Let the number be x.
7x-x=42
6x=42
x=7
the number is 7
28 because 2.5 times 8 equals 20 plus that 8 equals 28.
Step-by-step explanation:
Answer:
21.56
Step-by-step explanation:
Answer:
Jamie is correct
Step-by-step explanation:
Jamie is correct.
Example: isosceles triangle ABC AB=AC
∠B = ∠C ∠A + ∠B + ∠C = 180°
if ∠A = x ∠B = ∠C = 1/2 * ( 180° - x)
if ∠B or ∠C = x ∠A = 180° - 2x