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liq [111]
2 years ago
6

What is the nth term of the sequence 19, 15.5, 12, 8.5, 5

Mathematics
1 answer:
Nikitich [7]2 years ago
3 0

Answer: 6.5 and 6 is the 9th term

Step-by-step explanation:

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Hey, could someone please help me with this? Thanks.
Novosadov [1.4K]

Answer:

Part A: 1. (1, 0.5) 2. (2, 1) 3. (3, 1.5) 4. (4, 2) 5. (5, 2.5) 6. (6, 3)

Part B: Yes, this relation is in fact a function.

Part C: No, it would not be a function.

Step-by-step explanation:

Part A: Well, you start at 1 hr. right? yes. So then, at the very beginning at the problem, it says the candle burns at the rate of 0.5 in. per hour. So for 1 hour, the candle will burn .5 inches. At 2 hours, it will burn off 1 whole inch.

Part B:  1 hr. = .5 in. burn,  2 hrs. = 1 in. burns,  3 hrs. = 1.5 in. burns,  4 hrs. = 2 in. burns,  5 hrs.= 2.5 in. burns, 6 hrs. = 3  in. burns.

Part C:  1 hr.= .45 in. burn, 2 hrs. = .9 in burn,  3 hrs. = 1.35 in. burns, 4 hrs. = 1.8 in. burns, 5 hrs. = 2.25 in. burns, 6 hrs. = 2.7 in. burns.    It does not go at a constant rate. The number of inches are all over the place.

Hope this helps you out!! (:

4 0
3 years ago
there are 3 boys for every 2 girls in the class. there are 90 students total. how many total girls? how many total boys?
netineya [11]

Answer: There is 36 girls and 54 boys.

Step-by-step explanation: If there is 36 girls and there is 3 boys for every 2 girls that means half of 36 is 18 so do 18 times 3 which will equal 54 boys.

54+36=90

4 0
3 years ago
If 5 songs can be downloaded for $6, what<br> is the cost of seven songs?
Svet_ta [14]

Answer:

7 songs costs $8.4

Step-by-step explanation:

6/5=  $1.2 for each song

1.2 times 7=  $8.4

7 songs costs $8.4

3 0
2 years ago
How do you write 9 1/10 as a percent
IrinaVladis [17]

Answer:910%

Step-by-step explanation:

Each whole number is 100% and each 1/10 is 10% percent so it is 910%vote brainiest please.

8 0
2 years ago
Evaluate abc² if a= -3, b= 6, and c= -8​
Andreas93 [3]

Answer:

-1152

Step-by-step explanation:

abc² the expression can be rewritten using the given values for each letter

(-3)*6*(-8)^2 now we find the second power of (-8) by multiplying it with itself

(-8)*(-8) = 64

(-3)*6*64 = -1152

8 0
2 years ago
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