Answer:
720 ways
Step-by-step explanation:
The first person in line could be any one of the 6 people
6
Then there are 5 people left
The second person in line could be any one of the 5 people
5
Then there are 4 people left
The third person in line could be any one of the 4 people
4
Then there are 3 people left
The fourth person in line could be any one of the 3 people
3
Then there are 2 people left
The fifth person in line could be any one of the2 people
2
Then there are 1 people left
The last person in line could be any one of the 1 people
1
6*5*4*3*2*1 =720 ways
Answer:
17 is your answer
Step-by-step explanation:
Answer:
45
Step-by-step explanation:
1 minute = 8 revolutions
x minutes= 360 revolutions
Divide 360 by 8
45
The wheel will make 360 revolutions in 45 minutes
Check your work:
If 45 minutes = 360 revolutions, and the wheel revolves 8 times per 1 minute, 8 revolutions x 45 minutes should equal 360 revolutions.
(it does)
Answer:
Brian is 6 years old, John is 9 years old
Step-by-step explanation:
i.
J = 3 + B
J x B = 54
ii.
(3 + B) x B = 54
B² + 3B = 54
iii.
(B + 9)(B - 6) = 0
B = -9 or 6 -- -9 is irrational as one cannot be negative years old
Brian = 6 years old; therefore, John = 9 years old
Answer:
$12000 should be invested in a fund with a 4% return.
Step-by-step explanation:
Consider the provided information.
An amount of $15,000 is invested in a fund that has a return of 6%.
We need to calculate how much money is invested in a fund with a 4% return if the total return on both investments is $1380.
Let $x should be invested in a fund with a 4% return.
The above information can be written as:
Hence, $12000 should be invested in a fund with a 4% return.