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Katarina [22]
3 years ago
11

Find an explicit rule for the nth term of the sequence. 7, -7, 7, -7, ...

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
6 0
Try a_n=7(-1)^{n+1}, where n\ge1.
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In a tennis tournament each athlete plays one match against each of the other athletes. There are 12 athletes scheduled to play
Allushta [10]
First question: 12 people each play 11 times, so 12 * 11 = 132, there will be 132 matches if each player plays one match against each of the other athletes.
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Need urgent help in mathematics!! Will mark brainliest!!!! PLEASE look at the photo to answer the question .....
Klio2033 [76]

1

each dot indicates an office

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6 0
3 years ago
a car consumes 8 litres of petrol in covering a distance of 549 km. how much diesel will be required by the truck to cover a dis
Valentin [98]

Answer:

24.04 litres

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petrol distance

8 549

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cross multiply.

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7 0
2 years ago
Thao says she can find the answer to 8 x 90 by halving the 8 and doubling the 90 again and again until she gets down to 1 x 720.
Alex777 [14]

Answer:

Yes

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