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Marianna [84]
1 year ago
5

P and q are two arithmetic sequences. The first four terms of sequence P are 2,6,10,14. The nth term of sequence Q is 145-3n. Th

e rth term of sequence P has the same values as the rth term of sequence Q. Work out the value of r.
Mathematics
1 answer:
Tomtit [17]1 year ago
5 0

Answer:

r = 21

Step-by-step explanation:

nth of sequence P :

T_{n} = 4n -2

r^{th} term : 4r-2=145-3r\\4r+3r=145+2\\7r=147\\r=21

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