Can someone help me with these

Mathematics

1 answer:

bazaltina [42]3 years ago

7 0

Answer:

2 - 3 x (N)= N + 10 (n=6)

Step-by-step explanation:

These equations are the same basically. 3 times a number -2 is the equivalent of a number + 10. If the number was 6 then it would work like this. 3 times 6 is 18, then subtracted by 2 is 16, which is equal to 6+10 (16). Hope you understand!

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DochEvi [55]

Answer: $\bold{a_1=\dfrac{1}{2}\qquad a_n=\bigg(\dfrac{4}{3}\bigg)a_{n-1}}$

Step-by-step explanation:

The explicit rule for a geometric sequence is: $a_n=a_1(r)^{n-1}\quad \text{where}\ a_1\ \text{is the first term and r is the common ratio}$

$\text{From the explicit rule provided:}\ a_n=\dfrac{1}{2}\bigg(\dfrac{4}{3}\bigg)^{n-1}}\\ \text{we know that}\ a_1=\dfrac{1}{2}\ \text{and r =} \dfrac{4}{3}$