Answer:
Substitution
Step-by-step explanation:
We know that B equals five, and that a + b = c. This means that if we substitute 5 for b, the equation will still be true. Hope this helps!
Answer:
1/3
Step-by-step explanation:
120/360 = 12/36 = 2/6 = 1/3
Use the protractor. Put the purple dot on the vertice and the make sure the line is lined up with the bottom and your answer should be lined up.
A = (a+b)/2
2*A = 2*(a+b)/2 ... multiply both sides by 2
2A = a+b
2A-a = a+b-a ... subtract 'a' from both sides to isolate b
2A-a = b
b = 2A-a
Answer: b = 2A-a
2 - 6 ÷ 6 (Order of Operations - PEMDAS)
= 2 - 1
= 1
Answer is 1
