a method to prove statements using properties that justify each step. The properties are called reasons.
Step-by-step explanation:
hope dis helps!
College Algebra Essentials by Julia Miller
That’s odd. I would think so.
Answer:
16
Step-by-step explanation:
x² + 8x = 4 ⇔ x² + 8x + 16 = 4 + 16 ⇔ x² + 2×4x + 4² = 20 ⇔ (x + 4)² = (2√5)²
Remark : (2√5)² = 20
Answer:
43.96 inches
Step-by-step explanation:
(refer to attached)
circumference = 2πr, where r = 7 inches and π=3.14
circumference = 2 x 3.14 x 7
= 43.96 inches