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BaLLatris [955]
2 years ago
7

66 athletes are running a race. A gold medal is to be given to the winner, a silver medal is to be

Mathematics
1 answer:
Dmitrij [34]2 years ago
8 0

Answer:

274560

Step-by-step explanation:

We can "choose" one of the 66 athletes for the gold medal. That athlete can't win any other medals, so there are 65 athletes left.

We can then "choose" one of the 65 athletes left for the silver medal. That athlete can't win any other medals, so there are 64 athletes left.

We can then "choose" one of the 64 athletes left for the bronze medal.

That leaves us with 66 possible choices * 65 possible choices * 64 possible choices=274560 possible choices

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Who could help me please:)))I'll apreciate the answers:))))
Wittaler [7]
The answer in order is    b   a     c 

6 0
3 years ago
S
lorasvet [3.4K]

Answer:

I think -10 is the answer

8 0
1 year ago
Find 30% of 70<br> a. 21<br> b. 36<br> c. 40
gtnhenbr [62]
A is your answer

We can cross multiply using x/70=30%/100

Solving it we get:
100x=2100 (70 times 30)
x=21


So we get a, 21 as your answer.

I hope this helped!
8 0
3 years ago
Read 2 more answers
What is the approximate perimeter of a semicircle with a radius of 9mm?
Cerrena [4.2K]
Act like it's a whole circle and find the perimeter, then divide by 2.

P = 2 * pi * r

P = 2 * 3.14 * 9

P = 56.52

Now divide by 2:

P = 28.26
3 0
3 years ago
Read 2 more answers
What is the length of segment AD.
slamgirl [31]

Answer:

AD= 5.82 units (3 s.f.)

Step-by-step explanation:

Please see attached picture for full solution.

*skipped these steps in the beginning:

∠ABC +∠ABD= 180° (adj. ∠s on a str. line)

90° +∠ABD= 180°

7 0
3 years ago
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