Answer:
Probability is 2/5 or 40%.
Step-by-step explanation:
4/(4+2) = 4/6 = 2/3 first black pen is chosen.
3/5 - second pen is chosen without replacement.
2/3 *3/5= 2/5 - the probability a black pen was chosen, and then another black pen without replacement.
2/5*100 % = 40 %
Answer:
B
Step-by-step explanation:
Answer:
68.67
Step-by-step explanation:
Estimate 63% of 109
Change 63% to a decimal by locating the decimal which is after the 3 in 63 and move the two places to the left. So 63% as a decimal is .63
Now multiply .63 × 109
= 68.67
Answer: y Y/40 should be your answer
5.25 - b ≥ 6.5
Solve for b:
5.25 - b ≥ 6.5
Subtract 5.25 from both sides:
-b ≥1.25
Multiply both sides by -1 ( and since you are multiplying by a negative you need to reverse the inequality sign as well).
b ≤ -1.25
Because the inequality sign contains equal to ( less than or equal to) the dot is solid and located at -1.25, because the inequality sign contains less than, the line/ arrow moves /points to the left.
The answer is the first one.