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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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Can I get help fast for this question? Please.
yulyashka [42]

Since it turns downwards (the shape on an "n", it is a maximum point)


Maximum point occurs at (-2, 1)


Answer: (B) (-2, 1) maximum

5 0
3 years ago
About 57 people rent skates at the skating rink each day. It cost $4.25 to rent skates. About how much does the Rink make in ska
seraphim [82]

Answer:1695.75

Step-by-step explanation:

We know that there are 7 days in a week. Since 57 people rent skates each day, we know that 57*7=399 skates are rented each week. Since one skate cost 4.25, we know that 399*4.25 is the cost, which is 1695.75. (If you are not allowed to use a calculator, you can do 400*4.25-4.25, to make it easier to compute)

4 0
3 years ago
What is the answer hurry
Nitella [24]
The answer is b I believe but ion really know good luck
4 0
3 years ago
What is suface area of a cone with 16in radius and 38in hight?
tresset_1 [31]
2876.74665 in


After the in you got to put a number 2 above it I don't know how to make the symbol.
7 0
3 years ago
help please!! i really don’t understand how to do this and i just need an answer so i can get this class over with ;;
tigry1 [53]

Answer:

1/8

Step-by-step explanation:

(6(3)⁻¹(1))⁻³             n⁰=1

(6/3)⁻³

(2)⁻³

1/(2)³

1/8

Hope it helps

5 0
3 years ago
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