3 years ago

HELP ME ASAP PLEASE?!?If the pattern below follows the rule "Starting with 10, every consecutive line

1 answer:

Vlad [161]3 years ago

8 0

5 marbles would be in the sixth line

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statuscvo [17]

25% of something is 5000000, so total is 4*5000000 = 20 million

7 0

3 years ago

jeyben [28]

add the 2 numbers:

89 + 42 = 131 feet below the surface,

which can also be written as -131 feet

8 0

3 years ago

faltersainse [42]

for every 5 is 3, so 25*3= equals 75,

5 0

2 years ago

Juli2301 [7.4K]

Answer:

Step-by-step explanation:

3 0

2 years ago

kkurt [141]

Looks like the starting series is

$\displaystyle\sum_{n=0}^\infty\left((-1)^n+1\right)(n+1)x^n$

Note the degree of the first few terms in the series, for $n=0,1,2$ , are $x^0,x^1,x^2$ , and so on.

So if the series were to start at $n=1$ , we would need to preserve that pattern, and we do that by replacing $n$ with $n-1$ :

$\displaystyle\sum_{n=1}^\infty\left((-1)^{n-1}+1\right)(n-1+1)x^{n-1}$

Simplifying a bit, we end up with

$\displaystyle\sum_{n=1}^\infty\left(1-(-1)^n\right)nx^{n-1}$

7 0

3 years ago