Answer:
66.67% probability of selecting a black marble from the bag.
Step-by-step explanation:
Initially there are 16 marbles, 10 of which are black and 6 of which are red.
A red marble is drawn and not put back. So now there are 15 marbles, of which 10 are black.
So there is a 10/15 = 2/3 = 0.666% 7 = 66.67% probability of selecting a black marble from the bag.
Answer:
Yes
Step-by-step explanation:
Statement Reason
ab = bd Given
ac=cd Given
bc = cb definiton of reflex line
triangle abc is congruent to triangle dbc side side side postulate
<u>Given</u>:
The given expression is 
We need to determine the equivalent expression.
<u>Equivalent expression:</u>
Let us determine the equivalent expression.
The equivalent expression can be determined by simplifying the given expression.
Hence, let us apply the exponent rule to simplify the given expression.
Thus, applying the exponent rule,
, we get;

Rewriting the expression, we get;

Simplifying, we get;

Thus, the equivalent expression is 
Hence, Option C is the correct answer.