Answer:
option D.
Step-by-step explanation:
given,
5 married couples and we have to form the committee of 3 people such that no married couple comes together in the committee.
total number of people present = 5 × 2 = 10 people
selecting 3 people randomly = ¹⁰C₃ = 120 ways
number of ways of selecting couple = ¹⁰C₁× ⁴C₁
= 40 ways
so, ways to select committee which does not include married couple =
= 120 - 40 = 80 ways
so, the correct answer is option D.
22 or 20 is the right answer 22.2222222 round it
Answer:
A cell phone company offers two texting plans to its customers. The monthly cost, y dollars, of one plan is y=0.10x+5, where x is the number of texts.
Step-by-step explanation:
hope it helps
The constant would be the tax rate, which is given in the equation as 0.07.
The answer would be B.
Answer:
A = 13
Step-by-step explanation:
To find the area of a triangle, multiply the base by the height, and then divide by 2.
13 x 2 = 26
26 / 2 = 13