The horizontal line is refered to as a fraction bar or a vinculum. There are also other names, but these two are the ones I know the best.
The answer is c because 9 divided by 3 is 3 which is 3 times as many
X = 2. i have to type anything now so it can be 20 acrs long
Answer:
equation below
Step-by-step explanation:
7!
7!(10-7)!
Answer:
68°
Step-by-step explanation:
As BA⊥BD, so ∠ABD = 90°
also, ∠ABD = ∠CBD + ∠ABC
⇒ 90° = 4x + 52° + 8x - 10°
⇒ 12x = 48°
⇒ x = 4°
now,
∠CBD = 4x + 52°
= 4(4°) + 52°
= 68°
