A group of 10 people is choosing a chairperson and vice-chairperson. They put all 10 people's names into a hat. The first name d
rawn becomes chair. The second name drawn becomes vice-chair. How many possible combinations of chair and vice-chair are there?
2 answers:
Answer: 100
Step-by-step explanation:
10 people
2 chairs 1 chair 1 vice chair
10*10=100 different combinations
Answer:
45
Step-by-step explanation:
= (10!) ÷(8!) (10-8)!
(10 × 9)÷2 = 45
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n = 20
d = 6
a = 4
L = a + (n - 1)*d
L = 4 + (20 - 1)*6
L = 4 + 19*6
L = 118
Sum = (a + L)*n/2
Sum = (4 + 118) * 20/2
Sum = 122 * 10
Sum = 1220
Step-by-step explanation:
Let the required number be n
NOTE: A number is always 100% in itself.
Answer:
Around $352
Step-by-step explanation:
400 -48
Answer:linear
Step-by-step explanation:
The numbers are going up at the same rate and it’s a straight line
Cotangent of angle A=base/height=24/10=12/5
cotangent of B=10/24=5/12
