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lara31 [8.8K]
3 years ago
13

HELP I NEED HELP ASAP

Mathematics
2 answers:
Nonamiya [84]3 years ago
5 0

Answer:

number 5 is D

and number 6 is C

shepuryov [24]3 years ago
4 0

I) what percentage of students finished the race in less than 12 seconds:

number of students who finished before 12 seconds= 16

total number of students= 20

% = (16×100)20 = 80%

ii) B.3

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The first term of an arithmetic sequence is -3 and the 15th term is 53. What is the common difference of the sequence?
Fittoniya [83]

Answer:

c = 4

Step-by-step explanation:

Let the common difference be c.  Then a(n) = -3 + c(n-1).  Since a(15) = 53, a(15) = -3 + (15-1)c = 53.  Therefore, -3 + 14c = 53, or 14c = 56; c = 4.  


4 0
3 years ago
The angle of elevation from a ship to a
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Answer:

Step-by-step explanation:

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Distance between points 3,3 and 5,7?
ohaa [14]

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