Six people take part in a one hundred-metre sprint. In how many different ways is it possible for the first three prizes to be a
warded assuming there is not a
draw?
1 answer:
Answer:
120
Step-by-step explanation:
6P3
6!/(6-3)!
120
or:
6 choices for first spot × 5 choices for the second spot × 4 choices for the third spot
6x5x4 =120
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Answer:3aC +bC
Step-by-step explanation:
▪ Answer:
n = 17
d = 8
▪ Step-by-step explanation:
Hi there !
1 nickel = 5c
1 dime = 10c
$1.65 = 165c
n + d = 25 => n = 25 - d
5n + 10d = 165
replace n
5(25 - d) + 10d = 165
125 - 5d + 10d = 165
5d = 165 - 125
5d = 40
d = 8 (dimes)
n = 25 - d
n = 25 - 8
n = 17 (nickels)
Good luck !
3y= 5x-2
so the slope is 5/3
$3 per book? Not sure what else the question is asking
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9. Not a function
10. Is a function
11. Not a function
12. Is a function
