3 years ago

What is the nth term of 4 9 16 25 36?

Mathematics

1 answer:

Neporo4naja [7]3 years ago

3 0

T(n)=(n+1)^2 where t(n) is the value of the nth term and n is the term number.

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What are the first 5 terms of the sequence where a=1 a, a2=2 and an=1/2(a n-1•a n-2)

Sliva [168]

Answer:

$\large\boxed{a.\ 1,\ 2,\ 1,\ 1,\ \dfrac{1}{2}}$

Step-by-step explanation:

We have the recursive formula of a sequence:

$\left\{\begin{array}{ccc}a_1=1\\a_2=2\\a_n=\dfrac{1}{2}(a_{n-1}\cdot a_{n-2})\end{array}\right\\\\\text{thereofre}\\\\a_3=\dfrac{1}{2}(a_2\cdot a_1)=\dfrac{1}{2}(2\cdot1)=\dfrac{1}{2}(2)=1\\\\a_4=\dfrac{1}{2}(a_3\cdot a_2)=\dfrac{1}{2}(1\cdot2)=\dfrac{1}{2}(2)=1\\\\a_5=\dfrac{1}{2}(a_4\cdot a_3)=\dfrac{1}{2}(1\cdot1)=\dfrac{1}{2}(1)=\dfrac{1}{2}$

7 0

3 years ago

is -3 or 2 a higher slope? ( please help fast will give brainliest and thanks!!!!! 100 points help pleaseeeeee!!!!)

Tomtit [17]

Answer:

ANSWER IS -3

Step-by-step explanation:

HOPE THIS HELPS

4 0

3 years ago

Read 2 more answers

Dave delivered 52 newspapers in all. saturday & sunday. he delivered 8 more newspapers on sunday than on saturday. how many

mihalych1998 [28]

Sat + Sun = 52
Sun = Sat + 8

Sat + Sat + 8 = 52
2Sat + 8 = 52
2Sat + 8-8 = 52-8
2Sat = 44
2Sat/2 = 44/2
Sat = 22

Sun = 22 + 8
Sun = 30

Check
Sat + Sun = 52
22 + 30 = 52
52 = 52

6 0

2 years ago

A recipe for a chocolate banana milkshake calls for 2

faltersainse [42]

Answer: 12 scoops

Step-by-step explanation:

Because 2 bananas =3

4=6

6=9

And 8

Would equal 12

4 0

3 years ago

Sum of money is placed at simple interest for 3 years at 10% per annum and then the amount is invested for 2 years at the same r

JulsSmile [24]

Answer:

sum was 300000

Step-by-step explanation:

let sum of money is placed is x rs

Term T = 3 years, rate R = 10%

Then simple interest for for 3 years is

$SI= \frac{PTR}{100}\\ SI=\frac{x\times 3\times 10}{100} \\SI = 0.3x$

Sum of x will become x+0.3x = 1.3x after 3 years. now this 1.3x is kept for compound interest for two years. ie

$A =P[1+R]^t\\471900=1.3x[1+\frac{10}{100} ]^2\\x=\frac{471900}{1.573} \\x=300000$

Sum was 300000

3 0

3 years ago